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1. Isolation of flow and nonflow correlations by two- and four-particle cumulant measurements of azimuthal harmonics in sNN=200 GeV Au+Au collisions

Author: N.M. Abdelwahab, L. Adamczyk, J.K. Adkins, G. Agakishiev, M.M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, C.D. Anson, A. Aparin, D. Arkhipkin, E.C. Aschenauer, G.S. Averichev, A. Banerjee, D.R. Beavis, R. Bellwied, A. Bhasin, A.K. Bhati, P. Bhattarai, J. Bielcik, J. Bielcikova, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, A.V. Brandin, S.G. Brovko, S. Bültmann, I. Bunzarov, T.P. Burton, J. Butterworth, H. Caines, M. Calderón de la Barca Sánchez, J.M. Campbell, D. Cebra, R. Cendejas, M.C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H.F. Chen, J.H. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, M.J.M. Codrington, G. Contin, J.G. Cramer, H.J. Crawford, X. Cui, S. Das, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, J. Deng, A.A. Derevschikov, R. Derradi de Souza, B. di Ruzza, L. Didenko, C. Dilks, F. Ding, P. Djawotho, X. Dong, J.L. Drachenberg, J.E. Draper, C.M. Du, L.E. Dunkelberger, J.C. Dunlop, L.G. Efimov, J. Engelage, K.S. Engle, G. Eppley, L. Eun, O. Evdokimov, O. Eyser, R. Fatemi, S. Fazio, J. Fedorisin, P. Filip, Y. Fisyak, C.E. Flores, C.A. Gagliardi, D.R. Gangadharan, D. Garand, F. Geurts, A. Gibson, M. Girard, S. Gliske, L. Greiner, D. Grosnick, D.S. Gunarathne, Y. Guo, A. Gupta, S. Gupta, W. Guryn, B. Haag, A. Hamed, L-X. Han, R. Haque, J.W. Harris, S. Heppelmann, A. Hirsch, G.W. Hoffmann, D.J. Hofman, S. Horvat, B. Huang, H.Z. Huang, X. Huang, P. Huck, T.J. Humanic, G. Igo, W.W. Jacobs, H. Jang, E.G. Judd, S. Kabana, D. Kalinkin, K. Kang, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, A. Kesich, Z.H. Khan, D.P. Kikola, I. Kisel, A. Kisiel, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L.K. Kosarzewski, L. Kotchenda, A.F. Kraishan, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, R.A. Kycia, M.A.C. Lamont, J.M. Landgraf, K.D. Landry, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, C. Li, W. Li, X. Li, Y. Li, Z.M. Li, M.A. Lisa, F. Liu, T. Ljubicic, W.J. Llope, M. Lomnitz, R.S. Longacre, X. Luo, G.L. Ma, Y.G. Ma, D.P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H.S. Matis, D. McDonald, T.S. McShane, N.G. Minaev, S. Mioduszewski, B. Mohanty, M.M. Mondal, D.A. Morozov, M.K. Mustafa, B.K. Nandi, Md. Nasim, T.K. Nayak, J.M. Nelson, G. Nigmatkulov, L.V. Nogach, S.Y. Noh, J. Novak, S.B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, D.L. Olvitt, Jr., B.S. Page, Y.X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, P. Pile, M. Planinic, J. Pluta, N. Poljak, K. Poniatowska, J. Porter, A.M. Poskanzer, N.K. Pruthi, M. Przybycien, J. Putschke, H. Qiu, A. Quintero, S. Ramachandran, R. Raniwala, S. Raniwala, R.L. Ray, C.K. Riley, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, J.F. Ross, A. Roy, L. Ruan, J. Rusnak, O. Rusnakova, N.R. Sahoo, P.K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, W.B. Schmidke, N. Schmitz, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, P.V. Shanmuganathan, M. Shao, B. Sharma, W.Q. Shen, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, M. Simko, M.J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, M. Sumbera, X. Sun, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, M.A. Szelezniak, J. Takahashi, A.H. Tang, Z. Tang, T. Tarnowsky, J.H. Thomas, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, B.A. Trzeciak, O.D. Tsai, J. Turnau, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, M. Vandenbroucke, J.A. Vanfossen, Jr., R. Varma, G.M.S. Vasconcelos, A.N. Vasiliev, R. Vertesi, F. Videbæk, Y.P. Viyogi, S. Vokal, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J.S. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, H. Wieman, S.W. Wissink, Y.F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, J. Xu, N. Xu, Q.H. Xu, Y. Xu, Z. Xu, W. Yan, C. Yang, Y. Yang, Z. Ye, P. Yepes, L. Yi, K. Yip, I-K. Yoo, N. Yu, H. Zbroszczyk, W. Zha, J.B. Zhang, J.L. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y.H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, QC1-999
Abstract: A data-driven method was applied to Au+Au collisions at sNN=200 GeV made with the STAR detector at RHIC to isolate pseudorapidity distance Δη-dependent and Δη-independent correlations by using two- and four-particle azimuthal cumulant measurements. We identified a Δη-independent component of the correlation, which is dominated by anisotropic flow and flow fluctuations. It was also found to be independent of η within the measured range of pseudorapidity |η|0.7. Keywords: Heavy-ion, Flow, Nonflow
Published: 2015
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2. Corrigendum to 'Suppression of ϒ production in d+Au and Au+Au collisions at sNN=200 GeV' [Phys. Lett. B 735 (2014) 127–137]

Author: L. Adamczyk, J.K. Adkins, G. Agakishiev, M.M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, C.D. Anson, A. Aparin, D. Arkhipkin, E.C. Aschenauer, G.S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D.R. Beavis, R. Bellwied, A. Bhasin, A.K. Bhati, P. Bhattarai, H. Bichsel, J. Bielcik, J. Bielcikova, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, A.V. Brandin, S.G. Brovko, S. Bültmann, I. Bunzarov, T.P. Burton, J. Butterworth, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M.C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H.F. Chen, J.H. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. Chwastowski, M.J.M. Codrington, R. Corliss, J.G. Cramer, H.J. Crawford, X. Cui, S. Das, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, J. Deng, A.A. Derevschikov, R. Derradi de Souza, S. Dhamija, B. di Ruzza, L. Didenko, C. Dilks, F. Ding, P. Djawotho, X. Dong, J.L. Drachenberg, J.E. Draper, C.M. Du, L.E. Dunkelberger, J.C. Dunlop, L.G. Efimov, J. Engelage, K.S. Engle, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, P. Filip, E. Finch, Y. Fisyak, C.E. Flores, C.A. Gagliardi, D.R. Gangadharan, D. Garand, F. Geurts, A. Gibson, M. Girard, S. Gliske, D. Grosnick, Y. Guo, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, R. Haque, J.W. Harris, J.P. Hays-Wehle, S. Heppelmann, K. Hill, A. Hirsch, G.W. Hoffmann, D.J. Hofman, S. Horvat, B. Huang, H.Z. Huang, P. Huck, T.J. Humanic, G. Igo, W.W. Jacobs, H. Jang, E.G. Judd, S. Kabana, D. Kalinkin, K. Kang, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, A. Kesich, Z.H. Khan, D.P. Kikola, I. Kisel, A. Kisiel, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, R.A. Kycia, M.A.C. Lamont, J.M. Landgraf, K.D. Landry, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, W. Leight, M.J. LeVine, C. Li, W. Li, X. Li, Y. Li, Z.M. Li, L.M. Lima, M.A. Lisa, F. Liu, T. Ljubicic, W.J. Llope, R.S. Longacre, X. Luo, G.L. Ma, Y.G. Ma, D.M.M.D. Madagodagettige Don, D.P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H.S. Matis, D. McDonald, T.S. McShane, N.G. Minaev, S. Mioduszewski, B. Mohanty, M.M. Mondal, D.A. Morozov, M.G. Munhoz, M.K. Mustafa, B.K. Nandi, Md. Nasim, T.K. Nayak, J.M. Nelson, L.V. Nogach, S.Y. Noh, J. Novak, S.B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, R.A.N. Oliveira, M. Pachr, B.S. Page, S.K. Pal, Y.X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, A. Peterson, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A.M. Poskanzer, N.K. Pruthi, M. Przybycien, P.R. Pujahari, H. Qiu, A. Quintero, S. Ramachandran, R. Raniwala, S. Raniwala, R.L. Ray, C.K. Riley, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, J.F. Ross, A. Roy, L. Ruan, J. Rusnak, N.R. Sahoo, P.K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, W.B. Schmidke, N. Schmitz, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, P.V. Shanmuganathan, M. Shao, B. Sharma, W.Q. Shen, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, R.N. Singaraju, M.J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U.G. deSouza, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A.A.P. Suaide, M. Sumbera, X. Sun, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, A. Szanto de Toledo, J. Takahashi, A.H. Tang, Z. Tang, T. Tarnowsky, J.H. Thomas, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, B.A. Trzeciak, O.D. Tsai, J. Turnau, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J.A. Vanfossen, Jr., R. Varma, G.M.S. Vasconcelos, A.N. Vasiliev, R. Vertesi, F. Videbæk, Y.P. Viyogi, S. Vokal, A. Vossen, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J.S. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, H. Wieman, G. Wimsatt, S.W. Wissink, R. Witt, Y.F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q.H. Xu, Y. Xu, Z. Xu, W. Yan, C. Yang, Y. Yang, Z. Ye, P. Yepes, L. Yi, K. Yip, I.-K. Yoo, Y. Zawisza, H. Zbroszczyk, W. Zha, J.B. Zhang, J.L. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y.H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, QC1-999
Published: 2015
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3. J/ψ polarization in p+p collisions at s=200 GeV in STAR

Author: L. Adamczyk, J.K. Adkins, G. Agakishiev, M.M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, C.D. Anson, A. Aparin, D. Arkhipkin, E.C. Aschenauer, G.S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D.R. Beavis, R. Bellwied, A. Bhasin, A.K. Bhati, P. Bhattarai, H. Bichsel, J. Bielcik, J. Bielcikova, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, A.V. Brandin, S.G. Brovko, S. Bültmann, I. Bunzarov, T.P. Burton, J. Butterworth, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M.C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H.F. Chen, J.H. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. Chwastowski, M.J.M. Codrington, R. Corliss, J.G. Cramer, H.J. Crawford, X. Cui, S. Das, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, J. Deng, A.A. Derevschikov, R. Derradi de Souza, S. Dhamija, B. di Ruzza, L. Didenko, C. Dilks, F. Ding, P. Djawotho, X. Dong, J.L. Drachenberg, J.E. Draper, C.M. Du, L.E. Dunkelberger, J.C. Dunlop, L.G. Efimov, J. Engelage, K.S. Engle, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, P. Filip, E. Finch, Y. Fisyak, C.E. Flores, C.A. Gagliardi, D.R. Gangadharan, D. Garand, F. Geurts, A. Gibson, M. Girard, S. Gliske, D. Grosnick, Y. Guo, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, R. Haque, J.W. Harris, J.P. Hays-Wehle, S. Heppelmann, A. Hirsch, G.W. Hoffmann, D.J. Hofman, S. Horvat, B. Huang, H.Z. Huang, X. Huang, P. Huck, T.J. Humanic, G. Igo, W.W. Jacobs, H. Jang, E.G. Judd, S. Kabana, D. Kalinkin, K. Kang, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, A. Kesich, Z.H. Khan, D.P. Kikola, I. Kisel, A. Kisiel, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, R.A. Kycia, M.A.C. Lamont, J.M. Landgraf, K.D. Landry, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, W. Leight, M.J. LeVine, C. Li, W. Li, X. Li, Y. Li, Z.M. Li, L.M. Lima, M.A. Lisa, F. Liu, T. Ljubicic, W.J. Llope, R.S. Longacre, X. Luo, G.L. Ma, Y.G. Ma, D.M.M.D. Madagodagettige Don, D.P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H.S. Matis, D. McDonald, T.S. McShane, N.G. Minaev, S. Mioduszewski, B. Mohanty, M.M. Mondal, D.A. Morozov, M.G. Munhoz, M.K. Mustafa, B.K. Nandi, Md. Nasim, T.K. Nayak, J.M. Nelson, L.V. Nogach, S.Y. Noh, J. Novak, S.B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, R.A.N. Oliveira, M. Pachr, B.S. Page, S.K. Pal, Y.X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A.M. Poskanzer, N.K. Pruthi, M. Przybycien, P.R. Pujahari, H. Qiu, A. Quintero, S. Ramachandran, R. Raniwala, S. Raniwala, R.L. Ray, C.K. Riley, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, J.F. Ross, A. Roy, L. Ruan, J. Rusnak, N.R. Sahoo, P.K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, W.B. Schmidke, N. Schmitz, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, P.V. Shanmuganathan, M. Shao, B. Sharma, W.Q. Shen, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, R.N. Singaraju, M.J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U.G. deSouza, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A.A.P. Suaide, M. Sumbera, X. Sun, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, A. Szanto de Toledo, J. Takahashi, A.H. Tang, Z. Tang, T. Tarnowsky, J.H. Thomas, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, B.A. Trzeciak, O.D. Tsai, J. Turnau, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J.A. Vanfossen, Jr., R. Varma, G.M.S. Vasconcelos, A.N. Vasiliev, R. Vertesi, F. Videbæk, Y.P. Viyogi, S. Vokal, A. Vossen, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J.S. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, H. Wieman, S.W. Wissink, R. Witt, Y.F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q.H. Xu, Y. Xu, Z. Xu, W. Yan, C. Yang, Y. Yang, Z. Ye, P. Yepes, L. Yi, K. Yip, I.-K. Yoo, Y. Zawisza, H. Zbroszczyk, W. Zha, J.B. Zhang, J.L. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y.H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, QC1-999
Abstract: We report on a polarization measurement of inclusive J/ψ mesons in the di-electron decay channel at mid-rapidity at 2
Published: 2014
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4. Measurements of dihadron correlations relative to the event plane in Au+Au collisions at GeV *

Author: H. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, G. S. Averichev, J. Balewski, D. R. Beavis, N. K. Behera, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, B. Biritz, L. C. Bland, W. Borowski, J. Bouchet, E. Braidot, A. V. Brandin, A. Bridgeman, S. G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, Z. Chajecki, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, K. E. Choi, W. Christie, P. Chung, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, S. Dash, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, A. A. Derevschikov, R. Derradi de Souza, L. Didenko, P. Djawotho, S. M. Dogra, X. Dong, J. L. Drachenberg, J. E. Draper, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, M. Estienne, L. Eun, O. Evdokimov, R. Fatemi, J. Fedorisin, A. Feng, R. G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, A. Geromitsos, F. Geurts, P. Ghosh, Y. N. Gorbunov, A. Gordon, O. Grebenyuk, D. Grosnick, S. M. Guertin, A. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, M. Heinz, S. Heppelmann, A. Hirsch, E. Hjort, G. W. Hoffmann, D. J. Hofman, B. Huang, H. Z. Huang, T. J. Humanic, L. Huo, G. Igo, P. Jacobs, W. W. Jacobs, C. Jena, F. Jin, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. Ke, D. Keane, A. Kechechyan, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, A. G. Knospe, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, V. Kouchpil, P. Kravtsov, K. Krueger, M. Krus, L. Kumar, P. Kurnadi, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, N. Li, W. Li, X. Li, Y. Li, Z. M. Li, M. A. Lisa, F. Liu, H. Liu, J. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, W. A. Love, Y. Lu, E. V. Lukashov, X. Luo, G. L. Ma, Y. G. Ma, D. P. Mahapatra, R. Majka, O. I. Mall, L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert, H. Masui, H. S. Matis, Yu. A. Matulenko, D. McDonald, T. S. McShane, A. Meschanin, R. Milner, N. G. Minaev, S. Mioduszewski, A. Mischke, M. K. Mitrovski, B. Mohanty, M. M. Mondal, B. Morozov, D. A. Morozov, M. G. Munhoz, M. Naglis, B. K. Nandi, T. K. Nayak, P. K. Netrakanti, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, null Oh, null Ohlson, V. Okorokov, E. W. Oldag, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, H. Pei, T. Peitzmann, C. Perkins, W. Peryt, S. C. Phatak, P. Pile, M. Planinic, M. A. Ploskon, J. Pluta, D. Plyku, N. Poljak, A. M. Poskanzer, B. V. K. S. Potukuchi, C. B. Powell, D. Prindle, N. K. Pruthi, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Rose, L. Ruan, J. Rusnak, N. R. Sahoo, S. Sakai, I. Sakrejda, T. Sakuma, S. Salur, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, I. Selyuzhenkov, P. Seyboth, E. Shahaliev, M. Shao, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, F. Simon, R. N. Singaraju, M. J. Skoby, N. Smirnov, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, D. Staszak, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, N. L. Subba, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, V. N. Tram, S. Trentalange, R. E. Tribble, null Tribedy, O. D. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, Jr., R. Varma, G. M. S. Vasconcelos, A. N. Vasiliev, F. Videbæk, Y. P. Viyogi, S. Vokal, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten Jr., H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, null Xiao, W. Xie, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, W. Zhan, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, J. Zhao, C. Zhong, W. Zhou, X. Zhu, Y. H. Zhu, R. Zoulkarneev, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Star (game theory), Elliptic flow, Zero (complex analysis), Astronomy and Astrophysics, Parton, Correlation function (quantum field theory), Nuclear matter, 01 natural sciences, 0103 physical sciences, 010306 general physics, Jet quenching, Centrality, Instrumentation
Abstract: Dihadron azimuthal correlations containing a high transverse momentum ( ) trigger particle are sensitive to the properties of the nuclear medium created at RHIC through the strong interactions occurring between the traversing parton and the medium, i.e. jet-quenching. Previous measurements revealed a strong modification to dihadron azimuthal correlations in Au+Au collisions with respect to p+p and d+Au collisions. The modification increases with the collision centrality, suggesting a path-length or energy density dependence to the jet-quenching effect. This paper reports STAR measurements of dihadron azimuthal correlations in mid-central (20%-60%) Au+Au collisions at GeV as a function of the trigger particle's azimuthal angle relative to the event plane, . The azimuthal correlation is studied as a function of both the trigger and associated particle . The subtractions of the combinatorial background and anisotropic flow, assuming Zero Yield At Minimum (ZYAM), are described. The correlation results are first discussed with subtraction of the even harmonic (elliptic and quadrangular) flow backgrounds. The away-side correlation is strongly modified, and the modification varies with , with a double-peak structure for out-of-plane trigger particles. The near-side ridge (long range pseudo-rapidity correlation) appears to drop with increasing while the jet-like component remains approximately constant. The correlation functions are further studied with the subtraction of odd harmonic triangular flow background arising from fluctuations. It is found that the triangular flow, while responsible for the majority of the amplitudes, is not sufficient to explain the -dependence of the ridge or the away-side double-peak structure. The dropping ridge with could be attributed to a -dependent elliptic anisotropy; however, the physics mechanism of the ridge remains an open question. Even with a -dependent elliptic flow, the away-side correlation structure is robust. These results, with extensive systematic studies of the dihadron correlations as a function of , trigger and associated particle , and the pseudo-rapidity range , should provide stringent inputs to help understand the underlying physics mechanisms of jet-medium interactions in high energy nuclear collisions.
Published: 2021

5. Erratum: Observation of D0 Meson Nuclear Modifications in Au+Au Collisions at sNN=200 GeV [Phys. Rev. Lett. 113 , 142301 (2014)]

Author: Zebo Tang, Janusz Chwastowski, Leo Clifford Greiner, C. Perkins, F. Ding, P. Djawotho, F. Videbæk, G. Webb, Wenbin Yan, Y. Panebratsev, D. Grosnick, Rihan Haque, Zhigang Xiao, H. Z. Huang, S. Vokal, Sukalyan Chattopadhyay, N. G. Minaev, Z. Z. Xu, Madan M. Aggarwal, Fuqiang Wang, Jaroslav Bielcik, Jie Zhang, A. Vossen, Nikita Smirnov, O. D. Tsai, Y. Zawisza, M. J. Skoby, Frank Jm Geurts, K. Yip, J. S. Wang, N. Xu, P. Filip, H. W. Ke, O. V. Rogachevskiy, H. J. Jang, T. Kollegger, F. Liu, D. D. Koetke, M. C. Cervantes, J. H. Chen, Li-Zhu Chen, W. Q. Shen, Vitaly Okorokov, Bernd Surrow, P. Pile, G. D. Westfall, B. Pawlik, R. R. Debbe, D. A. Morozov, Nasim, S. Das, B. Huang, A. Gupta, D. Solanki, Mariusz Przybycien, L. Kotchenda, W. B. Schmidke, C. A. Gagliardi, M. Pachr, D. Garand, Y. Wang, Y. F. Xu, S. Dhamija, M. Lomnitz, Sevil Salur, Basanta Kumar Nandi, M. Tokarev, D. Tlusty, D. Kalinkin, S. Zhang, S. G. Brovko, R. D. Majka, S. Heppelmann, J. Rusnak, N. K. Pruthi, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, A. F. Kraishan, D. N. Svirida, Niladribihari Sahoo, T. D. S. Stanislaus, L. Ruan, A. M. Poskanzer, Maxence Vandenbroucke, M. K. Mustafa, S. K. Gupta, Giacomo Contin, J. L. Drachenberg, W. Borowski, J. Schambach, Anju Bhasin, Z. H. Khan, Guo-Liang Ma, S. Ramachandran, G. Eppley, Y. Li, H. H. Wieman, Li Yi, A. Chikanian, C. Yang, I. Sakrejda, O. Eyser, J. Pluta, M. Zyzak, Stephen V. Gliske, A. K. Bhati, D. Keane, Y. F. Wu, K. Kang, Aditi Banerjee, R. Stock, W. Li, A. Lebedev, L. G. Efimov, T. J. Humanic, J. Putschke, E. Sangaline, D. Arkhipkin, Xiaofeng Zhu, D. P. Mahapatra, T. K. Nayak, Z. P. Zhang, A. Hamed, A. S. Hirsch, J. Engelage, Rene Bellwied, H. G. Ritter, G. Nigmatkulov, P. Kravtsov, A. M. Schmah, Y. H. Zhu, R. E. Tribble, Dmitry Smirnov, Z. Ye, T. P. Burton, Jize Zhao, Y. Yang, Gerald W Hoffmann, X. Huang, A. Kechechyan, J. M. Landgraf, D. J. Hofman, Xiangyuan Cui, W. Christie, Nilay Shah, Pradip Kumar Sahu, R. Cendejas, A. V. Brandin, A. Ogawa, P. Chaloupka, Andrey Vasiliev, M. Strikhanov, K. Xin, J. Takahashi, S. Trentalange, X.G. Li, H. F. Chen, P. Huck, M. A. C. Lamont, S. B. Nurushev, J. Konzer, P. Sorensen, Janet Elizabeth Seger, D. L. Olvitt, A. Kesich, G. Odyniec, J. Sandweiss, J. Turnau, M. Shao, Y. X. Pan, G. Van Buren, S. Fazio, I. G. Bordyuzhin, S. S. Shi, Mirko Planinic, Jana Bielcikova, Anthony Robert Timmins, Adam Ryszard Kisiel, Prabhat Ranjan Pujahari, J. L. Romero, J. M. Nelson, H. J. Crawford, J. K. Adkins, Y. G. Ma, W. Peryt, E. Finch, C-Q. Li, R. P. Scharenberg, Christina Markert, R. Fatemi, O. Rusnakova, H. S. Matis, W. W. Jacobs, J. Lauret, J. A. Vanfossen, R. Lednicky, Haiyan Wang, J. F. Ross, X. M. Sun, Wei Xie, T. G. Dedovich, M. Cherney, Xiangming Sun, A. Aparin, G. M.S. Vasconcelos, Y. Pandit, K. S. Engle, Lokesh Kumar, Hua Pei, N. Schmitz, E. Shahaliev, Amal Sarkar, I. Koralt, N. Yu, L. V. Nogach, J. H. Thomas, G. S. Averichev, Jian Deng, J. Porter, Ivan Kisel, G. Agakishiev, D. S. Gunarathne, E. P. Sichtermann, A. Roy, Z. Chang, D. Cebra, Rashmi Raniwala, H. M. Spinka, T. Ullrich, Radoslaw Antoni Kycia, C. M. Du, H. S. Xu, L. Eun, I. G. Alekseev, Y. Guo, Jongmin Lee, R. L. Ray, M. A. Lisa, T. Ljubicic, C. D. Anson, R. Witt, H. Caines, Sudhir Raniwala, A. Quintero, S. Mioduszewski, Bedangadas Mohanty, Zhiming Li, H. Bichsel, A. Gibson, Y. Zoulkarneeva, C. Zhong, X. L. Wang, Donald M. McDonald, E. C. Aschenauer, S. Margetis, Prithwish Tribedy, B. K. Srivastava, Alice Elisabeth Ohlson, X. Dong, S. K. Pal, Justin Stevens, J. M. Butterworth, M. Calderon De La Barca Sanchez, M. Wada, J. C. Webb, Robert Vertesi, Olga Evdokimov, Barbara Antonina Trzeciak, H. Masui, L. Didenko, I. K. Yoo, Hao Qiu, P. V. Shanmuganathan, T. Tarnowsky, L. E. Dunkelberger, M. M. Mondal, C. E. Flores, E. G. Judd, Jay Roberts, A. A. Derevschikov, Michal Sumbera, S. Bültmann, S. W. Wissink, Y. Zhang, Nikola Poljak, J. E. Draper, G. Wang, Z. J. Sun, K. Krueger, C. K. Riley, G. J. van Nieuwenhuizen, M. A. Szelezniak, L. C. Bland, J. Alford, W. Guryn, Y. Fisyak, K. Oh, J. Fedorisin, P. Seyboth, J. C. Dunlop, Leszek Adamczyk, R. Derradi de Souza, Q. H. Xu, J. W. Harris, J. Xu, I. Kulakov, M. J. M. Codrington, B. Di Ruzza, Zubayer Ahammed, S. Horvat, R. N. Singaraju, T. Pawlak, W. Zha, M. J. LeVine, D. G. Underwood, J. Cheng, T. J. M. Symons, L. C. De Silva, P. Yepes, R. S. Longacre, A. Davila Leyva, Xuan Zhang, Q. Y. Shou, X. G. Luo, A. H. Tang, G. Igo, J. Novak, B. Sharma, J. Bouchet, K. D. Landry, K. Kauder, I. Bunzarov, Hanna Paulina Zbroszczyk, D. R. Beavis, F. Zhao, W. J. Llope, R. Varma, L-X. Han, S. Y. Noh, J. L. Zhang, B. S. Page, D. P. Kikola, B. Stringfellow, J. G. Cramer, M. R. Girard, E. W. Oldag, T. S. McShane, P. Bhattarai, Y. J. Sun, C. Dilks, S. Kabana, Y. P. Viyogi, and B. Haag
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, 0103 physical sciences, General Physics and Astronomy, Heavy ion, Charm (quantum number), 010306 general physics, 01 natural sciences
Published: 2018

6. Corrigendum to 'Suppression of ϒ production in d+ Au and Au + Au collisions at sNN=200 GeV' [Phys. Lett. B 735 (2014) 127–137]

Author: L. Adamczyk, J.K. Adkins, G. Agakishiev, M.M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, C.D. Anson, A. Aparin, D. Arkhipkin, E.C. Aschenauer, G.S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D.R. Beavis, R. Bellwied, A. Bhasin, A.K. Bhati, P. Bhattarai, H. Bichsel, J. Bielcik, J. Bielcikova, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, A.V. Brandin, S.G. Brovko, S. Bültmann, I. Bunzarov, T.P. Burton, J. Butterworth, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M.C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H.F. Chen, J.H. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. Chwastowski, M.J.M. Codrington, R. Corliss, J.G. Cramer, H.J. Crawford, X. Cui, S. Das, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, J. Deng, A.A. Derevschikov, R. Derradi de Souza, S. Dhamija, B. di Ruzza, L. Didenko, C. Dilks, F. Ding, P. Djawotho, X. Dong, J.L. Drachenberg, J.E. Draper, C.M. Du, L.E. Dunkelberger, J.C. Dunlop, L.G. Efimov, J. Engelage, K.S. Engle, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, P. Filip, E. Finch, Y. Fisyak, C.E. Flores, C.A. Gagliardi, D.R. Gangadharan, D. Garand, F. Geurts, A. Gibson, M. Girard, S. Gliske, D. Grosnick, Y. Guo, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, R. Haque, J.W. Harris, J.P. Hays-Wehle, S. Heppelmann, K. Hill, A. Hirsch, G.W. Hoffmann, D.J. Hofman, S. Horvat, B. Huang, H.Z. Huang, P. Huck, T.J. Humanic, G. Igo, W.W. Jacobs, H. Jang, E.G. Judd, S. Kabana, D. Kalinkin, K. Kang, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, A. Kesich, Z.H. Khan, D.P. Kikola, I. Kisel, A. Kisiel, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, R.A. Kycia, M.A.C. Lamont, J.M. Landgraf, K.D. Landry, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, W. Leight, M.J. LeVine, C. Li, W. Li, X. Li, Y. Li, Z.M. Li, L.M. Lima, M.A. Lisa, F. Liu, T. Ljubicic, W.J. Llope, R.S. Longacre, X. Luo, G.L. Ma, Y.G. Ma, D.M.M.D. Madagodagettige Don, D.P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H.S. Matis, D. McDonald, T.S. McShane, N.G. Minaev, S. Mioduszewski, B. Mohanty, M.M. Mondal, D.A. Morozov, M.G. Munhoz, M.K. Mustafa, B.K. Nandi, Md. Nasim, T.K. Nayak, J.M. Nelson, L.V. Nogach, S.Y. Noh, J. Novak, S.B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, R.A.N. Oliveira, M. Pachr, B.S. Page, S.K. Pal, Y.X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, A. Peterson, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A.M. Poskanzer, N.K. Pruthi, M. Przybycien, P.R. Pujahari, H. Qiu, A. Quintero, S. Ramachandran, R. Raniwala, S. Raniwala, R.L. Ray, C.K. Riley, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, J.F. Ross, A. Roy, L. Ruan, J. Rusnak, N.R. Sahoo, P.K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, W.B. Schmidke, N. Schmitz, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, P.V. Shanmuganathan, M. Shao, B. Sharma, W.Q. Shen, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, R.N. Singaraju, M.J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U.G. deSouza, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A.A.P. Suaide, M. Sumbera, X. Sun, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, A. Szanto de Toledo, J. Takahashi, A.H. Tang, Z. Tang, T. Tarnowsky, J.H. Thomas, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, B.A. Trzeciak, O.D. Tsai, J. Turnau, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J.A. Vanfossen, R. Varma, G.M.S. Vasconcelos, A.N. Vasiliev, R. Vertesi, F. Videbæk, Y.P. Viyogi, S. Vokal, A. Vossen, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J.S. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, H. Wieman, G. Wimsatt, S.W. Wissink, R. Witt, Y.F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q.H. Xu, Y. Xu, Z. Xu, W. Yan, C. Yang, Y. Yang, Z. Ye, P. Yepes, L. Yi, K. Yip, I.-K. Yoo, Y. Zawisza, H. Zbroszczyk, W. Zha, J.B. Zhang, J.L. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y.H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), Meson, Parton, Plasma, Nuclear matter, Nuclear physics, Yield (chemistry), High Energy Physics::Experiment, Rapidity, Atomic physics, Nuclear Experiment, STAR detector
Abstract: We report measurements of Υ meson production in p + p, d + Au, and Au+Au collisions using the STAR detector at RHIC. We compare the Υ yield to the measured cross section in p + p collisions in order to quantify any modifications of the yield in cold nuclear matter using d + Au data and in hot nuclear matter using Au+Au data separated into three centrality classes. Our p + p measurement is based on three times the statistics of our previous result. We obtain a nuclear modification factor for Upsilon (1S + 2S + 3S) in the rapidity range |y| < 1 in d + Au collisions of RdAu = 0.79 ± 0.24(stat.) ± 0.03(syst.) ± 0.10(p + p syst.). A comparison with models including shadowing and initial state parton energy loss indicates the presence of additional cold-nuclear matter suppression. Similarly, in the top 10% most-central Au + Au collisions, we measure a nuclear modification factor of R AA = 0.49 ±0.1(stat.) ±0.02(syst.) ±0.06(p + p syst.), which is a larger suppression factor than that seen in cold nuclear matter. Our results are consistent with complete suppression of excited-state Upsilon mesons in Au + Au collisions. Themore » additional suppression in Au + Au is consistent with the level expected in model calculations that include the presence of a hot, deconfined Quark–Gluon Plasma. However, understanding the suppression seen in d + Au is still needed before any definitive statements about the nature of the suppression in Au + Au can be made.« less
Published: 2015

7. Suppression of ϒ production in d+Au and Au+Au collisions at sNN=200 GeV

Author: L. Adamczyk, J.K. Adkins, G. Agakishiev, M.M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, C.D. Anson, A. Aparin, D. Arkhipkin, E.C. Aschenauer, G.S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D.R. Beavis, R. Bellwied, A. Bhasin, A.K. Bhati, P. Bhattarai, H. Bichsel, J. Bielcik, J. Bielcikova, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, A.V. Brandin, S.G. Brovko, S. Bültmann, I. Bunzarov, T.P. Burton, J. Butterworth, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M.C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H.F. Chen, J.H. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. Chwastowski, M.J.M. Codrington, R. Corliss, J.G. Cramer, H.J. Crawford, X. Cui, S. Das, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, J. Deng, A.A. Derevschikov, R. Derradi de Souza, S. Dhamija, B. di Ruzza, L. Didenko, C. Dilks, F. Ding, P. Djawotho, X. Dong, J.L. Drachenberg, J.E. Draper, C.M. Du, L.E. Dunkelberger, J.C. Dunlop, L.G. Efimov, J. Engelage, K.S. Engle, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, P. Filip, E. Finch, Y. Fisyak, C.E. Flores, C.A. Gagliardi, D.R. Gangadharan, D. Garand, F. Geurts, A. Gibson, M. Girard, S. Gliske, D. Grosnick, Y. Guo, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, R. Haque, J.W. Harris, J.P. Hays-Wehle, S. Heppelmann, K. Hill, A. Hirsch, G.W. Hoffmann, D.J. Hofman, S. Horvat, B. Huang, H.Z. Huang, P. Huck, T.J. Humanic, G. Igo, W.W. Jacobs, H. Jang, E.G. Judd, S. Kabana, D. Kalinkin, K. Kang, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, A. Kesich, Z.H. Khan, D.P. Kikola, I. Kisel, A. Kisiel, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, R.A. Kycia, M.A.C. Lamont, J.M. Landgraf, K.D. Landry, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, W. Leight, M.J. LeVine, C. Li, W. Li, X. Li, Y. Li, Z.M. Li, L.M. Lima, M.A. Lisa, F. Liu, T. Ljubicic, W.J. Llope, R.S. Longacre, X. Luo, G.L. Ma, Y.G. Ma, D.M.M.D. Madagodagettige Don, D.P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H.S. Matis, D. McDonald, T.S. McShane, N.G. Minaev, S. Mioduszewski, B. Mohanty, M.M. Mondal, D.A. Morozov, M.G. Munhoz, M.K. Mustafa, B.K. Nandi, Md. Nasim, T.K. Nayak, J.M. Nelson, L.V. Nogach, S.Y. Noh, J. Novak, S.B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, R.A.N. Oliveira, M. Pachr, B.S. Page, S.K. Pal, Y.X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, A. Peterson, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A.M. Poskanzer, N.K. Pruthi, M. Przybycien, P.R. Pujahari, H. Qiu, A. Quintero, S. Ramachandran, R. Raniwala, S. Raniwala, R.L. Ray, C.K. Riley, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, J.F. Ross, A. Roy, L. Ruan, J. Rusnak, N.R. Sahoo, P.K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, W.B. Schmidke, N. Schmitz, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, P.V. Shanmuganathan, M. Shao, B. Sharma, W.Q. Shen, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, R.N. Singaraju, M.J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U.G. deSouza, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A.A.P. Suaide, M. Sumbera, X. Sun, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, A. Szanto de Toledo, J. Takahashi, A.H. Tang, Z. Tang, T. Tarnowsky, J.H. Thomas, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, B.A. Trzeciak, O.D. Tsai, J. Turnau, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J.A. Vanfossen, R. Varma, G.M.S. Vasconcelos, A.N. Vasiliev, R. Vertesi, F. Videbæk, Y.P. Viyogi, S. Vokal, A. Vossen, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J.S. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, H. Wieman, G. Wimsatt, S.W. Wissink, R. Witt, Y.F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q.H. Xu, Y. Xu, Z. Xu, W. Yan, C. Yang, Y. Yang, Z. Ye, P. Yepes, L. Yi, K. Yip, I.-K. Yoo, Y. Zawisza, H. Zbroszczyk, W. Zha, J.B. Zhang, J.L. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y.H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, Nuclear and High Energy Physics, Meson, Upsilon meson, Parton, Nuclear matter, Nuclear physics, Deuterium, Quark–gluon plasma, High Energy Physics::Experiment, Rapidity, Atomic physics, Nuclear Experiment, STAR detector
Abstract: We report measurements of Upsilon meson production in p + p, d + Au, and Au + Au collisions using the STAR detector at RHIC. We compare the Upsilon yield to the measured cross section in p + p collisions in order to quantify any modifications of the yield in cold nuclear matter using d + Au data and in hot nuclear matter using Au + Au data separated into three centrality classes. Our p + p measurement is based on three times the statistics of our previous result. We obtain a nuclear modification factor for Upsilon (1S + 2S + 3S) in the rapidity range vertical bar y vertical bar < 1 in d + Au collisions of R-dAu = 0.79 +/- 0.24(stat.) +/- 0.03(syst.) +/- 0.10(p + p syst.). A comparison with models including shadowing and initial state parton energy loss indicates the presence of additional cold-nuclear matter suppression. Similarly, in the top 10% most-central Au + Au collisions, we measure a nuclear modification factor of R-AA = 0.49 +/- 0.1(stat.) +/- 0.02(syst.) +/- 0.06(p + p syst.), which is a larger suppression factor than that seen in cold nuclear matter. Our results are consistent with complete suppression of excited-state Upsilon mesons in Au + Au collisions. The additional suppression in Au + Au is consistent with the level expected in model calculations that include the presence of a hot, deconfined Quark-Gluon Plasma. However, understanding the suppression seen in d + Au is still needed before any definitive statements about the nature of the suppression in Au + Au can be made. (C) 2014 The Authors. Published by Elsevier B.V.
Published: 2014

8. The STAR Collaboration

Author: L. Adamczyk, G. Agakishiev, M.M. Aggarwal, Z. Ahammed, A.V. Alakhverdyants, I. Alekseev, J. Alford, B.D. Anderson, C.D. Anson, D. Arkhipkin, E. Aschenauer, G.S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D.R. Beavis, R. Bellwied, M.J. Betancourt, R.R. Betts, A. Bhasin, A.K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, A.V. Brandin, S.G. Brovko, E. Bruna, S. Bültmann, I. Bunzarov, T.P. Burton, J. Butterworth, X.Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M.C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H.F. Chen, J.H. Chen, J.Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M.J.M. Codrington, R. Corliss, J.G. Cramer, H.J. Crawford, X. Cui, S. Das, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J.L. Drachenberg, J.E. Draper, C.M. Du, L.E. Dunkelberger, J.C. Dunlop, L.G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R.G. Fersch, P. Filip, E. Finch, Y. Fisyak, C.A. Gagliardi, D.R. Gangadharan, F. Geurts, A. Gibson, S. Gliske, Y.N. Gorbunov, O.G. Grebenyuk, D. Grosnick, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J.W. Harris, J.P. Hays-Wehle, S. Heppelmann, A. Hirsch, G.W. Hoffmann, D.J. Hofman, S. Horvat, B. Huang, H.Z. Huang, P. Huck, T.J. Humanic, L. Huo, G. Igo, W.W. Jacobs, C. Jena, J. Joseph, E.G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, A. Kesich, D.P. Kikola, J. Kiryluk, I. Kisel, A. Kisiel, V. Kizka, S.R. Klein, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, M.A.C. Lamont, J.M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, W. Leight, M.J. LeVine, C. Li, L. Li, W. Li, X. Li, Y. Li, Z.M. Li, L.M. Lima, M.A. Lisa, F. Liu, T. Ljubicic, W.J. Llope, R.S. Longacre, Y. Lu, X. Luo, A. Luszczak, G.L. Ma, Y.G. Ma, D.M.M.D. Madagodagettige Don, D.P. Mahapatra, R. Majka, O.I. Mall, S. Margetis, C. Markert, H. Masui, H.S. Matis, D. McDonald, T.S. McShane, S. Mioduszewski, M.K. Mitrovski, Y. Mohammed, B. Mohanty, M.M. Mondal, B. Morozov, M.G. Munhoz, M.K. Mustafa, M. Naglis, B.K. Nandi, Md. Nasim, T.K. Nayak, J.M. Nelson, L.V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, R.A.N. Oliveira, D. Olson, P. Ostrowski, M. Pachr, B.S. Page, S.K. Pal, Y.X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A.M. Poskanzer, C.B. Powell, C. Pruneau, N.K. Pruthi, M. Przybycien, P.R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R.L. Ray, R. Redwine, R. Reed, C.K. Riley, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, J.F. Ross, L. Ruan, J. Rusnak, N.R. Sahoo, P.K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, B. Schmidke, N. Schmitz, T.R. Schuster, J. Seele, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, R.N. Singaraju, M.J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U.G. deSouza, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, S.G. Steadman, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A.A.P. Suaide, M.C. Suarez, M. Sumbera, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, A. Szanto de Toledo, J. Takahashi, A.H. Tang, Z. Tang, L.H. Tarini, T. Tarnowsky, D. Thein, J.H. Thomas, J. Tian, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, B.A. Trzeciak, O.D. Tsai, J. Turnau, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J.A. Vanfossen, R. Varma, G.M.S. Vasconcelos, F. Videbæk, Y.P. Viyogi, S. Vokal, S.A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J.S. Wang, Q. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, C. Whitten, H. Wieman, S.W. Wissink, R. Witt, W. Witzke, Y.F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q.H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, Y. Yi, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, J.B. Zhang, S. Zhang, W.M. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y.H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, Nuclear and High Energy Physics, Astronomy, Star (graph theory)
Published: 2013

9. J/ψ production at high transverse momenta in p+p and Au + Au collisions at sNN=200 GeV

Author: L. Adamczyk, G. Agakishiev, M.M. Aggarwal, Z. Ahammed, A.V. Alakhverdyants, I. Alekseev, J. Alford, C.D. Anson, D. Arkhipkin, E. Aschenauer, G.S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D.R. Beavis, R. Bellwied, M.J. Betancourt, R.R. Betts, A. Bhasin, A.K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, A.V. Brandin, S.G. Brovko, E. Bruna, S. Bültmann, I. Bunzarov, T.P. Burton, J. Butterworth, X.Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M.C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H.F. Chen, J.H. Chen, J.Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M.J.M. Codrington, R. Corliss, J.G. Cramer, H.J. Crawford, X. Cui, S. Das, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J.L. Drachenberg, J.E. Draper, C.M. Du, L.E. Dunkelberger, J.C. Dunlop, L.G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R.G. Fersch, P. Filip, E. Finch, Y. Fisyak, C.A. Gagliardi, D.R. Gangadharan, F. Geurts, A. Gibson, S. Gliske, Y.N. Gorbunov, O.G. Grebenyuk, D. Grosnick, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, J.W. Harris, J.P. Hays-Wehle, S. Heppelmann, A. Hirsch, G.W. Hoffmann, D.J. Hofman, S. Horvat, B. Huang, H.Z. Huang, P. Huck, T.J. Humanic, L. Huo, G. Igo, W.W. Jacobs, C. Jena, E.G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, A. Kesich, D.P. Kikola, J. Kiryluk, I. Kisel, A. Kisiel, V. Kizka, S.R. Klein, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, M.A.C. Lamont, J.M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, W. Leight, M.J. LeVine, C. Li, L. Li, W. Li, X. Li, Y. Li, Z.M. Li, L.M. Lima, M.A. Lisa, F. Liu, T. Ljubicic, W.J. Llope, R.S. Longacre, Y. Lu, X. Luo, A. Luszczak, G.L. Ma, Y.G. Ma, D.M.M.D. Madagodagettige Don, D.P. Mahapatra, R. Majka, O.I. Mall, S. Margetis, C. Markert, H. Masui, H.S. Matis, D. McDonald, T.S. McShane, S. Mioduszewski, M.K. Mitrovski, Y. Mohammed, B. Mohanty, M.M. Mondal, B. Morozov, M.G. Munhoz, M.K. Mustafa, M. Naglis, B.K. Nandi, Md. Nasim, T.K. Nayak, J.M. Nelson, L.V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, R.A.N. Oliveira, D. Olson, P. Ostrowski, M. Pachr, B.S. Page, S.K. Pal, Y.X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A.M. Poskanzer, C.B. Powell, C. Pruneau, N.K. Pruthi, M. Przybycien, P.R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R.L. Ray, R. Redwine, R. Reed, C.K. Riley, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, J.F. Ross, L. Ruan, J. Rusnak, N.R. Sahoo, P.K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, B. Schmidke, N. Schmitz, T.R. Schuster, J. Seele, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, R.N. Singaraju, M.J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U.G. deSouza, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, S.G. Steadman, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A.A.P. Suaide, M.C. Suarez, M. Sumbera, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, A. Szanto de Toledo, J. Takahashi, A.H. Tang, Z. Tang, L.H. Tarini, T. Tarnowsky, D. Thein, J.H. Thomas, J. Tian, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, B.A. Trzeciak, O.D. Tsai, J. Turnau, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J.A. Vanfossen, R. Varma, G.M.S. Vasconcelos, F. Videbæk, Y.P. Viyogi, S. Vokal, S.A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J.S. Wang, Q. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, C. Whitten, H. Wieman, S.W. Wissink, R. Witt, W. Witzke, Y.F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q.H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, Y. Yi, K. Yip, I.-K. Yoo, M. Zawisza, H. Zbroszczyk, J.B. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y.H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Transverse plane, Particle physics, Production (computer science), Nuclear Experiment, Quarkonium, Spectral line
Abstract: We report J / ψ spectra for transverse momenta p T > 5 GeV / c at mid-rapidity in p + p and Au + Au collisions at s NN = 200 GeV . The inclusive J / ψ spectrum and the extracted B-hadron feed-down are compared to models incorporating different production mechanisms. We observe significant suppression of the J / ψ yields for p T > 5 GeV / c in 0–30% central Au + Au collisions relative to the p + p yield scaled by the number of binary nucleon–nucleon collisions in Au + Au collisions. In 30–60% mid-central collisions, no such suppression is observed. The level of suppression is consistently less than that of high- p T π ± and low- p T J / ψ at RHIC and high- p T J / ψ at the LHC.
Published: 2013

10. Single spin asymmetry AN in polarized proton–proton elastic scattering at s=200 GeV

Author: L. Adamczyk, G. Agakishiev, M.M. Aggarwal, Z. Ahammed, A.V. Alakhverdyants, I. Alekseev, J. Alford, C.D. Anson, D. Arkhipkin, E. Aschenauer, G.S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D.R. Beavis, R. Bellwied, M.J. Betancourt, R.R. Betts, A. Bhasin, A.K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, A.V. Brandin, S.G. Brovko, E. Bruna, S. Bültmann, I. Bunzarov, T.P. Burton, J. Butterworth, X.Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M.C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H.F. Chen, J.H. Chen, J.Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M.J.M. Codrington, R. Corliss, J.G. Cramer, H.J. Crawford, X. Cui, S. Das, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J.L. Drachenberg, J.E. Draper, C.M. Du, L.E. Dunkelberger, J.C. Dunlop, L.G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R.G. Fersch, P. Filip, E. Finch, Y. Fisyak, C.A. Gagliardi, D.R. Gangadharan, F. Geurts, A. Gibson, S. Gliske, Y.N. Gorbunov, O.G. Grebenyuk, D. Grosnick, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, J.W. Harris, J.P. Hays-Wehle, S. Heppelmann, A. Hirsch, G.W. Hoffmann, D.J. Hofman, S. Horvat, B. Huang, H.Z. Huang, P. Huck, T.J. Humanic, L. Huo, G. Igo, W.W. Jacobs, C. Jena, E.G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, A. Kesich, D.P. Kikola, J. Kiryluk, I. Kisel, A. Kisiel, V. Kizka, S.R. Klein, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, M.A.C. Lamont, J.M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, W. Leight, M.J. LeVine, C. Li, L. Li, W. Li, X. Li, Y. Li, Z.M. Li, L.M. Lima, M.A. Lisa, F. Liu, T. Ljubicic, W.J. Llope, R.S. Longacre, Y. Lu, X. Luo, A. Luszczak, G.L. Ma, Y.G. Ma, D.M.M.D. Madagodagettige Don, D.P. Mahapatra, R. Majka, O.I. Mall, S. Margetis, C. Markert, H. Masui, H.S. Matis, D. McDonald, T.S. McShane, S. Mioduszewski, M.K. Mitrovski, Y. Mohammed, B. Mohanty, M.M. Mondal, B. Morozov, M.G. Munhoz, M.K. Mustafa, M. Naglis, B.K. Nandi, Md. Nasim, T.K. Nayak, J.M. Nelson, L.V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, R.A.N. Oliveira, D. Olson, P. Ostrowski, M. Pachr, B.S. Page, S.K. Pal, Y.X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A.M. Poskanzer, C.B. Powell, C. Pruneau, N.K. Pruthi, M. Przybycien, P.R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R.L. Ray, R. Redwine, R. Reed, C.K. Riley, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, J.F. Ross, L. Ruan, J. Rusnak, N.R. Sahoo, P.K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, B. Schmidke, N. Schmitz, T.R. Schuster, J. Seele, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, R.N. Singaraju, M.J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U.G. deSouza, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, S.G. Steadman, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A.A.P. Suaide, M.C. Suarez, M. Sumbera, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, A. Szanto de Toledo, J. Takahashi, A.H. Tang, Z. Tang, L.H. Tarini, T. Tarnowsky, D. Thein, J.H. Thomas, J. Tian, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, B.A. Trzeciak, O.D. Tsai, J. Turnau, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J.A. Vanfossen, R. Varma, G.M.S. Vasconcelos, F. Videbæk, Y.P. Viyogi, S. Vokal, S.A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J.S. Wang, Q. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, C. Whitten, H. Wieman, S.W. Wissink, R. Witt, W. Witzke, Y.F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q.H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, Y. Yi, K. Yip, I.-K. Yoo, M. Zawisza, H. Zbroszczyk, J.B. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y.H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, Elastic scattering, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Scattering, High Energy Physics::Phenomenology, Hadron, 01 natural sciences, Nuclear physics, Scattering amplitude, Pomeron, Amplitude, 0103 physical sciences, High Energy Physics::Experiment, Spin-flip, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: We report a high precision measurement of the transverse single spin asymmetry A(N) at the center of mass energy root s = 200 GeV in elastic proton-proton scattering by the STAR experiment at RHIC. The A(N) was measured in the four-momentum transfer squared t range 0.003
Published: 2013

11. Evolution of the differential transverse momentum correlation function with centrality in Au + Au collisions at sNN=200 GeV

Author: G. Agakishiev, M.M. Aggarwal, Z. Ahammed, A.V. Alakhverdyants, I. Alekseev, J. Alford, B.D. Anderson, C.D. Anson, D. Arkhipkin, G.S. Averichev, J. Balewski, D.R. Beavis, N.K. Behera, R. Bellwied, M.J. Betancourt, R.R. Betts, A. Bhasin, A.K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, B. Biritz, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, E. Braidot, A.V. Brandin, A. Bridgeman, S.G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T.P. Burton, X.Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M.C. Cervantes, Z. Chajecki, P. Chaloupka, S. Chattopadhyay, H.F. Chen, J.H. Chen, J.Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, K.E. Choi, W. Christie, P. Chung, M.J.M. Codrington, R. Corliss, J.G. Cramer, H.J. Crawford, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, A.A. Derevschikov, R. Derradi de Souza, L. Didenko, P. Djawotho, S.M. Dogra, X. Dong, J.L. Drachenberg, J.E. Draper, J.C. Dunlop, L.G. Efimov, M. Elnimr, J. Engelage, G. Eppley, M. Estienne, L. Eun, O. Evdokimov, R. Fatemi, J. Fedorisin, R.G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C.A. Gagliardi, D.R. Gangadharan, F. Geurts, P. Ghosh, Y.N. Gorbunov, A. Gordon, O.G. Grebenyuk, D. Grosnick, S.M. Guertin, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, J.W. Harris, J.P. Hays-Wehle, M. Heinz, S. Heppelmann, A. Hirsch, E. Hjort, G.W. Hoffmann, D.J. Hofman, B. Huang, H.Z. Huang, T.J. Humanic, L. Huo, G. Igo, P. Jacobs, W.W. Jacobs, C. Jena, F. Jin, J. Joseph, E.G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, D. Kettler, D.P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, A.G. Knospe, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, V. Kouchpil, P. Kravtsov, K. Krueger, M. Krus, L. Kumar, P. Kurnadi, M.A.C. Lamont, J.M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, W. Leight, M.J. LeVine, C. Li, L. Li, N. Li, W. Li, X. Li, Y. Li, Z.M. Li, L.M. Lima, M.A. Lisa, F. Liu, H. Liu, J. Liu, T. Ljubicic, W.J. Llope, R.S. Longacre, W.A. Love, Y. Lu, E.V. Lukashov, X. Luo, G.L. Ma, Y.G. Ma, D.P. Mahapatra, R. Majka, O.I. Mall, R. Manweiler, S. Margetis, C. Markert, H. Masui, H.S. Matis, Yu.A. Matulenko, D. McDonald, T.S. McShane, A. Meschanin, R. Milner, N.G. Minaev, S. Mioduszewski, M.K. Mitrovski, Y. Mohammed, B. Mohanty, M.M. Mondal, B. Morozov, D.A. Morozov, M.G. Munhoz, M.K. Mustafa, M. Naglis, B.K. Nandi, T.K. Nayak, P.K. Netrakanti, L.V. Nogach, S.B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, R.A.N. Oliveira, D. Olson, M. Pachr, B.S. Page, S.K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, H. Pei, T. Peitzmann, C. Perkins, W. Peryt, P. Pile, M. Planinic, M.A. Ploskon, J. Pluta, D. Plyku, N. Poljak, J. Porter, A.M. Poskanzer, B.V.K.S. Potukuchi, C.B. Powell, D. Prindle, C. Pruneau, N.K. Pruthi, P.R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. Redwine, R. Reed, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, L. Ruan, J. Rusnak, N.R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, N. Schmitz, T.R. Schuster, J. Seele, J. Seger, I. Selyuzhenkov, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, M. Sharma, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, F. Simon, R.N. Singaraju, M.J. Skoby, N. Smirnov, D. Solanki, P. Sorensen, U.G. Souza, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, D. Staszak, S.G. Steadman, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A.A.P. Suaide, M.C. Suarez, N.L. Subba, M. Sumbera, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, A. Szanto de Toledo, J. Takahashi, A.H. Tang, Z. Tang, L.H. Tarini, T. Tarnowsky, D. Thein, J.H. Thomas, J. Tian, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, O.D. Tsai, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J.A. Vanfossen, R. Varma, G.M.S. Vasconcelos, A.N. Vasiliev, F. Videbæk, Y.P. Viyogi, S. Vokal, S.A. Voloshin, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J.S. Wang, Q. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, C. Whitten, H. Wieman, S.W. Wissink, R. Witt, W. Witzke, Y.F. Wu, Z. Xiao, W. Xie, H. Xu, N. Xu, Q.H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, K. Yip, I.-K. Yoo, M. Zawisza, H. Zbroszczyk, W. Zhan, J.B. Zhang, S. Zhang, W.M. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, W. Zhou, X. Zhu, Y.H. Zhu, R. Zoulkarneev, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Shear viscosity, Observable, Collision, 01 natural sciences, Nuclear physics, Entropy density, 0103 physical sciences, Transverse momentum, Entropy (information theory), Atomic physics, Nuclear Experiment, 010306 general physics, Centrality
Abstract: We present first measurements of the evolution of the differential transverse momentum correlation function, C, with collision centrality in Au + Au interactions at root s(NN) = 200 GeV. This observable exhibits a strong dependence on collision centrality that is qualitatively similar to that of number correlations previously reported. We use the observed longitudinal broadening of the near-side peak of C with increasing centrality to estimate the ratio of the shear viscosity to entropy density, eta/s, of the matter formed in central Au + Au interactions. We obtain an upper limit estimate of eta/s that suggests that the produced medium has a small viscosity per unit entropy. (C) 2011 Elsevier B.V. All rights reserved.
Published: 2011

12. Precision Measurement of the Longitudinal Double-Spin Asymmetry for Inclusive Jet Production in Polarized Proton Collisions ats=200 GeV

Author: Z. P. Zhang, A. S. Hirsch, P. Kravtsov, A. M. Schmah, B. Haag, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, A. Roy, F. Videbæk, G. Webb, Xiangyuan Cui, W. Christie, P. R. Pujahari, Sukalyan Chattopadhyay, I. Sakrejda, J. K. Adkins, E. P. Sichtermann, M. A.C. Lamont, M. Lomnitz, D. L. Olvitt, Zebo Tang, Janusz Chwastowski, X. Li, Andrey Vasiliev, Q. H. Xu, L-X. Han, S. Y. Noh, R. Fatemi, Jay Roberts, J. Rusnak, Rashmi Raniwala, Nasim, J. Xu, Leo Clifford Greiner, K. Krueger, J. A. Vanfossen, T. Ullrich, Janet Elizabeth Seger, J. H. Thomas, S. Dhamija, L. Yi, Nilay Shah, L. Kotchenda, C. Perkins, A. F. Kraishan, L. Ruan, R. Vertesi, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, J. M. Campbell, J. Turnau, Xiaofeng Zhu, L. C. Bland, A. M. Poskanzer, Z. Ye, M. Cherney, L. G. Efimov, C. M. Du, F. Liu, Mariusz Przybycien, K. S. Engle, R. N. Singaraju, X. Huang, C. K. Riley, A. Ogawa, D. G. Underwood, Hua Pei, H. S. Xu, Jian Deng, T. K. Nayak, H. F. Chen, K. Yip, J. S. Wang, B. Pawlik, S. G. Brovko, R. R. Debbe, Y. Guo, T. G. Dedovich, A. Kechechyan, J. Cheng, I. K. Yoo, Pradip Kumar Sahu, Anik Gupta, F. Ding, Jongmin Lee, R. L. Ray, H. W. Ke, B. Di Ruzza, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, K. Poniatowska, R. D. Majka, M. Vandenbroucke, A. Gibson, T. J. M. Symons, Y. Zawisza, Y. Panebratsev, D. N. Svirida, S. K. Gupta, Giacomo Contin, W. Borowski, R. Haque, D. Grosnick, G. Agakishiev, D. S. Gunarathne, J. Schambach, Frank Jm Geurts, C-Q. Li, Yang Yang, L. C. De Silva, Z. H. Khan, Y. Fisyak, Basanta Kumar Nandi, Nihar Sahoo, G. Eppley, Anju Bhasin, T. Ljubicic, H. Qiu, R. P. Scharenberg, Christina Markert, D. Smirnov, M. Tokarev, O. Rusnakova, P. Huck, H. S. Matis, K. Oh, M. K. Mustafa, J. C. Dunlop, S. Zhang, Yu-Gang Ma, D. Cebra, H. Caines, Sudhir Raniwala, Wenbin Yan, Anthony Robert Timmins, Adam Ryszard Kisiel, G. S. Averichev, J. Alford, L. K. Kosarzewski, A. Lebedev, J. Engelage, A. Quintero, Y. Li, H. J. Crawford, C. E. Flores, E. G. Judd, R. S. Longacre, J. Pluta, W. Guryn, G. Nigmatkulov, V. A. Okorokov, Zhigang Xiao, T. D. S. Stanislaus, Zubayer Ahammed, W. W. Jacobs, J. Lauret, T. P. Burton, C. D. Anson, Xuan Zhang, M. J. LeVine, D. P. Mahapatra, H. H. Wieman, W. Li, Madan M. Aggarwal, H. Bichsel, G. Wang, Jorn Henning Putschke, Fuqiang Wang, J. M. Landgraf, G. Odyniec, R. Lednicky, T. Tarnowsky, G. Igo, P. Djawotho, J. Fedorisin, N. G. Minaev, Y. Zoulkarneeva, C. Zhong, Z. Chang, Li-Yi Chen, Bedangadas Mohanty, B. Huang, J. Novak, I. Koralt, A. V. Brandin, B. Sharma, X. L. Wang, E. C. Aschenauer, D. Solanki, M. Strikhanov, N. Xu, P. Filip, Z. J. Sun, Hanna Paulina Zbroszczyk, J. Bouchet, K. D. Landry, K. Kauder, A. Vossen, J. F. Ross, S. Margetis, Q. Y. Shou, J. Butterworth, Rene Bellwied, K. Xin, N. Yu, Kejun Kang, L. V. Nogach, X. Dong, Y. H. Zhu, Jie Zhao, O. D. Tsai, J. Konzer, P. Pile, D. R. Beavis, G. D. Westfall, P. Seyboth, S. Horvat, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, S. K. Pal, Justin Stevens, R. E. Tribble, Sumit R. Das, Y. Xu, M. C. Cervantes, P. Chaloupka, Leszek Adamczyk, G. Van Nieuwenhuizen, R. Derradi de Souza, M. J. Skoby, Bernd Surrow, M. Wada, T. Pawlak, Z. J. Xu, H. M. Spinka, J. L. Zhang, W. Q. Shen, J. Sandweiss, R. Witt, F. Zhao, A. Kesich, W. Zha, Gerald W Hoffmann, I. Kulakov, A. Banerjee, Xiang Sun, A. B. Cudd, A. Sarkar, W. B. Schmidke, S. Mioduszewski, J. Porter, S. Trentalange, C. A. Gagliardi, R. Cendejas, Ivan Kisel, Donald M. McDonald, M. Pachr, Stephen V. Gliske, Prithwish Tribedy, B. K. Srivastava, D. Garand, A. Chikanian, Lokesh Kumar, W. J. Llope, Jaroslav Bielcik, Michal Sumbera, Sevil Salur, Y. Wang, Xiangming Sun, H. G. Ritter, O. V. Rogachevskiy, H. J. Jang, S. Bültmann, A. Ohlson, S. W. Wissink, J. W. Harris, Radoslaw Antoni Kycia, Y. Zhang, E. Sangaline, D. Arkhipkin, A. Hamed, Nikola Poljak, I. G. Alekseev, P. Yepes, A. Davila Leyva, A. H. Tang, M. A. Lisa, N. K. Pruthi, I. Bunzarov, M. Calderon De La Barca Sanchez, Y. F. Wu, Wei Xie, J. G. Cramer, A. Aparin, G. M.S. Vasconcelos, Y. Pandit, N. Schmitz, E. Shahaliev, M. R. Girard, J. L. Romero, E. Finch, E. W. Oldag, T. J. Humanic, H. Z. Huang, S. Vokal, R. Varma, B. S. Page, D. P. Kikola, B. Stringfellow, T. S. McShane, J. H. Chen, S. S. Shi, P. Bhattarai, M. A. Szelezniak, D. A. Morozov, Thorsten Sven Kollegger, Y. J. Sun, D. Kalinkin, C. Dilks, S. Heppelmann, S. Kabana, Y. P. Viyogi, L. Eun, J. B. Zhang, D. D. Koetke, J. E. Draper, S. Ramachandran, O. Eyser, M. M. Mondal, M. Shao, Y. X. Pan, G. Van Buren, J. M. Nelson, W. Peryt, C. Yang, David Jonathan Hofman, M. J.M. Codrington, H. Masui, J. Takahashi, S. B. Nurushev, S. Fazio, Haiyan Wang, P. V. Shanmuganathan, L. E. Dunkelberger, A. A. Derevschikov, Jana Bielcikova, P. Sorensen, L. Didenko, Zhiming Li, Maksym Zyzak, J. C. Webb, Xiaofeng Luo, and Guo-Liang Ma
Subjects: Physics, Particle physics, Scattering, media_common.quotation_subject, General Physics and Astronomy, Parton, Polarization (waves), Asymmetry, Gluon, Nuclear physics, Distribution function, High Energy Physics::Experiment, Nuclear Experiment, Relativistic Heavy Ion Collider, media_common
Abstract: We report a new measurement of the midrapidity inclusive jet longitudinal double-spin asymmetry, A_{LL}, in polarized pp collisions at center-of-mass energy sqrt[s]=200 GeV. The STAR data place stringent constraints on polarized parton distribution functions extracted at next-to-leading order from global analyses of inclusive deep-inelastic scattering (DIS), semi-inclusive DIS, and RHIC pp data. The measured asymmetries provide evidence at the 3σ level for positive gluon polarization in the Bjorken-x region x>0.05.
Published: 2015

13. Charged-to-neutral correlation at forward rapidity in Au + Au collisions atsNN=200GeV

Author: Y. Zoulkarneeva, C. Zhong, Y. Guo, Guo-Liang Ma, Zhigang Xiao, R. L. Ray, I-K. Yoo, Li Yi, T. Ljubicic, N. G. Minaev, R. Varma, A. S. Hirsch, B. S. Page, D. P. Kikola, T. Kollegger, W. J. Llope, P. Kravtsov, A. M. Schmah, Dmitry Smirnov, H. Caines, Sudhir Raniwala, J. C. Webb, S. Ramachandran, A. Quintero, B. Stringfellow, F. Liu, Stephen V. Gliske, Miroslav Simko, Mariusz Przybycien, Hao Qiu, H. G. Ritter, P. Filip, L. C. De Silva, Vitaly Okorokov, Michal Sumbera, E. P. Sichtermann, L. C. Bland, N. Xu, P. Pile, G. D. Westfall, S. Bültmann, J. Porter, Y. F. Xu, Bernd Surrow, J. Putschke, Rashmi Raniwala, Nasim, R. D. Majka, J. G. Cramer, S. W. Wissink, Y. Zhang, J. L. Drachenberg, A. Sandacz, John Nelson, Y.X. Pan, A. Gupta, Ivan Kisel, D. N. Svirida, Alice Elisabeth Ohlson, W. Borowski, J. Schambach, Nikola Poljak, M. R. Girard, D. Solanki, M. Tokarev, J. E. Draper, A. Ogawa, Jian Deng, T. Ullrich, Xuan Zhang, H. F. Chen, D. G. Underwood, D. L. Olvitt, C. A. Gagliardi, C. Yang, G. Agakishiev, D. S. Gunarathne, H. W. Ke, Jun-jie Zhang, C. M. Du, H. S. Xu, L. Eun, S. K. Das, E. W. Oldag, T. S. McShane, L. Kotchenda, P. Bhattarai, D. Tlusty, B. Pawlik, B. Huang, Lisa, M. J.M. Codrington, D. J. Hofman, F. Ding, Xiangyuan Cui, W. Christie, Hanna Paulina Zbroszczyk, D. R. Beavis, C-Q. Li, Madan M. Aggarwal, Fuqiang Wang, J. Rusnak, Basanta Kumar Nandi, A. F. Kraishan, P. Djawotho, R. P. Scharenberg, Christina Markert, O. Rusnakova, H. S. Matis, X. L. Wang, M. M. Mondal, J. Cheng, T. J. M. Symons, Andrey Vasiliev, J. Takahashi, T. D. S. Stanislaus, M. A. C. Lamont, S. B. Nurushev, S.Y. Noh, A. Roy, C. E. Flores, E. G. Judd, A. Kechechyan, N.R. Sahoo, X.G. Li, S. Zhang, H. H. Wieman, Szelezniak, E. C. Aschenauer, L. K. Kosarzewski, S. Margetis, R. Witt, L. Ruan, C. D. Anson, J. Novak, A. Vossen, F. Videbæk, Z. Chang, Li-Yi Chen, N. K. Pruthi, G. Eppley, P. Sorensen, W. W. Jacobs, J.H. Lee, F. Zhao, J. M. Campbell, J. Turnau, J. Lauret, K. Xin, Y. J. Sun, A. M. Poskanzer, X. Dong, G. Webb, Z. H. Khan, C. Dilks, Bedangadas Mohanty, Sukalyan Chattopadhyay, Justin Stevens, B. Di Ruzza, Jie Zhao, S. Horvat, M. Shao, G. Van Buren, A. Chikanian, Anju Bhasin, J. W. Harris, S. S. Shi, S. Kabana, Y. P. Viyogi, Z.P. Zhang, J. Pluta, M. Zyzak, W. Li, Jana Bielcikova, K. Kang, R. Lednicky, J.M. Landgraf, M. K. Mustafa, J. F. Ross, Robert Vertesi, Radoslaw Antoni Kycia, J. Engelage, Z.M. Li, Jaroslav Bielcik, Z. Ye, A. Lebedev, A. Banerjee, W. Zha, M. Wada, W.B. Schmidke, T. J. Humanic, G. Nigmatkulov, T. G. Dedovich, X. Huang, Rene Bellwied, Wei Xie, Y. Li, E. Sangaline, D. Arkhipkin, Prithwish Tribedy, L-X. Han, J. L. Zhang, B. K. Srivastava, M. Lomnitz, J. H. Thomas, A. Hamed, P. Yepes, S.G. Brovko, A. Davila Leyva, S. Mioduszewski, X. G. Luo, Pradip Kumar Sahu, O. V. Rogachevskiy, H. J. Jang, R.E. Tribble, J. Alford, D. P. Mahapatra, S. Fazio, I. G. Bordyuzhin, X. Zhu, Y. H. Zhu, Y. Wang, Mirko Planinic, W. Guryn, I. G. Alekseev, A. H. Tang, A. Aparin, D. D. Koetke, G. M.S. Vasconcelos, L. Didenko, M. Strikhanov, J. Konzer, Haiyan Wang, G. S. Averichev, J. Fedorisin, D.R. Gangadharan, T. P. Burton, H. Masui, Gerald W Hoffmann, K.S. Engle, M. Calderon De La Barca Sanchez, Yu-Gang Ma, P. V. Shanmuganathan, I. Bunzarov, Y. Pandit, G. Odyniec, J. Sandweiss, X. M. Sun, N. Schmitz, J. C. Dunlop, E. Shahaliev, T. Tarnowsky, M.J. Skoby, L. E. Dunkelberger, Zubayer Ahammed, I. Koralt, N. Yu, L. V. Nogach, D. McDonald, A. A. Derevschikov, W. Yan, T. Pawlak, P. Chaloupka, Amal Sarkar, Q. Y. Shou, S. Trentalange, H.M. Spinka, Olga Evdokimov, Barbara Antonina Trzeciak, Y. F. Wu, Jay Roberts, K. Krueger, B. Haag, Zebo Tang, Janusz Chwastowski, Leo Clifford Greiner, C. Perkins, Frank Jm Geurts, K. Poniatowska, P. Seyboth, S. K. Gupta, Giacomo Contin, Leszek Adamczyk, R. Derradi de Souza, P. Huck, Anthony Robert Timmins, Adam Ryszard Kisiel, H. J. Crawford, J. K. Adkins, I. Kulakov, R. Fatemi, J. A. Vanfossen, M. Cherney, Lokesh Kumar, A. V. Brandin, Hua Pei, J. Seger, Y. Panebratsev, D. Grosnick, G. Wang, Z. Z. Xu, J.L. Romero, A. Kesich, R. Cendejas, Nikita Smirnov, Z. J. Sun, A. K. Bhati, D. Keane, R. Stock, Xu Sun, K. Yip, J. S. Wang, R. R. Debbe, C. K. Riley, Rihan Haque, H. Z. Huang, L. G. Efimov, T. K. Nayak, O. D. Tsai, S. Vokal, M. C. Cervantes, Q. H. Xu, W. Q. Shen, G. J. van Nieuwenhuizen, D. Cebra, D. Garand, Y. Fisyak, Maxence Vandenbroucke, Sevil Salur, K. Oh, J. Xu, I. Sakrejda, Y. Yang, Nilay Shah, J. H. Chen, D. A. Morozov, D. Kalinkin, R. S. Longacre, S. Heppelmann, O. Eyser, G. Igo, B. Sharma, J. Bouchet, K. D. Landry, K. Kauder, J. Butterworth, H. Bichsel, and A. Gibson
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Photon, 010308 nuclear & particles physics, 01 natural sciences, Charged particle, Nuclear physics, Particle decay, Pion, Isospin, 0103 physical sciences, Quark–gluon plasma, Rapidity, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: Event-by-event fluctuations of the multiplicities of inclusive charged particles and photons at forward rapidity in Au + Au collisions at root s(NN) = 200 GeV have been studied. The dominant contribution to such fluctuations is expected to come from correlated production of charged and neutral pions. We search for evidence of dynamical fluctuations of different physical origins. Observables constructed out of moments of multiplicities are used as measures of fluctuations. Mixed events and model calculations are used as base lines. Results are compared to the dynamical net-charge fluctuations measured in the same acceptance. A nonzero statistically significant signal of dynamical fluctuations is observed in excess to the model prediction when charged particles and photons are measured in the same acceptance. We find that, unlike dynamical net-charge fluctuation, charge-neutral fluctuation is not dominated by correlation owing to particle decay. Results are compared to the expectations based on the generic production mechanism of pions owing to isospin symmetry, for which no significant (
Published: 2015

14. ΛΛCorrelation Function inAu+AuCollisions atsNN=200 GeV

Author: J. G. Cramer, Rashmi Raniwala, Michal Sumbera, L. Kotchenda, M. R. Girard, S. Bültmann, D. L. Olvitt, Amal Sarkar, T. Ullrich, S. W. Wissink, E. W. Oldag, Y. Zhang, Nikola Poljak, C. M. Du, H. S. Xu, L. Eun, J. E. Draper, M. K. Mustafa, P. V. Shanmuganathan, B. Haag, T. Tarnowsky, L. E. Dunkelberger, Y. Guo, Jongmin Lee, Y. Li, A. K. Bhati, D. Keane, Haiyan Wang, J. Rusnak, Z. Ye, H. W. Ke, A. F. Kraishan, S. Fazio, Olga Evdokimov, Barbara Antonina Trzeciak, R. Stock, Jay Roberts, K. Krueger, L. G. Efimov, D. P. Mahapatra, L. Ruan, X. Huang, Zebo Tang, Janusz Chwastowski, Q. H. Xu, A. Kechechyan, I. G. Bordyuzhin, Mirko Planinic, T. Ljubicic, A. A. Derevschikov, T. K. Nayak, D. G. Underwood, F. Videbæk, G. Eppley, X. M. Sun, C. D. Anson, O. D. Tsai, H. Caines, Sudhir Raniwala, Pradip Kumar Sahu, J. Xu, G. Webb, Leo Clifford Greiner, J. M. Campbell, J. Turnau, P. Sorensen, Sukalyan Chattopadhyay, A. Quintero, R. Cendejas, M. C. Cervantes, Stephen V. Gliske, Rihan Haque, M. Shao, Y. X. Pan, G. Van Buren, J. W. Harris, Bedangadas Mohanty, W. Q. Shen, R. Varma, B. S. Page, P. Seyboth, D. P. Kikola, S. S. Shi, Robert Vertesi, T. G. Dedovich, H. Z. Huang, S. Vokal, H. G. Ritter, D. Garand, B. Stringfellow, T. S. McShane, C. Perkins, J. Pluta, Madan M. Aggarwal, D. Solanki, M. Zyzak, P. Bhattarai, Fuqiang Wang, J. H. Thomas, Wenbin Yan, J. Engelage, Zhigang Xiao, Sevil Salur, Leszek Adamczyk, R. Derradi de Souza, J. M. Nelson, G. Nigmatkulov, M. Tokarev, W. Li, F. Ding, R. S. Longacre, Y. Panebratsev, Y. Wang, N. G. Minaev, D. Grosnick, Y. J. Sun, H. Masui, J. H. Chen, Anju Bhasin, C. Dilks, Rajarshi Ray, L. Didenko, P. Yepes, A. Davila Leyva, Y. F. Xu, X. G. Luo, S. Kabana, J. Cheng, Zhiming Li, I. Koralt, M. Wada, Y. G. Ma, C. Yang, Rene Bellwied, Y. H. Zhu, T. D. S. Stanislaus, X. L. Wang, I. Kulakov, M. J. M. Codrington, E. C. Aschenauer, S. Margetis, S. G. Brovko, Jian Deng, Y. P. Viyogi, N. Xu, P. Filip, X. Dong, M. Lomnitz, G. Igo, J. Novak, B. Sharma, J. Bouchet, K. D. Landry, R. E. Tribble, Jize Zhao, H. H. Wieman, K. Kauder, Gerald W Hoffmann, N. Yu, L. V. Nogach, D. A. Morozov, Alice Elisabeth Ohlson, M. J. Skoby, Frank Jm Geurts, A. H. Tang, Z. Z. Xu, Nikita Smirnov, I. Bunzarov, K. Kang, A. Lebedev, J. M. Landgraf, P. Pile, G. D. Westfall, S. Das, A. Gupta, Justin Stevens, D. J. Hofman, D. Kalinkin, G. Agakishiev, D. S. Gunarathne, G. Wang, T. J. M. Symons, L. C. De Silva, M. Strikhanov, A. Vossen, S. Heppelmann, J. Konzer, Guo-Liang Ma, D. N. Svirida, G. S. Averichev, J. Takahashi, M. A. C. Lamont, J. Porter, I. K. Yoo, G. Odyniec, J. Sandweiss, D. Cebra, P. Djawotho, S. Ramachandran, O. Eyser, Li Yi, S. B. Nurushev, B. Huang, Aditi Banerjee, Ivan Kisel, Z. J. Sun, Z. P. Zhang, A. S. Hirsch, M. M. Mondal, D. Tlusty, T. Kollegger, C. E. Flores, E. G. Judd, P. Kravtsov, A. M. Schmah, Dmitry Smirnov, F. Liu, Miroslav Simko, Mariusz Przybycien, L. C. Bland, C. K. Riley, D. R. Gangadharan, Niladribihari Sahoo, N. K. Pruthi, Radoslaw Antoni Kycia, Jaroslav Bielcik, Z. H. Khan, Jie Zhang, G. J. van Nieuwenhuizen, M. A. Szelezniak, I. G. Alekseev, M. A. Lisa, Md. Nasim, M. Calderon De La Barca Sanchez, Y. Fisyak, R. D. Majka, J. L. Drachenberg, A. Roy, K. Oh, O. V. Rogachevskiy, H. J. Jang, W. Borowski, Z. Chang, J. Schambach, Xiangyuan Cui, W. Christie, H. Bichsel, A. Gibson, Y. Zoulkarneeva, C. Zhong, D. D. Koetke, Andrey Vasiliev, Li-Zhu Chen, X.G. Li, Vitaly Okorokov, J. C. Dunlop, Bernd Surrow, Zubayer Ahammed, Janet Elizabeth Seger, H. M. Spinka, Q. Y. Shou, J. M. Butterworth, W. B. Schmidke, R. Witt, J. C. Webb, S. Mioduszewski, Donald M. McDonald, C. A. Gagliardi, Prithwish Tribedy, B. K. Srivastava, Wei Xie, A. Aparin, G. M.S. Vasconcelos, Hao Qiu, Y. Pandit, N. Schmitz, E. Shahaliev, Jana Bielcikova, J. L. Romero, Y. F. Wu, J. Putschke, Xiaofeng Zhu, A. Ogawa, H. F. Chen, C-Q. Li, I. Sakrejda, R. P. Scharenberg, Christina Markert, J. Alford, O. Rusnakova, W. Guryn, H. S. Matis, J. Fedorisin, L. K. Kosarzewski, B. Di Ruzza, S. Horvat, T. Pawlak, W. Zha, W. W. Jacobs, J. Lauret, R. Lednicky, J. F. Ross, Y. Yang, Nilay Shah, K. Yip, J. S. Wang, R. R. Debbe, K. Poniatowska, Maxence Vandenbroucke, S. K. Gupta, Giacomo Contin, P. Huck, A. V. Brandin, Anthony Robert Timmins, K. Xin, Adam Ryszard Kisiel, H. J. Crawford, J. K. Adkins, R. Fatemi, J. A. Vanfossen, A. Kesich, M. Cherney, Xiangming Sun, K. S. Engle, Lokesh Kumar, Hua Pei, B. Pawlik, Basanta Kumar Nandi, S. Zhang, A. M. Poskanzer, T. P. Burton, P. Chaloupka, S. Trentalange, A. Chikanian, T. J. Humanic, E. Sangaline, D. Arkhipkin, A. Hamed, L-X. Han, S. Y. Noh, J. L. Zhang, W. J. Llope, Xuan Zhang, Hanna Paulina Zbroszczyk, D. R. Beavis, F. Zhao, and E. P. Sichtermann
Subjects: Physics, Particle physics, General Physics and Astronomy, Production (computer science), Function (mathematics), Correlation function (quantum field theory), Nuclear Experiment, Lambda
Abstract: A high statistics measurement of the $\mathrm{\ensuremath{\Lambda}}\phantom{\rule{0}{0ex}}\mathrm{\ensuremath{\Lambda}}$ correlation function in heavy-ion collisions at RHIC suggests that the strength of the interaction is weak and provides a new limit on H-dibaryon production.
Published: 2015

15. Λ Λ correlation function in Au+Au collisions at sNN =200GeV

Author: L, Adamczyk, J K, Adkins, G, Agakishiev, M M, Aggarwal, Z, Ahammed, I, Alekseev, J, Alford, C D, Anson, A, Aparin, D, Arkhipkin, E C, Aschenauer, G S, Averichev, A, Banerjee, D R, Beavis, R, Bellwied, A, Bhasin, A K, Bhati, P, Bhattarai, H, Bichsel, J, Bielcik, J, Bielcikova, L C, Bland, I G, Bordyuzhin, W, Borowski, J, Bouchet, A V, Brandin, S G, Brovko, S, Bültmann, I, Bunzarov, T P, Burton, J, Butterworth, H, Caines, M, Calderón de la Barca Sánchez, J M, Campbell, D, Cebra, R, Cendejas, M C, Cervantes, P, Chaloupka, Z, Chang, S, Chattopadhyay, H F, Chen, J H, Chen, L, Chen, J, Cheng, M, Cherney, A, Chikanian, W, Christie, J, Chwastowski, M J M, Codrington, G, Contin, J G, Cramer, H J, Crawford, X, Cui, S, Das, A, Davila Leyva, L C, De Silva, R R, Debbe, T G, Dedovich, J, Deng, A A, Derevschikov, R, Derradi de Souza, B, di Ruzza, L, Didenko, C, Dilks, F, Ding, P, Djawotho, X, Dong, J L, Drachenberg, J E, Draper, C M, Du, L E, Dunkelberger, J C, Dunlop, L G, Efimov, J, Engelage, K S, Engle, G, Eppley, L, Eun, O, Evdokimov, O, Eyser, R, Fatemi, S, Fazio, J, Fedorisin, P, Filip, Y, Fisyak, C E, Flores, C A, Gagliardi, D R, Gangadharan, D, Garand, F, Geurts, A, Gibson, M, Girard, S, Gliske, L, Greiner, D, Grosnick, D S, Gunarathne, Y, Guo, A, Gupta, S, Gupta, W, Guryn, B, Haag, A, Hamed, L-X, Han, R, Haque, J W, Harris, S, Heppelmann, A, Hirsch, G W, Hoffmann, D J, Hofman, S, Horvat, B, Huang, H Z, Huang, X, Huang, P, Huck, T J, Humanic, G, Igo, W W, Jacobs, H, Jang, E G, Judd, S, Kabana, D, Kalinkin, K, Kang, K, Kauder, H W, Ke, D, Keane, A, Kechechyan, A, Kesich, Z H, Khan, D P, Kikola, I, Kisel, A, Kisiel, D D, Koetke, T, Kollegger, J, Konzer, I, Koralt, L K, Kosarzewski, L, Kotchenda, A F, Kraishan, P, Kravtsov, K, Krueger, I, Kulakov, L, Kumar, R A, Kycia, M A C, Lamont, J M, Landgraf, K D, Landry, J, Lauret, A, Lebedev, R, Lednicky, J H, Lee, C, Li, W, Li, X, Li, Y, Li, Z M, Li, M A, Lisa, F, Liu, T, Ljubicic, W J, Llope, M, Lomnitz, R S, Longacre, X, Luo, G L, Ma, Y G, Ma, D P, Mahapatra, R, Majka, S, Margetis, C, Markert, H, Masui, H S, Matis, D, McDonald, T S, McShane, N G, Minaev, S, Mioduszewski, B, Mohanty, M M, Mondal, D A, Morozov, M K, Mustafa, B K, Nandi, Md, Nasim, T K, Nayak, J M, Nelson, G, Nigmatkulov, L V, Nogach, S Y, Noh, J, Novak, S B, Nurushev, G, Odyniec, A, Ogawa, K, Oh, A, Ohlson, V, Okorokov, E W, Oldag, D L, Olvitt, B S, Page, Y X, Pan, Y, Pandit, Y, Panebratsev, T, Pawlak, B, Pawlik, H, Pei, C, Perkins, P, Pile, M, Planinic, J, Pluta, N, Poljak, K, Poniatowska, J, Porter, A M, Poskanzer, N K, Pruthi, M, Przybycien, J, Putschke, H, Qiu, A, Quintero, S, Ramachandran, R, Raniwala, S, Raniwala, R L, Ray, C K, Riley, H G, Ritter, J B, Roberts, O V, Rogachevskiy, J L, Romero, J F, Ross, A, Roy, L, Ruan, J, Rusnak, O, Rusnakova, N R, Sahoo, P K, Sahu, I, Sakrejda, S, Salur, J, Sandweiss, E, Sangaline, A, Sarkar, J, Schambach, R P, Scharenberg, A M, Schmah, W B, Schmidke, N, Schmitz, J, Seger, P, Seyboth, N, Shah, E, Shahaliev, P V, Shanmuganathan, M, Shao, B, Sharma, W Q, Shen, S S, Shi, Q Y, Shou, E P, Sichtermann, M, Simko, M J, Skoby, D, Smirnov, N, Smirnov, D, Solanki, P, Sorensen, H M, Spinka, B, Srivastava, T D S, Stanislaus, J R, Stevens, R, Stock, M, Strikhanov, B, Stringfellow, M, Sumbera, X, Sun, X M, Sun, Y, Sun, Z, Sun, B, Surrow, D N, Svirida, T J M, Symons, M A, Szelezniak, J, Takahashi, A H, Tang, Z, Tang, T, Tarnowsky, J H, Thomas, A R, Timmins, D, Tlusty, M, Tokarev, S, Trentalange, R E, Tribble, P, Tribedy, B A, Trzeciak, O D, Tsai, J, Turnau, T, Ullrich, D G, Underwood, G, Van Buren, G, van Nieuwenhuizen, M, Vandenbroucke, J A, Vanfossen, R, Varma, G M S, Vasconcelos, A N, Vasiliev, R, Vertesi, F, Videbæk, Y P, Viyogi, S, Vokal, A, Vossen, M, Wada, F, Wang, G, Wang, H, Wang, J S, Wang, X L, Wang, Y, Wang, G, Webb, J C, Webb, G D, Westfall, H, Wieman, S W, Wissink, R, Witt, Y F, Wu, Z, Xiao, W, Xie, K, Xin, H, Xu, J, Xu, N, Xu, Q H, Xu, Y, Xu, Z, Xu, W, Yan, C, Yang, Y, Yang, Z, Ye, P, Yepes, L, Yi, K, Yip, I-K, Yoo, N, Yu, H, Zbroszczyk, W, Zha, J B, Zhang, J L, Zhang, S, Zhang, X P, Zhang, Y, Zhang, Z P, Zhang, F, Zhao, J, Zhao, C, Zhong, X, Zhu, Y H, Zhu, Y, Zoulkarneeva, M, Zyzak, Adamczyk, L., Adkins, J. K., Agakishiev, G., Aggarwal, M. M., Ahammed, Z., Alekseev, I., Alford, J., Anson, C. D., Aparin, A., Arkhipkin, D., Aschenauer, E. C., Averichev, G. S., Banerjee, A., Beavis, D. R., Bellwied, R., Bhasin, A., Bhati, A. K., Bhattarai, P., Bichsel, H., Bielcik, J., Bielcikova, J., Bland, L. C., Bordyuzhin, I. G., Borowski, W., Bouchet, J., Brandin, A. V., Brovko, S. G., Bültmann, S., Bunzarov, I., Burton, T. P., Butterworth, J., Caines, H., Calderón De La Barca Sánchez, M., Campbell, J. M., Cebra, D., Cendejas, R., Cervantes, M. C., Chaloupka, P., Chang, Z., Chattopadhyay, S., Chen, H. F., Chen, J. H., Chen, L., Cheng, J., Cherney, M., Chikanian, A., Christie, W., Chwastowski, J., Codrington, M. J. M., Contin, G., Cramer, J. G., Crawford, H. J., Cui, X., Das, S., Davila Leyva, A., De Silva, L. C., Debbe, R. R., Dedovich, T. G., Deng, J., Derevschikov, A. A., Derradi De Souza, R., Di Ruzza, B., Didenko, L., Dilks, C., Ding, F., Djawotho, P., Dong, X., Drachenberg, J. L., Draper, J. E., Du, C. M., Dunkelberger, L. E., Dunlop, J. C., Efimov, L. G., Engelage, J., Engle, K. S., Eppley, G., Eun, L., Evdokimov, O., Eyser, O., Fatemi, R., Fazio, S., Fedorisin, J., Filip, P., Fisyak, Y., Flores, C. E., Gagliardi, C. A., Gangadharan, D. R., Garand, D., Geurts, F., Gibson, A., Girard, M., Gliske, S., Greiner, L., Grosnick, D., Gunarathne, D. S., Guo, Y., Gupta, A., Gupta, S., Guryn, W., Haag, B., Hamed, A., Han, L. -X., Haque, R., Harris, J. W., Heppelmann, S., Hirsch, A., Hoffmann, G. W., Hofman, D. J., Horvat, S., Huang, B., Huang, H. Z., Huang, X., Huck, P., Humanic, T. J., Igo, G., Jacobs, W. W., Jang, H., Judd, E. G., Kabana, S., Kalinkin, D., Kang, K., Kauder, K., Ke, H. W., Keane, D., Kechechyan, A., Kesich, A., Khan, Z. H., Kikola, D. P., Kisel, I., Kisiel, A., Koetke, D. D., Kollegger, T., Konzer, J., Koralt, I., Kosarzewski, L. K., Kotchenda, L., Kraishan, A. F., Kravtsov, P., Krueger, K., Kulakov, I., Kumar, L., Kycia, R. A., Lamont, M. A. C., Landgraf, J. M., Landry, K. D., Lauret, J., Lebedev, A., Lednicky, R., Lee, J. H., Li, C., Li, W., Li, X., Li, Y., Li, Z. M., Lisa, M. A., Liu, F., Ljubicic, T., Llope, W. J., Lomnitz, M., Longacre, R. S., Luo, X., Ma, G. L., Ma, Y. G., Mahapatra, D. P., Majka, R., Margetis, S., Markert, C., Masui, H., Matis, H. S., Mcdonald, D., Mcshane, T. S., Minaev, N. G., Mioduszewski, S., Mohanty, B., Mondal, M. M., Morozov, D. A., Mustafa, M. K., Nandi, B. K., Nasim, Md., Nayak, T. K., Nelson, J. M., Nigmatkulov, G., Nogach, L. V., Noh, S. Y., Novak, J., Nurushev, S. B., Odyniec, G., Ogawa, A., Oh, K., Ohlson, A., Okorokov, V., Oldag, E. W., Olvitt, D. L., Page, B. S., Pan, Y. X., Pandit, Y., Panebratsev, Y., Pawlak, T., Pawlik, B., Pei, H., Perkins, C., Pile, P., Planinic, M., Pluta, J., Poljak, N., Poniatowska, K., Porter, J., Poskanzer, A. M., Pruthi, N. K., Przybycien, M., Putschke, J., Qiu, H., Quintero, A., Ramachandran, S., Raniwala, R., Raniwala, S., Ray, R. L., Riley, C. K., Ritter, H. G., Roberts, J. B., Rogachevskiy, O. V., Romero, J. L., Ross, J. F., Roy, A., Ruan, L., Rusnak, J., Rusnakova, O., Sahoo, N. R., Sahu, P. K., Sakrejda, I., Salur, S., Sandweiss, J., Sangaline, E., Sarkar, A., Schambach, J., Scharenberg, R. P., Schmah, A. M., Schmidke, W. B., Schmitz, N., Seger, J., Seyboth, P., Shah, N., Shahaliev, E., Shanmuganathan, P. V., Shao, M., Sharma, B., Shen, W. Q., Shi, S. S., Shou, Q. Y., Sichtermann, E. P., Simko, M., Skoby, M. J., Smirnov, D., Smirnov, N., Solanki, D., Sorensen, P., Spinka, H. M., Srivastava, B., Stanislaus, T. D. S., Stevens, J. R., Stock, R., Strikhanov, M., Stringfellow, B., Sumbera, M., Sun, X., Sun, X. M., Sun, Y., Sun, Z., Surrow, B., Svirida, D. N., Symons, T. J. M., Szelezniak, M. A., Takahashi, J., Tang, A. H., Tang, Z., Tarnowsky, T., Thomas, J. H., Timmins, A. R., Tlusty, D., Tokarev, M., Trentalange, S., Tribble, R. E., Tribedy, P., Trzeciak, B. A., Tsai, O. D., Turnau, J., Ullrich, T., Underwood, D. G., Van Buren, G., Van Nieuwenhuizen, G., Vandenbroucke, M., Vanfossen, J. A., Varma, R., Vasconcelos, G. M. S., Vasiliev, A. N., Vertesi, R., Videbæk, F., Viyogi, Y. P., Vokal, S., Vossen, A., Wada, M., Wang, F., Wang, G., Wang, H., Wang, J. S., Wang, X. L., Wang, Y., Webb, G., Webb, J. C., Westfall, G. D., Wieman, H., Wissink, S. W., Witt, R., Wu, Y. F., Xiao, Z., Xie, W., Xin, K., Xu, H., Xu, J., Xu, N., Xu, Q. H., Xu, Y., Xu, Z., Yan, W., Yang, C., Yang, Y., Ye, Z., Yepes, P., Yi, L., Yip, K., Yoo, I. -K., Yu, N., Zbroszczyk, H., Zha, W., Zhang, J. B., Zhang, J. L., Zhang, S., Zhang, X. P., Zhang, Y., Zhang, Z. P., Zhao, F., Zhao, J., Zhong, C., Zhu, X., Zhu, Y. H., Zoulkarneeva, Y., and Zyzak, M.
Subjects: Physics and Astronomy (all), RHIC, STAR
Abstract: We present ΛΛ correlation measurements in heavy-ion collisions for Au+Au collisions at sqrt[s_{NN}]=200 GeV using the STAR experiment at the Relativistic Heavy-Ion Collider. The Lednický-Lyuboshitz analytical model has been used to fit the data to obtain a source size, a scattering length and an effective range. Implications of the measurement of the ΛΛ correlation function and interaction parameters for dihyperon searches are discussed.
Published: 2015

16. Dielectron azimuthal anisotropy at mid-rapidity in Au + Au collisions atsNN=200GeV

Author: T. P. Burton, M. K. Mustafa, Y. Li, D. P. Mahapatra, Y. Xu, P. Chaloupka, Z. J. Xu, H. Z. Huang, S. Vokal, S. Trentalange, H. Qiu, J. H. Chen, S. S. Shi, M. Tokarev, J. Turnau, J. K. Adkins, R. Fatemi, T. D. S. Stanislaus, K. Krueger, T. G. Dedovich, H. H. Wieman, J. A. Vanfossen, D. A. Morozov, M. Cherney, A. M. Poskanzer, Z. Ye, K. S. Engle, Hua Pei, X. Huang, A. Kechechyan, Pradip Kumar Sahu, J. L. Romero, S. K. Gupta, Giacomo Contin, Nihar Sahoo, P. Huck, Anthony Robert Timmins, Adam Ryszard Kisiel, E. Finch, Xiangyuan Cui, W. Christie, H. J. Crawford, Andrey Vasiliev, Xuan Zhang, D. G. Underwood, S. Fazio, R. S. Longacre, Hanna Paulina Zbroszczyk, Janet Elizabeth Seger, D. R. Beavis, Wei Xie, J. W. Harris, R. Vertesi, A. Aparin, G. M.S. Vasconcelos, Haiyan Wang, F. Zhao, F. Liu, Thorsten Sven Kollegger, Mariusz Przybycien, Y. Pandit, G. Igo, J. Novak, C. K. Riley, D. Kalinkin, J. Cheng, T. J. M. Symons, S. Heppelmann, M. A.C. Lamont, L-X. Han, S. Y. Noh, N. Schmitz, B. Sharma, J. G. Cramer, E. Shahaliev, C. Yang, David Jonathan Hofman, I. Koralt, M. J.M. Codrington, H. Masui, N. Yu, J. Bouchet, Kejun Kang, L. V. Nogach, L. Eun, K. D. Landry, J. B. Zhang, D. D. Koetke, L. C. De Silva, J. E. Draper, K. Kauder, J. Butterworth, Sumit R. Das, G. Van Nieuwenhuizen, S. Ramachandran, P. Yepes, A. Davila Leyva, O. Eyser, M. R. Girard, M. M. Mondal, X. L. Wang, R. D. Majka, A. H. Tang, J. Takahashi, S. B. Nurushev, E. C. Aschenauer, W. Borowski, H. Bichsel, G. Odyniec, Yu-Gang Ma, Y. Zoulkarneeva, C. Zhong, Y. Fisyak, J. Alford, M. Shao, Y. X. Pan, G. Van Buren, S. Margetis, J. Schambach, W. J. Llope, I. Bunzarov, W. Guryn, Anju Bhasin, K. Oh, E. W. Oldag, X. Dong, Q. H. Xu, Bernd Surrow, J. M. Nelson, J. Xu, J. C. Dunlop, A. Lebedev, S. K. Pal, Justin Stevens, T. J. Humanic, W. Peryt, A. Ohlson, R. N. Singaraju, Y. F. Wu, Zubayer Ahammed, M. J. LeVine, J. Fedorisin, W. B. Schmidke, E. P. Sichtermann, G. Wang, C. A. Gagliardi, R. Varma, M. Pachr, B. S. Page, P. V. Shanmuganathan, D. P. Kikola, Lokesh Kumar, Rashmi Raniwala, Jie Zhao, B. Stringfellow, T. S. McShane, P. Bhattarai, Q. Y. Shou, S. Horvat, Z. J. Sun, L. E. Dunkelberger, M. A. Szelezniak, T. Ullrich, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, T. Pawlak, Y. J. Sun, W. Zha, P. Seyboth, C. Dilks, S. Kabana, C. M. Du, Leszek Adamczyk, R. Derradi de Souza, A. Sarkar, Jian Deng, Y. P. Viyogi, H. S. Xu, M. Calderon De La Barca Sanchez, A. A. Derevschikov, Jay Roberts, G. Agakishiev, D. S. Gunarathne, Y. Guo, I. Kulakov, Jongmin Lee, R. L. Ray, D. Cebra, J. Porter, Zhiming Li, H. W. Ke, O. D. Tsai, B. Di Ruzza, Ivan Kisel, T. Ljubicic, M. C. Cervantes, Maksym Zyzak, H. Caines, Sudhir Raniwala, W. Q. Shen, A. Quintero, J. H. Thomas, R. Witt, Xiang Sun, Anik Gupta, S. Mioduszewski, D. Garand, J. C. Webb, Radoslaw Antoni Kycia, Y. Zawisza, Frank Jm Geurts, Donald M. McDonald, Sevil Salur, Y. Wang, Prithwish Tribedy, B. K. Srivastava, G. S. Averichev, I. G. Alekseev, M. A. Lisa, Michal Sumbera, F. Ding, Z. Chang, Li-Yi Chen, Y. Panebratsev, D. Grosnick, P. R. Pujahari, S. Bültmann, S. W. Wissink, Jana Bielcikova, D. L. Olvitt, B. Haag, A. Chikanian, H. M. Spinka, E. Sangaline, D. Arkhipkin, A. Hamed, P. Sorensen, A. Banerjee, Nikola Poljak, B. Pawlik, A. Gibson, Basanta Kumar Nandi, S. Zhang, Zebo Tang, V. A. Okorokov, Janusz Chwastowski, L. Didenko, Leo Clifford Greiner, A. K. Bhati, D. Keane, S. Dhamija, I. K. Yoo, Nikolai Smirnov, R. Stock, C. Perkins, Xiaofeng Luo, Guo-Liang Ma, L. G. Efimov, T. K. Nayak, R. Haque, Z. P. Zhang, C. E. Flores, E. G. Judd, A. S. Hirsch, P. Kravtsov, A. M. Schmah, C. D. Anson, Bedangadas Mohanty, M. Wada, F. Videbæk, G. Webb, Sukalyan Chattopadhyay, Yifei Zhang, M. Lomnitz, N. Xu, P. Filip, Stephen V. Gliske, G. Eppley, P. Pile, G. D. Westfall, Xiaofeng Zhu, J. Pluta, J. L. Zhang, A. Ogawa, H. F. Chen, W. Li, H. G. Ritter, Wenbin Yan, C-Q. Li, Zhigang Xiao, B. Huang, R. P. Scharenberg, Christina Markert, D. Smirnov, O. Rusnakova, N. G. Minaev, H. S. Matis, Rene Bellwied, A. Roy, X. Li, I. Sakrejda, Y. H. Zhu, R. E. Tribble, W. W. Jacobs, J. Rusnak, A. F. Kraishan, Jaroslav Bielcik, J. Lauret, L. Ruan, Gerald W Hoffmann, R. Lednicky, T. Tarnowsky, P. Djawotho, J. F. Ross, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, Y. Yang, O. V. Rogachevskiy, L. Yi, H. J. Jang, Nilay Shah, Jorn Henning Putschke, A. V. Brandin, L. C. Bland, J. Engelage, K. Xin, G. Nigmatkulov, S. G. Brovko, D. N. Svirida, J. M. Landgraf, Madan M. Aggarwal, Fuqiang Wang, M. Strikhanov, J. Konzer, A. Kesich, D. Solanki, Xiangming Sun, R. Cendejas, J. Sandweiss, M. J. Skoby, Nasim, K. Yip, A. Vossen, J. S. Wang, R. R. Debbe, M. Vandenbroucke, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, N. K. Pruthi, Z. H. Khan, and L. Kotchenda
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 7. Clean energy, Particle identification, Nuclear physics, Azimuth, Transverse momentum, Quark–gluon plasma, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, Anisotropy, Relativistic Heavy Ion Collider, STAR detector
Abstract: We report on the first measurement of the azimuthal anisotropy (v2) of dielectrons (e+e− pairs) at mid-rapidity from √sNN=200 GeV Au + Au collisions with the STAR detector at the Relativistic Heavy Ion Collider (RHIC), presented as a function of transverse momentum (pT) for different invariant-mass regions. In the mass region Mee
Published: 2014

17. Observation ofD0Meson Nuclear Modifications inAu+AuCollisions atsNN=200 GeV

Author: P. Bhattarai, M. Shao, Y. X. Pan, G. Van Buren, G. Eppley, C. D. Anson, L. Kotchenda, D. L. Olvitt, J. M. Nelson, J. Pluta, P. R. Pujahari, H. Qiu, W. Peryt, W. Li, J. Turnau, M. K. Mustafa, Thorsten Sven Kollegger, Y. J. Sun, C. Dilks, B. Huang, Rene Bellwied, D. Kalinkin, Bedangadas Mohanty, T. G. Dedovich, M. Tokarev, Madan M. Aggarwal, Xuan Zhang, Hanna Paulina Zbroszczyk, D. R. Beavis, Y. Li, N. Xu, P. Filip, Fuqiang Wang, S. Kabana, Y. P. Viyogi, Y. H. Zhu, C. Yang, S. Heppelmann, R. E. Tribble, F. Zhao, David Jonathan Hofman, M. J.M. Codrington, H. Masui, Radoslaw Antoni Kycia, M. A.C. Lamont, L-X. Han, S. Y. Noh, Gerald W Hoffmann, P. Pile, G. D. Westfall, P. V. Shanmuganathan, D. P. Mahapatra, Yu-Gang Ma, T. D. S. Stanislaus, Anju Bhasin, X. L. Wang, C. Zhong, E. C. Aschenauer, L. Eun, W. J. Llope, L. E. Dunkelberger, I. G. Alekseev, M. A. Lisa, J. K. Adkins, M. Wada, S. Margetis, A. Vossen, H. H. Wieman, I. Sakrejda, J. Takahashi, T. P. Burton, A. Ohlson, X. Dong, Anik Gupta, S. K. Pal, Justin Stevens, R. Fatemi, Y. Zawisza, K. Krueger, J. B. Zhang, D. D. Koetke, J. E. Draper, S. Ramachandran, R. S. Longacre, Xiangming Sun, A. A. Derevschikov, J. G. Cramer, F. Videbæk, G. Webb, S. B. Nurushev, Zhiming Li, L. C. Bland, A. Lebedev, Frank Jm Geurts, G. Wang, Jie Zhao, S. Horvat, J. A. Vanfossen, O. Eyser, X. Li, M. R. Girard, M. M. Mondal, Michal Sumbera, Jaroslav Bielcik, S. Fazio, J. Rusnak, Maksym Zyzak, M. Cherney, Xiaofeng Zhu, A. F. Kraishan, S. Bültmann, Y. Yang, L. Yi, J. L. Zhang, S. W. Wissink, I. Koralt, G. Igo, Sukalyan Chattopadhyay, J. C. Webb, A. K. Bhati, O. V. Rogachevskiy, H. J. Jang, D. Keane, K. S. Engle, J. Novak, L. Ruan, Hua Pei, N. Yu, E. W. Oldag, Kejun Kang, L. V. Nogach, A. M. Poskanzer, Y. Zhang, Nilay Shah, Nikola Poljak, B. Sharma, J. Bouchet, Z. J. Sun, Amitava Roy, A. Ogawa, H. Z. Huang, K. D. Landry, K. Kauder, Sumit R. Das, J. H. Thomas, Nikolai Smirnov, Jian Deng, R. Stock, N. K. Pruthi, T. J. Humanic, Y. Guo, S. Vokal, G. Van Nieuwenhuizen, S. K. Gupta, Giacomo Contin, Z. Ye, Jorn Henning Putschke, H. F. Chen, S. H. Zhang, A. V. Brandin, J. Butterworth, Jongmin Lee, Haiyan Wang, L. G. Efimov, C-Q. Li, G. Agakishiev, D. S. Gunarathne, R. P. Scharenberg, Christina Markert, Nihar Sahoo, X. Huang, A. Kechechyan, B. Haag, K. Xin, T. Pawlak, C. K. Riley, D. Smirnov, Jana Bielcikova, O. Rusnakova, Bernd Surrow, R. L. Ray, P. Huck, H. S. Matis, D. Cebra, Pradip Kumar Sahu, I. K. Yoo, Wenbin Yan, T. K. Nayak, Zebo Tang, Q. H. Xu, R. Varma, O. D. Tsai, S. G. Brovko, Zhigang Xiao, J. H. Chen, S. S. Shi, Anthony Robert Timmins, W. Zha, P. Sorensen, W. W. Jacobs, Adam Ryszard Kisiel, Y. Xu, Janusz Chwastowski, R. Haque, J. Lauret, Leo Clifford Greiner, M. Lomnitz, A. Kesich, W. B. Schmidke, B. S. Page, Y. Fisyak, A. Sarkar, R. Lednicky, C. A. Gagliardi, H. J. Crawford, D. P. Kikola, J. Xu, P. Chaloupka, M. C. Cervantes, R. Cendejas, N. G. Minaev, C. E. Flores, E. G. Judd, T. Ljubicic, Wei Xie, T. Tarnowsky, P. Djawotho, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, M. Pachr, B. Stringfellow, K. Oh, L. Didenko, Z. J. Xu, D. A. Morozov, J. F. Ross, D. N. Svirida, S. Dhamija, G. S. Averichev, C. Perkins, W. Q. Shen, R. N. Singaraju, K. Yip, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, H. Caines, Sudhir Raniwala, A. Quintero, A. Aparin, Xiang Sun, P. Seyboth, J. S. Wang, R. R. Debbe, J. Alford, Z. Chang, Li-Yi Chen, D. Garand, W. Guryn, M. Vandenbroucke, S. Trentalange, G. M.S. Vasconcelos, Leszek Adamczyk, R. Derradi de Souza, Xiaofeng Luo, Guo-Liang Ma, A. Chikanian, Sevil Salur, Y. Wang, E. P. Sichtermann, J. Fedorisin, I. Kulakov, F. Ding, Z. P. Zhang, A. S. Hirsch, Y. Pandit, M. A. Szelezniak, Y. Panebratsev, D. Grosnick, H. M. Spinka, P. Kravtsov, A. M. Schmah, D. G. Underwood, Rashmi Raniwala, E. Sangaline, N. Schmitz, D. Arkhipkin, A. Hamed, E. Shahaliev, A. Banerjee, J. Cheng, T. J. M. Symons, L. C. De Silva, J. Porter, Ivan Kisel, Stephen V. Gliske, T. Ullrich, Y. F. Wu, Xiangyuan Cui, W. Christie, C. M. Du, B. Pawlik, H. S. Xu, A. Gibson, Basanta Kumar Nandi, J. L. Romero, E. Finch, Andrey Vasiliev, V. A. Okorokov, H. G. Ritter, Janet Elizabeth Seger, R. Vertesi, D. Solanki, F. Liu, Mariusz Przybycien, M. J. Skoby, R. D. Majka, W. Borowski, J. Schambach, M. Calderon De La Barca Sanchez, J. C. Dunlop, Zubayer Ahammed, M. J. LeVine, J. W. Harris, Q. Y. Shou, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, P. Yepes, A. Davila Leyva, A. H. Tang, Jay Roberts, I. Bunzarov, H. W. Ke, B. Di Ruzza, Lokesh Kumar, Nasim, R. Witt, S. Mioduszewski, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, Z. H. Khan, J. Engelage, G. Nigmatkulov, J. M. Landgraf, M. Strikhanov, J. Konzer, J. Sandweiss, and T. S. McShane
Subjects: Quark, Physics, Particle physics, Meson, 010308 nuclear & particles physics, Nuclear Theory, High Energy Physics::Phenomenology, Hadron, General Physics and Astronomy, 01 natural sciences, Hadronization, Charm quark, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Nucleon, QCD matter, Boson
Abstract: We report the first measurement of charmed-hadron (D-0) production via the hadronic decay channel (D-0 -> K- + pi(+)) in Au + Au collisions at root(NN)-N-s = 200 GeV with the STAR experiment. The charm production cross section per nucleon- nucleon collision at midrapidity scales with the number of binary collisions, N-bin, from p + p to central Au + Au collisions. The D-0 meson yields in central Au + Au collisions are strongly suppressed compared to those in p + p scaled by N-bin, for transverse momenta p(T) > 3 GeV/c, demonstrating significant energy loss of charm quarks in the hot and dense medium. An enhancement at intermediate p(T) is also observed. Model calculations including strong charm-medium interactions and coalescence hadronization describe our measurements.
Published: 2014

18. Beam Energy Dependence of Moments of the Net-Charge Multiplicity Distributions inAu+AuCollisions at RHIC

Author: Xiangyuan Cui, W. Christie, D. G. Underwood, J. H. Thomas, U. G. Desouza, Andrey Vasiliev, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, Janet Elizabeth Seger, C. Zhong, Xiaofeng Luo, J. Cheng, T. J. M. Symons, C. D. Anson, L. C. De Silva, Guo-Liang Ma, G. S. Averichev, N. R. Sahoo, Z. P. Zhang, A. S. Hirsch, Bedangadas Mohanty, G. Wang, P. Kravtsov, A. M. Schmah, J. Turnau, Wenbin Yan, W. J. Llope, Thorsten Sven Kollegger, J. G. Cramer, Z. Chang, Li-Yi Chen, J. Alford, Zhigang Xiao, David Jonathan Hofman, T. G. Dedovich, Z. J. Sun, M. J.M. Codrington, H. Masui, D. Kalinkin, W. Guryn, A. V. Brandin, T. P. Burton, M. Wada, Nasim, A. K. Bhati, S. Heppelmann, N. G. Minaev, B. Haag, G. Eppley, D. Keane, Anik Gupta, Y. Zawisza, Zebo Tang, Janusz Chwastowski, S. Dhamija, C. Perkins, Frank Jm Geurts, A. Ohlson, Nikolai Smirnov, H. M. Spinka, R. S. Longacre, K. Xin, J. Fedorisin, Marcelo Gameiro Munhoz, Radoslaw Antoni Kycia, L. G. Efimov, L. Eun, A. Banerjee, J. Takahashi, S. B. Nurushev, L. Kotchenda, R. A.N. Oliveira, T. K. Nayak, C. K. Riley, R. Vertesi, J. B. Zhang, D. D. Koetke, J. Pluta, I. G. Alekseev, Donika Plyku, M. A. Lisa, O. D. Tsai, J. E. Draper, W. Li, F. Videbæk, A. Roy, X. Li, B. Huang, I. K. Yoo, F. Liu, G. Webb, J. Porter, Bernd Surrow, Ivan Kisel, Mariusz Przybycien, S. Ramachandran, G. Igo, J. Novak, A. Kesich, R. Cendejas, R. Haque, Y. Guo, D. Tlusty, Y. Fisyak, M. C. Cervantes, J. Rusnak, L. Ruan, M. M. Mondal, Lokesh Kumar, B. Sharma, J. Bouchet, K. Oh, W. Q. Shen, C. E. Flores, E. G. Judd, I. G. Bordyuzhin, Mirko Planinic, K. D. Landry, K. Kauder, J. Butterworth, Jongmin Lee, R. L. Ray, Jie Zhao, S. Horvat, Xiang Sun, A. M. Poskanzer, Z. Ye, D. Garand, Rene Bellwied, Y. H. Zhu, L. M. Lima, R. E. Tribble, Gerald W Hoffmann, Sukalyan Chattopadhyay, P. Seyboth, R. Corliss, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, A. Szanto de Toledo, T. Pawlak, M. Shao, Y. X. Pan, G. Van Buren, M. K. Mustafa, Xuan Zhang, Hanna Paulina Zbroszczyk, H. Z. Huang, S. Vokal, N. Xu, P. Filip, I. Koralt, Kejun Kang, L. V. Nogach, P. Pile, G. D. Westfall, Sumit R. Das, G. Van Nieuwenhuizen, Jun Deng, Y. Li, Alexandre Alarcon Do Passo Suaide, D. P. Mahapatra, D. R. Beavis, F. Zhao, A. Kechechyan, Pradip Kumar Sahu, Leszek Adamczyk, R. Derradi de Souza, J. M. Nelson, Jing-Han Chen, I. Kulakov, S. Fazio, W. Peryt, R. D. Majka, W. Borowski, J. Schambach, R. N. Singaraju, Anju Bhasin, A. Peterson, A. Lebedev, O. Hajkova, Sevil Salur, Y. Wang, Wolfgang Korsch, Xiaofeng Zhu, A. Ogawa, Y. Xu, P. Chaloupka, S. S. Shi, D. A. Morozov, Z. H. Khan, J. W. Harris, P. Yepes, A. Davila Leyva, A. H. Tang, Z. Barnovska, W. B. Schmidke, C. A. Gagliardi, Michal Sumbera, M. Pachr, S. Bültmann, Jaroslav Bielcik, S. W. Wissink, G. Agakishiev, D. Cebra, W. Zha, A. Sarkar, S. Trentalange, Xiangming Sun, B. Pawlik, A. Gibson, O. V. Rogachevskiy, H. J. Jang, N. K. Pruthi, D. Solanki, M. J. Skoby, T. Ljubicic, H. Caines, Sudhir Raniwala, A. Quintero, M. A.C. Lamont, L-X. Han, S. Y. Noh, Haiyan Wang, F. Ding, Basanta Kumar Nandi, I. Bunzarov, V. A. Okorokov, H. Qiu, M. Tokarev, Y. Zhang, J. Engelage, Nikola Poljak, P. R. Pujahari, H. F. Chen, L. C. Bland, X. L. Wang, Y. Panebratsev, Madan M. Aggarwal, D. Grosnick, Fuqiang Wang, A. Chikanian, C-Q. Li, R. Stock, R. P. Scharenberg, Christina Markert, J. C. Dunlop, A. Sandacz, S. Margetis, J. M. Landgraf, Yu-Gang Ma, T. D. S. Stanislaus, D. Smirnov, H. S. Matis, A. Vossen, X. Dong, S. K. Pal, E. Sangaline, D. Arkhipkin, A. Hamed, S. G. Brovko, Chi Yang, Justin Stevens, M. Strikhanov, H. H. Wieman, W. W. Jacobs, E. P. Sichtermann, J. Lauret, J. Konzer, D. N. Svirida, Zubayer Ahammed, R. Lednicky, M. J. LeVine, J. Balewski, T. Tarnowsky, Rashmi Raniwala, J. Sandweiss, P. Djawotho, J. F. Ross, T. Ullrich, Stephen V. Gliske, C. M. Du, H. S. Xu, H. G. Ritter, Shaobo Zhang, K. Yip, J. S. Wang, R. R. Debbe, Q. Y. Shou, I. Sakrejda, Y. Yang, L. Yi, Nilay Shah, R. Witt, J. K. Adkins, R. Fatemi, K. Krueger, S. Mioduszewski, Jana Bielcikova, J. A. Vanfossen, P. Sorensen, Donald M. McDonald, M. Cherney, K. S. Engle, Prithwish Tribedy, B. K. Srivastava, Hua Pei, L. Didenko, J. L. Drachenberg, S. K. Gupta, Olga Evdokimov, Barbara Antonina Trzeciak, P. Huck, Anthony Robert Timmins, Jay Roberts, Adam Ryszard Kisiel, E. C. Aschenauer, H. J. Crawford, William Axel Leight, P. V. Shanmuganathan, H. W. Ke, B. Di Ruzza, L. E. Dunkelberger, A. A. Derevschikov, Zhiming Li, Qinghua Xu, Maksym Zyzak, N. Schmitz, J. C. Webb, M. R. Girard, Wei Xie, E. W. Oldag, T. S. McShane, P. Bhattarai, A. Aparin, G. M.S. Vasconcelos, Matthew Walker, Y. J. Sun, C. Dilks, S. Kabana, Y. P. Viyogi, Y. Pandit, T. J. Humanic, R. Varma, E. Shahaliev, James Prewitt Hays-Wehle, B. S. Page, D. P. Kikola, B. Stringfellow, Y. F. Wu, Zhongbin Xu, J. L. Romero, E. Finch, and M. Calderon De La Barca Sanchez
Subjects: Physics, Quantum chromodynamics, Particle physics, Negative binomial distribution, General Physics and Astronomy, Sigma, Multiplicity (mathematics), Poisson distribution, Nuclear physics, symbols.namesake, Critical point (thermodynamics), Quark–gluon plasma, symbols, Kurtosis, Nuclear Experiment
Abstract: We report the first measurements of the moments-mean (M), variance (sigma(2)), skewness (S), and kurtosis (kappa)-of the net-charge multiplicity distributions at midrapidity in Au + Au collisions at seven energies, ranging from root s(NN) = 7.7 to 200 GeV, as a part of the Beam Energy Scan program at RHIC. The moments are related to the thermodynamic susceptibilities of net charge, and are sensitive to the location of the QCD critical point. We compare the products of the moments, sigma(2)/M, S sigma, and kappa sigma(2), with the expectations from Poisson and negative binomial distributions (NBDs). The S sigma values deviate from the Poisson baseline and are close to the NBD baseline, while the kappa sigma(2) values tend to lie between the two. Within the present uncertainties, our data do not show nonmonotonic behavior as a function of collision energy. These measurements provide a valuable tool to extract the freeze-out parameters in heavy-ion collisions by comparing with theoretical models.
Published: 2014

19. J/ψproduction at lowpTin Au + Au and Cu + Cu collisions atsNN=200GeV with the STAR detector

Author: B. Pawlik, C. D. Anson, J. W. Harris, A. Gibson, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, Radoslaw Antoni Kycia, Thorsten Sven Kollegger, D. Kalinkin, D. L. Olvitt, Basanta Kumar Nandi, T. P. Burton, P. Yepes, A. Davila Leyva, Y. Xu, P. Chaloupka, Z. J. Xu, S. Trentalange, S. Heppelmann, Jongmin Lee, I. G. Alekseev, R. L. Ray, Bedangadas Mohanty, A. Chikanian, T. S. McShane, P. Bhattarai, Madan M. Aggarwal, A. H. Tang, R. Vertesi, M. A. Lisa, Chen Yang, Y. F. Wu, L. Eun, R. S. Longacre, E. Sangaline, D. Arkhipkin, A. Hamed, Jay Roberts, Fuqiang Wang, Z. Chang, Xiangming Sun, F. Liu, Miroslav Simko, C. K. Riley, Li-Yi Chen, T. Ljubicic, Mariusz Przybycien, J. B. Zhang, D. D. Koetke, J. E. Draper, J. Engelage, I. Bunzarov, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, J. Novak, C. B. Powell, H. W. Ke, K. Poniatowska, M. Wada, M. Shao, Y. X. Pan, G. Van Buren, B. Haag, H. Caines, Sudhir Raniwala, S. Ramachandran, A. Quintero, G. Nigmatkulov, O. Eyser, J. Alford, W. Guryn, A. Vossen, N. Xu, S. K. Gupta, M. M. Mondal, P. Filip, I. Sakrejda, B. Di Ruzza, J. M. Landgraf, M. A.C. Lamont, L-X. Han, Y. Fisyak, S. Y. Noh, P. Pile, H. M. Spinka, G. D. Westfall, R. D. Majka, G. Igo, B. Sharma, Zebo Tang, L. Kotchenda, Y. J. Sun, H. Z. Huang, S. Vokal, J. Bouchet, F. Videbæk, G. Webb, Giacomo Contin, Nihar Sahoo, J. Fedorisin, Janusz Chwastowski, Michal Sumbera, W. Borowski, M. A. Szelezniak, K. Oh, Stephen V. Gliske, E. P. Sichtermann, N. K. Pruthi, J. L. Romero, J. Schambach, A. Banerjee, P. Huck, Lokesh Kumar, K. D. Landry, K. Kauder, H. Qiu, Leo Clifford Greiner, Vitaly Okorokov, R. Witt, Xiangyuan Cui, W. Christie, S. Mioduszewski, C. Dilks, M. Strikhanov, J. Konzer, Rashmi Raniwala, Jie Zhao, S. Horvat, Sukalyan Chattopadhyay, J. Butterworth, G. Eppley, M. Tokarev, Yang Yang, Anthony Robert Timmins, S. Kabana, Bernd Surrow, A. K. Bhati, D. Keane, Y. P. Viyogi, P. V. Shanmuganathan, Xin-Yuan Huang, Nikolai Smirnov, J. H. Thomas, Adam Ryszard Kisiel, S. Bültmann, Andrey Vasiliev, J. Sandweiss, P. Seyboth, Nasim, J. H. Chen, S. S. Shi, T. Pawlak, L. E. Dunkelberger, Donald M. McDonald, R. Stock, H. J. Crawford, C. Perkins, J. Pluta, M. K. Mustafa, Prithwish Tribedy, B. K. Srivastava, W. Zha, J. M. Nelson, Wei Xie, T. Ullrich, J. K. Adkins, L. G. Efimov, W. Li, Y. Li, A. A. Derevschikov, R. Fatemi, A. Aparin, G. M.S. Vasconcelos, S. W. Wissink, Q. H. Xu, A. Sarkar, J. G. Cramer, M. Calderon De La Barca Sanchez, D. A. Morozov, Leszek Adamczyk, L. Yi, H. G. Ritter, B. Huang, K. Krueger, Zhiming Li, Y. Zhang, Y. Pandit, D. P. Mahapatra, R. Derradi de Souza, T. K. Nayak, J. Xu, Rene Bellwied, J. A. Vanfossen, I. Koralt, N. Schmitz, Maksym Zyzak, N. Yu, W. B. Schmidke, S. Fazio, Kejun Kang, L. V. Nogach, Janet Elizabeth Seger, Yinina Ma, M. Lomnitz, E. Shahaliev, Y. H. Zhu, Nikola Poljak, T. D. S. Stanislaus, M. R. Girard, Wenbin Yan, C. A. Gagliardi, R. E. Tribble, Jian Deng, I. Kulakov, Anik Gupta, D. G. Underwood, J. C. Dunlop, Nilay Shah, Sumit R. Das, C. M. Du, Xuan Zhang, J. C. Webb, G. Van Nieuwenhuizen, Anju Bhasin, F. Ding, Zhigang Xiao, Yicheng Guo, G. Agakishiev, D. S. Gunarathne, Xiaofeng Luo, M. Cherney, H. S. Xu, K. S. Engle, Y. Panebratsev, Jorn Henning Putschke, Gerald W Hoffmann, D. R. Gangadharan, Zubayer Ahammed, Guo-Liang Ma, Xiaofeng Zhu, Hua Pei, E. W. Oldag, D. Grosnick, A. V. Brandin, Frank Jm Geurts, A. Lebedev, H. H. Wieman, T. J. Humanic, Jaroslav Bielcik, N. G. Minaev, Z. H. Khan, D. Cebra, K. Xin, Z. P. Zhang, Haiyan Wang, X. Li, Q. Y. Shou, G. Wang, A. S. Hirsch, P. Kravtsov, Jana Bielcikova, A. M. Schmah, Hanna Paulina Zbroszczyk, J. L. Zhang, R. Varma, J. Cheng, X. L. Wang, I. K. Yoo, B. S. Page, J. Rusnak, D. P. Kikola, A. F. Kraishan, T. J. M. Symons, C. Zhong, E. C. Aschenauer, S. Margetis, P. Sorensen, A. Kesich, B. Stringfellow, G. S. Averichev, O. V. Rogachevskiy, H. J. Jang, L. Ruan, A. Ogawa, L. C. De Silva, H. F. Chen, S. H. Zhang, R. Cendejas, R. Haque, X. Dong, Z. J. Sun, David Jonathan Hofman, D. R. Beavis, J. M. Campbell, J. Turnau, M. J.M. Codrington, H. Masui, O. D. Tsai, Amitava Roy, Justin Stevens, J. Porter, C. E. Flores, E. G. Judd, K. Yip, M. C. Cervantes, Ivan Kisel, J. S. Wang, D. Tlusty, I. G. Bordyuzhin, W. Q. Shen, L. Didenko, D. Solanki, R. R. Debbe, M. Vandenbroucke, A. M. Poskanzer, Z. Ye, T. G. Dedovich, Xiang Sun, J. Takahashi, Mirko Planinic, F. Zhao, S. B. Nurushev, D. Garand, W. J. Llope, Sevil Salur, Y. Wang, A. Kechechyan, M. J. Skoby, Pradip Kumar Sahu, A. Ohlson, L. C. Bland, C-Q. Li, R. P. Scharenberg, Christina Markert, S. G. Brovko, D. Smirnov, O. Rusnakova, H. S. Matis, D. N. Svirida, L. K. Kosarzewski, W. W. Jacobs, J. Lauret, R. Lednicky, T. Tarnowsky, P. Djawotho, and J. F. Ross
Subjects: Physics, Nuclear and High Energy Physics, chemistry.chemical_element, Modification factor, 7. Clean energy, Copper, Particle identification, Nuclear physics, chemistry, Transverse momentum, Quark–gluon plasma, Atomic physics, Relativistic Heavy Ion Collider, Hydrodynamic flow, STAR detector
Abstract: The J/ψ pT spectrum and nuclear modification factor (RAA) are reported for pT
Published: 2014

20. Dielectron Mass Spectra fromAu+AuCollisions atsNN=200 GeV

Author: Z. Barnovska, Nasim, Michal Sumbera, S. Bültmann, Wenbin Yan, S. W. Wissink, I. Sakrejda, Stephen V. Gliske, Zhigang Xiao, Jie Zhao, S. Horvat, A. Szanto de Toledo, Nikola Poljak, J. G. Cramer, H. Qiu, M. Tokarev, N. G. Minaev, I. Koralt, T. Pawlak, M. R. Girard, B. Pawlik, Wolfgang Korsch, Y. Yang, L. Yi, W. Zha, D. M.M.D. Madagodagettige Don, C. D. Anson, H. G. Ritter, D. R. Gangadharan, A. Sarkar, T. D. S. Stanislaus, J. L. Drachenberg, A. Gibson, Anju Bhasin, Kejun Kang, L. V. Nogach, Sumit R. Das, I. K. Yoo, R. Haque, Xiaofeng Zhu, E. W. Oldag, C. E. Flores, E. G. Judd, Nilay Shah, H. H. Wieman, Bedangadas Mohanty, N. Xu, P. Filip, Olga Evdokimov, Barbara Antonina Trzeciak, Basanta Kumar Nandi, A. Lebedev, David Jonathan Hofman, M. J.M. Codrington, H. Masui, G. Van Nieuwenhuizen, S. K. Gupta, B. Haag, R. S. Longacre, A. Ogawa, H. F. Chen, Xiaofeng Luo, X. L. Wang, C. Zhong, E. C. Aschenauer, S. Margetis, V. A. Okorokov, P. Huck, F. Ding, Y. Panebratsev, Zebo Tang, Janusz Chwastowski, K. Yip, Z. H. Khan, M. Wada, L. C. Bland, P. Pile, G. D. Westfall, Jay Roberts, T. J. Humanic, A. M. Poskanzer, Z. Ye, J. W. Harris, Guo-Liang Ma, D. G. Underwood, Z. P. Zhang, Xiangming Sun, R. A.N. Oliveira, X. Huang, S. Dhamija, J. S. Wang, R. R. Debbe, C. Perkins, Y. F. Wu, A. Chikanian, A. Sandacz, S. G. Brovko, Chi Yang, Anthony Robert Timmins, A. S. Hirsch, A. Kechechyan, P. Kravtsov, A. M. Schmah, D. Grosnick, X. Dong, S. K. Pal, Justin Stevens, C. K. Riley, Adam Ryszard Kisiel, H. W. Ke, J. Takahashi, R. Varma, S. B. Nurushev, Pradip Kumar Sahu, G. Igo, J. Novak, B. Sharma, L. Kotchenda, B. Di Ruzza, J. L. Zhang, H. J. Crawford, D. N. Svirida, A. Roy, X. Li, E. Sangaline, D. Arkhipkin, B. S. Page, D. P. Kikola, S. Fazio, J. Cheng, J. Engelage, T. J. M. Symons, L. C. De Silva, J. Bouchet, Anik Gupta, K. D. Landry, K. Kauder, Y. Zawisza, F. Videbæk, A. V. Brandin, A. Hamed, J. Rusnak, G. Webb, B. Stringfellow, T. S. McShane, P. Bhattarai, Sukalyan Chattopadhyay, Y. Guo, J. K. Adkins, Jongmin Lee, R. L. Ray, J. Butterworth, K. Xin, Frank Jm Geurts, R. Fatemi, Y. Fisyak, T. P. Burton, L. Ruan, R. Witt, K. Krueger, Xiangyuan Cui, W. Christie, P. Yepes, A. Davila Leyva, Jian Deng, J. Alford, S. Mioduszewski, J. M. Landgraf, K. Oh, P. R. Pujahari, P. V. Shanmuganathan, A. Kesich, Yifei Zhang, R. Cendejas, N. K. Pruthi, D. Tlusty, T. Ljubicic, I. G. Bordyuzhin, Mirko Planinic, Haiyan Wang, J. A. Vanfossen, Z. Chang, A. H. Tang, Donald M. McDonald, Y. J. Sun, W. Guryn, H. Caines, Sudhir Raniwala, Andrey Vasiliev, J. Turnau, Prithwish Tribedy, B. K. Srivastava, M. Strikhanov, S. H. Zhang, M. K. Mustafa, G. Agakishiev, Y. Xu, D. Solanki, C. Dilks, P. Chaloupka, A. Quintero, Li-Yi Chen, G. Eppley, S. Kabana, Y. P. Viyogi, J. Fedorisin, J. Konzer, D. Cebra, T. G. Dedovich, R. N. Singaraju, Janet Elizabeth Seger, L. E. Dunkelberger, Y. Li, G. Wang, S. Trentalange, I. Bunzarov, M. Cherney, K. S. Engle, Hua Pei, M. Shao, Y. X. Pan, G. Van Buren, J. C. Dunlop, Zubayer Ahammed, J. Pluta, J. Sandweiss, Alexandre Alarcon Do Passo Suaide, R. Vertesi, M. J. Skoby, W. Li, O. Hajkova, E. P. Sichtermann, Bernd Surrow, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, M. J. LeVine, F. Liu, B. Huang, Mariusz Przybycien, D. P. Mahapatra, Z. J. Sun, Rene Bellwied, Rashmi Raniwala, J. M. Nelson, Q. Y. Shou, Y. H. Zhu, Zhongbin Xu, L. M. Lima, R. E. Tribble, W. Peryt, A. A. Derevschikov, T. Ullrich, R. D. Majka, P. Seyboth, C-Q. Li, Gerald W Hoffmann, J. L. Romero, R. P. Scharenberg, Christina Markert, W. Borowski, C. M. Du, J. Schambach, N. R. Sahoo, Leszek Adamczyk, R. Derradi de Souza, H. S. Xu, Jana Bielcikova, I. Kulakov, E. Finch, P. Sorensen, A. K. Bhati, D. Keane, D. Smirnov, H. S. Matis, Lokesh Kumar, Wei Xie, A. Aparin, G. M.S. Vasconcelos, Y. Pandit, N. Schmitz, L. Didenko, E. Shahaliev, Zhiming Li, Qinghua Xu, Maksym Zyzak, Nikolai Smirnov, R. Stock, Marcelo Gameiro Munhoz, J. C. Webb, Radoslaw Antoni Kycia, W. W. Jacobs, J. Lauret, I. G. Alekseev, L. G. Efimov, T. K. Nayak, Donika Plyku, R. Lednicky, M. Calderon De La Barca Sanchez, M. A. Lisa, T. Tarnowsky, P. Djawotho, J. F. Ross, O. D. Tsai, W. B. Schmidke, M. C. Cervantes, W. Q. Shen, Xiang Sun, D. Garand, C. A. Gagliardi, Sevil Salur, Y. Wang, H. M. Spinka, A. Banerjee, M. Pachr, J. H. Thomas, H. Z. Huang, S. Vokal, U. G. Desouza, Jaroslav Bielcik, O. V. Rogachevskiy, H. J. Jang, Madan M. Aggarwal, Fuqiang Wang, J. H. Chen, S. S. Shi, G. S. Averichev, A. Vossen, J. Porter, Ivan Kisel, D. A. Morozov, Thorsten Sven Kollegger, D. Kalinkin, S. Heppelmann, L. Eun, J. B. Zhang, D. D. Koetke, J. E. Draper, S. Ramachandran, M. M. Mondal, W. J. Llope, A. Ohlson, Xuan Zhang, Hanna Paulina Zbroszczyk, D. R. Beavis, F. Zhao, M. A.C. Lamont, L-X. Han, S. Y. Noh, and Yu-Gang Ma
Subjects: Quantum chromodynamics, Physics, Particle physics, Meson, Hadron, General Physics and Astronomy, Super Proton Synchrotron, Nuclear physics, Yield (chemistry), Quark–gluon plasma, Mass spectrum, High Energy Physics::Experiment, Invariant mass, Nuclear Experiment
Abstract: We report the STAR measurements of dielectron (e(+)e(-)) production at midrapidity (|y(ee)
Published: 2014

21. Measurement of charge multiplicity asymmetry correlations in high-energy nucleus-nucleus collisions atsNN=200GeV

Author: F. Ding, S. Fazio, Y. Panebratsev, Jorn Henning Putschke, D. Grosnick, A. V. Brandin, I. Kulakov, C-Q. Li, G. Eppley, K. Xin, R. P. Scharenberg, Christina Markert, D. Smirnov, H. S. Matis, A. Kesich, A. Kechechyan, J. Pluta, R. Cendejas, Haiyan Wang, X. L. Wang, Bernd Surrow, R. S. Longacre, C. Zhong, E. C. Aschenauer, R. Witt, W. Li, Pradip Kumar Sahu, S. Margetis, B. Huang, W. W. Jacobs, X. Z. Cai, S. Mioduszewski, K. Yip, J. Lauret, J. S. Wang, W. J. Llope, Rene Bellwied, A. Chikanian, Y. H. Zhu, L. M. Lima, R. E. Tribble, R. R. Debbe, S. G. Steadman, J. K. Adkins, Donald M. McDonald, X. Dong, J. Engelage, R. Lednicky, T. Tarnowsky, J. Turnau, Thorsten Sven Kollegger, Prithwish Tribedy, B. K. Srivastava, P. R. Pujahari, C. B. Powell, P. Ostrowski, P. Djawotho, S. K. Pal, Justin Stevens, I. Sakrejda, G. Igo, Gerald W Hoffmann, Y. Yang, L. Yi, S. LaPointe, Nilay Shah, S. Heppelmann, Zhigang Xiao, Xiaofeng Luo, J. Novak, J. F. Ross, A. Ohlson, E. Sangaline, D. Arkhipkin, A. Hamed, M. Sharma, J. Seele, R. Fatemi, Michael Joseph Betancourt, B. Sharma, J. Bouchet, T. G. Dedovich, H. Qiu, K. Krueger, C. A. Gagliardi, M. Pachr, Guo-Liang Ma, K. D. Landry, K. Kauder, J. Butterworth, J. M. Landgraf, L. Eun, Jana Bielcikova, David Jonathan Hofman, J. C. Dunlop, L. Kotchenda, M. J.M. Codrington, H. Masui, O. D. Tsai, M. Tokarev, J. B. Zhang, D. D. Koetke, J. E. Draper, T. S. McShane, E. P. Sichtermann, J. A. Vanfossen, M. Elnimr, M. C. Cervantes, Z. P. Zhang, J. L. Romero, Zubayer Ahammed, M. J. LeVine, A. S. Hirsch, P. Sorensen, M. A.C. Lamont, L-X. Han, S. Ramachandran, M. Strikhanov, W. Xu, Wolfgang Korsch, B. Haag, P. Kravtsov, J. Porter, B. Pawlik, J. Konzer, A. Dion, N. Xu, P. Filip, J. Takahashi, Xiangming Sun, C. D. Anson, J. Balewski, A. M. Schmah, M. M. Mondal, Q. Y. Shou, M. Naglis, Rashmi Raniwala, Q. H. Xu, A. Gibson, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, I. Selyuzhenkov, T. D. S. Stanislaus, J. Sandweiss, M. Shao, Y. X. Pan, G. Van Buren, Stephen V. Gliske, E. Finch, Xiaofeng Zhu, D. Garand, H. Z. Huang, S. Vokal, T. Ullrich, Basanta Kumar Nandi, R. N. Singaraju, M. Zyzak, Sevil Salur, Y. Wang, Jay Roberts, Anju Bhasin, P. Pile, G. D. Westfall, R. P. Redwine, S. S. Shi, M. Cherney, M. K. Mustafa, Lokesh Kumar, Nasim, Bedangadas Mohanty, C. M. Du, H. S. Xu, H. W. Ke, V. A. Okorokov, L. Didenko, H. H. Wieman, Zebo Tang, Janusz Chwastowski, A. Ogawa, H. F. Chen, J. Kiryluk, J. H. Chen, A. Lebedev, J. M. Nelson, Y. Li, Alexandre Alarcon Do Passo Suaide, W. Peryt, F. Videbæk, G. Webb, Sukalyan Chattopadhyay, N. K. Pruthi, Madan M. Aggarwal, Fuqiang Wang, D. Tlusty, I. G. Bordyuzhin, Jongmin Lee, P. Chung, R. G. Fersch, L. H. Tarini, Yu-Gang Ma, Mirko Planinic, Wei Xie, William Axel Leight, R. L. Ray, A. K. Bhati, D. Keane, J. W. Harris, S. Dhamija, D. P. Mahapatra, T. P. Burton, H. Pei, Nikolai Smirnov, R. Stock, P. Yepes, L. G. Efimov, Y. J. Sun, A. Davila Leyva, G. M.S. Vasconcelos, M. Wada, T. Ljubicic, Xuan Zhang, L. E. Dunkelberger, C. Perkins, S. K. Gupta, Chitrasen Jena, H. G. Ritter, Y. N. Gorbunov, A. H. Tang, L. Koroleva, O. Hajkova, D. M.M.D. Madagodagettige Don, Y. Pandit, T. K. Nayak, S. Kabana, Y. P. Viyogi, H. Caines, Sudhir Raniwala, D. L. Olson, Hanna Paulina Zbroszczyk, N. Schmitz, Xiangyuan Cui, W. Christie, Y. P. Lu, E. Shahaliev, Y. Xu, T. J. Humanic, D. R. Beavis, I. Koralt, D. R. Gangadharan, P. Chaloupka, I. Bunzarov, Z. J. Xu, A. Vossen, P. Huck, Kejun Kang, L. V. Nogach, Sumit R. Das, X. Li, Anik Gupta, B. Morozov, Janet Elizabeth Seger, S. Trentalange, Y. F. Wu, L. C. Bland, G. Van Nieuwenhuizen, E. Flores, F. Zhao, Anthony Robert Timmins, Adam Ryszard Kisiel, A. Sandacz, R. Varma, James Prewitt Hays-Wehle, B. S. Page, F. Liu, Mariusz Przybycien, Frank Jm Geurts, M. Calderon De La Barca Sanchez, S. G. Brovko, D. P. Kikola, B. Stringfellow, H. J. Crawford, Z. Chang, M. C. Suarez, D. N. Svirida, A. Luszczak, J. Rusnak, Elena Bruna, Zhiming Li, R. D. Majka, I. K. Yoo, Li-Yi Chen, Jifa Tian, J. Y. Chen, W. Borowski, J. Schambach, J. G. Cramer, I. Kisel, C. A. Whitten, D. Solanki, S. H. Zhang, E. W. Oldag, B. Schmidke, M. J. Skoby, Jaroslav Bielcik, L. Ruan, R. Corliss, J. C. Webb, O. V. Rogachevskiy, M. Zawisza, H. M. Spinka, L. Xue, E. G. Judd, A. Banerjee, H. Bichsel, G. Odyniec, Z. Barnovska, Y. Zoulkarneeva, V. A. Kizka, J. H. Thomas, U. G. Desouza, Michal Sumbera, S. Bültmann, Q. Wang, S. W. Wissink, G. S. Averichev, N. R. Sahoo, Y. Zhang, T. R. Schuster, Nikola Poljak, Jian Deng, G. Agakishiev, D. Cebra, Marcelo Gameiro Munhoz, I. G. Alekseev, M. A. Lisa, P. Seyboth, Leszek Adamczyk, R. Derradi de Souza, Z. J. Sun, R. A.N. Oliveira, C. K. Riley, Y. Fisyak, K. Oh, J. Alford, W. Guryn, O. G. Grebenyuk, J. Fedorisin, Jie Zhao, S. Horvat, A. Szanto de Toledo, J. Kapitan, M. K. Mitrovski, T. Pawlak, Y. Mohammed, A. V. Alakhverdyants, A. Sarkar, Russell Richard Betts, D. G. Underwood, J. Cheng, T. J. M. Symons, and L. C. De Silva
Subjects: Physics, Nuclear and High Energy Physics, media_common.quotation_subject, Elliptic flow, Statistical fluctuations, Asymmetry, Azimuth, Nuclear physics, medicine.anatomical_structure, Deuterium, Quark–gluon plasma, medicine, High Energy Physics::Experiment, Multiplicity (chemistry), Nuclear Experiment, Nucleus, media_common
Abstract: A study is reported of the same-and opposite-sign charge-dependent azimuthal correlations with respect to the event plane in Au+ Au collisions at root(S)(NN) = 200 GeV. The charge multiplicity asymmetries between the up/down and left/right hemispheres relative to the event plane are utilized. The contributions from statistical fluctuations and detector effects were subtracted from the (co-) variance of the observed charge multiplicity asymmetries. In the mid-to most-central collisions, the same- (opposite-) sign pairs are preferentially emitted in back-to-back (aligned on the same-side) directions. The charge separation across the event plane, measured by the difference, Delta, between the like-and unlike-sign up/down-left/right correlations, is largest near the event plane. The difference is found to be proportional to the event-by-event final-state particle ellipticity (via the observed second order harmonic nu(obs)(2)), where Delta = [ 1.3 +/- 1.4( stat)(-1.0)(+4.0)(syst)] x 10(-5) + [3.2 +/- 0.2(stat)(- 0.3)(+0.4)(syst)] x 10(-3)v(2)(obs) for 20- 40% Au + Au collisions. The implications for the proposed chiral magnetic effect are discussed.
Published: 2014

22. Event-plane-dependent dihadron correlations with harmonicvnsubtraction in Au + Au collisions atsNN=200GeV

Author: V. A. Kizka, J. H. Thomas, L. K. Mangotra, Jorn Henning Putschke, B. Haag, R. Manweiler, Hongfang Liu, A. V. Brandin, A. M. Poskanzer, Ermes Braidot, D. Kettler, Adam Ryszard Kisiel, Zebo Tang, P. Seyboth, X. Li, A. Kechechyan, Andre Mischke, G. S. Averichev, H. J. Crawford, Z. Chajecki, J. Rusnak, V. Fine, J. G. Cramer, M. Krus, R. Cendejas, R. Derradi de Souza, T. P. Burton, D. Cebra, M. Estienne, C. A. Whitten, Feng Jin, L. Ruan, P. R. Pujahari, C. B. Powell, H. Agakishiev, F. Videbæk, I. Selyuzhenkov, C. Perkins, E. V. Lukashov, T. Peitzmann, Jake Y. Chen, J. Engelage, D. Thein, R. Corliss, I. K. Yoo, L. Kotchenda, J. Alford, Marcelo Gameiro Munhoz, H. Z. Huang, G. Webb, S. Vokal, Xiangming Sun, D. J. Prindle, Nirbhay Kumar Behera, H. G. Ritter, M. J. M. Codrington, E. W. Oldag, A. Bridgeman, Zhiming Li, Sukalyan Chattopadhyay, I. G. Alekseev, Donika Plyku, O. D. Tsai, L. H. Tarini, W. Guryn, Bernd Surrow, M. A. Lisa, B. Huang, Anik Gupta, R. Fatemi, Michael Joseph Betancourt, R. Bellwied, T. S. McShane, A. Geromitsos, Premomoy Ghosh, J. M. Landgraf, L. Koroleva, M. Tokarev, M. Elnimr, M. C. Cervantes, H. Pei, O. G. Grebenyuk, G. Wang, K. Yip, J. S. Wang, P. Chung, D. R. Gangadharan, M. J. Skoby, Frank Jm Geurts, B. D. Anderson, E. G. Judd, K. Krueger, R. R. Debbe, Wei Xie, Y. Xu, P. Chaloupka, M. Strikhanov, J. C. Webb, J. Fedorisin, Chitrasen Jena, C. D. Anson, J. A. Vanfossen, Jongmin Lee, N. K. Pruthi, Matthew Walker, Z. J. Xu, A. G. Knospe, S. G. Steadman, Jifa Tian, D. Staszak, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, Y. Li, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, Y. P. Lu, J. Konzer, J. Kiryluk, S. Trentalange, Ki-Seok Choi, J. H. Chen, J. Joseph, G. M.S. Vasconcelos, Bedangadas Mohanty, Zhigang Xiao, M. Sharma, Z. J. Sun, A. Chikanian, S. H. Zhang, G. Eppley, W. Zhou, Shingo Sakai, J. Pluta, Pawan Kumar Netrakanti, Q. Wang, T. D. S. Stanislaus, D. P. Mahapatra, J. Sandweiss, Y. Pandit, V. N. Tram, Y. J. Sun, I. Koralt, I. Sakrejda, T. Ljubicic, Kejun Kang, M. Cherney, L. V. Nogach, N. Schmitz, H. H. Wieman, R. G. Fersch, Mateusz Andrzej Ploskon, R. Witt, M. Zawisza, H. M. Spinka, H. W. Ke, N. G. Minaev, M. Calderon De La Barca Sanchez, W. Li, D. A. Morozov, Lokesh Kumar, Jie Zhao, N. R. Sahoo, T. R. Schuster, Y. H. Zhu, R. E. Tribble, A. Szanto de Toledo, S. Mioduszewski, E. Shahaliev, G. Van Nieuwenhuizen, L. C. Bland, Jana Bielcikova, Y. Yang, P. Kurnadi, M. Wada, E. Sangaline, D. Arkhipkin, A. Hamed, Haiyan Wang, S. Kabana, Y. P. Viyogi, S. LaPointe, N. Li, H. Caines, Sudhir Raniwala, W. Xu, A. Gordon, J. Kapitan, Gerald W Hoffmann, A. R. Timmins, S. M. Dogra, S. Bueltmann, C. A. Gagliardi, Hao Qiu, T. Pawlak, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, Wolfgang Korsch, S. G. Brovko, E. Hjort, W. Witzke, A. V. Alakhverdyants, T. J. Humanic, A. Sarkar, N. Xu, J. L. Drachenberg, M. C. Suarez, D. N. Svirida, P. Filip, Y. F. Wu, Olga Evdokimov, Thorsten Sven Kollegger, Russell Richard Betts, M. Pachr, D. G. Underwood, Elena Bruna, A. Feng, Xiaofeng Zhu, Jay Roberts, M. Naglis, T. G. Dedovich, Michal Sumbera, T. Sakuma, L. Didenko, X. L. Wang, S. Heppelmann, X. Z. Cai, R. Varma, P. Pile, G. D. Westfall, S. C. Phatak, Basanta Kumar Nandi, Y. Fisyak, K. Oh, J. Cheng, A. Ogawa, H. F. Chen, T. J. M. Symons, William Axel Leight, D. D. Koetke, J. E. Draper, L. C. De Silva, James Prewitt Hays-Wehle, S. W. Wissink, Yu A. Matulenko, B. Biritz, C. Zhong, V. A. Okorokov, Madan M. Aggarwal, J. C. Dunlop, B. S. Page, Fuqiang Wang, D. P. Kikola, B. Stringfellow, S. Dash, C-Q. Li, Zubayer Ahammed, M. J. LeVine, Nikola Poljak, R. P. Scharenberg, Christina Markert, N. L. Subba, S. Margetis, J. L. Romero, M. K. Mitrovski, D. L. Olson, H. S. Matis, Q. Y. Shou, W. W. Jacobs, A. A. Derevschikov, E. Finch, X. Dong, J. Lauret, David Jonathan Hofman, H. Masui, R. Lednicky, T. Tarnowsky, P. Djawotho, S. K. Pal, Justin Stevens, D. Tlusty, Mirko Planinic, E. P. Sichtermann, Y. N. Gorbunov, J. Balewski, Rashmi Raniwala, O. Hajkova, Peter Martin Jacobs, J. W. Harris, T. Ullrich, J. Takahashi, R. Zoulkarneev, H. S. Xu, L. Eun, S. B. Nurushev, W. L. Zhan, Frank Simon, M. Shao, G. Van Buren, P. Yepes, A. Davila Leyva, X. G. Luo, M. Heinz, Jaroslav Bielcik, S. S. Shi, A. H. Tang, Jie Zhang, I. Bunzarov, W. Peryt, O. V. Rogachevskiy, L. Li, J. Seele, Mitali Mondal, W. A. Love, L. Xue, Li-Zhu Chen, O. I. Mall, M. A.C. Lamont, L-X. Han, Anju Bhasin, R. P. Redwine, B. V.K.S. Potukuchi, Yu-Gang Ma, A. Lebedev, W. J. Llope, Ross Milner, F. Liu, A. Ohlson, R. D. Majka, W. Borowski, Guo-Liang Ma, J. Schambach, R. S. Longacre, W. Christie, W. M. Zhang, Z. P. Zhang, A. S. Hirsch, P. Kravtsov, A. M. Schmah, Andrey Vasiliev, Xuan Zhang, B. Morozov, Janet Elizabeth Seger, Jie Liu, G. Igo, Hanna Paulina Zbroszczyk, D. R. Beavis, J. Bouchet, K. Kauder, Andrew Rose, Q. H. Xu, R. N. Singaraju, L. Huo, A. P. Meschanin, Sevil Salur, Y. Wang, Y. Panebratsev, D. Grosnick, V. Kouchpil, Yi Zhang, Rolf K. Reed, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, L. G. Efimov, and T. K. Nayak
Subjects: Quantum chromodynamics, Physics, Azimuth, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Plane (geometry), Elliptic flow, Quark–gluon plasma, Harmonic, Nuclear Experiment, Jet quenching, Lambda
Abstract: STAR measurements of dihadron azimuthal correlations (Lambda phi) are reported in midcentral (20-60%) Au + Au collisions at v root sNN = 200 GeV as a function of the trigger particle's azimuthal angle relative to the event plane, phi(s) = | phi(1) -psi(EP)|. The elliptic (v(2)), triangular (v(3)), and quadratic (v(4)) flow harmonic backgrounds are subtracted using the zero yield at mini + Au collisions. It is found that a finite near-side (| Delta phi | pi/2) correlation shows a modification from d+ Au data, varying with fs. The modification may be a consequence of path-length-dependent jet quenching and may lead to a better understanding of high-density QCD.
Published: 2014

23. Dielectron mass spectra from Au+Au collisions at √[s(NN)]=200 GeV

Author: L, Adamczyk, J K, Adkins, G, Agakishiev, M M, Aggarwal, Z, Ahammed, I, Alekseev, J, Alford, C D, Anson, A, Aparin, D, Arkhipkin, E C, Aschenauer, G S, Averichev, A, Banerjee, Z, Barnovska, D R, Beavis, R, Bellwied, A, Bhasin, A K, Bhati, P, Bhattarai, H, Bichsel, J, Bielcik, J, Bielcikova, L C, Bland, I G, Bordyuzhin, W, Borowski, J, Bouchet, A V, Brandin, S G, Brovko, S, Bültmann, I, Bunzarov, T P, Burton, J, Butterworth, H, Caines, M, Calderón de la Barca Sánchez, D, Cebra, R, Cendejas, M C, Cervantes, P, Chaloupka, Z, Chang, S, Chattopadhyay, H F, Chen, J H, Chen, L, Chen, J, Cheng, M, Cherney, A, Chikanian, W, Christie, J, Chwastowski, M J M, Codrington, J G, Cramer, H J, Crawford, X, Cui, S, Das, A, Davila Leyva, L C, De Silva, R R, Debbe, T G, Dedovich, J, Deng, A A, Derevschikov, R, Derradi de Souza, S, Dhamija, B, di Ruzza, L, Didenko, C, Dilks, F, Ding, P, Djawotho, X, Dong, J L, Drachenberg, J E, Draper, C M, Du, L E, Dunkelberger, J C, Dunlop, L G, Efimov, J, Engelage, K S, Engle, G, Eppley, L, Eun, O, Evdokimov, R, Fatemi, S, Fazio, J, Fedorisin, P, Filip, E, Finch, Y, Fisyak, C E, Flores, C A, Gagliardi, D R, Gangadharan, D, Garand, F, Geurts, A, Gibson, M, Girard, S, Gliske, D, Grosnick, Y, Guo, A, Gupta, S, Gupta, W, Guryn, B, Haag, O, Hajkova, A, Hamed, L-X, Han, R, Haque, J W, Harris, S, Heppelmann, A, Hirsch, G W, Hoffmann, D J, Hofman, S, Horvat, B, Huang, H Z, Huang, X, Huang, P, Huck, T J, Humanic, G, Igo, W W, Jacobs, H, Jang, E G, Judd, S, Kabana, D, Kalinkin, K, Kang, K, Kauder, H W, Ke, D, Keane, A, Kechechyan, A, Kesich, Z H, Khan, D P, Kikola, I, Kisel, A, Kisiel, D D, Koetke, T, Kollegger, J, Konzer, I, Koralt, W, Korsch, L, Kotchenda, P, Kravtsov, K, Krueger, I, Kulakov, L, Kumar, R A, Kycia, M A C, Lamont, J M, Landgraf, K D, Landry, J, Lauret, A, Lebedev, R, Lednicky, J H, Lee, M J, LeVine, C, Li, W, Li, X, Li, Y, Li, Z M, Li, L M, Lima, M A, Lisa, F, Liu, T, Ljubicic, W J, Llope, R S, Longacre, X, Luo, G L, Ma, Y G, Ma, D M M D, Madagodagettige Don, D P, Mahapatra, R, Majka, S, Margetis, C, Markert, H, Masui, H S, Matis, D, McDonald, T S, McShane, N G, Minaev, S, Mioduszewski, B, Mohanty, M M, Mondal, D A, Morozov, M G, Munhoz, M K, Mustafa, B K, Nandi, Md, Nasim, T K, Nayak, J M, Nelson, L V, Nogach, S Y, Noh, J, Novak, S B, Nurushev, G, Odyniec, A, Ogawa, K, Oh, A, Ohlson, V, Okorokov, E W, Oldag, R A N, Oliveira, M, Pachr, B S, Page, S K, Pal, Y X, Pan, Y, Pandit, Y, Panebratsev, T, Pawlak, B, Pawlik, H, Pei, C, Perkins, W, Peryt, P, Pile, M, Planinic, J, Pluta, D, Plyku, N, Poljak, J, Porter, A M, Poskanzer, N K, Pruthi, M, Przybycien, P R, Pujahari, H, Qiu, A, Quintero, S, Ramachandran, R, Raniwala, S, Raniwala, R L, Ray, C K, Riley, H G, Ritter, J B, Roberts, O V, Rogachevskiy, J L, Romero, J F, Ross, A, Roy, L, Ruan, J, Rusnak, N R, Sahoo, P K, Sahu, I, Sakrejda, S, Salur, A, Sandacz, J, Sandweiss, E, Sangaline, A, Sarkar, J, Schambach, R P, Scharenberg, A M, Schmah, W B, Schmidke, N, Schmitz, J, Seger, P, Seyboth, N, Shah, E, Shahaliev, P V, Shanmuganathan, M, Shao, B, Sharma, W Q, Shen, S S, Shi, Q Y, Shou, E P, Sichtermann, R N, Singaraju, M J, Skoby, D, Smirnov, N, Smirnov, D, Solanki, P, Sorensen, U G, deSouza, H M, Spinka, B, Srivastava, T D S, Stanislaus, J R, Stevens, R, Stock, M, Strikhanov, B, Stringfellow, A A P, Suaide, M, Sumbera, X, Sun, X M, Sun, Y, Sun, Z, Sun, B, Surrow, D N, Svirida, T J M, Symons, A, Szanto de Toledo, J, Takahashi, A H, Tang, Z, Tang, T, Tarnowsky, J H, Thomas, A R, Timmins, D, Tlusty, M, Tokarev, S, Trentalange, R E, Tribble, P, Tribedy, B A, Trzeciak, O D, Tsai, J, Turnau, T, Ullrich, D G, Underwood, G, Van Buren, G, van Nieuwenhuizen, J A, Vanfossen, R, Varma, G M S, Vasconcelos, A N, Vasiliev, R, Vertesi, F, Videbæk, Y P, Viyogi, S, Vokal, A, Vossen, M, Wada, F, Wang, G, Wang, H, Wang, J S, Wang, X L, Wang, Y, Wang, G, Webb, J C, Webb, G D, Westfall, H, Wieman, S W, Wissink, R, Witt, Y F, Wu, Z, Xiao, W, Xie, K, Xin, H, Xu, N, Xu, Q H, Xu, Y, Xu, Z, Xu, W, Yan, C, Yang, Y, Yang, Z, Ye, P, Yepes, L, Yi, K, Yip, I-K, Yoo, Y, Zawisza, H, Zbroszczyk, W, Zha, J B, Zhang, J L, Zhang, S, Zhang, X P, Zhang, Y, Zhang, Z P, Zhang, F, Zhao, J, Zhao, C, Zhong, X, Zhu, Y H, Zhu, Y, Zoulkarneeva, and M, Zyzak
Abstract: We report the STAR measurements of dielectron (e(+)e(-)) production at midrapidity (|y(ee)|1) in Au+Au collisions at √[s(NN)]=200 GeV. The measurements are evaluated in different invariant mass regions with a focus on 0.30-0.76 (ρ-like), 0.76-0.80 (ω-like), and 0.98-1.05 (ϕ-like) GeV/c(2). The spectrum in the ω-like and ϕ-like regions can be well described by the hadronic cocktail simulation. In the ρ-like region, however, the vacuum ρ spectral function cannot describe the shape of the dielectron excess. In this range, an enhancement of 1.77±0.11(stat)±0.24(syst)±0.33(cocktail) is determined with respect to the hadronic cocktail simulation that excludes the ρ meson. The excess yield in the ρ-like region increases with the number of collision participants faster than the ω and ϕ yields. Theoretical models with broadened ρ contributions through interactions with constituents in the hot QCD medium provide a consistent description of the dilepton mass spectra for the measurement presented here and the earlier data at the Super Proton Synchrotron energies.
Published: 2013

24. Fluctuations of charge separation perpendicular to the event plane and local parity violation insNN=200GeV Au + Au collisions at the BNL Relativistic Heavy Ion Collider

Author: P. Seyboth, H. Bichsel, Leszek Adamczyk, R. Derradi de Souza, G. Odyniec, R. A.N. Oliveira, C. K. Riley, Y. Fisyak, K. Oh, T. S. McShane, Y. Zoulkarneeva, P. Bhattarai, Sergey Voloshin, Z. J. Sun, Amitava Roy, Y. F. Wu, X. L. Wang, C. Zhong, Q. Wang, E. C. Aschenauer, N. R. Sahoo, T. R. Schuster, O. D. Tsai, T. P. Burton, H. Z. Huang, S. Vokal, S. Margetis, M. Elnimr, M. C. Cervantes, W. Q. Shen, K. Yip, X. Dong, C. D. Anson, L. Kotchenda, Matthew Walker, Madan M. Aggarwal, J. Engelage, J. Porter, S. K. Pal, Justin Stevens, J. W. Harris, Anik Gupta, W. J. Llope, L. C. Bland, J. S. Wang, P. R. Pujahari, C. B. Powell, Jongmin Lee, D. Garand, A. Dion, Y. J. Sun, Sevil Salur, Y. Wang, R. L. Ray, J. Alford, R. Vertesi, J. L. Romero, R. R. Debbe, Y. Zawisza, Fuqiang Wang, Frank Jm Geurts, Jian Deng, D. Tlusty, C. Dilks, Y. Xu, J. Kiryluk, J. H. Chen, Xiaofeng Luo, P. Chaloupka, L. H. Tarini, Z. J. Xu, G. Agakishiev, T. Ljubicic, I. Koralt, Bedangadas Mohanty, R. S. Longacre, I. G. Bordyuzhin, Mirko Planinic, G. Eppley, W. Guryn, D. Cebra, A. Sandacz, H. Caines, Sudhir Raniwala, E. Finch, S. Trentalange, J. K. Adkins, S. Kabana, A. K. Bhati, D. Keane, Y. P. Viyogi, N. Xu, P. Filip, A. Ohlson, F. Liu, Nikolai Smirnov, R. Fatemi, Michael Joseph Betancourt, R. Stock, A. Chikanian, R. Haque, J. M. Landgraf, Guo-Liang Ma, E. P. Sichtermann, Kejun Kang, L. V. Nogach, Mariusz Przybycien, Sumit R. Das, O. G. Grebenyuk, L. G. Efimov, S. G. Brovko, Chi Yang, A. M. Poskanzer, J. Balewski, Rashmi Raniwala, T. K. Nayak, Claude Andre Pruneau, P. Yepes, A. Davila Leyva, M. Strikhanov, Thorsten Sven Kollegger, F. Ding, J. Konzer, G. Van Nieuwenhuizen, J. Fedorisin, K. Krueger, P. Chung, E. Sangaline, D. Arkhipkin, A. Hamed, J. G. Cramer, M. C. Suarez, P. Pile, G. D. Westfall, Y. Panebratsev, D. Grosnick, O. Hajkova, D. N. Svirida, T. Ullrich, S. Heppelmann, A. Kechechyan, Marcelo Gameiro Munhoz, R. G. Fersch, M. A.C. Lamont, J. Pluta, Wei Xie, S. H. Zhang, Z. P. Zhang, L-X. Han, B. Haag, M. K. Mustafa, Y. Li, J. A. Vanfossen, Pradip Kumar Sahu, L. Eun, A. S. Hirsch, A. H. Tang, J. Sandweiss, R. D. Majka, P. Kravtsov, A. Aparin, C. M. Du, H. S. Xu, Radoslaw Antoni Kycia, Alexandre Alarcon Do Passo Suaide, W. Li, Nasim, D. P. Mahapatra, I. G. Alekseev, Donika Plyku, M. A. Lisa, M. Wada, I. Bunzarov, G. M.S. Vasconcelos, C-Q. Li, Y. Pandit, Jana Bielcikova, Z. Chang, Li-Yi Chen, G. Igo, J. Novak, B. Sharma, B. Pawlik, J. Bouchet, J. B. Zhang, B. Huang, A. M. Schmah, Jie Zhao, Yu-Gang Ma, S. Horvat, A. Szanto de Toledo, N. Schmitz, D. Solanki, Zebo Tang, Janusz Chwastowski, K. D. Landry, A. Vossen, K. Kauder, H. Qiu, M. Tokarev, D. D. Koetke, J. E. Draper, S. Ramachandran, E. W. Oldag, J. Y. Chen, W. Borowski, J. Schambach, M. M. Mondal, David Jonathan Hofman, E. Shahaliev, P. Sorensen, B. Schmidke, J. Butterworth, Rene Bellwied, M. J.M. Codrington, H. Masui, R. P. Scharenberg, Christina Markert, D. Smirnov, H. S. Matis, M. Naglis, A. Gibson, Anju Bhasin, Xuan Zhang, I. Sakrejda, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, Basanta Kumar Nandi, M. Cherney, K. S. Engle, Lokesh Kumar, Hua Pei, Y. Yang, S. Dhamija, L. Yi, M. K. Mitrovski, Z. Barnovska, C. Perkins, S. LaPointe, T. Pawlak, H. M. Spinka, Y. H. Zhu, I. Kisel, M. J. Skoby, T. J. Humanic, Hanna Paulina Zbroszczyk, L. M. Lima, R. E. Tribble, Y. Mohammed, W. W. Jacobs, A. Banerjee, Michal Sumbera, D. R. Beavis, Nilay Shah, J. Turnau, W. Zha, T. D. S. Stanislaus, Jorn Henning Putschke, Q. H. Xu, A. Sarkar, J. H. Thomas, V. A. Okorokov, H. H. Wieman, S. Bültmann, U. G. Desouza, J. Lauret, A. V. Brandin, Russell Richard Betts, T. G. Dedovich, Zhigang Xiao, Yicheng Guo, R. Varma, M. Sharma, F. Zhao, Jaroslav Bielcik, James Prewitt Hays-Wehle, B. S. Page, D. G. Underwood, S. K. Gupta, Gerald W Hoffmann, A. Lebedev, S. W. Wissink, L. Didenko, Y. Zhang, K. Xin, R. Lednicky, D. P. Kikola, Nikola Poljak, J. Cheng, T. J. M. Symons, B. Stringfellow, L. C. De Silva, Elena Bruna, J. Takahashi, X. Li, Zhiming Li, T. Tarnowsky, P. Djawotho, R. N. Singaraju, J. Rusnak, G. S. Averichev, O. V. Rogachevskiy, P. Huck, M. Calderon De La Barca Sanchez, A. Kesich, F. Videbæk, L. Ruan, G. Webb, J. F. Ross, R. Cendejas, I. K. Yoo, Xiangming Sun, R. Corliss, W. Yan, Sukalyan Chattopadhyay, M. Shao, Y. X. Pan, G. Van Buren, Anthony Robert Timmins, J. C. Webb, Adam Ryszard Kisiel, C. E. Flores, E. G. Judd, S. S. Shi, Chitrasen Jena, H. J. Crawford, W. Xu, M. Zyzak, Bernd Surrow, Wolfgang Korsch, J. M. Nelson, Xiaofeng Zhu, W. Peryt, S. Fazio, A. Ogawa, H. F. Chen, C. A. Gagliardi, I. Kulakov, M. Pachr, N. K. Pruthi, William Axel Leight, Haiyan Wang, L. E. Dunkelberger, D. L. Olson, Xiangyuan Cui, W. Christie, Janet Elizabeth Seger, Stephen V. Gliske, H. G. Ritter, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, Jay Roberts, H. W. Ke, B. Di Ruzza, R. Witt, S. Mioduszewski, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, J. C. Dunlop, Zubayer Ahammed, M. J. LeVine, Q. Y. Shou, and G. Wang
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Charge separation, Collective motion, Parity (physics), 01 natural sciences, Nuclear physics, 0103 physical sciences, Perpendicular, Momentum conservation, 010306 general physics, Relativistic Heavy Ion Collider, STAR detector
Abstract: Previous experimental results based on data (∼15×106 events) collected by the STAR detector at the BNL Relativistic Heavy Ion Collider suggest event-by-event charge-separation fluctuations perpendicular to the event plane in noncentral heavy-ion collisions. Here we present the correlator previously used split into its two component parts to reveal correlations parallel and perpendicular to the event plane. The results are from a high-statistics 200-GeV Au + Au collisions data set (57×106 events) collected by the STAR experiment. We explicitly count units of charge separation from which we find clear evidence for more charge-separation fluctuations perpendicular than parallel to the event plane. We also employ a modified correlator to study the possible P-even background in same- and opposite-charge correlations, and find that the P-even background may largely be explained by momentum conservation and collective motion. © 2013 American Physical Society.
Published: 2013

25. Freeze-out dynamics via charged kaon femtoscopy insNN=200GeV central Au + Au collisions

Author: L. Adamczyk, J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, C. D. Anson, A. Aparin, D. Arkhipkin, E. Aschenauer, G. S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, null Bhattarai, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, A. V. Brandin, S. G. Brovko, E. Bruna, S. Bültmann, I. Bunzarov, T. P. Burton, J. Butterworth, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, S. Das, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, B. di Ruzza, L. Didenko, null Dilks, F. Ding, A. Dion, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, L. E. Dunkelberger, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, K. S. Engle, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, Y. Fisyak, C. E. Flores, C. A. Gagliardi, D. R. Gangadharan, D. Garand, F. Geurts, A. Gibson, S. Gliske, O. G. Grebenyuk, D. Grosnick, Y. Guo, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, R. Haque, J. W. Harris, J. P. Hays-Wehle, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, S. Horvat, B. Huang, H. Z. Huang, P. Huck, T. J. Humanic, G. Igo, W. W. Jacobs, C. Jena, E. G. Judd, S. Kabana, K. Kang, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, A. Kesich, D. P. Kikola, J. Kiryluk, I. Kisel, A. Kisiel, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, R. A. Kycia, M. A. C. Lamont, J. M. Landgraf, K. D. Landry, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, X. Luo, G. L. Ma, Y. G. Ma, D. M. M. D. Madagodagettige Don, D. P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, Md. Nasim, T. K. Nayak, J. M. Nelson, L. V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, C. Pruneau, N. K. Pruthi, M. Przybycien, P. R. Pujahari, J. Putschke, H. Qiu, S. Ramachandran, R. Raniwala, S. Raniwala, R. L. Ray, C. K. Riley, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, J. F. Ross, A. Roy, L. Ruan, J. Rusnak, N. R. Sahoo, P. K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, B. Schmidke, N. Schmitz, T. R. Schuster, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, W. Q. Shen, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, R. N. Singaraju, M. J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, J. H. Thomas, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, J. Turnau, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, R. Vertesi, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, A. Vossen, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, H. Wieman, S. W. Wissink, R. Witt, Y. F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, null Yan, C. Yang, Y. Yang, P. Yepes, L. Yi, K. Yip, I-K. Yoo, Y. Zawisza, H. Zbroszczyk, W. Zha, J. B. Zhang, S. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, Source function, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Nuclear Theory, Resonance, Bose–Einstein correlations, 01 natural sciences, Nuclear physics, Pion, Correlation function, 0103 physical sciences, Quark–gluon plasma, Transverse mass, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Scaling
Abstract: We present measurements of three-dimensional correlation functions of like-sign, low-transverse-momentum kaon pairs from root sNN = 200 GeV Au + Au collisions. A Cartesian surface-spherical harmonic decomposition technique was used to extract the kaon source function. The latter was found to have a three-dimensional Gaussian shape and can be adequately reproduced by Therminator event-generator simulations with resonance contributions taken into account. Compared to the pion one, the kaon source function is generally narrower and does not have the long tail along the pair transverse momentum direction. The kaon Gaussian radii display a monotonic decrease with increasing transverse mass m(T) over the interval of 0.55
Published: 2013

26. Measurement ofJ/ψAzimuthal Anisotropy inAu+AuCollisions atsNN=200 GeV

Author: Zubayer Ahammed, M. J. LeVine, B. Pawlik, M. Naglis, Q. Y. Shou, Xiangming Sun, P. Seyboth, M. Zyzak, H. Z. Huang, Leszek Adamczyk, R. Derradi de Souza, A. Gibson, Y. F. Wu, Madan M. Aggarwal, Fuqiang Wang, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, S. Vokal, N. K. Pruthi, Basanta Kumar Nandi, M. Shao, Y. X. Pan, G. Van Buren, F. Videbæk, G. Webb, Jay Roberts, A. Dion, K. Yip, N. Xu, S. S. Shi, A. Vossen, Sukalyan Chattopadhyay, H. W. Ke, J. S. Wang, P. Filip, B. Di Ruzza, R. R. Debbe, J. L. Romero, J. Kiryluk, J. H. Chen, Chitrasen Jena, P. Pile, E. Finch, I. Kisel, O. D. Tsai, G. Wang, G. D. Westfall, Y. P. Lu, J. M. Nelson, M. Elnimr, M. C. Cervantes, Vitaly Okorokov, Bernd Surrow, Jorn Henning Putschke, A. V. Brandin, C. D. Anson, Thorsten Sven Kollegger, W. Peryt, J. K. Adkins, W. J. Llope, P. Chung, K. Xin, A. Ohlson, D. Garand, R. Fatemi, Michael Joseph Betancourt, Z. J. Sun, S. Heppelmann, Wei Xie, D. Solanki, J. Engelage, G. Eppley, A. Aparin, G. M.S. Vasconcelos, A. M. Poskanzer, B. Schmidke, K. Krueger, L. Eun, David Jonathan Hofman, T. P. Burton, M. J.M. Codrington, H. Masui, C. A. Gagliardi, J. A. Vanfossen, J. Pluta, Y. Pandit, J. B. Zhang, D. D. Koetke, J. E. Draper, R. Witt, A. Kechechyan, A. Kesich, M. J. Skoby, R. Cendejas, R. A.N. Oliveira, M. Pachr, C. K. Riley, S. Mioduszewski, N. Schmitz, X. Li, J. M. Landgraf, S. Ramachandran, L. Kotchenda, Sevil Salur, Y. Wang, Donald M. McDonald, R. S. Longacre, Pradip Kumar Sahu, W. Li, Elena Bruna, B. Huang, E. Shahaliev, Prithwish Tribedy, B. K. Srivastava, M. M. Mondal, J. Takahashi, M. Cherney, Lokesh Kumar, M. Strikhanov, J. Konzer, Rene Bellwied, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, Y. H. Zhu, L. M. Lima, I. Sakrejda, R. E. Tribble, S. Fazio, J. Rusnak, T. J. Humanic, Jize Zhao, I. Kulakov, Bedangadas Mohanty, Xiaofeng Luo, Y. Xu, P. Chaloupka, Guo-Liang Ma, Gerald W Hoffmann, H. Qiu, J. Sandweiss, Nasim, M. Tokarev, Jaroslav Bielcik, Y. Fisyak, G. Igo, J. Novak, Stephen V. Gliske, B. Sharma, J. Bouchet, Z. J. Xu, C. A. Whitten, A. K. Bhati, D. Keane, Haiyan Wang, S. Trentalange, Y. Yang, Z. P. Zhang, Nikolai Smirnov, R. Stock, A. S. Hirsch, L. Ruan, K. D. Landry, K. Kauder, J. Butterworth, F. Liu, K. Oh, Mariusz Przybycien, T. D. S. Stanislaus, L. G. Efimov, T. K. Nayak, P. Kravtsov, A. M. Schmah, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, M. K. Mustafa, L. Yi, S. LaPointe, Nilay Shah, H. G. Ritter, E. Flores, F. Ding, R. Varma, A. Chikanian, R. G. Fersch, X. Z. Cai, H. H. Wieman, Jian Deng, Y. Panebratsev, S. K. Gupta, D. Grosnick, Xuan Zhang, Hanna Paulina Zbroszczyk, Y. Li, R. Corliss, James Prewitt Hays-Wehle, B. S. Page, D. P. Kikola, O. Hajkova, X. L. Wang, G. Agakishiev, D. P. Mahapatra, Z. Chang, O. V. Rogachevskiy, D. R. Beavis, L. C. Bland, B. Stringfellow, F. Zhao, Zhiming Li, P. Huck, C. Zhong, E. C. Aschenauer, A. Sandacz, M. Wada, A. Luszczak, Li-Yi Chen, Q. H. Xu, J. Turnau, D. Cebra, M. A.C. Lamont, Anthony Robert Timmins, Adam Ryszard Kisiel, L-X. Han, S. G. Brovko, R. D. Majka, R. N. Singaraju, S. Margetis, L. Xue, J. G. Cramer, Sergey Voloshin, Zhigang Xiao, H. J. Crawford, M. Sharma, E. Sangaline, D. Arkhipkin, A. Hamed, M. C. Suarez, D. N. Svirida, W. Xu, Wolfgang Korsch, J. Y. Chen, W. Borowski, Z. Barnovska, Xiaofeng Zhu, E. W. Oldag, T. S. McShane, P. Bhattarai, J. Schambach, X. Dong, Michal Sumbera, A. A. P. Suaide, Xiangyuan Cui, W. Christie, S. K. Pal, Justin Stevens, J. C. Webb, Y. J. Sun, A. Ogawa, H. F. Chen, S. Kabana, Marcelo Gameiro Munhoz, Y. P. Viyogi, S. Bültmann, M. Zawisza, H. M. Spinka, S. W. Wissink, C-Q. Li, T. G. Dedovich, Y. Zhang, R. P. Scharenberg, Christina Markert, A. Banerjee, Nikola Poljak, E. P. Sichtermann, J. Porter, D. Smirnov, H. S. Matis, I. G. Alekseev, L. H. Tarini, M. A. Lisa, W. W. Jacobs, I. K. Yoo, J. Lauret, H. Pei, J. Balewski, Rashmi Raniwala, Janet Elizabeth Seger, R. Lednicky, Claude Andre Pruneau, T. Tarnowsky, P. Djawotho, E. G. Judd, H. Bichsel, G. Odyniec, Anju Bhasin, Y. Zoulkarneeva, J. H. Thomas, U. G. Desouza, J. F. Ross, T. Ullrich, Q. Wang, Jana Bielcikova, N. R. Sahoo, A. Lebedev, T. R. Schuster, G. S. Averichev, P. R. Pujahari, C. B. Powell, I. Koralt, Kejun Kang, L. V. Nogach, C. M. Du, H. S. Xu, Sumit R. Das, P. Sorensen, G. Van Nieuwenhuizen, Jongmin Lee, R. L. Ray, T. Ljubicic, L. Didenko, H. Caines, Sudhir Raniwala, William Axel Leight, Yinina Ma, S. R. Klein, L. E. Dunkelberger, D. L. Olson, Anik Gupta, Frank Jm Geurts, Jifa Tian, S. H. Zhang, B. Haag, Zebo Tang, Janusz Chwastowski, S. Dhamija, C. Perkins, J. W. Harris, P. Yepes, A. Davila Leyva, A. H. Tang, I. Bunzarov, M. Calderon De La Barca Sanchez, J. Alford, W. Guryn, O. G. Grebenyuk, J. Fedorisin, Russell Richard Betts, D. G. Underwood, J. Cheng, T. J. M. Symons, L. C. De Silva, S. Horvat, A. Szanto de Toledo, J. Kapitan, M. K. Mitrovski, T. Pawlak, Y. Mohammed, A. Sarkar, and J. C. Dunlop
Subjects: Coalescence (physics), Physics, Particle physics, 010308 nuclear & particles physics, Elliptic flow, General Physics and Astronomy, Elementary particle, 01 natural sciences, Charm quark, Nuclear physics, Transverse plane, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Anisotropy
Abstract: The measurement of J/psi azimuthal anisotropy is presented as a function of transverse momentum for different centralities in Au + Au collisions at root s(NN) = 200 GeV. The measured J/psi elliptic flow is consistent with zero within errors for transverse momentum between 2 and 10 GeV/c. Our measurement suggests that J/psi particles with relatively large transverse momenta are not dominantly produced by coalescence from thermalized charm quarks, when comparing to model calculations.
Published: 2013

27. Third harmonic flow of charged particles in Au+Au collisions atsNN=200 GeV

Author: L. Adamczyk, J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, C. D. Anson, D. Arkhipkin, E. Aschenauer, G. S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, A. V. Brandin, S. G. Brovko, E. Bruna, S. Bültmann, I. Bunzarov, T. P. Burton, J. Butterworth, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, S. Das, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, L. E. Dunkelberger, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, Y. Fisyak, E. Flores, C. A. Gagliardi, D. R. Gangadharan, D. Garand, F. Geurts, A. Gibson, S. Gliske, Y. N. Gorbunov, O. G. Grebenyuk, D. Grosnick, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, S. Horvat, B. Huang, H. Z. Huang, P. Huck, T. J. Humanic, G. Igo, W. W. Jacobs, C. Jena, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, A. Kesich, D. P. Kikola, J. Kiryluk, I. Kisel, A. Kisiel, V. Kizka, S. R. Klein, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, M. A. C. Lamont, J. M. Landgraf, K. D. Landry, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, X. Luo, A. Luszczak, G. L. Ma, Y. G. Ma, D. M. M. D. Madagodagettige Don, D. P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, Md. Nasim, T. K. Nayak, J. M. Nelson, L. V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, P. Ostrowski, M. Pachr, B. S. Page, S. K. Pal, Y. X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, C. Pruneau, N. K. Pruthi, M. Przybycien, P. R. Pujahari, J. Putschke, H. Qiu, A. Quintero, S. Ramachandran, R. Raniwala, S. Raniwala, R. Redwine, C. K. Riley, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, J. F. Ross, L. Ruan, J. Rusnak, N. R. Sahoo, P. K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, B. Schmidke, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, R. N. Singaraju, M. J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, J. Turnau, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, Y. F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, L. Yi, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, J. B. Zhang, S. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, Nuclear and High Energy Physics, Time projection chamber, 010308 nuclear & particles physics, Plane (geometry), Gaussian, 01 natural sciences, Charged particle, Nuclear physics, symbols.namesake, Pseudorapidity, 0103 physical sciences, symbols, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Anisotropy, Relativistic Heavy Ion Collider, Event (particle physics)
Abstract: We report measurements of the third harmonic coefficient of the azimuthal anisotropy, upsilon(3), known as triangular flow. The analysis is for charged particles in Au + Au collisions at root s(NN) = 200 GeV, based on data from the STAR experiment at the BNL Relativistic Heavy Ion Collider. Two-particle correlations as a function of their pseudorapidity separation are fit with narrow and wide Gaussians. Measurements of triangular flow are extracted from the wide Gaussian, from two-particle cumulants with a pseudorapidity gap, and also from event plane analysis methods with a large pseudorapidity gap between the particles and the event plane. These results are reported as a function of transverse momentum and centrality. A large dependence on the pseudorapidity gap is found. Results are compared with other experiments and model calculations.
Published: 2013

28. Elliptic flow of identified hadrons in Au+Au collisions atsNN=7.7–62.4 GeV

Author: L. Adamczyk, J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, C. D. Anson, A. Aparin, D. Arkhipkin, E. Aschenauer, G. S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, P. Bhattarai, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, A. V. Brandin, S. G. Brovko, E. Bruna, S. Bültmann, I. Bunzarov, T. P. Burton, J. Butterworth, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, S. Das, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, B. di Ruzza, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, L. E. Dunkelberger, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, Y. Fisyak, E. Flores, C. A. Gagliardi, D. R. Gangadharan, D. Garand, F. Geurts, A. Gibson, S. Gliske, O. G. Grebenyuk, D. Grosnick, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, S. Horvat, B. Huang, H. Z. Huang, P. Huck, T. J. Humanic, G. Igo, W. W. Jacobs, C. Jena, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, A. Kesich, D. P. Kikola, J. Kiryluk, I. Kisel, A. Kisiel, S. R. Klein, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, M. A. C. Lamont, J. M. Landgraf, K. D. Landry, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, X. Luo, A. Luszczak, G. L. Ma, Y. G. Ma, D. M. M. D. Madagodagettige Don, D. P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, Md. Nasim, T. K. Nayak, J. M. Nelson, L. V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, C. Pruneau, N. K. Pruthi, M. Przybycien, P. R. Pujahari, J. Putschke, H. Qiu, S. Ramachandran, R. Raniwala, S. Raniwala, R. L. Ray, C. K. Riley, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, J. F. Ross, L. Ruan, J. Rusnak, N. R. Sahoo, P. K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, B. Schmidke, N. Schmitz, T. R. Schuster, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, R. N. Singaraju, M. J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, J. Turnau, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, Y. F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, L. Yi, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, J. B. Zhang, S. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Meson, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Hadron, Elliptic flow, Lambda, 01 natural sciences, Omega, Nuclear physics, Baryon, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: Measurements of the elliptic flow, upsilon(2), of identified hadrons (pi(+/-), K-+/-, K-s(0), p, (p) over bar, phi, Lambda, (Lambda) over bar, Xi(-), (Xi) over bar (+), Omega(-), (Omega) over bar (+)) in Au + Au collisions at root s(NN) = 7.7, 11.5, 19.6, 27, 39, and 62.4 GeV are presented. The measurements were done at midrapidity using the time-projection chamber and the time-of-flight detectors of the Solenoidal Tracker at RHIC experiment during the beam-energy scan program at Relativistic Heavy Ion Collider. A significant difference in the upsilon(2) values for particles and the corresponding antiparticles was observed at all transverse momenta for the first time. The difference increases with decreasing center-of-mass energy, root s(NN) (or increasing baryon chemical potential, mu(B)), and is larger for the baryons as compared to the mesons. This implies that particles and antiparticles are no longer consistent with the universal number-of-constituent quark (NCQ) scaling of upsilon(2) that was observed at root s(NN) = 200 GeV. However, for the selected group of particles (p(+), K+, K-s(0), p, Lambda, Xi(-), Omega(-)) NCQ scaling at (m(T) - m(0))/n(q) > 0.4 GeV/c(2) is not violated within +/- 10%. The upsilon(2) values for f mesons at 7.7 and 11.5 GeV are approximately two standard deviations from the trend defined by the other hadrons at the highest measured p(T) values.
Published: 2013

29. System-size dependence of transverse momentum correlations atsNN=62.4and 200 GeV at the BNL Relativistic Heavy Ion Collider

Author: L. Adamczyk, J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, C. D. Anson, A. Aparin, D. Arkhipkin, E. Aschenauer, G. S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, null Bhattarai, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, A. V. Brandin, S. G. Brovko, E. Bruna, S. Bültmann, I. Bunzarov, T. P. Burton, J. Butterworth, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, S. Das, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, B. di Ruzza, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, L. E. Dunkelberger, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, Y. Fisyak, E. Flores, C. A. Gagliardi, D. R. Gangadharan, D. Garand, F. Geurts, A. Gibson, S. Gliske, O. G. Grebenyuk, D. Grosnick, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, S. Horvat, B. Huang, H. Z. Huang, P. Huck, T. J. Humanic, G. Igo, W. W. Jacobs, C. Jena, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, A. Kesich, D. P. Kikola, J. Kiryluk, I. Kisel, A. Kisiel, S. R. Klein, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, M. A. C. Lamont, J. M. Landgraf, K. D. Landry, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, X. Luo, A. Luszczak, G. L. Ma, Y. G. Ma, D. M. M. D. Madagodagettige Don, D. P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, Md. Nasim, T. K. Nayak, J. M. Nelson, L. V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, C. Pruneau, N. K. Pruthi, M. Przybycien, P. R. Pujahari, J. Putschke, H. Qiu, S. Ramachandran, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, C. K. Riley, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, J. F. Ross, L. Ruan, J. Rusnak, N. R. Sahoo, P. K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, B. Schmidke, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, R. N. Singaraju, M. J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, J. Turnau, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, Y. F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, L. Yi, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, J. B. Zhang, S. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Star (game theory), Monte Carlo method, Jet (particle physics), 7. Clean energy, 01 natural sciences, Charged particle, Nuclear physics, Pseudorapidity, 0103 physical sciences, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Size dependence, Energy (signal processing)
Abstract: We present a study of the average transverse momentum (${p}_{t}$) fluctuations and ${p}_{t}$ correlations for charged particles produced in Cu+Cu collisions at midrapidity for $\sqrt{{s}_{NN}}=$ 62.4 and 200 GeV. These results are compared with those published for Au+Au collisions at the same energies, to explore the system size dependence. In addition to the collision energy and system size dependence, the ${p}_{t}$ correlation results have been studied as functions of the collision centralities, the ranges in ${p}_{t}$, the pseudorapidity $\ensuremath{\eta}$, and the azimuthal angle $\ensuremath{\phi}$. The square root of the measured ${p}_{t}$ correlations when scaled by mean ${p}_{t}$ is found to be independent of both colliding beam energy and system size studied. Transport-based model calculations are found to have a better quantitative agreement with the measurements compared to models which incorporate only jetlike correlations.
Published: 2013

30. Experimental studies of di-jets in Au plus Au collisions using angular correlations with respect to back-to-back leading hadrons

Author: L. Adamczyk, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, C. D. Anson, D. Arkhipkin, E. Aschenauer, G. S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, A. V. Brandin, S. G. Brovko, E. Bruna, S. Bültmann, I. Bunzarov, T. P. Burton, J. Butterworth, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, S. Das, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, L. E. Dunkelberger, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, F. Geurts, A. Gibson, S. Gliske, Y. N. Gorbunov, O. G. Grebenyuk, D. Grosnick, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, S. Horvat, B. Huang, H. Z. Huang, P. Huck, T. J. Humanic, L. Huo, G. Igo, W. W. Jacobs, C. Jena, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, A. Kesich, D. P. Kikola, J. Kiryluk, I. Kisel, A. Kisiel, V. Kizka, S. R. Klein, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, X. Luo, A. Luszczak, G. L. Ma, Y. G. Ma, D. M. M. D. Madagodagettige Don, D. P. Mahapatra, R. Majka, O. I. Mall, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, Md. Nasim, T. K. Nayak, J. M. Nelson, L. V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, P. Ostrowski, M. Pachr, B. S. Page, S. K. Pal, Y. X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, C. Pruneau, N. K. Pruthi, M. Przybycien, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, C. K. Riley, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, J. F. Ross, L. Ruan, J. Rusnak, N. R. Sahoo, P. K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, B. Schmidke, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, R. N. Singaraju, M. J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, J. Turnau, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, Y. Yi, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, J. B. Zhang, S. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, AuAu, Nuclear and High Energy Physics, Particle physics, STAR, 010308 nuclear & particles physics, media_common.quotation_subject, Hadron, Di-jets, 01 natural sciences, Asymmetry, NATURAL SCIENCES. Physics, Nuclear physics, PRIRODNE ZNANOSTI. Fizika, hadrons, Deuterium, Angular correlation, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Nuclear Experiment, media_common
Abstract: Jet-medium interactions are studied via a multihadron correlation technique ( called "2 + 1"), where a pair of back-to-back hadron triggers with large transverse momentum is used as a proxy for a di-jet. This work extends the previous analysis for nearly symmetric trigger pairs with the highest momentum threshold of trigger hadron of 5 GeV/c with the new calorimeter-based triggers with energy thresholds of up to 10 GeV and above. The distributions of associated hadrons are studied in terms of correlation shapes and per-trigger yields on each trigger side. In contrast with di-hadron correlation results with single triggers, the associated hadron distributions for back-to-back triggers from central Au + Au data at root S-NN = 200 GeV show no strong modifications compared to d + Au data at the same energy. An imbalance in the total transverse momentum between hadrons attributed to the near-side and away-side of jetlike peaks is observed. The relative imbalance in the Au + Au measurement with respect to d + Au reference is found to increase with the asymmetry of the trigger pair, consistent with the expectation from medium-induced energy-loss effects. In addition, this relative total transverse momentum imbalance is found to decrease for softer associated hadrons. Such evolution indicates that the energy missing at higher associated momenta is converted into softer hadrons. DOI:10.1103/PhysRevC.87.044903
Published: 2013

31. Measurement of J/ψ azimuthal anisotropy in Au+Au collisions at sqrt[s(NN)]=200 GeV

Author: L, Adamczyk, J K, Adkins, G, Agakishiev, M M, Aggarwal, Z, Ahammed, I, Alekseev, J, Alford, C D, Anson, A, Aparin, D, Arkhipkin, E, Aschenauer, G S, Averichev, J, Balewski, A, Banerjee, Z, Barnovska, D R, Beavis, R, Bellwied, M J, Betancourt, R R, Betts, A, Bhasin, A K, Bhati, P, Bhattarai, H, Bichsel, J, Bielcik, J, Bielcikova, L C, Bland, I G, Bordyuzhin, W, Borowski, J, Bouchet, A V, Brandin, S G, Brovko, E, Bruna, S, Bültmann, I, Bunzarov, T P, Burton, J, Butterworth, X Z, Cai, H, Caines, M, Calderón de la Barca Sánchez, D, Cebra, R, Cendejas, M C, Cervantes, P, Chaloupka, Z, Chang, S, Chattopadhyay, H F, Chen, J H, Chen, J Y, Chen, L, Chen, J, Cheng, M, Cherney, A, Chikanian, W, Christie, P, Chung, J, Chwastowski, M J M, Codrington, R, Corliss, J G, Cramer, H J, Crawford, X, Cui, S, Das, A, Davila Leyva, L C, De Silva, R R, Debbe, T G, Dedovich, J, Deng, R, Derradi de Souza, S, Dhamija, B, di Ruzza, L, Didenko, F, Ding, A, Dion, P, Djawotho, X, Dong, J L, Drachenberg, J E, Draper, C M, Du, L E, Dunkelberger, J C, Dunlop, L G, Efimov, M, Elnimr, J, Engelage, G, Eppley, L, Eun, O, Evdokimov, R, Fatemi, S, Fazio, J, Fedorisin, R G, Fersch, P, Filip, E, Finch, Y, Fisyak, E, Flores, C A, Gagliardi, D R, Gangadharan, D, Garand, F, Geurts, A, Gibson, S, Gliske, O G, Grebenyuk, D, Grosnick, A, Gupta, S, Gupta, W, Guryn, B, Haag, O, Hajkova, A, Hamed, L-X, Han, J W, Harris, J P, Hays-Wehle, S, Heppelmann, A, Hirsch, G W, Hoffmann, D J, Hofman, S, Horvat, B, Huang, H Z, Huang, P, Huck, T J, Humanic, G, Igo, W W, Jacobs, C, Jena, E G, Judd, S, Kabana, K, Kang, J, Kapitan, K, Kauder, H W, Ke, D, Keane, A, Kechechyan, A, Kesich, D P, Kikola, J, Kiryluk, I, Kisel, A, Kisiel, S R, Klein, D D, Koetke, T, Kollegger, J, Konzer, I, Koralt, W, Korsch, L, Kotchenda, P, Kravtsov, K, Krueger, I, Kulakov, L, Kumar, M A C, Lamont, J M, Landgraf, K D, Landry, S, Lapointe, J, Lauret, A, Lebedev, R, Lednicky, J H, Lee, W, Leight, M J, LeVine, C, Li, W, Li, X, Li, Y, Li, Z M, Li, L M, Lima, M A, Lisa, F, Liu, T, Ljubicic, W J, Llope, R S, Longacre, Y, Lu, X, Luo, A, Luszczak, G L, Ma, Y G, Ma, D M M D, Madagodagettige Don, D P, Mahapatra, R, Majka, S, Margetis, C, Markert, H, Masui, H S, Matis, D, McDonald, T S, McShane, S, Mioduszewski, M K, Mitrovski, Y, Mohammed, B, Mohanty, M M, Mondal, M G, Munhoz, M K, Mustafa, M, Naglis, B K, Nandi, Md, Nasim, T K, Nayak, J M, Nelson, L V, Nogach, J, Novak, G, Odyniec, A, Ogawa, K, Oh, A, Ohlson, V, Okorokov, E W, Oldag, R A N, Oliveira, D, Olson, M, Pachr, B S, Page, S K, Pal, Y X, Pan, Y, Pandit, Y, Panebratsev, T, Pawlak, B, Pawlik, H, Pei, C, Perkins, W, Peryt, P, Pile, M, Planinic, J, Pluta, N, Poljak, J, Porter, A M, Poskanzer, C B, Powell, C, Pruneau, N K, Pruthi, M, Przybycien, P R, Pujahari, J, Putschke, H, Qiu, S, Ramachandran, R, Raniwala, S, Raniwala, R L, Ray, C K, Riley, H G, Ritter, J B, Roberts, O V, Rogachevskiy, J L, Romero, J F, Ross, L, Ruan, J, Rusnak, N R, Sahoo, P K, Sahu, I, Sakrejda, S, Salur, A, Sandacz, J, Sandweiss, E, Sangaline, A, Sarkar, J, Schambach, R P, Scharenberg, A M, Schmah, B, Schmidke, N, Schmitz, T R, Schuster, J, Seger, P, Seyboth, N, Shah, E, Shahaliev, M, Shao, B, Sharma, M, Sharma, S S, Shi, Q Y, Shou, E P, Sichtermann, R N, Singaraju, M J, Skoby, D, Smirnov, N, Smirnov, D, Solanki, P, Sorensen, U G, Desouza, H M, Spinka, B, Srivastava, T D S, Stanislaus, J R, Stevens, R, Stock, M, Strikhanov, B, Stringfellow, A A P, Suaide, M C, Suarez, M, Sumbera, X M, Sun, Y, Sun, Z, Sun, B, Surrow, D N, Svirida, T J M, Symons, A, Szanto de Toledo, J, Takahashi, A H, Tang, Z, Tang, L H, Tarini, T, Tarnowsky, J H, Thomas, J, Tian, A R, Timmins, D, Tlusty, M, Tokarev, S, Trentalange, R E, Tribble, P, Tribedy, B A, Trzeciak, O D, Tsai, J, Turnau, T, Ullrich, D G, Underwood, G, Van Buren, G, van Nieuwenhuizen, J A, Vanfossen, R, Varma, G M S, Vasconcelos, F, Videbæk, Y P, Viyogi, S, Vokal, S A, Voloshin, A, Vossen, M, Wada, F, Wang, G, Wang, H, Wang, J S, Wang, Q, Wang, X L, Wang, Y, Wang, G, Webb, J C, Webb, G D, Westfall, C, Whitten, H, Wieman, S W, Wissink, R, Witt, Y F, Wu, Z, Xiao, W, Xie, K, Xin, H, Xu, N, Xu, Q H, Xu, W, Xu, Y, Xu, Z, Xu, L, Xue, Y, Yang, P, Yepes, L, Yi, K, Yip, I-K, Yoo, M, Zawisza, H, Zbroszczyk, J B, Zhang, S, Zhang, X P, Zhang, Y, Zhang, Z P, Zhang, F, Zhao, J, Zhao, C, Zhong, X, Zhu, Y H, Zhu, Y, Zoulkarneeva, and M, Zyzak
Subjects: Anisotropy, Quantum Theory, Gold, Elementary Particles
Abstract: The measurement of J/ψ azimuthal anisotropy is presented as a function of transverse momentum for different centralities in Au+Au collisions at sqrt[s(NN)]=200 GeV. The measured J/ψ elliptic flow is consistent with zero within errors for transverse momentum between 2 and 10 GeV/c. Our measurement suggests that J/ψ particles with relatively large transverse momenta are not dominantly produced by coalescence from thermalized charm quarks, when comparing to model calculations.
Published: 2012

32. Anomalous centrality evolution of two-particle angular correlations from Au-Au collisions atsNN=62and 200 GeV

Author: G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, G. S. Averichev, J. Balewski, D. R. Beavis, N. K. Behera, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, E. Braidot, A. V. Brandin, S. G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, M. S. Daugherity, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, A. A. Derevschikov, R. Derradi de Souza, L. Didenko, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, M. Estienne, L. Eun, O. Evdokimov, R. Fatemi, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, F. Geurts, P. Ghosh, Y. N. Gorbunov, A. Gordon, O. G. Grebenyuk, D. Grosnick, A. Gupta, S. Gupta, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, J. P. Hays-Wehle, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, B. Huang, H. Z. Huang, T. J. Humanic, L. Huo, G. Igo, W. W. Jacobs, C. Jena, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, S. R. Klein, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, L. Kumar, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, E. V. Lukashov, X. Luo, G. L. Ma, Y. G. Ma, D. P. Mahapatra, R. Majka, O. I. Mall, R. Manweiler, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, A. Meschanin, R. Milner, N. G. Minaev, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, D. A. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, T. K. Nayak, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, H. Pei, T. Peitzmann, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, L. Ruan, J. Rusnak, N. R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, J. Schaub, A. M. Schmah, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, I. Selyuzhenkov, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, F. Simon, R. N. Singaraju, M. J. Skoby, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, T. A. Trainor, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, A. N. Vasiliev, F. Videbæk, Y. P. Viyogi, S. Vokal, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, K. Yip, I.-K. Yoo, M. Zawisza, H. Zbroszczyk, W. Zhan, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Scattering, Elliptic flow, Perturbative QCD, Parton, 01 natural sciences, Charged particle, Nuclear physics, Pseudorapidity, 0103 physical sciences, Nuclear Experiment, 010306 general physics, Jet quenching, QCD matter
Abstract: We present two-dimensional (2D) two-particle angular correlations measured with the STAR detector on relative pseudorapidity η and azimuth ϕ for charged particles from Au-Au collisions at √sNN=62 and 200 GeV with transverse momentum pt≥0.15 GeV/c, |η|≤1, and 2π in azimuth. Observed correlations include a same-side (relative azimuth
Published: 2012

33. Inclusive charged hadron elliptic flow in Au+Au collisions atsNN=7.7–39 GeV

Author: L. Adamczyk, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, E. Aschenauer, G. S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, A. V. Brandin, S. G. Brovko, E. Bruna, S. Bültmann, I. Bunzarov, T. P. Burton, J. Butterworth, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, L. E. Dunkelberger, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, F. Geurts, A. Gibson, S. Gliske, Y. N. Gorbunov, O. G. Grebenyuk, D. Grosnick, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, S. Horvat, B. Huang, H. Z. Huang, P. Huck, T. J. Humanic, L. Huo, G. Igo, W. W. Jacobs, C. Jena, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, A. Kesich, D. Kettler, D. P. Kikola, J. Kiryluk, I. Kisel, A. Kisiel, V. Kizka, S. R. Klein, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, X. Luo, A. Luszczak, G. L. Ma, Y. G. Ma, D. M. M. D. Madagodagettige Don, D. P. Mahapatra, R. Majka, O. I. Mall, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, Md. Nasim, T. K. Nayak, J. M. Nelson, L. V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, P. Ostrowski, M. Pachr, B. S. Page, S. K. Pal, Y. X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, M. Przybycien, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, C. K. Riley, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, J. F. Ross, L. Ruan, J. Rusnak, N. R. Sahoo, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, B. Schmidke, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, R. N. Singaraju, M. J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, S. G. Steadman, G. S. F. Stephans, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, J. Turnau, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, Y. Yi, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, Y. Zoulkarneeva, and M. Zyzak
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, 010308 nuclear & particles physics, Hadron, Elliptic flow, Collision, 01 natural sciences, Nuclear physics, Critical point (thermodynamics), Pseudorapidity, 0103 physical sciences, High Energy Physics::Experiment, Coordinate space, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: A systematic study is presented for centrality, transverse momentum (p(T)), and pseudorapidity (eta) dependence of the inclusive charged hadron elliptic flow (v(2)) at midrapidity (vertical bar eta vertical bar < 1.0) in Au + Au collisions at root s(NN) = 7.7, 11.5, 19.6, 27, and 39 GeV. The results obtained with different methods, including correlations with the event plane reconstructed in a region separated by a large pseudorapidity gap and four-particle cumulants (v(2){4}), are presented to investigate nonflow correlations and v(2) fluctuations. We observe that the difference between v(2){2} and v(2){4} is smaller at the lower collision energies. Values of v(2), scaled by the initial coordinate space eccentricity, v(2)/epsilon, as a function of p(T) are larger in more central collisions, suggesting stronger collective flow develops in more central collisions, similar to the results at higher collision energies. These results are compared to measurements at higher energies at the Relativistic Heavy Ion Collider (root s(NN) = 62.4 and 200 GeV) and at the Large Hadron Collider (Pb + Pb collisions at root s(NN) = 2.76 TeV). The v(2)(pT) values for fixed pT rise with increasing collision energy within the pT range studied (
Published: 2012

34. Measurements ofD0andD*production inp+pcollisions ats=200 GeV

Author: C. D. Anson, Elena Bruna, William Axel Leight, K. Yip, M. J. Skoby, Frank Jm Geurts, Bedangadas Mohanty, Guo-Liang Ma, J. S. Wang, J. C. Dunlop, Z. P. Zhang, R. R. Debbe, A. S. Hirsch, P. Kravtsov, A. M. Schmah, Dmitry Smirnov, C. B. Powell, T. P. Burton, L. Kotchenda, R. G. Fersch, Jifa Tian, A. K. Bhati, D. Keane, S. G. Steadman, Zubayer Ahammed, M. J. LeVine, I. Koralt, R. Stock, F. Videbæk, G. Webb, Sukalyan Chattopadhyay, S. Heppelmann, Chitrasen Jena, Y. P. Lu, P. Djawotho, L. G. Efimov, Y. Yi, J. Rusnak, X. L. Wang, M. Wada, L. V. Nogach, E. C. Aschenauer, S. Margetis, Xuan Zhang, G. Eppley, A. V. Brandin, K. Xin, L. Li, T. K. Nayak, X. Dong, Q. Y. Shou, R. Fatemi, Michael Joseph Betancourt, J. A. Vanfossen, S. Fazio, I. G. Bordyuzhin, Mirko Planinic, S. K. Pal, Justin Stevens, Q. H. Xu, M. K. Mustafa, C. A. Whitten, L. Ruan, R. Corliss, Jana Bielcikova, Prabhat Ranjan Pujahari, J. L. Romero, Hanna Paulina Zbroszczyk, R. N. Singaraju, L. Huo, J. Alford, W. Guryn, F. Ding, E. Finch, Y. Panebratsev, Aditi Banerjee, D. Grosnick, J. Pluta, W. Li, H. Masui, A. Kesich, Amal Sarkar, P. Chaloupka, E. P. Sichtermann, J. Seele, R. Varma, James Prewitt Hays-Wehle, B. S. Page, D. R. Beavis, Haiyan Wang, Jake Y. Chen, Sergey Voloshin, Olga Evdokimov, Barbara Antonina Trzeciak, Y. Li, L. Didenko, Y. N. Gorbunov, M. Cherney, Lokesh Kumar, Hua Pei, J. Fedorisin, D. P. Kikola, B. Stringfellow, Z. Z. Xu, Rene Bellwied, Manish Sharma, R. S. Longacre, T. Kollegger, J. Balewski, Rashmi Raniwala, I. Sakrejda, L. C. Bland, Y. F. Wu, S. Trentalange, P. Ostrowski, X. Z. Cai, D. P. Mahapatra, Y. Wang, Nikita Smirnov, R. Reed, X. M. Sun, A. Luszczak, Y. H. Zhu, P. Sorensen, L. M. Lima, R. E. Tribble, S. Horvat, A. Szanto de Toledo, Jay Roberts, H. Z. Huang, Jize Zhao, J. Kapitan, F. Zhao, O. Hajkova, S. Vokal, C-Q. Li, F. Liu, Mariusz Przybycien, O. D. Tsai, Claude Andre Pruneau, M. Shao, Y. X. Pan, G. Van Buren, Zhigang Xiao, S. K. Gupta, A. Chikanian, Gerald W Hoffmann, T. Pawlak, M. Elnimr, M. C. Cervantes, E. G. Judd, J. G. Cramer, G. Igo, J. Novak, W. Witzke, Y. Mohammed, B. Sharma, J. Bouchet, P. Chung, O. I. Mall, A. V. Alakhverdyants, R. P. Scharenberg, Christina Markert, M. K. Mitrovski, Md. Nasim, R. D. Majka, J. L. Drachenberg, A. Sandacz, S. S. Shi, H. S. Matis, K. Krueger, Renato Aparecido Negrao De Oliveira, M. Calderon De La Barca Sanchez, T. Ullrich, Y. Yang, W. Borowski, K. Kauder, Wei Xie, Russell Richard Betts, J. Kiryluk, B. Huang, J. Schambach, P. Huck, Xiangyuan Cui, W. Christie, J. H. Chen, Rajarshi Ray, Sevil Salur, L-X. Han, Michal Sumbera, A. A. P. Suaide, G. M.S. Vasconcelos, Y. Pandit, S. LaPointe, Nilay Shah, D. G. Underwood, S. R. Klein, T. Tarnowsky, L. E. Dunkelberger, D. L. Olson, N. Schmitz, Y. G. Ma, W. Peryt, E. W. Oldag, J. Turnau, T. J. Humanic, E. Sangaline, T. S. McShane, D. Arkhipkin, E. Shahaliev, R. Witt, A. Hamed, W. M. Zhang, Anthony Robert Timmins, S. Mioduszewski, W. W. Jacobs, Adam Ryszard Kisiel, J. Lauret, B. D. Anderson, X.G. Li, C. M. Du, N. Xu, H. S. Xu, P. Filip, L. Eun, Donald M. McDonald, N. K. Pruthi, P. Seyboth, J. Cheng, T. J. M. Symons, H. J. Crawford, Prithwish Tribedy, B. K. Srivastava, B. Morozov, S. W. Wissink, Y. Zhang, Janet Elizabeth Seger, R. Lednicky, L. C. De Silva, D. J. Hofman, Anju Bhasin, Nikola Poljak, Y. J. Sun, Jongmin Lee, P. Pile, J. Takahashi, J. E. Draper, M. A. C. Lamont, S. Kabana, Leszek Adamczyk, J. F. Ross, R. P. Redwine, R. Derradi de Souza, K. Kang, Y. P. Viyogi, A. Lebedev, G. D. Westfall, Vitaly Okorokov, T. G. Dedovich, W. J. Llope, B. Pawlik, Zhiming Li, Basanta Kumar Nandi, Bernd Surrow, S. Zhang, W. Xu, T. Ljubicic, Wolfgang Korsch, J. W. Harris, M. J. M. Codrington, A. M. Poskanzer, H. Bichsel, H. Caines, Sudhir Raniwala, O. G. Grebenyuk, Y. Zoulkarneeva, C. Zhong, Alice Elisabeth Ohlson, J. Putschke, C. K. Riley, Xiaofeng Zhu, M. Naglis, Q. Wang, J. M. Butterworth, A. Ogawa, T. R. Schuster, J. C. Webb, H. F. Chen, Thomas A. Trainor, G. J. van Nieuwenhuizen, Hao Qiu, P. Yepes, A. Davila Leyva, Y. Fisyak, X. G. Luo, K. Oh, A. H. Tang, Marcelo Gameiro Munhoz, D. J. Prindle, C. A. Gagliardi, G. Wang, I. G. Alekseev, Donika Plyku, M. A. Lisa, I. Bunzarov, M. Pachr, Z. J. Sun, Jian Deng, G. Agakishiev, D. Cebra, Jaroslav Bielcik, Jie Zhang, Z. Barnovska, O. V. Rogachevskiy, A. Dion, D. D. Koetke, L. Xue, Li-Zhu Chen, Madan M. Aggarwal, Fuqiang Wang, A. Vossen, D. Tlusty, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, Niladribihari Sahoo, J. Engelage, J. M. Landgraf, B. Haag, Zebo Tang, Janusz Chwastowski, M. Strikhanov, J. Konzer, C. Perkins, G. Odyniec, J. Sandweiss, D. Thein, D. Solanki, M. Tokarev, T. D. S. Stanislaus, H. H. Wieman, A. Kechechyan, R. Cendejas, V. A. Kizka, J. H. Thomas, U. G. Desouza, D. Kettler, G. S. Averichev, M. Zawisza, H. M. Spinka, J. Porter, L. H. Tarini, L. Koroleva, B. Schmidke, H. W. Ke, Y. F. Xu, S. Dhamija, S. G. Brovko, I-K. Yoo, M. C. Suarez, D. N. Svirida, J. M. Joseph, Stephen V. Gliske, H. G. Ritter, and S. Bueltmann
Subjects: Scattering cross-section, Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Star (game theory), High Energy Physics::Phenomenology, Hadron, Perturbative QCD, Charge (physics), 01 natural sciences, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, Production (computer science), Nuclear Experiment, 010306 general physics, Energy (signal processing)
Abstract: We report measurements of charmed-hadron $({D}^{0},{D}^{*})$ production cross sections at midrapidity in $p+p$ collisions at a center-of-mass energy of 200 GeV by the STAR experiment. Charmed hadrons were reconstructed via the hadronic decays ${D}^{0}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}$, ${D}^{*+}\ensuremath{\rightarrow}{D}^{0}{\ensuremath{\pi}}^{+}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{+}$ and their charge conjugates, covering the ${p}_{T}$ range of $0.6--2.0$ and $2.0--6.0\text{ }\text{ }\mathrm{GeV}/c$ for ${D}^{0}$ and ${D}^{*+}$, respectively. From this analysis, the charm-pair production cross section at midrapidity is $d\ensuremath{\sigma}/dy{|}_{y=0}^{c\overline{c}}=170\ifmmode\pm\else\textpm\fi{}45(\mathrm{stat}{)}_{\ensuremath{-}59}^{+38}(\mathrm{sys})\text{ }\text{ }\ensuremath{\mu}\mathrm{b}$. The extracted charm-pair cross section is compared to perturbative QCD calculations. The transverse momentum differential cross section is found to be consistent with the upper bound of a fixed-order next-to-leading logarithm calculation.
Published: 2012

35. Transverse single-spin asymmetry and cross section forπ0andηmesons at large Feynmanxinp↑+pcollisions ats=200 GeV

Author: R. S. Longacre, H. Z. Huang, S. Vokal, Madan M. Aggarwal, Fuqiang Wang, G. Igo, J. Novak, J. Kiryluk, J. H. Chen, Xiaofeng Luo, B. Sharma, A. Sandacz, Y. F. Wu, Guo-Liang Ma, J. Bouchet, P. Seyboth, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, K. Kauder, S. G. Brovko, J. Butterworth, O. D. Tsai, Leszek Adamczyk, M. Elnimr, M. C. Cervantes, M. C. Suarez, D. N. Svirida, Z. P. Zhang, Sevil Salur, R. Derradi de Souza, A. S. Hirsch, P. Kravtsov, A. M. Schmah, A. Vossen, Jay Roberts, A. Chikanian, I. K. Yoo, Thorsten Sven Kollegger, Xuan Zhang, M. J. M. Codrington, T. J. Humanic, J. L. Romero, H. W. Ke, B. Haag, W. Xu, S. Heppelmann, Hanna Paulina Zbroszczyk, Wolfgang Korsch, D. R. Beavis, Marcelo Gameiro Munhoz, D. J. Prindle, E. Finch, Sergey Voloshin, F. Videbæk, G. Webb, E. G. Judd, Q. H. Xu, Vitaly Okorokov, E. Sangaline, D. Arkhipkin, L. Kotchenda, A. Hamed, R. Varma, Bernd Surrow, Stephen V. Gliske, H. Pei, L. Eun, Zebo Tang, Janusz Chwastowski, J. Putschke, Sukalyan Chattopadhyay, James Prewitt Hays-Wehle, J. B. Zhang, Xiaofeng Zhu, G. Eppley, Y. Wang, P. Chung, B. S. Page, J. E. Draper, F. Zhao, J. Porter, C. D. Anson, D. P. Kikola, B. Stringfellow, R. N. Singaraju, L. Huo, B. Pawlik, R. Witt, S. Mioduszewski, Wei Xie, M. Naglis, I. G. Alekseev, Donika Plyku, M. A. Lisa, J. W. Harris, Chitrasen Jena, O. I. Mall, M. A.C. Lamont, L-X. Han, J. Pluta, W. Li, B. Huang, Bedangadas Mohanty, G. Wang, C. A. Gagliardi, M. Pachr, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, A. Ogawa, H. F. Chen, Thomas A. Trainor, C-Q. Li, R. P. Scharenberg, Christina Markert, Y. P. Lu, A. Luszczak, D. Smirnov, J. G. Cramer, Rene Bellwied, P. Yepes, A. Davila Leyva, S. Dhamija, C. Perkins, Jaroslav Bielcik, P. R. Pujahari, H. S. Matis, C. B. Powell, K. Yip, J. S. Wang, A. H. Tang, Z. J. Sun, M. K. Mustafa, J. Joseph, G. M.S. Vasconcelos, Y. Pandit, N. Schmitz, E. Shahaliev, Basanta Kumar Nandi, A. M. Poskanzer, A. Kechechyan, J. Alford, W. Guryn, Y. H. Zhu, H. G. Ritter, R. G. Fersch, I. Koralt, L. M. Lima, R. E. Tribble, J. C. Dunlop, M. Shao, Y. X. Pan, G. Van Buren, Jize Zhao, S. S. Shi, I. Bunzarov, W. W. Jacobs, L. V. Nogach, Gerald W Hoffmann, R. R. Debbe, M. Wada, R. Cendejas, Zubayer Ahammed, J. Lauret, D. Thein, T. P. Burton, M. J. LeVine, S. Bueltmann, O. V. Rogachevskiy, Y. Li, R. A.N. Oliveira, C. K. Riley, M. J. Skoby, Frank Jm Geurts, M. Calderon De La Barca Sanchez, R. Lednicky, S. G. Steadman, G. Van Nieuwenhuizen, Z. Barnovska, T. Tarnowsky, P. Djawotho, Xiangming Sun, D. P. Mahapatra, O. G. Grebenyuk, Jifa Tian, D. D. Koetke, J. F. Ross, L. Xue, H. Qiu, Michal Sumbera, A. A. P. Suaide, M. Tokarev, Q. Y. Shou, E. W. Oldag, W. J. Llope, T. S. McShane, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, S. W. Wissink, Jian Deng, Y. Zhang, D. Solanki, Y. Xu, B. D. Anderson, G. Agakishiev, Elena Bruna, J. Fedorisin, S. H. Zhang, B. Schmidke, P. Chaloupka, Y. G. Ma, W. Peryt, Nikola Poljak, Z. J. Xu, S. Fazio, N. K. Pruthi, Y. N. Gorbunov, A. V. Brandin, T. D. S. Stanislaus, Y. Fisyak, H. H. Wieman, A. Ohlson, K. Xin, O. Hajkova, D. Cebra, S. Trentalange, L. Li, K. Oh, J. Seele, Y. J. Sun, H. Bichsel, G. Odyniec, A. Kesich, Y. Zoulkarneeva, C. Zhong, S. Kabana, Haiyan Wang, Y. P. Viyogi, J. Turnau, I. Sakrejda, S. Horvat, A. Szanto de Toledo, J. Kapitan, Q. Wang, X. Z. Cai, M. K. Mitrovski, N. R. Sahoo, Y. Yang, S. LaPointe, T. R. Schuster, T. Pawlak, W. Witzke, Y. Mohammed, Nilay Shah, David Jonathan Hofman, H. Masui, T. G. Dedovich, A. V. Alakhverdyants, A. Sarkar, Russell Richard Betts, J. Takahashi, D. G. Underwood, J. Cheng, T. J. M. Symons, L. C. De Silva, J. Engelage, F. Ding, P. Ostrowski, Y. Panebratsev, D. Grosnick, J. M. Landgraf, Zhigang Xiao, Anju Bhasin, M. Sharma, Rolf K. Reed, M. Strikhanov, A. K. Bhati, D. Keane, R. P. Redwine, Nikolai Smirnov, R. Stock, L. G. Efimov, T. K. Nayak, J. Konzer, K. Kang, X. L. Wang, E. C. Aschenauer, A. Lebedev, S. Margetis, X. Dong, J. Sandweiss, S. K. Pal, Justin Stevens, Nasim, Jongmin Lee, R. L. Ray, X. Li, T. Ljubicic, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, Y. Yi, J. Rusnak, H. Caines, Sudhir Raniwala, C. A. Whitten, L. Ruan, E. P. Sichtermann, J. Balewski, Rashmi Raniwala, R. Corliss, Claude Andre Pruneau, T. Ullrich, A. Dion, N. Xu, C. M. Du, H. S. Xu, P. Filip, P. Pile, G. D. Westfall, F. Liu, Mariusz Przybycien, William Axel Leight, S. R. Klein, L. E. Dunkelberger, D. L. Olson, R. D. Majka, A. Bannerjee, R. Fatemi, Michael Joseph Betancourt, J. Y. Chen, W. Borowski, J. Schambach, K. Krueger, J. A. Vanfossen, Xiangyuan Cui, W. Christie, M. Cherney, Lokesh Kumar, W. M. Zhang, Jana Bielcikova, B. Morozov, S. K. Gupta, Janet Elizabeth Seger, P. Huck, Anthony Robert Timmins, Adam Ryszard Kisiel, P. Sorensen, H. J. Crawford, L. Didenko, Zhiming Li, J. C. Webb, L. H. Tarini, L. Koroleva, Li-Yi Chen, M. Zawisza, H. M. Spinka, V. A. Kizka, J. H. Thomas, U. G. Desouza, D. Kettler, and G. S. Averichev
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, 010308 nuclear & particles physics, media_common.quotation_subject, Perturbative QCD, 01 natural sciences, Asymmetry, Cross section (geometry), Transverse plane, symbols.namesake, 0103 physical sciences, symbols, Feynman diagram, Rapidity, Atomic physics, 010306 general physics, media_common, Spin-½
Abstract: Measurements of the differential cross section and the transverse single-spin asymmetry, A(N), vs x(F) for pi(0) and eta mesons are reported for 0.4 0.55, is consistent with a perturbative QCD prediction, and the eta/pi(0) cross-section ratio agrees with existing midrapidity measurements. For 0.55 < x(F) < 0.75, the average A(N) for eta is 0.210 +/- 0.056, and that for pi(0) is 0.081 +/- 0.016. The probability that these two asymmetries are equal is similar to 3%.
Published: 2012

36. Longitudinal and transverse spin asymmetries for inclusive jet production at mid-rapidity in polarizedp+pcollisions ats=200 GeV

Author: L. Adamczyk, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, E. Aschenauer, G. S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, A. V. Brandin, A. Bridgeman, S. G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, J. Butterworth, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, L. E. Dunkelberger, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, F. Geurts, S. Gliske, Y. N. Gorbunov, O. G. Grebenyuk, D. Grosnick, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, S. Horvat, B. Huang, H. Z. Huang, P. Huck, T. J. Humanic, L. Huo, G. Igo, W. W. Jacobs, C. Jena, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, A. Kesich, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, S. R. Klein, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, K. Kowalik, P. Kravtsov, K. Krueger, L. Kumar, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, X. Luo, A. Luszczak, G. L. Ma, Y. G. Ma, D. M. M. D. Madagodagettige Don, D. P. Mahapatra, R. Majka, O. I. Mall, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, J. Millane, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, Md. Nasim, T. K. Nayak, L. V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, P. Ostrowski, M. Pachr, B. S. Page, S. K. Pal, Y. X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, M. Przybycien, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, C. K. Riley, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, J. F. Ross, L. Ruan, J. Rusnak, N. R. Sahoo, I. Sakrejda, T. Sakuma, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, M. Sarsour, J. Schambach, R. P. Scharenberg, A. M. Schmah, B. Schmidke, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, R. N. Singaraju, M. J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, D. Staszak, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, T. A. Trainor, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, J. Turnau, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, Y. Yi, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, media_common.quotation_subject, Sigma, Polarization (waves), 01 natural sciences, Asymmetry, Gluon, Nuclear physics, Transverse plane, 0103 physical sciences, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, 010306 general physics, Nucleon, Relativistic Heavy Ion Collider, media_common
Abstract: We report STAR measurements of the longitudinal double-spin asymmetry A_LL, the transverse single-spin asymmetry A_N, and the transverse double-spin asymmetries A_Sigma and A_TT for inclusive jet production at mid-rapidity in polarized p+p collisions at a center-of-mass energy of sqrt{s} = 200 GeV. The data represent integrated luminosities of 7.6 /pb with longitudinal polarization and 1.8 /pb with transverse polarization, with 50-55% beam polarization, and were recorded in 2005 and 2006. No evidence is found for the existence of statistically significant jet A_N, A_Sigma, or A_TT at mid-rapidity. Recent model calculations indicate the A_N results may provide new limits on the gluon Sivers distribution in the proton. The asymmetry A_LL significantly improves the knowledge of gluon polarization in the nucleon.
Published: 2012

37. Di-electron spectrum at mid-rapidity inp+pcollisions ats=200GeV

Author: L. Adamczyk, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, E. Aschenauer, G. S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, A. V. Brandin, S. G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, J. Butterworth, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, P. Chung, J. Chwastowski, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, R. Derradi de Souza, S. Dhamija, L. Didenko, F. Ding, A. Dion, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, L. E. Dunkelberger, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, F. Geurts, A. Gibson, S. Gliske, Y. N. Gorbunov, O. G. Grebenyuk, D. Grosnick, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, S. Horvat, B. Huang, H. Z. Huang, P. Huck, T. J. Humanic, L. Huo, G. Igo, W. W. Jacobs, C. Jena, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, A. Kesich, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, S. R. Klein, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, L. Kumar, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, X. Luo, A. Luszczak, G. L. Ma, Y. G. Ma, D. M. M. D. Madagodagettige Don, D. P. Mahapatra, R. Majka, O. I. Mall, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, Md. Nasim, T. K. Nayak, L. V. Nogach, J. Novak, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, P. Ostrowski, M. Pachr, B. S. Page, S. K. Pal, Y. X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, M. Przybycien, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, C. K. Riley, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, J. F. Ross, L. Ruan, J. Rusnak, N. R. Sahoo, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, B. Schmidke, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, R. N. Singaraju, M. J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, T. A. Trainor, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, J. Turnau, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, A. Vossen, M. Wada, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, Y. Yi, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, 010308 nuclear & particles physics, Branching fraction, High Energy Physics::Phenomenology, 01 natural sciences, 7. Clean energy, Omega, Particle identification, Nuclear physics, Pseudoscalar, 0103 physical sciences, Mass spectrum, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: We report on the mid-rapidity mass spectrum of di-electrons and cross sections of pseudoscalar and vector mesons via e(+) e(-) decays, from root s = 200 GeV p + p collisions, measured by the large-acceptance experiment STAR at the Relativistic Heavy Ion Collider. The ratio of the di-electron continuum to the combinatorial background is larger than 10% over the entire mass range. Simulations of di-electrons from light-meson decays and heavy-flavor decays (charmonium and open charm correlation) are found to describe the data. The extracted omega -> e(+) e(-) invariant yields are consistent with previous measurements. The mid-rapidity yields (dN/dy) of phi and J/psi are extracted through their di-electron decay channels and are consistent with the previous measurements of phi -> K+ K- and J/psi -> e(+) e(-). Our results suggest a new upper limit of the branching ratio of the eta -> e(+) e(-) of 1.7 x 10(-5) at the 90% confidence level.
Published: 2012

38. Energy and system-size dependence of two- and four-particlev2measurements in heavy-ion collisions atsNN=62.4and 200 GeV and their implications on flow fluctuations and nonflow

Author: G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, G. S. Averichev, J. Balewski, D. R. Beavis, N. K. Behera, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, E. Braidot, A. V. Brandin, A. Bridgeman, S. G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, K. E. Choi, W. Christie, P. Chung, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, A. A. Derevschikov, R. Derradi de Souza, L. Didenko, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, M. Estienne, L. Eun, O. Evdokimov, R. Fatemi, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, F. Geurts, P. Ghosh, Y. N. Gorbunov, A. Gordon, O. G. Grebenyuk, D. Grosnick, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, M. Heinz, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, B. Huang, H. Z. Huang, T. J. Humanic, L. Huo, G. Igo, W. W. Jacobs, C. Jena, F. Jin, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, S. R. Klein, A. G. Knospe, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, V. Kouchpil, P. Kravtsov, K. Krueger, M. Krus, L. Kumar, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, N. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, H. Liu, J. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, E. V. Lukashov, X. Luo, G. L. Ma, Y. G. Ma, D. P. Mahapatra, R. Majka, O. I. Mall, R. Manweiler, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, A. Meschanin, R. Milner, N. G. Minaev, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, D. A. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, T. K. Nayak, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, H. Pei, T. Peitzmann, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. Redwine, R. Reed, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, L. Ruan, J. Rusnak, N. R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, J. Schaub, A. M. Schmah, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, I. Selyuzhenkov, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, F. Simon, R. N. Singaraju, M. J. Skoby, N. Smirnov, D. Solanki, P. Sorensen, U. G. de Souza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, N. L. Subba, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, A. N. Vasiliev, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, W. Zhan, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, media_common.quotation_subject, Star (game theory), Elliptic flow, 01 natural sciences, Azimuth, Nuclear physics, 0103 physical sciences, Particle, Eccentricity (behavior), 010306 general physics, Anisotropy, Cumulant, Energy (signal processing), media_common
Abstract: We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants v2 (v2{; ; 2}; ; and v2{; ; 4}; ; ) for Au+Au and Cu+Cu collisions at center-of-mass energies √sNN=62.4 and 200 GeV. The difference between v2{; ; 2}; ; 2 and v2{; ; 4}; ; 2 is related to v2 fluctuations (σv2) and nonflow (δ2). We present an upper limit to σv2/v2. Following the assumption that eccentricity fluctuations σɛ dominate v2 fluctuations σv2/v2≈σɛ/ɛ we deduce the nonflow implied for several models of eccentricity fluctuations that would be required for consistency with v2{; ; 2}; ; and v2{; ; 4}; ; . We also present results on the ratio of v2 to eccentricity.
Published: 2012

39. Measurement of theW→eνandZ/γ*→e+e−production cross sections at mid-rapidity in proton-proton collisions ats=500 GeV

Author: P. Chung, Wei Xie, J. Joseph, G. M.S. Vasconcelos, Y. Pandit, N. Schmitz, E. Shahaliev, J. W. Harris, J. L. Drachenberg, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, C. Zhong, Y. F. Wu, Olga Evdokimov, Barbara Antonina Trzeciak, Q. Wang, N. R. Sahoo, T. R. Schuster, P. Yepes, A. Davila Leyva, A. H. Tang, D. R. Gangadharan, S. K. Gupta, J. L. Romero, E. Finch, C-Q. Li, I. Bunzarov, Jay Roberts, O. I. Mall, R. P. Scharenberg, Christina Markert, M. A.C. Lamont, L-X. Han, P. Huck, D. Smirnov, H. W. Ke, H. S. Matis, Anthony Robert Timmins, X. Li, Adam Ryszard Kisiel, J. Engelage, A. Luszczak, H. J. Crawford, Y. Yi, J. Rusnak, C. A. Whitten, L. Ruan, Marcelo Gameiro Munhoz, D. J. Prindle, W. W. Jacobs, J. Lauret, L. Li, J. Seele, J. M. Landgraf, Y. A. Pan, P. Seyboth, J. G. Cramer, R. Corliss, Russell Richard Betts, R. Lednicky, T. Tarnowsky, Leszek Adamczyk, J. C. Dunlop, D. G. Underwood, R. Derradi de Souza, M. Strikhanov, P. Djawotho, J. Konzer, B. Haag, A. M. Poskanzer, Zubayer Ahammed, M. J. LeVine, I. G. Alekseev, Donika Plyku, P. R. Pujahari, C. B. Powell, H. Z. Huang, S. Vokal, M. J. M. Codrington, M. Calderon De La Barca Sanchez, F. Liu, Mariusz Przybycien, A. Kechechyan, R. Cendejas, J. Cheng, T. J. M. Symons, M. A. Lisa, Xiaofeng Luo, Zebo Tang, L. Kotchenda, Guo-Liang Ma, E. W. Oldag, William Axel Leight, D. Thein, L. C. De Silva, Janusz Chwastowski, T. S. McShane, Jongmin Lee, R. L. Ray, J. Putschke, J. Kiryluk, J. H. Chen, Xiangming Sun, G. Wang, H. Qiu, M. Tokarev, T. Ljubicic, H. Caines, Sudhir Raniwala, S. R. Klein, Q. Y. Shou, Z. P. Zhang, A. S. Hirsch, P. Kravtsov, A. M. Schmah, S. Dhamija, C. Perkins, R. D. Majka, J. Y. Chen, W. Borowski, J. Turnau, B. D. Anderson, L. E. Dunkelberger, D. L. Olson, Q. H. Xu, X. L. Wang, E. C. Aschenauer, S. Margetis, Thorsten Sven Kollegger, Z. J. Sun, N. K. Pruthi, X. Dong, J. Schambach, T. G. Dedovich, G. Eppley, J. Pluta, S. K. Pal, Justin Stevens, Y. J. Sun, T. D. S. Stanislaus, M. K. Mustafa, W. Li, B. Huang, Rene Bellwied, S. Heppelmann, Y. H. Zhu, L. M. Lima, E. P. Sichtermann, S. Kabana, Y. P. Viyogi, Y. Li, R. E. Tribble, Jize Zhao, Gerald W Hoffmann, M. Shao, G. Van Buren, H. H. Wieman, J. Balewski, Rashmi Raniwala, R. Fatemi, Michael Joseph Betancourt, R. N. Singaraju, L. Huo, Claude Andre Pruneau, T. J. Humanic, D. P. Mahapatra, K. Krueger, L. Eun, S. S. Shi, C. D. Anson, J. A. Vanfossen, T. Ullrich, J. B. Zhang, P. Ostrowski, J. E. Draper, C. M. Du, H. S. Xu, Bedangadas Mohanty, M. Cherney, Zhigang Xiao, R. Varma, James Prewitt Hays-Wehle, Lokesh Kumar, M. Sharma, B. S. Page, Xiangyuan Cui, W. Christie, D. P. Kikola, H. Pei, S. Bueltmann, B. Stringfellow, R. G. Fersch, W. M. Zhang, Li-Yi Chen, B. Morozov, Xuan Zhang, Janet Elizabeth Seger, I. Koralt, A. Dion, M. Wada, N. Xu, P. Filip, R. S. Longacre, Y. G. Ma, W. Peryt, Elena Bruna, A. K. Bhati, L. V. Nogach, Anju Bhasin, D. Keane, W. Xu, R. P. Redwine, Hanna Paulina Zbroszczyk, K. Kang, Jian Deng, G. Van Nieuwenhuizen, Nikolai Smirnov, R. Stock, Wolfgang Korsch, P. Pile, G. D. Westfall, A. Lebedev, L. G. Efimov, M. Zawisza, H. M. Spinka, F. Videbæk, G. Igo, G. Agakishiev, D. R. Beavis, T. K. Nayak, G. Webb, B. Sharma, Sukalyan Chattopadhyay, J. Bouchet, Xiaofeng Zhu, A. Banerjee, F. Ding, I. K. Yoo, D. Cebra, K. Kauder, J. Porter, J. Butterworth, Y. Panebratsev, F. Zhao, D. Grosnick, Chitrasen Jena, A. Ogawa, Y. P. Lu, L. H. Tarini, H. F. Chen, Thomas A. Trainor, E. G. Judd, L. Koroleva, Z. Barnovska, W. J. Llope, Jaroslav Bielcik, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, Michal Sumbera, R. A.N. Oliveira, C. K. Riley, A. A. P. Suaide, Rolf K. Reed, Y. N. Gorbunov, O. Hajkova, S. W. Wissink, Y. Zhang, O. V. Rogachevskiy, Nikola Poljak, J. Alford, A. Ohlson, O. D. Tsai, D. D. Koetke, M. Elnimr, L. Xue, V. A. Kizka, J. H. Thomas, S. Fazio, W. Guryn, M. C. Cervantes, Y. Fisyak, U. G. Desouza, K. Oh, O. G. Grebenyuk, J. Fedorisin, Zhiming Li, D. Kettler, Sevil Salur, G. S. Averichev, Haiyan Wang, S. Horvat, A. Szanto de Toledo, J. Kapitan, M. K. Mitrovski, X. Z. Cai, M. J. Skoby, Frank Jm Geurts, J. C. Webb, Jifa Tian, R. Witt, T. Pawlak, W. Witzke, Y. Mohammed, A. V. Alakhverdyants, S. H. Zhang, S. Mioduszewski, A. Sarkar, David Jonathan Hofman, H. Masui, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, K. Yip, J. S. Wang, R. R. Debbe, Sergey Voloshin, J. Takahashi, Jana Bielcikova, S. G. Steadman, P. Sorensen, Y. Wang, B. Pawlik, M. Naglis, L. Didenko, A. V. Brandin, Basanta Kumar Nandi, K. Xin, A. Kesich, J. Sandweiss, D. Solanki, B. Schmidke, I. Sakrejda, Y. Yang, S. LaPointe, Nilay Shah, T. P. Burton, Y. Xu, P. Chaloupka, Z. J. Xu, S. Trentalange, A. Chikanian, Vitaly Okorokov, Bernd Surrow, E. Sangaline, D. Arkhipkin, A. Hamed, C. A. Gagliardi, M. Pachr, Madan M. Aggarwal, Fuqiang Wang, A. Vossen, L. C. Bland, A. Sandacz, S. G. Brovko, M. C. Suarez, D. N. Svirida, Stephen V. Gliske, H. G. Ritter, and Nasim
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Proton, 010308 nuclear & particles physics, Parton, Electron, 7. Clean energy, 01 natural sciences, Nuclear physics, 0103 physical sciences, Rapidity, 010306 general physics, Relativistic Heavy Ion Collider, STAR detector, Lepton, Boson
Abstract: We report measurements of the charge-separated W+(-)→e+(- )+νe(ν e) and Z/γ*→e+e- production cross sections at mid-rapidity in proton-proton collisions at √s=500 GeV. These results are based on 13.2 pb-1 of data recorded in 2009 by the STAR detector at RHIC. Production cross sections for W bosons that decay via the eν channel were measured to be σ(pp→W+X)·BR(W+→e+νe)=117.3±5.9(stat)±6.2(syst)±15.2(lumi) pb, and σ(pp→W-X)·BR(W-→e-ν e)=43.3±4.6(stat)± 3.4(syst) ±5.6(lumi) pb. For Z/γ* production, σ(pp→Z/γ*X)·BR(Z/γ*→e+e- )=7.7±2.1(stat)-0.9+0.5(syst)±1.0(lumi) pb was measured for di- lepton invariant masses me+e- between 70 and 110 GeV/c2. First measurements of the W cross section ratio, σ(pp→W+X)/σ(pp→W- X), at √s=500 GeV are also reported. Theoretical predictions, calculated using recent parton distribution functions, are found to agree with the measured cross sections.
Published: 2012

40. Directed Flow of Identified Particles inAu+AuCollisions atSNN=200 GeVat RHIC

Author: M. Tokarev, T. D. S. Stanislaus, H. H. Wieman, Nasim, A. M. Poskanzer, B. Haag, A. Kechechyan, R. Cendejas, E. P. Sichtermann, L. Kotchenda, R. S. Longacre, David Jonathan Hofman, Russell Richard Betts, J. Balewski, J. L. Drachenberg, Vitaly Okorokov, Bernd Surrow, H. Z. Huang, S. Vokal, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, Rashmi Raniwala, Claude Andre Pruneau, F. Videbæk, S. K. Gupta, H. Masui, G. Webb, Sergey Voloshin, Xiangming Sun, P. Chung, Wei Xie, M. Calderon De La Barca Sanchez, J. Joseph, J. Takahashi, G. Igo, Zebo Tang, Janusz Chwastowski, D. G. Underwood, J. Putschke, T. Ullrich, G. Wang, Sukalyan Chattopadhyay, G. M.S. Vasconcelos, Y. N. Gorbunov, Y. Wang, O. Hajkova, C. A. Gagliardi, T. S. McShane, Olga Evdokimov, Barbara Antonina Trzeciak, J. Kiryluk, J. H. Chen, P. Huck, A. Chikanian, I. K. Yoo, Stephen V. Gliske, B. Sharma, J. Bouchet, C. M. Du, B. Huang, M. Pachr, Y. Pandit, W. J. Llope, K. Kauder, S. Dhamija, H. S. Xu, N. Schmitz, Jay Roberts, D. R. Gangadharan, William Axel Leight, Chitrasen Jena, Thorsten Sven Kollegger, E. Shahaliev, J. Butterworth, K. Yip, N. Xu, Anthony Robert Timmins, Adam Ryszard Kisiel, H. Pei, C. Perkins, J. Cheng, T. J. M. Symons, Z. J. Sun, Y. P. Lu, J. S. Wang, S. Heppelmann, W. Xu, Jaroslav Bielcik, Wolfgang Korsch, Haiyan Wang, H. J. Crawford, S. R. Klein, L. E. Dunkelberger, P. Filip, L. C. De Silva, D. L. Olson, B. D. Anderson, P. R. Pujahari, C. B. Powell, M. K. Mustafa, L. Eun, H. W. Ke, R. R. Debbe, J. B. Zhang, J. E. Draper, J. Porter, R. Fatemi, Michael Joseph Betancourt, E. G. Judd, Y. F. Wu, I. Koralt, O. V. Rogachevskiy, Q. H. Xu, X. Z. Cai, Xiaofeng Zhu, K. Krueger, Y. Li, N. K. Pruthi, C. D. Anson, S. Bueltmann, J. A. Vanfossen, M. Shao, Y. X. Pan, G. Van Buren, D. D. Koetke, J. Alford, L. V. Nogach, P. Seyboth, A. Ogawa, H. G. Ritter, H. F. Chen, Thomas A. Trainor, S. S. Shi, L. Xue, Jana Bielcikova, W. Guryn, G. Eppley, S. G. Steadman, D. P. Mahapatra, C-Q. Li, Madan M. Aggarwal, G. Van Nieuwenhuizen, P. Sorensen, Bedangadas Mohanty, M. Cherney, Lokesh Kumar, R. P. Scharenberg, Christina Markert, J. Pluta, E. Sangaline, Fuqiang Wang, D. Arkhipkin, Leszek Adamczyk, J. C. Dunlop, R. N. Singaraju, Elena Bruna, L. Huo, P. Pile, G. D. Westfall, J. Engelage, W. Li, Y. G. Ma, W. Peryt, H. S. Matis, R. Derradi de Souza, J. L. Romero, O. G. Grebenyuk, M. J. Skoby, Frank Jm Geurts, L. Li, A. Hamed, A. Ohlson, L. H. Tarini, R. G. Fersch, L. Didenko, Zubayer Ahammed, M. J. LeVine, W. W. Jacobs, A. Vossen, J. Fedorisin, Xiaofeng Luo, J. Turnau, Zhiming Li, Rene Bellwied, J. Lauret, E. Finch, Jifa Tian, Guo-Liang Ma, Y. H. Zhu, I. Sakrejda, L. M. Lima, R. E. Tribble, M. Wada, R. Lednicky, M. J. M. Codrington, T. Tarnowsky, P. Djawotho, Jize Zhao, J. C. Webb, J. Seele, Gerald W Hoffmann, R. A.N. Oliveira, Q. Y. Shou, T. G. Dedovich, Z. P. Zhang, Z. Barnovska, S. Horvat, A. Szanto de Toledo, A. S. Hirsch, C. K. Riley, S. H. Zhang, P. Kravtsov, A. M. Schmah, J. Kapitan, J. M. Landgraf, Michal Sumbera, A. A. P. Suaide, M. K. Mitrovski, T. P. Burton, Y. Yang, D. Solanki, T. Pawlak, W. Witzke, S. LaPointe, Y. Mohammed, Y. Fisyak, R. Witt, A. V. Alakhverdyants, S. W. Wissink, Nilay Shah, A. Sarkar, Y. Zhang, K. Oh, L. Koroleva, S. Mioduszewski, Xuan Zhang, A. V. Brandin, Nikola Poljak, K. Xin, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, M. Strikhanov, A. Kesich, Hanna Paulina Zbroszczyk, J. Konzer, D. R. Beavis, L. C. Bland, F. Zhao, Y. J. Sun, J. W. Harris, O. I. Mall, M. A.C. Lamont, L-X. Han, Zhigang Xiao, J. Sandweiss, M. Sharma, Xiangyuan Cui, W. Christie, S. Kabana, Y. P. Viyogi, Y. Xu, W. M. Zhang, T. J. Humanic, S. G. Brovko, P. Yepes, A. Davila Leyva, P. Chaloupka, Z. J. Xu, A. H. Tang, X. Li, B. Morozov, R. Varma, James Prewitt Hays-Wehle, M. C. Suarez, D. N. Svirida, I. Bunzarov, Y. Yi, J. Rusnak, B. S. Page, D. P. Kikola, Janet Elizabeth Seger, C. A. Whitten, B. Stringfellow, S. Trentalange, L. Ruan, A. Luszczak, V. A. Kizka, J. H. Thomas, J. G. Cramer, B. Pawlik, R. Corliss, M. Naglis, Anju Bhasin, U. G. Desouza, E. W. Oldag, R. P. Redwine, K. Kang, Basanta Kumar Nandi, A. Lebedev, D. Kettler, G. S. Averichev, Li-Yi Chen, F. Liu, Mariusz Przybycien, R. D. Majka, J. Y. Chen, W. Borowski, J. Schambach, M. Zawisza, H. M. Spinka, A. Banerjee, Marcelo Gameiro Munhoz, D. J. Prindle, I. G. Alekseev, Donika Plyku, M. A. Lisa, F. Ding, Y. Panebratsev, H. Bichsel, D. Grosnick, G. Odyniec, Y. Zoulkarneeva, C. Zhong, Rolf K. Reed, Q. Wang, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, L. G. Efimov, T. K. Nayak, O. D. Tsai, N. R. Sahoo, T. R. Schuster, M. Elnimr, M. C. Cervantes, Sevil Salur, Hao Qiu, Jian Deng, G. Agakishiev, D. Cebra, X. L. Wang, S. Margetis, X. Dong, S. K. Pal, Justin Stevens, Jongmin Lee, R. L. Ray, T. Ljubicic, H. Caines, Sudhir Raniwala, and D. Thein
Subjects: Excitation function, Physics, 010308 nuclear & particles physics, Nuclear Theory, General Physics and Astronomy, Transport theory, Parton, 01 natural sciences, Nuclear physics, Pion, Flow (mathematics), Antiproton, 0103 physical sciences, Atomic physics, Nuclear Experiment, 010306 general physics, Recombination, Bar (unit)
Abstract: STAR's measurements of directed flow (v(1)) around midrapidity for pi(+/-), K-+/-, K-S(0), p, and (p) over bar in Au + Au collisions at root s(NN) = 200 GeV are presented. A negative v(1) (y) slope is observed for most of produced particles (pi(+/-), K-+/-, K-S(0), p, and (p) over bar). In 5%-30% central collisions, a sizable difference is present between the v(1)(y) slope of protons and antiprotons, with the former being consistent with zero within errors. The v(1) excitation function is presented. Comparisons to model calculations (RQMD, UrQMD, AMPT, QGSM with parton recombination, and a hydrodynamics model with a tilted source) are made. For those models which have calculations of v(1) for both pions and protons, none of them can describe v(1()y) forpions and protons simultaneously. The hydrodynamics model with a tilted source as currently implemented cannot explain the centrality dependence of the difference between the v(1)(y) slopes of protons and antiprotons.
Published: 2012

41. Identified Hadron Compositions inp+pandAu+AuCollisions at High Transverse Momenta atsNN=200 GeV

Author: D. Thein, Nasim, R. A.N. Oliveira, N. Xu, P. Filip, M. Tokarev, P. Pile, G. D. Westfall, C. D. Anson, Y. Fisyak, T. D. S. Stanislaus, W. L. Zhan, D. R. Gangadharan, H. H. Wieman, K. Oh, Frank Simon, V. A. Kizka, J. H. Thomas, P. R. Pujahari, H. Bichsel, C. B. Powell, Bedangadas Mohanty, U. G. Desouza, H. Z. Huang, S. Vokal, G. Odyniec, Y. Zoulkarneeva, G. Eppley, I. Selyuzhenkov, Vitaly Okorokov, G. Wang, C. Zhong, D. Kettler, R. G. Fersch, J. C. Dunlop, Zhigang Xiao, J. Pluta, O. I. Mall, W. Li, Rene Bellwied, Y. H. Zhu, L. M. Lima, R. E. Tribble, Jize Zhao, Gerald W Hoffmann, M. Shao, G. Van Buren, M. Sharma, T. J. Humanic, Bernd Surrow, Zubayer Ahammed, K. Yip, Xiangming Sun, B. Huang, J. Engelage, B. D. Anderson, M. A.C. Lamont, L-X. Han, N. K. Pruthi, J. S. Wang, A. M. Poskanzer, Q. Wang, M. J. LeVine, P. Chung, R. R. Debbe, N. G. Minaev, S. S. Shi, M. Wada, L. Kotchenda, Z. J. Sun, G. S. Averichev, N. R. Sahoo, A. Kechechyan, T. R. Schuster, Russell Richard Betts, Wei Xie, X. Li, H. G. Ritter, D. G. Underwood, S. G. Steadman, Q. Y. Shou, Premomoy Ghosh, C. A. Gagliardi, M. Pachr, R. Cendejas, J. M. Landgraf, Anik Gupta, Anju Bhasin, R. Varma, James Prewitt Hays-Wehle, J. L. Drachenberg, H. Pei, Hao Qiu, J. Joseph, S. K. Gupta, P. Seyboth, J. Rusnak, R. S. Longacre, J. Porter, R. P. Redwine, J. Kiryluk, J. H. Chen, B. S. Page, Y. G. Ma, W. Peryt, C. A. Whitten, L. Ruan, Olga Evdokimov, Barbara Antonina Trzeciak, G. M.S. Vasconcelos, K. Kang, Sergey Voloshin, D. P. Kikola, Lee Stuart Barnby, O. D. Tsai, M. Strikhanov, M. K. Mustafa, J. Konzer, A. Lebedev, M. Naglis, L. H. Tarini, R. Corliss, Michal Sumbera, A. A. P. Suaide, Jaroslav Bielcik, W. J. Llope, B. Stringfellow, Jorn Henning Putschke, L. Koroleva, M. J. Skoby, Frank Jm Geurts, T. S. McShane, Y. Wang, Y. Li, S. Bueltmann, Jian Deng, Jay Roberts, I. Koralt, R. Derradi de Souza, J. Sandweiss, A. V. Brandin, Y. Pandit, G. Igo, L. V. Nogach, A. Ohlson, O. V. Rogachevskiy, Jifa Tian, Ermes Braidot, J. Cheng, M. Elnimr, T. J. M. Symons, Ross Milner, M. C. Cervantes, J. Bouchet, G. Van Nieuwenhuizen, Mitali Mondal, M. J. M. Codrington, D. Cebra, K. Kauder, D. D. Koetke, Matthew Walker, N. Schmitz, D. Solanki, M. Estienne, L. C. De Silva, L. Xue, D. P. Mahapatra, Anthony Robert Timmins, D. A. Morozov, Haiyan Wang, Adam Ryszard Kisiel, V. Fine, S. W. Wissink, Li-Yi Chen, H. W. Ke, Xiangyuan Cui, W. Christie, H. J. Crawford, S. H. Zhang, Y. J. Sun, Xuan Zhang, X. Z. Cai, E. V. Lukashov, Basanta Kumar Nandi, R. Fatemi, Michael Joseph Betancourt, Q. H. Xu, E. Shahaliev, W. M. Zhang, Andrey Vasiliev, Marcelo Gameiro Munhoz, D. J. Prindle, Hanna Paulina Zbroszczyk, Nikola Poljak, Thorsten Sven Kollegger, B. Haag, K. Krueger, M. Zawisza, H. M. Spinka, Elena Bruna, David Jonathan Hofman, H. Masui, S. Kabana, Y. P. Viyogi, J. A. Vanfossen, L. C. Bland, I. Sakrejda, R. N. Singaraju, L. Huo, B. Morozov, D. R. Beavis, I. G. Alekseev, Janet Elizabeth Seger, Donika Plyku, A. Szanto de Toledo, Zebo Tang, A. P. Meschanin, J. Kapitan, S. Heppelmann, M. A. Lisa, M. K. Mitrovski, F. Zhao, M. Cherney, Lokesh Kumar, J. Takahashi, J. G. Cramer, Y. Yang, S. G. Brovko, Sevil Salur, F. Liu, S. LaPointe, T. Pawlak, A. Gordon, Nilay Shah, S. B. Nurushev, W. Witzke, Guo-Liang Ma, Y. Mohammed, I. K. Yoo, R. Witt, A. V. Alakhverdyants, C. Perkins, T. G. Dedovich, M. C. Suarez, D. N. Svirida, J. B. Zhang, J. E. Draper, Y. F. Wu, A. Sarkar, A. Chikanian, S. Mioduszewski, T. Peitzmann, Y. Panebratsev, D. Grosnick, R. D. Majka, J. Y. Chen, E. W. Oldag, W. Borowski, J. Schambach, Donald M. McDonald, E. G. Judd, Prithwish Tribedy, B. K. Srivastava, Yi Zhang, J. Alford, Rolf K. Reed, Z. P. Zhang, E. Sangaline, D. Arkhipkin, A. Hamed, W. Guryn, A. S. Hirsch, P. Kravtsov, O. G. Grebenyuk, A. M. Schmah, A. K. Bhati, D. Keane, J. Fedorisin, Nikolai Smirnov, R. Stock, J. L. Romero, L. G. Efimov, E. Finch, T. K. Nayak, T. P. Burton, F. Videbæk, G. Webb, Sukalyan Chattopadhyay, Y. Xu, P. Chaloupka, Chitrasen Jena, Z. J. Xu, S. Trentalange, Y. P. Lu, W. Xu, Wolfgang Korsch, Xiaofeng Zhu, A. Ogawa, H. F. Chen, Thomas A. Trainor, C-Q. Li, R. P. Scharenberg, Christina Markert, H. S. Matis, W. W. Jacobs, J. Lauret, R. Lednicky, T. Tarnowsky, P. Djawotho, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, Y. N. Gorbunov, O. Hajkova, M. Calderon De La Barca Sanchez, J. W. Harris, P. Yepes, A. Davila Leyva, X. G. Luo, A. H. Tang, I. Bunzarov, L. Li, J. Seele, Jana Bielcikova, P. Sorensen, G. Agakishiev, L. Didenko, Zhiming Li, J. C. Webb, P. Fachini, William Axel Leight, S. R. Klein, D. L. Olson, A. A. Derevschikov, Jongmin Lee, R. L. Ray, T. Ljubicic, H. Caines, Sudhir Raniwala, X. L. Wang, S. Margetis, X. Dong, S. K. Pal, Justin Stevens, E. P. Sichtermann, J. Balewski, Rashmi Raniwala, Claude Andre Pruneau, T. Ullrich, C. M. Du, H. S. Xu, L. Eun, Madan M. Aggarwal, and Fuqiang Wang
Subjects: Physics, Energy loss, Particle physics, 010308 nuclear & particles physics, Hadron, General Physics and Astronomy, Parton, 01 natural sciences, Nuclear physics, Casimir effect, Transverse plane, 0103 physical sciences, Transverse momentum, Fragmentation function, Yield ratio, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics
Abstract: We report transverse momentum (p(T) = 8 GeV/c are measured to be similar to the p + p results, despite the expected Casimir effect for parton energy loss.
Published: 2012

42. Strangeness Enhancement in Cu-Cu and Au-Au Collisions atsNN=200 GeV

Author: L. Kotchenda, Bedangadas Mohanty, E. P. Sichtermann, R. G. Fersch, J. Balewski, Rashmi Raniwala, Claude Andre Pruneau, T. Ullrich, C. M. Du, H. S. Xu, L. Eun, M. Calderon De La Barca Sanchez, M. Wada, R. Fatemi, Michael Joseph Betancourt, M. K. Mustafa, K. Krueger, T. S. McShane, D. P. Mahapatra, Jongmin Lee, R. L. Ray, T. Ljubicic, H. Caines, Sudhir Raniwala, J. A. Vanfossen, X. L. Wang, C. Zhong, Thorsten Sven Kollegger, S. Heppelmann, X. Dong, S. K. Pal, Justin Stevens, M. Cherney, Lokesh Kumar, Matthew Walker, F. Liu, J. B. Zhang, D. D. Koetke, J. E. Draper, Y. J. Sun, J. L. Romero, T. P. Burton, R. Manweiler, Hongfang Liu, J. Engelage, R. D. Majka, Li-Yi Chen, J. Y. Chen, W. Borowski, S. Margetis, J. Schambach, S. Kabana, E. Finch, A. M. Poskanzer, Premomoy Ghosh, J. M. Landgraf, Y. P. Viyogi, Xiangyuan Cui, W. Christie, David Jonathan Hofman, H. Masui, F. Videbæk, M. Zawisza, H. M. Spinka, Mateusz Andrzej Ploskon, R. Witt, G. Webb, Q. H. Xu, A. Kechechyan, W. M. Zhang, Andrey Vasiliev, L. Li, S. Mioduszewski, R. A.N. Oliveira, B. Morozov, J. Seele, M. Krus, R. Cendejas, J. Porter, Peter Martin Jacobs, Janet Elizabeth Seger, O. I. Mall, Madan M. Aggarwal, Anju Bhasin, J. Takahashi, D. Thein, Fuqiang Wang, R. P. Redwine, M. A.C. Lamont, L-X. Han, Donald M. McDonald, S. B. Nurushev, L. H. Tarini, J. W. Harris, Prithwish Tribedy, Chitrasen Jena, A. Lebedev, H. Pei, Y. Fisyak, E. Hjort, B. K. Srivastava, R. N. Singaraju, L. Huo, Jana Bielcikova, A. P. Meschanin, Y. F. Wu, M. Tokarev, K. Oh, L. Koroleva, Yong Xu, Y. P. Lu, P. Yepes, A. Davila Leyva, S. Chattopadhyay, B. V.K.S. Potukuchi, W. Xu, Wolfgang Korsch, X. G. Luo, Ross Milner, A. H. Tang, G. Wang, P. Seyboth, W. J. Llope, I. Bunzarov, Jian Deng, P. Sorensen, T. D. S. Stanislaus, G. Agakishiev, Zhigang Xiao, M. Sharma, H. H. Wieman, I. Koralt, Peter Graham Jones, R. Derradi de Souza, S. K. Gupta, D. Cebra, N. G. Minaev, M. Estienne, Kejun Kang, L. V. Nogach, W. L. Zhan, A. Ohlson, Xiaofeng Zhu, I. K. Yoo, Y.Y. Li, Frank Simon, Marcelo Gameiro Munhoz, D. J. Prindle, G. Van Nieuwenhuizen, J. H. Thomas, U. G. Desouza, Xuan Zhang, Jie Liu, Ermes Braidot, P. Chung, A. Ogawa, M. J. M. Codrington, L. Didenko, I. G. Alekseev, Donika Plyku, H. F. Chen, M. A. Lisa, V. Fine, Thomas A. Trainor, E. G. Judd, Anthony Robert Timmins, Adam Ryszard Kisiel, Wei Xie, Hanna Paulina Zbroszczyk, H. J. Crawford, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, E. V. Lukashov, D. R. Beavis, J. Joseph, William Axel Leight, J. G. Cramer, G. M.S. Vasconcelos, Q. Wang, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, N. R. Sahoo, Haiyan Wang, S. R. Klein, Y. Pandit, T. R. Schuster, N. L. Subba, D. Kettler, N. Schmitz, E. Shahaliev, F. Zhao, D. L. Olson, C-Q. Li, R. P. Scharenberg, Christina Markert, X. Z. Cai, Jay Roberts, H. Z. Huang, S. Vokal, G. S. Averichev, A. A. Derevschikov, H. W. Ke, R. S. Longacre, M. Shao, G. Van Buren, I. Selyuzhenkov, Michal Sumbera, A. A. P. Suaide, Vitaly Okorokov, Bernd Surrow, S. S. Shi, E. W. Oldag, S. W. Wissink, A. Bridgeman, G. Igo, J. Kiryluk, Nikola Poljak, J. H. Chen, J. Bouchet, Russell Richard Betts, J. Schaub, K. Kauder, J. M. Nelson, Zhenyu Zhang, D. A. Morozov, Z. J. Sun, D. G. Underwood, B. Haag, W. Peryt, J. Cheng, T. J. M. Symons, Zhiming Li, Zebo Tang, A. K. Bhati, L. C. De Silva, Sergey Voloshin, D. Keane, T. G. Dedovich, Nikolai Smirnov, R. Stock, J. C. Dunlop, A. Szanto de Toledo, L. G. Efimov, J. Kapitan, J. C. Webb, Zubayer Ahammed, S. M. Dogra, T. J. Humanic, M. J. LeVine, T. K. Nayak, T. Pawlak, W. Witzke, Y. Mohammed, A. V. Alakhverdyants, A. Sarkar, C. Perkins, O. D. Tsai, S. Bueltmann, J. Alford, Q. Y. Shou, W. Guryn, O. G. Grebenyuk, M. Elnimr, M. C. Cervantes, J. Fedorisin, T. Peitzmann, A. G. Knospe, P. R. Pujahari, C. B. Powell, R. Varma, James Prewitt Hays-Wehle, B. S. Page, Anik Gupta, D. P. Kikola, Elena Bruna, B. Stringfellow, Sevil Salur, Y. Wang, M. J. Skoby, Frank Jm Geurts, Y. Panebratsev, D. Grosnick, V. Kouchpil, Jifa Tian, Guo-Liang Ma, Yi Zhang, Rolf K. Reed, S. H. Zhang, A. S. Hirsch, P. Kravtsov, Yinina Ma, A. M. Schmah, M. Strikhanov, J. Konzer, Ki-Seok Choi, J. Sandweiss, D. R. Gangadharan, K. Yip, J. S. Wang, R. R. Debbe, H. S. Matis, S. G. Steadman, W. W. Jacobs, J. Lauret, I. Sakrejda, X. Li, M. Naglis, J. Rusnak, C. A. Whitten, R. Lednicky, Feng Jin, L. Ruan, L. C. Bland, R. Corliss, Y. Yang, T. Tarnowsky, P. Djawotho, N. Xu, P. Filip, Basanta Kumar Nandi, M. K. Mitrovski, S. LaPointe, N. Li, P. Pile, G. D. Westfall, A. Gordon, Nilay Shah, S. G. Brovko, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, M. C. Suarez, D. N. Svirida, A. Chikanian, Xiangming Sun, B. Huang, V. Kizka, Hao Qiu, Y. N. Gorbunov, B. D. Anderson, O. Hajkova, E. Sangaline, D. Arkhipkin, A. Hamed, N. K. Pruthi, G. Eppley, D. Solanki, J. Pluta, W. Li, Rene Bellwied, Y. H. Zhu, L. M. Lima, R. E. Tribble, Jize Zhao, Gerald W Hoffmann, C. A. Gagliardi, M. Pachr, Jorn Henning Putschke, A. V. Brandin, M. Heinz, Lee Stuart Barnby, Jaroslav Bielcik, Nirbhay Kumar Behera, H. G. Ritter, O. V. Rogachevskiy, Mitali Mondal, L. Xue, P. Chaloupka, Z. J. Xu, S. Trentalange, and C. D. Anson
Subjects: Physics, Quantitative Biology::Neurons and Cognition, 010308 nuclear & particles physics, Hadron, General Physics and Astronomy, chemistry.chemical_element, Strangeness, Lambda, 01 natural sciences, Omega, Copper, Nuclear physics, chemistry, 0103 physical sciences, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, Nucleon, Relativistic Heavy Ion Collider, Bar (unit)
Abstract: We report new STAR measurements of midrapidity yields for the Lambda, (Lambda) over bar, K-S(0), Xi(-), (Xi) over bar (+), Omega(-), (Omega) over bar (+) particles in Cu + Cu collisions at root s(NN) = 200 GeV, and midrapidity yields for the Lambda, (Lambda) over bar, K-S(0) particles in Au + Au at root s(NN) = 200 GeV. We show that, at a given number of participating nucleons, the production of strange hadrons is higher in Cu + Cu collisions than in Au + Au collisions at the same center-of-mass energy. We find that aspects of the enhancement factors for all particles can be described by a parametrization based on the fraction of participants that undergo multiple collisions.
Published: 2012

43. ρ0photoproduction in AuAu collisions atsNN=62.4GeV measured with the STAR detector

Author: G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, G. S. Averichev, J. Balewski, D. R. Beavis, N. K. Behera, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, E. Braidot, A. V. Brandin, A. Bridgeman, S. G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, K. E. Choi, W. Christie, P. Chung, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, A. A. Derevschikov, R. Derradi de Souza, L. Didenko, P. Djawotho, S. M. Dogra, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, M. Estienne, L. Eun, O. Evdokimov, R. Fatemi, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C. A. Gagliardi, F. Geurts, P. Ghosh, Y. N. Gorbunov, A. Gordon, O. G. Grebenyuk, D. Grosnick, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, M. Heinz, S. Heppelmann, A. Hirsch, E. Hjort, G. W. Hoffmann, D. J. Hofman, B. Huang, H. Z. Huang, T. J. Humanic, L. Huo, G. Igo, P. Jacobs, W. W. Jacobs, C. Jena, F. Jin, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, S. R. Klein, A. G. Knospe, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, V. Kouchpil, P. Kravtsov, K. Krueger, M. Krus, L. Kumar, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, N. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, H. Liu, J. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, E. V. Lukashov, X. Luo, G. L. Ma, Y. G. Ma, D. P. Mahapatra, R. Majka, O. I. Mall, R. Manweiler, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, A. Meschanin, R. Milner, N. G. Minaev, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, D. A. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, T. K. Nayak, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, H. Pei, T. Peitzmann, C. Perkins, W. Peryt, P. Pile, M. Planinic, M. A. Ploskon, J. Pluta, D. Plyku, N. Poljak, J. Porter, A. M. Poskanzer, B. V. K. S. Potukuchi, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, L. Ruan, J. Rusnak, N. R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, J. Schaub, A. M. Schmah, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, I. Selyuzhenkov, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, F. Simon, R. N. Singaraju, M. J. Skoby, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, N. L. Subba, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, T. A. Trainor, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, A. N. Vasiliev, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, W. Zhan, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Nuclear Theory, Theoretical models, Virtual particle, 01 natural sciences, Nuclear physics, medicine.anatomical_structure, 0103 physical sciences, medicine, High Energy Physics::Experiment, Vector meson, Center of mass, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Nucleus, STAR detector
Abstract: Vector mesons may be photoproduced in relativistic heavy-ion collisions when a virtual photon emitted by one nucleus scatters from the other nucleus, emerging as a vector meson. The STAR Collaboration has previously presented measurements of coherent rho(0) photoproduction at center of mass energies of 130 GeV and 200 GeV in AuAu collisions. Here, we present a measurement of the cross section at 62.4 GeV; we find that the cross section for coherent rho(0) photoproduction with nuclear breakup is 10.5 +/- 1.5 +/- 1.6mb at 62.4 GeV. The cross-section ratio between 200 GeV and 62.4 GeV is 4.4 +/- 0.6, less than is predicted by most theoretical models. It is, however, proportionally much larger than the previously observed 15% +/- 55% increase between 130 GeV and 200 GeV.
Published: 2012

44. Directed and elliptic flow of charged particles in Cu+Cu collisions atsNN=22.4GeV

Author: G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, G. S. Averichev, J. Balewski, D. R. Beavis, N. K. Behera, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, E. Braidot, A. V. Brandin, A. Bridgeman, S. G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, K. E. Choi, W. Christie, P. Chung, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, null Cui, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, A. A. Derevschikov, R. Derradi de Souza, L. Didenko, P. Djawotho, S. M. Dogra, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, M. Estienne, L. Eun, O. Evdokimov, R. Fatemi, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, F. Geurts, P. Ghosh, Y. N. Gorbunov, A. Gordon, O. G. Grebenyuk, D. Grosnick, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, J. W. Harris, J. P. Hays-Wehle, M. Heinz, S. Heppelmann, A. Hirsch, E. Hjort, G. W. Hoffmann, D. J. Hofman, B. Huang, H. Z. Huang, T. J. Humanic, L. Huo, G. Igo, P. Jacobs, W. W. Jacobs, C. Jena, F. Jin, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, S. R. Klein, A. G. Knospe, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, V. Kouchpil, P. Kravtsov, K. Krueger, M. Krus, L. Kumar, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, N. Li, W. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, H. Liu, J. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, E. V. Lukashov, X. Luo, G. L. Ma, Y. G. Ma, D. P. Mahapatra, R. Majka, O. I. Mall, R. Manweiler, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, A. Meschanin, R. Milner, N. G. Minaev, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, D. A. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, T. K. Nayak, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A. N. Oliveira, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, H. Pei, T. Peitzmann, C. Perkins, W. Peryt, P. Pile, M. Planinic, M. A. Ploskon, J. Pluta, D. Plyku, N. Poljak, J. Porter, A. M. Poskanzer, B. V. K. S. Potukuchi, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, L. Ruan, J. Rusnak, N. R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, J. Schaub, A. M. Schmah, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, I. Selyuzhenkov, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, F. Simon, R. N. Singaraju, M. J. Skoby, N. Smirnov, D. Solanki, P. Sorensen, U. G. deSouza, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, N. L. Subba, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, A. N. Vasiliev, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, K. Yip, I.-K. Yoo, M. Zawisza, H. Zbroszczyk, W. Zhan, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), Time projection chamber, Quantitative Biology::Neurons and Cognition, 010308 nuclear & particles physics, Elliptic flow, 01 natural sciences, Charged particle, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, Particle, Atomic physics, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, STAR detector
Abstract: This paper reports results for directed flow v1 and elliptic flow v2 of charged particles in Cu + Cu collisions at √sNN=22.4 GeV at the Relativistic Heavy Ion Collider. The measurements are for the 0–60% most central collisions, using charged particles observed in the STAR detector. Our measurements extend to 22.4-GeV Cu + Cu collisions the prior observation that v1 is independent of the system size at 62.4 and 200 GeV and also extend the scaling of v1 with η/ybeam to this system. The measured v2(pT) in Cu + Cu collisions is similar for √sNN throughout the range 22.4 to 200 GeV. We also report a comparison with results from transport model (ultrarelativistic quantum molecular dynamics and multiphase transport model) calculations. The model results do not agree quantitatively with the measured v1(η), v2(pT), and v2(η).
Published: 2012

45. Directed flow of identified particles in Au+Au collisions at √[SNN]=200 GeV at RHIC

Author: L, Adamczyk, G, Agakishiev, M M, Aggarwal, Z, Ahammed, A V, Alakhverdyants, I, Alekseev, J, Alford, B D, Anderson, C D, Anson, D, Arkhipkin, G S, Averichev, J, Balewski, A, Banerjee, Z, Barnovska, D R, Beavis, R, Bellwied, M J, Betancourt, R R, Betts, A, Bhasin, A K, Bhati, H, Bichsel, J, Bielcik, J, Bielcikova, L C, Bland, I G, Bordyuzhin, W, Borowski, J, Bouchet, A V, Brandin, S G, Brovko, E, Bruna, S, Bueltmann, I, Bunzarov, T P, Burton, J, Butterworth, X Z, Cai, H, Caines, M, Calderón de la Barca Sánchez, D, Cebra, R, Cendejas, M C, Cervantes, P, Chaloupka, S, Chattopadhyay, H F, Chen, J H, Chen, J Y, Chen, L, Chen, J, Cheng, M, Cherney, A, Chikanian, W, Christie, P, Chung, J, Chwastowski, M J M, Codrington, R, Corliss, J G, Cramer, H J, Crawford, X, Cui, A, Davila Leyva, L C, De Silva, R R, Debbe, T G, Dedovich, J, Deng, R, Derradi de Souza, S, Dhamija, L, Didenko, F, Ding, P, Djawotho, X, Dong, J L, Drachenberg, J E, Draper, C M, Du, L E, Dunkelberger, J C, Dunlop, L G, Efimov, M, Elnimr, J, Engelage, G, Eppley, L, Eun, O, Evdokimov, R, Fatemi, J, Fedorisin, R G, Fersch, P, Filip, E, Finch, Y, Fisyak, C A, Gagliardi, D R, Gangadharan, F, Geurts, S, Gliske, Y N, Gorbunov, O G, Grebenyuk, D, Grosnick, S, Gupta, W, Guryn, B, Haag, O, Hajkova, A, Hamed, L-X, Han, J W, Harris, J P, Hays-Wehle, S, Heppelmann, A, Hirsch, G W, Hoffmann, D J, Hofman, S, Horvat, B, Huang, H Z, Huang, P, Huck, T J, Humanic, L, Huo, G, Igo, W W, Jacobs, C, Jena, J, Joseph, E G, Judd, S, Kabana, K, Kang, J, Kapitan, K, Kauder, H W, Ke, D, Keane, A, Kechechyan, A, Kesich, D, Kettler, D P, Kikola, J, Kiryluk, A, Kisiel, V, Kizka, S R, Klein, D D, Koetke, T, Kollegger, J, Konzer, I, Koralt, L, Koroleva, W, Korsch, L, Kotchenda, P, Kravtsov, K, Krueger, L, Kumar, M A C, Lamont, J M, Landgraf, S, LaPointe, J, Lauret, A, Lebedev, R, Lednicky, J H, Lee, W, Leight, M J, LeVine, C, Li, L, Li, W, Li, X, Li, Y, Li, Z M, Li, L M, Lima, M A, Lisa, F, Liu, T, Ljubicic, W J, Llope, R S, Longacre, Y, Lu, X, Luo, A, Luszczak, G L, Ma, Y G, Ma, D P, Mahapatra, R, Majka, O I, Mall, S, Margetis, C, Markert, H, Masui, H S, Matis, D, McDonald, T S, McShane, S, Mioduszewski, M K, Mitrovski, Y, Mohammed, B, Mohanty, B, Morozov, M G, Munhoz, M K, Mustafa, M, Naglis, B K, Nandi, Md, Nasim, T K, Nayak, L V, Nogach, G, Odyniec, A, Ogawa, K, Oh, A, Ohlson, V, Okorokov, E W, Oldag, R A N, Oliveira, D, Olson, M, Pachr, B S, Page, S K, Pal, Y X, Pan, Y, Pandit, Y, Panebratsev, T, Pawlak, B, Pawlik, H, Pei, C, Perkins, W, Peryt, P, Pile, M, Planinic, J, Pluta, D, Plyku, N, Poljak, J, Porter, A M, Poskanzer, C B, Powell, D, Prindle, C, Pruneau, N K, Pruthi, M, Przybycien, P R, Pujahari, J, Putschke, H, Qiu, R, Raniwala, S, Raniwala, R L, Ray, R, Redwine, R, Reed, C K, Riley, H G, Ritter, J B, Roberts, O V, Rogachevskiy, J L, Romero, L, Ruan, J, Rusnak, N R, Sahoo, I, Sakrejda, S, Salur, J, Sandweiss, E, Sangaline, A, Sarkar, J, Schambach, R P, Scharenberg, A M, Schmah, N, Schmitz, T R, Schuster, J, Seele, J, Seger, P, Seyboth, N, Shah, E, Shahaliev, M, Shao, B, Sharma, M, Sharma, S S, Shi, Q Y, Shou, E P, Sichtermann, R N, Singaraju, M J, Skoby, N, Smirnov, D, Solanki, P, Sorensen, U G, deSouza, H M, Spinka, B, Srivastava, T D S, Stanislaus, S G, Steadman, J R, Stevens, R, Stock, M, Strikhanov, B, Stringfellow, A A P, Suaide, M C, Suarez, M, Sumbera, X M, Sun, Y, Sun, Z, Sun, B, Surrow, D N, Svirida, T J M, Symons, A, Szanto de Toledo, J, Takahashi, A H, Tang, Z, Tang, L H, Tarini, T, Tarnowsky, D, Thein, J H, Thomas, J, Tian, A R, Timmins, D, Tlusty, M, Tokarev, T A, Trainor, S, Trentalange, R E, Tribble, P, Tribedy, B A, Trzeciak, O D, Tsai, J, Turnau, T, Ullrich, D G, Underwood, G, Van Buren, G, van Nieuwenhuizen, J A, Vanfossen, R, Varma, G M S, Vasconcelos, F, Videbæk, Y P, Viyogi, S, Vokal, S A, Voloshin, A, Vossen, M, Wada, F, Wang, G, Wang, H, Wang, J S, Wang, Q, Wang, X L, Wang, Y, Wang, G, Webb, J C, Webb, G D, Westfall, C, Whitten, H, Wieman, S W, Wissink, R, Witt, W, Witzke, Y F, Wu, Z, Xiao, W, Xie, K, Xin, H, Xu, N, Xu, Q H, Xu, W, Xu, Y, Xu, Z, Xu, L, Xue, Y, Yang, P, Yepes, Y, Yi, K, Yip, I-K, Yoo, M, Zawisza, H, Zbroszczyk, J B, Zhang, S, Zhang, W M, Zhang, X P, Zhang, Y, Zhang, Z P, Zhang, F, Zhao, J, Zhao, C, Zhong, X, Zhu, Y H, Zhu, and Y, Zoulkarneeva
Abstract: STAR's measurements of directed flow (v1) around midrapidity for π±, K±, KS0, p, and p[over ¯] in Au+Au collisions at √[sNN]=200 GeV are presented. A negative v1(y) slope is observed for most of produced particles (π±, K±, KS0, and p[over ¯]). In 5%-30% central collisions, a sizable difference is present between the v1(y) slope of protons and antiprotons, with the former being consistent with zero within errors. The v1 excitation function is presented. Comparisons to model calculations (RQMD, UrQMD, AMPT, QGSM with parton recombination, and a hydrodynamics model with a tilted source) are made. For those models which have calculations of v1 for both pions and protons, none of them can describe v1(y) for pions and protons simultaneously. The hydrodynamics model with a tilted source as currently implemented cannot explain the centrality dependence of the difference between the v1(y) slopes of protons and antiprotons.
Published: 2011

46. Identified hadron compositions in p+p and Au+Au collisions at high transverse momenta at √S(NN)=200 GeV

Author: G, Agakishiev, M M, Aggarwal, Z, Ahammed, A V, Alakhverdyants, I, Alekseev, J, Alford, B D, Anderson, C D, Anson, D, Arkhipkin, G S, Averichev, J, Balewski, L S, Barnby, D R, Beavis, R, Bellwied, M J, Betancourt, R R, Betts, A, Bhasin, A K, Bhati, H, Bichsel, J, Bielcik, J, Bielcikova, L C, Bland, I G, Bordyuzhin, W, Borowski, J, Bouchet, E, Braidot, A V, Brandin, S G, Brovko, E, Bruna, S, Bueltmann, I, Bunzarov, T P, Burton, X Z, Cai, H, Caines, M Calderón de la Barca, Sánchez, D, Cebra, R, Cendejas, M C, Cervantes, P, Chaloupka, S, Chattopadhyay, H F, Chen, J H, Chen, J Y, Chen, L, Chen, J, Cheng, M, Cherney, A, Chikanian, W, Christie, P, Chung, M J M, Codrington, R, Corliss, J G, Cramer, H J, Crawford, X, Cui, A Davila, Leyva, L C, De Silva, R R, Debbe, T G, Dedovich, J, Deng, A A, Derevschikov, R Derradi, de Souza, L, Didenko, P, Djawotho, X, Dong, J L, Drachenberg, J E, Draper, C M, Du, J C, Dunlop, L G, Efimov, M, Elnimr, J, Engelage, G, Eppley, M, Estienne, L, Eun, O, Evdokimov, P, Fachini, R, Fatemi, J, Fedorisin, R G, Fersch, P, Filip, E, Finch, V, Fine, Y, Fisyak, C A, Gagliardi, D R, Gangadharan, F, Geurts, P, Ghosh, Y N, Gorbunov, A, Gordon, O G, Grebenyuk, D, Grosnick, A, Gupta, S, Gupta, W, Guryn, B, Haag, O, Hajkova, A, Hamed, L-X, Han, J W, Harris, J P, Hays-Wehle, S, Heppelmann, A, Hirsch, G W, Hoffmann, D J, Hofman, B, Huang, H Z, Huang, T J, Humanic, L, Huo, G, Igo, W W, Jacobs, C, Jena, J, Joseph, E G, Judd, S, Kabana, K, Kang, J, Kapitan, K, Kauder, H W, Ke, D, Keane, A, Kechechyan, D, Kettler, D P, Kikola, J, Kiryluk, A, Kisiel, V, Kizka, S R, Klein, D D, Koetke, T, Kollegger, J, Konzer, I, Koralt, L, Koroleva, W, Korsch, L, Kotchenda, P, Kravtsov, K, Krueger, L, Kumar, M A C, Lamont, J M, Landgraf, S, LaPointe, J, Lauret, A, Lebedev, R, Lednicky, J H, Lee, W, Leight, M J, LeVine, C, Li, L, Li, W, Li, X, Li, Y, Li, Z M, Li, L M, Lima, M A, Lisa, F, Liu, T, Ljubicic, W J, Llope, R S, Longacre, Y, Lu, E V, Lukashov, X, Luo, G L, Ma, Y G, Ma, D P, Mahapatra, R, Majka, O I, Mall, S, Margetis, C, Markert, H, Masui, H S, Matis, D, McDonald, T S, McShane, A, Meschanin, R, Milner, N G, Minaev, S, Mioduszewski, M K, Mitrovski, Y, Mohammed, B, Mohanty, M M, Mondal, B, Morozov, D A, Morozov, M G, Munhoz, M K, Mustafa, M, Naglis, B K, Nandi, Md, Nasim, T K, Nayak, L V, Nogach, S B, Nurushev, G, Odyniec, A, Ogawa, K, Oh, A, Ohlson, V, Okorokov, E W, Oldag, R A N, Oliveira, D, Olson, M, Pachr, B S, Page, S K, Pal, Y, Pandit, Y, Panebratsev, T, Pawlak, H, Pei, T, Peitzmann, C, Perkins, W, Peryt, P, Pile, M, Planinic, J, Pluta, D, Plyku, N, Poljak, J, Porter, A M, Poskanzer, C B, Powell, D, Prindle, C, Pruneau, N K, Pruthi, P R, Pujahari, J, Putschke, H, Qiu, R, Raniwala, S, Raniwala, R L, Ray, R, Redwine, R, Reed, H G, Ritter, J B, Roberts, O V, Rogachevskiy, J L, Romero, L, Ruan, J, Rusnak, N R, Sahoo, I, Sakrejda, S, Salur, J, Sandweiss, E, Sangaline, A, Sarkar, J, Schambach, R P, Scharenberg, A M, Schmah, N, Schmitz, T R, Schuster, J, Seele, J, Seger, I, Selyuzhenkov, P, Seyboth, N, Shah, E, Shahaliev, M, Shao, M, Sharma, S S, Shi, Q Y, Shou, E P, Sichtermann, F, Simon, R N, Singaraju, M J, Skoby, N, Smirnov, D, Solanki, P, Sorensen, U G, deSouza, H M, Spinka, B, Srivastava, T D S, Stanislaus, S G, Steadman, J R, Stevens, R, Stock, M, Strikhanov, B, Stringfellow, A A P, Suaide, M C, Suarez, M, Sumbera, X M, Sun, Y, Sun, Z, Sun, B, Surrow, D N, Svirida, T J M, Symons, A Szanto, de Toledo, J, Takahashi, A H, Tang, Z, Tang, L H, Tarini, T, Tarnowsky, D, Thein, J H, Thomas, J, Tian, A R, Timmins, D, Tlusty, M, Tokarev, T A, Trainor, S, Trentalange, R E, Tribble, P, Tribedy, B A, Trzeciak, O D, Tsai, T, Ullrich, D G, Underwood, G, Van Buren, G, van Nieuwenhuizen, J A, Vanfossen, R, Varma, G M S, Vasconcelos, A N, Vasiliev, F, Videbæk, Y P, Viyogi, S, Vokal, S A, Voloshin, M, Wada, M, Walker, F, Wang, G, Wang, H, Wang, J S, Wang, Q, Wang, X L, Wang, Y, Wang, G, Webb, J C, Webb, G D, Westfall, C, Whitten, H, Wieman, S W, Wissink, R, Witt, W, Witzke, Y F, Wu, Z, Xiao, W, Xie, H, Xu, N, Xu, Q H, Xu, W, Xu, Y, Xu, Z, Xu, L, Xue, Y, Yang, P, Yepes, K, Yip, I-K, Yoo, M, Zawisza, H, Zbroszczyk, W, Zhan, J B, Zhang, S, Zhang, W M, Zhang, X P, Zhang, Y, Zhang, Z P, Zhang, F, Zhao, J, Zhao, C, Zhong, X, Zhu, Y H, Zhu, and Y, Zoulkarneeva
Abstract: We report transverse momentum (p(T)≤15 GeV/c) spectra of π(±), K(±), p, p[over ¯], K(S)(0), and ρ(0) at midrapidity in p+p and Au+Au collisions at √S(NN)=200 GeV. Perturbative QCD calculations are consistent with π(±) spectra in p+p collisions but do not reproduce K and p(p[over ¯]) spectra. The observed decreasing antiparticle-to-particle ratios with increasing p(T) provide experimental evidence for varying quark and gluon jet contributions to high-p(T) hadron yields. The relative hadron abundances in Au+Au at p(T)≳8 GeV/c are measured to be similar to the p+p results, despite the expected Casimir effect for parton energy loss.
Published: 2011

47. K*0production in Cu+Cu and Au+Au collisions atsNN=62.4GeV and 200 GeV

Author: M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, G. S. Averichev, J. Balewski, L. S. Barnby, S. Baumgart, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, B. Biritz, L. C. Bland, B. E. Bonner, J. Bouchet, E. Braidot, A. V. Brandin, A. Bridgeman, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, X. Z. Cai, H. Caines, M. Calderon de la Barca Sanchez, O. Catu, D. Cebra, R. Cendejas, M. C. Cervantes, Z. Chajecki, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, J. Cheng, M. Cherney, A. Chikanian, K. E. Choi, W. Christie, P. Chung, R. F. Clarke, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, D. Das, S. Dash, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, A. A. Derevschikov, R. Derradi de Souza, L. Didenko, P. Djawotho, S. M. Dogra, X. Dong, J. L. Drachenberg, J. E. Draper, J. C. Dunlop, M. R. Dutta Mazumdar, L. G. Efimov, E. Elhalhuli, M. Elnimr, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, L. Eun, O. Evdokimov, P. Fachini, R. Fatemi, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, M. S. Ganti, E. J. Garcia-Solis, A. Geromitsos, F. Geurts, V. Ghazikhanian, P. Ghosh, Y. N. Gorbunov, A. Gordon, O. Grebenyuk, D. Grosnick, S. M. Guertin, A. Gupta, W. Guryn, B. Haag, A. Hamed, L.-X. Han, J. W. Harris, J. P. Hays-Wehle, M. Heinz, S. Heppelmann, A. Hirsch, E. Hjort, A. M. Hoffman, G. W. Hoffmann, D. J. Hofman, B. Huang, H. Z. Huang, T. J. Humanic, L. Huo, G. Igo, P. Jacobs, W. W. Jacobs, C. Jena, F. Jin, C. L. Jones, P. G. Jones, J. Joseph, E. G. Judd, S. Kabana, K. Kajimoto, K. Kang, J. Kapitan, K. Kauder, D. Keane, A. Kechechyan, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, S. R. Klein, A. G. Knospe, A. Kocoloski, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, V. Kouchpil, P. Kravtsov, K. Krueger, M. Krus, L. Kumar, P. Kurnadi, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, C.-H. Lee, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, N. Li, W. Li, X. Li, Y. Li, Z. M. Li, G. Lin, S. J. Lindenbaum, M. A. Lisa, F. Liu, H. Liu, J. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, W. A. Love, Y. Lu, E. V. Lukashov, X. Luo, G. L. Ma, Y. G. Ma, D. P. Mahapatra, R. Majka, O. I. Mall, L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert, H. Masui, H. S. Matis, Yu. A. Matulenko, D. McDonald, T. S. McShane, A. Meschanin, R. Milner, N. G. Minaev, S. Mioduszewski, A. Mischke, M. K. Mitrovski, B. Mohanty, M. M. Mondal, B. Morozov, D. A. Morozov, M. G. Munhoz, B. K. Nandi, C. Nattrass, T. K. Nayak, J. M. Nelson, P. K. Netrakanti, M. J. Ng, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, E. W. Oldag, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, T. Peitzmann, V. Perevoztchikov, C. Perkins, W. Peryt, S. C. Phatak, P. Pile, M. Planinic, M. A. Ploskon, J. Pluta, D. Plyku, N. Poljak, A. M. Poskanzer, B. V. K. S. Potukuchi, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Rose, C. Roy, L. Ruan, R. Sahoo, S. Sakai, I. Sakrejda, T. Sakuma, S. Salur, J. Sandweiss, E. Sangaline, J. Schambach, R. P. Scharenberg, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, I. Selyuzhenkov, P. Seyboth, E. Shahaliev, M. Shao, M. Sharma, S. S. Shi, E. P. Sichtermann, F. Simon, R. N. Singaraju, M. J. Skoby, N. Smirnov, P. Sorensen, J. Sowinski, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, D. Staszak, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, N. L. Subba, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, S. Timoshenko, D. Tlusty, M. Tokarev, T. A. Trainor, V. N. Tram, S. Trentalange, R. E. Tribble, O. D. Tsai, J. Ulery, T. Ullrich, D. G. Underwood, G. Van Buren, M. van Leeuwen, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, A. N. Vasiliev, F. Videbaek, Y. P. Viyogi, S. Vokal, S. A. Voloshin, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, Y. F. Wu, W. Xie, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, K. Yip, I.-K. Yoo, Q. Yue, M. Zawisza, H. Zbroszczyk, W. Zhan, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, J. Zhao, C. Zhong, J. Zhou, W. Zhou, X. Zhu, Y. H. Zhu, R. Zoulkarneev, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, Meson, 010308 nuclear & particles physics, Hadron, Elliptic flow, Elementary particle, Fermion, 01 natural sciences, Nuclear physics, Particle decay, 0103 physical sciences, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: We report on K*(0) production at midrapidity in Au + Au and Cu + Cu collisions at root s(NN) = 62.4 and 200 GeV collected by the Solenoid Tracker at the Relativistic Heavy Ion Collider detector. The K*(0) is reconstructed via the hadronic decays K*(0) -> K+pi(-) and (K*(0)) over bar -> K+pi(-). Transverse momentum, p(T), spectra are measured over a range of p(T) extending from 0.2 GeV/c up to 5 GeV/c. The center-of-mass energy and system size dependence of the rapidity density, dN/dy, and the average transverse momentum, , are presented. The measured N(K*(0))/N(K) and N(phi)/N(K*(0)) ratios favor the dominance of rescattering of decay daughters of K*(0) over the hadronic regeneration for the K*(0) production. In the intermediate p(T) region (2.0 < p(T) < 4.0 GeV/c), the elliptic flow parameter, v(2), and the nuclear modification factor, R-CP, agree with the expectations from the quark coalescence model of particle production.
Published: 2011

48. Pion femtoscopy inp + pcollisions ats=200GeV

Author: M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, D. Arkhipkin, G. S. Averichev, J. Balewski, L. S. Barnby, S. Baumgart, D. R. Beavis, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, B. Biritz, L. C. Bland, B. E. Bonner, J. Bouchet, E. Braidot, A. V. Brandin, A. Bridgeman, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, O. Catu, D. Cebra, R. Cendejas, M. C. Cervantes, Z. Chajecki, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, J. Cheng, M. Cherney, A. Chikanian, K. E. Choi, W. Christie, P. Chung, R. F. Clarke, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, D. Das, S. Dash, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, A. A. Derevschikov, R. Derradi de Souza, L. Didenko, P. Djawotho, S. M. Dogra, X. Dong, J. L. Drachenberg, J. E. Draper, J. C. Dunlop, M. R. Dutta Mazumdar, L. G. Efimov, E. Elhalhuli, M. Elnimr, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, L. Eun, O. Evdokimov, P. Fachini, R. Fatemi, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, M. S. Ganti, E. J. Garcia-Solis, A. Geromitsos, F. Geurts, V. Ghazikhanian, P. Ghosh, Y. N. Gorbunov, A. Gordon, O. Grebenyuk, D. Grosnick, S. M. Guertin, A. Gupta, N. Gupta, W. Guryn, B. Haag, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, M. Heinz, S. Heppelmann, A. Hirsch, E. Hjort, A. M. Hoffman, G. W. Hoffmann, D. J. Hofman, B. Huang, H. Z. Huang, T. J. Humanic, L. Huo, G. Igo, P. Jacobs, W. W. Jacobs, C. Jena, F. Jin, C. L. Jones, P. G. Jones, J. Joseph, E. G. Judd, S. Kabana, K. Kajimoto, K. Kang, J. Kapitan, K. Kauder, D. Keane, A. Kechechyan, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, S. R. Klein, A. G. Knospe, A. Kocoloski, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, V. Kouchpil, P. Kravtsov, K. Krueger, M. Krus, L. Kumar, P. Kurnadi, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, C-H. Lee, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, N. Li, W. Li, X. Li, Y. Li, Z. M. Li, G. Lin, S. J. Lindenbaum, M. A. Lisa, F. Liu, H. Liu, J. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, W. A. Love, Y. Lu, E. V. Lukashov, X. Luo, G. L. Ma, Y. G. Ma, D. P. Mahapatra, R. Majka, O. I. Mall, L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert, H. Masui, H. S. Matis, Yu. A. Matulenko, D. McDonald, T. S. McShane, A. Meschanin, R. Milner, N. G. Minaev, S. Mioduszewski, A. Mischke, M. K. Mitrovski, B. Mohanty, M. M. Mondal, B. Morozov, D. A. Morozov, M. G. Munhoz, B. K. Nandi, C. Nattrass, T. K. Nayak, J. M. Nelson, P. K. Netrakanti, M. J. Ng, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, E. W. Oldag, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, T. Peitzmann, V. Perevoztchikov, C. Perkins, W. Peryt, S. C. Phatak, P. Pile, M. Planinic, M. A. Ploskon, J. Pluta, D. Plyku, N. Poljak, A. M. Poskanzer, B. V. K. S. Potukuchi, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Rose, C. Roy, L. Ruan, R. Sahoo, S. Sakai, I. Sakrejda, T. Sakuma, S. Salur, J. Sandweiss, E. Sangaline, J. Schambach, R. P. Scharenberg, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, I. Selyuzhenkov, P. Seyboth, E. Shahaliev, M. Shao, M. Sharma, S. S. Shi, E. P. Sichtermann, F. Simon, R. N. Singaraju, M. J. Skoby, N. Smirnov, P. Sorensen, J. Sowinski, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, D. Staszak, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, N. L. Subba, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, S. Timoshenko, D. Tlusty, M. Tokarev, T. A. Trainor, V. N. Tram, S. Trentalange, R. E. Tribble, O. D. Tsai, J. Ulery, T. Ullrich, D. G. Underwood, G. Van Buren, M. van Leeuwen, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, A. N. Vasiliev, F. Videbaek, Y. P. Viyogi, S. Vokal, S. A. Voloshin, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, Y. F. Wu, W. Xie, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, K. Yip, I-K. Yoo, Q. Yue, M. Zawisza, H. Zbroszczyk, W. Zhan, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, J. Zhao, C. Zhong, J. Zhou, W. Zhou, X. Zhu, Y. H. Zhu, R. Zoulkarneev, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, 010308 nuclear & particles physics, Nuclear Theory, Hadron, Elementary particle, Context (language use), Bose–Einstein correlations, 01 natural sciences, Nuclear physics, Pion, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: The STAR Collaboration at the BNL Relativistic Heavy Ion Collider has measured two-pion correlation functions from p + p collisions at root s = 200 GeV. Spatial scales are extracted via a femtoscopic analysis of the correlations, though this analysis is complicated by the presence of strong nonfemtoscopic effects. Our results are put into the context of the world data set of femtoscopy in hadron-hadron collisions. We present the first direct comparison of femtoscopy in p + p and heavy ion collisions, under identical analysis and detector conditions.
Published: 2011

49. Experimental studies of di-jet survival and surface emission bias inAu+Aucollisions via angular correlations with respect to back-to-back leading hadrons

Author: H. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, G. S. Averichev, J. Balewski, D. R. Beavis, N. K. Behera, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. Bielcik, J. Bielcikova, B. Biritz, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, E. Braidot, A. V. Brandin, A. Bridgeman, S. G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, Z. Chajecki, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, K. E. Choi, W. Christie, P. Chung, M. J. M. Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, S. Dash, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, A. A. Derevschikov, R. Derradi de Souza, L. Didenko, P. Djawotho, S. M. Dogra, X. Dong, J. L. Drachenberg, J. E. Draper, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, M. Estienne, L. Eun, O. Evdokimov, R. Fatemi, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, A. Geromitsos, F. Geurts, P. Ghosh, Y. N. Gorbunov, A. Gordon, O. G. Grebenyuk, D. Grosnick, S. M. Guertin, A. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L-X. Han, J. W. Harris, J. P. Hays-Wehle, M. Heinz, S. Heppelmann, A. Hirsch, E. Hjort, G. W. Hoffmann, D. J. Hofman, B. Huang, H. Z. Huang, T. J. Humanic, L. Huo, G. Igo, P. Jacobs, W. W. Jacobs, C. Jena, F. Jin, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, S. R. Klein, A. G. Knospe, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, V. Kouchpil, P. Kravtsov, K. Krueger, M. Krus, L. Kumar, P. Kurnadi, M. A. C. Lamont, J. M. Landgraf, S. LaPointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. LeVine, C. Li, L. Li, N. Li, W. Li, X. Li, Y. Li, Z. M. Li, M. A. Lisa, F. Liu, H. Liu, J. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, W. A. Love, Y. Lu, E. V. Lukashov, X. Luo, G. L. Ma, Y. G. Ma, D. P. Mahapatra, R. Majka, O. I. Mall, L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert, H. Masui, H. S. Matis, Yu. A. Matulenko, D. McDonald, T. S. McShane, A. Meschanin, R. Milner, N. G. Minaev, S. Mioduszewski, A. Mischke, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, D. A. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, T. K. Nayak, P. K. Netrakanti, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, H. Pei, T. Peitzmann, C. Perkins, W. Peryt, S. C. Phatak, P. Pile, M. Planinic, M. A. Ploskon, J. Pluta, D. Plyku, N. Poljak, A. M. Poskanzer, B. V. K. S. Potukuchi, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. L. Ray, R. Redwine, R. Reed, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Rose, L. Ruan, J. Rusnak, N. R. Sahoo, S. Sakai, I. Sakrejda, S. Salur, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, N. Schmitz, T. R. Schuster, J. Seele, J. Seger, I. Selyuzhenkov, P. Seyboth, E. Shahaliev, M. Shao, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, F. Simon, R. N. Singaraju, M. J. Skoby, N. Smirnov, P. Sorensen, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, D. Staszak, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, M. C. Suarez, N. L. Subba, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J. M. Symons, A. Szanto de Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, T. A. Trainor, V. N. Tram, S. Trentalange, R. E. Tribble, P. Tribedy, O. D. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M. S. Vasconcelos, A. N. Vasiliev, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, P. Yepes, K. Yip, I-K. Yoo, M. Zawisza, H. Zbroszczyk, W. Zhan, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, J. Zhao, C. Zhong, W. Zhou, X. Zhu, Y. H. Zhu, R. Zoulkarneev, and Y. Zoulkarneeva
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Hadron, Particle accelerator, Elementary particle, Jet (particle physics), 01 natural sciences, Spectral line, law.invention, Nuclear physics, Deuterium, law, Pseudorapidity, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: We report first results from an analysis based on a new multi-hadron correlation technique, exploring jet-medium interactions and di-jet surface emission bias at the BNL Relativistic Heavy Ion Collider (RHIC). Pairs of back-to-back high-transverse-momentum hadrons are used for triggers to study associated hadron distributions. In contrast with two-and three-particle correlations with a single trigger with similar kinematic selections, the associated hadron distribution of both trigger sides reveals no modification in either relative pseudorapidity Delta eta or relative azimuthal angle Delta phi from d + Au to central Au + Au collisions. We determine associated hadron yields and spectra as well as production rates for such correlated back-to-back triggers to gain additional insights on medium properties.
Published: 2011

50. HighpTnonphotonic electron production inp+pcollisions ats=200 GeV

Author: E. Hjort, Y. F. Wu, P. Chung, Wei Xie, G. M.S. Vasconcelos, Y. Pandit, N. Schmitz, E. Shahaliev, H. Liu, A. Chikanian, W. J. Llope, P. Sorensen, C-Q. Li, Jana Bielcikova, Prabhat Ranjan Pujahari, J. L. Romero, Q. H. Xu, B. Huang, Amal Sarkar, V. Fine, V. N. Tram, E. Finch, R. P. Scharenberg, Christina Markert, M. K. Mitrovski, Shoko Sakai, H. S. Matis, H. Agakishiev, L. Kotchenda, Olga Evdokimov, Russell Richard Betts, M. Shao, G. Van Buren, S. S. Shi, R. N. Singaraju, L. Huo, B. D. Anderson, Sergey Voloshin, N. K. Pruthi, M. Calderon De La Barca Sanchez, Xuan Zhang, Jie Liu, T. Kollegger, A. P. Meschanin, W. W. Jacobs, J. Lauret, E. V. Lukashov, D. G. Underwood, D. Thein, F. Liu, Jake Y. Chen, P. Seyboth, D. Tlusty, H. W. Ke, Jay Roberts, Hanna Paulina Zbroszczyk, M. J. Skoby, Frank Jm Geurts, Jifa Tian, J. G. Cramer, Y. G. Ma, W. Peryt, T. J. Humanic, E. Sangaline, D. Arkhipkin, R. Lednicky, A. Hamed, H. Z. Huang, S. Vokal, Y. Wang, Zhigang Xiao, R. Derradi de Souza, D. R. Beavis, A. G. Knospe, O. D. Tsai, M. Elnimr, M. C. Cervantes, K. Krueger, R. D. Majka, J. M. Joseph, Manish Sharma, J. L. Drachenberg, M. Heinz, M. Tokarev, J. Cheng, T. J. M. Symons, W. Borowski, J. Schambach, L. C. De Silva, N. G. Minaev, D. R. Gangadharan, Niladribihari Sahoo, T. P. Burton, Anju Bhasin, M. J. M. Codrington, Sevil Salur, I. G. Bordyuzhin, R. P. Redwine, Mirko Planinic, B. Haag, R. S. Longacre, M. K. Mustafa, K. Kang, E. Braidot, R. Reed, A. Lebedev, D. J. Hofman, M. M. Mondal, J. Alford, E. G. Judd, L. Li, T. D. S. Stanislaus, Guo-Liang Ma, W. Guryn, J. Seele, Nirbhay Kumar Behera, H. G. Ritter, P. Kurnadi, J. Takahashi, J. Kiryluk, J. H. Chen, N. Xu, E. W. Oldag, P. Filip, T. S. McShane, H. H. Wieman, A. K. Bhati, M. A. C. Lamont, S. B. Nurushev, O. I. Mall, Zebo Tang, C. B. Powell, G. J. van Nieuwenhuizen, Rajarshi Ray, D. Keane, Ross Milner, Michal Sumbera, A. A. P. Suaide, Y. N. Gorbunov, R. Stock, Y. Fisyak, L-X. Han, L. K. Mangotra, Mateusz Andrzej Ploskon, R. Witt, J. Fedorisin, Y. Li, Z. P. Zhang, L. C. Bland, G. Igo, S. M. Guertin, K. Oh, O. Hajkova, Z. Chajecki, P. Djawotho, L. G. Efimov, A. S. Hirsch, P. Pile, G. D. Westfall, Ascelin Gordon, R. Manweiler, W. Christie, P. M. Jacobs, P. Kravtsov, A. M. Schmah, J. Bouchet, S. W. Wissink, S. Mioduszewski, Matthew Walker, T. K. Nayak, X. L. Wang, D. A. Morozov, Y. Zhang, K. Kauder, W. Zhou, W. M. Zhang, Andrey Vasiliev, C. Perkins, P. Chaloupka, J. W. Harris, A. Gupta, Nikola Poljak, G. Wang, Y. Panebratsev, O. G. Grebenyuk, A. Szanto de Toledo, J. E. Draper, Donald M. McDonald, Y. F. Xu, B. V. K. S. Potukuchi, J. Kapitan, T. Peitzmann, S. Margetis, D. P. Mahapatra, D. Grosnick, V. Kouchpil, Haiyan Wang, C. D. Anson, X.G. Li, J. Engelage, Y. J. Sun, B. Morozov, A. Kechechyan, Andre Mischke, S. Trentalange, P. Yepes, Z. J. Sun, Prithwish Tribedy, Janet Elizabeth Seger, B. K. Srivastava, T. Pawlak, M. Krus, R. Cendejas, A. Davila Leyva, X. G. Luo, Bedangadas Mohanty, A. H. Tang, W. Witzke, Y. Mohammed, W. Xu, X. Z. Cai, X. M. Sun, Wolfgang Korsch, Z. Z. Xu, A. V. Alakhverdyants, F. Videbæk, S. G. Brovko, S. Heppelmann, S. Kabana, X. Dong, R. G. Fersch, G. Webb, A. Bridgeman, I. Bunzarov, T. G. Dedovich, Nikita Smirnov, A. Geromitsos, M. Wada, Sukalyan Chattopadhyay, J. Rusnak, S. C. Phatak, J. C. Dunlop, Y. P. Viyogi, Premomoy Ghosh, S. K. Pal, Justin Stevens, I-K. Yoo, J. Putschke, Xiaofeng Zhu, Basanta Kumar Nandi, S. Zhang, Zubayer Ahammed, M. J. LeVine, C. A. Whitten, B. Biritz, J. M. Landgraf, Chitrasen Jena, Feng Jin, Y. P. Lu, L. Ruan, M. C. Suarez, D. N. Svirida, Sunil Dogra, A. M. Poskanzer, Q. Y. Shou, I. Koralt, A. Ogawa, L. V. Nogach, M. Strikhanov, S. Bueltmann, R. Corliss, Jongmin Lee, H. F. Chen, Thomas A. Trainor, A. Rose, Elena Bruna, J. Konzer, William Axel Leight, D. Staszak, Ilya Selyuzhenkov, R. Varma, T. Ljubicic, Ki-Seok Choi, James Prewitt Hays-Wehle, Yu A. Matulenko, B. S. Page, H. Caines, Sudhir Raniwala, D. P. Kikola, G. Odyniec, J. Sandweiss, E. P. Sichtermann, B. Stringfellow, J. Balewski, Rashmi Raniwala, Claude Andre Pruneau, Sadhana Dash, T. Ullrich, R. Zoulkarneev, H. S. Xu, L. Eun, Vitaly Okorokov, Bernd Surrow, Pawan Kumar Netrakanti, C. A. Gagliardi, M. Pachr, Madan M. Aggarwal, Fuqiang Wang, W. L. Zhan, Frank Simon, Jaroslav Bielcik, Jie Zhang, O. V. Rogachevskiy, A. V. Brandin, W. A. Love, D. D. Koetke, L. Xue, Li-Zhu Chen, G. Eppley, J. Pluta, W. Li, Rene Bellwied, Y. H. Zhu, R. E. Tribble, Jize Zhao, Gerald W Hoffmann, I. Sakrejda, Y. Yang, S. LaPointe, N. Li, D. Cebra, K. Yip, J. S. Wang, R. R. Debbe, M. Estienne, S. G. Steadman, H. Bichsel, Y. Zoulkarneeva, C. Zhong, M. Naglis, Q. Wang, T. R. Schuster, J. C. Webb, Hao Qiu, Marcelo Gameiro Munhoz, D. J. Prindle, I. G. Alekseev, Donika Plyku, M. A. Lisa, R. Fatemi, Michael Joseph Betancourt, J. A. Vanfossen, L. H. Tarini, Zhiming Li, L. Koroleva, M. Cherney, Lokesh Kumar, Hua Pei, Alice Elisabeth Ohlson, V. A. Kizka, J. H. Thomas, D. Kettler, Anthony Robert Timmins, Adam Ryszard Kisiel, G. S. Averichev, H. J. Crawford, M. Zawisza, H. M. Spinka, H. Masui, L. Didenko, S. R. Klein, T. Tarnowsky, N. L. Subba, D. L. Olson, and A. A. Derevschikov
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Meson, 010308 nuclear & particles physics, Star (game theory), Electron, 01 natural sciences, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, Production (computer science), Nuclear Experiment, 010306 general physics
Abstract: We present the measurement of nonphotonic electron production at high transverse momentum (${p}_{T}g2.5\text{ }\text{ }\mathrm{GeV}/c$) in $p+p$ collisions at $\sqrt{s}=200\text{ }\text{ }\mathrm{GeV}$ using data recorded during 2005 and 2008 by the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The measured cross sections from the two runs are consistent with each other despite a large difference in photonic background levels due to different detector configurations. We compare the measured nonphotonic electron cross sections with previously published RHIC data and perturbative quantum chromodynamics calculations. Using the relative contributions of B and D mesons to nonphotonic electrons, we determine the integrated cross sections of electrons ($\frac{{e}^{+}+{e}^{\ensuremath{-}}}{2}$) at $3\text{ }\text{ }\mathrm{GeV}/cl{p}_{T}l10\text{ }\text{ }\mathrm{GeV}/c$ from bottom and charm meson decays to be $[(d{\ensuremath{\sigma}}_{(B\ensuremath{\rightarrow}e)+(B\ensuremath{\rightarrow}D\ensuremath{\rightarrow}e)})/(d{y}_{e}){]}_{{y}_{e}=0}=4.0\ifmmode\pm\else\textpm\fi{}0.5(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}1.1(\mathrm{syst})\text{ }\text{ }\mathrm{nb}$ and $[(d{\ensuremath{\sigma}}_{D\ensuremath{\rightarrow}e})/(d{y}_{e}){]}_{{y}_{e}=0}=6.2\ifmmode\pm\else\textpm\fi{}0.7(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}1.5(\mathrm{syst})\text{ }\text{ }\mathrm{nb}$, respectively.
Published: 2011

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