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51. Measurement of the HΛ3 lifetime in Au+Au collisions at the BNL Relativistic Heavy Ion Collider

Author: Q. H. Xu, J. W. Harris, F. Videbæk, G. Webb, Sukalyan Chattopadhyay, T. Kollegger, S. Mizuno, Z. Feng, J. Xu, M. Lomnitz, D. Kalinkin, W. J. Llope, C. Zhou, D. L. Olvitt, E. P. Sichtermann, S. Heppelmann, B. J. Summa, P. Bhattarai, F. Liu, Miroslav Simko, N. Kulathunga, N. Xu, Guo-Liang Ma, P. Filip, Li Yi, P. Sorensen, Y. F. Wu, Mariusz Przybycien, X. G. Luo, Alexander Jentsch, K. Poniatowska, A. S. Hirsch, Siwei Luo, P. Kravtsov, A. M. Schmah, G. D. Westfall, Dmitry Smirnov, G. Eppley, S. Das, A. H. Tang, N. Magdy, Peng Huo, C-Q. Li, A. Attri, Giacomo Contin, A. Gupta, Bedangadas Mohanty, S. Ramachandran, O. Eyser, Joseph Kwasizur, A. Harlenderova, Md. Nasim, R. D. Majka, R. Witt, J. Alford, I. Bunzarov, D. Kapukchyan, J. Pluta, J. M. Campbell, M. Zyzak, J. D. Brandenburg, Guannan Xie, Xuan Zhang, J. L. Drachenberg, Tetsuro Sugiura, Zebo Tang, W. Guryn, N. Chankova-Bunzarova, Y. J. Sun, Jiangyong Jia, R. Lacey, S. Mioduszewski, M. J. Rehbein, Christina Markert, P. Federicova, W. Li, X. C. Chen, T. Ullrich, M. Shao, G. Van Buren, P. Chaloupka, Ting Lin, J. Schambach, C. Dilks, Anju Bhasin, J. D. Roth, D. N. Brown, G. J. van Nieuwenhuizen, Hanna Paulina Zbroszczyk, J. Bryslawskyj, A. K. Bhati, Rene Bellwied, L. Didenko, T. G. Dedovich, D. Keane, Prithwish Tribedy, B. K. Srivastava, O. Rusnakova, S. Kabana, K. Kang, T. Niida, M. Sergeeva, S. S. Shi, R. E. Tribble, H. Z. Huang, Wei Xie, M. K. Mustafa, S. Vokal, J. Rusnak, A. F. Kraishan, L. Ruan, S. Trentalange, A. Lebedev, I. K. Yoo, Z. Shi, Y. Fisyak, Lin Ma, K. Oh, A. Aparin, Olga Evdokimov, Barbara Antonina Trzeciak, Anthony Robert Timmins, J. Fujita, Jize Zhao, H. S. Matis, L. K. Kosarzewski, W. W. Jacobs, H. Liu, L. G. Efimov, T. K. Nayak, J. Lauret, Abdel Nasser Tawfik, R. Reed, J. Fedorisin, K. N. Barish, M. Saur, P. V. Shanmuganathan, Jay Roberts, C. Perkins, T. Todoroki, Y. Li, O. D. Tsai, Chong Kim, J. M. Nelson, Roli Esha, M. M. Mondal, C. E. Flores, E. G. Judd, Y. Pandit, A. V. Brandin, Muhammad Usman Ashraf, R. S. Longacre, Daniel Nemes, Adam Ryszard Kisiel, H. J. Crawford, J. K. Adkins, S. Horvat, T. Tarnowsky, Benjamin Schweid, T. J. Humanic, H. G. Ritter, W. Q. Shen, N. Schmitz, D. Arkhipkin, B. S. Page, K. Krueger, Avishek Chatterjee, A. Hamed, Sergey Voloshin, Michal Sumbera, L. C. Bland, P. Seyboth, D. P. Kikola, E. Shahaliev, Z. Chang, R. Fatemi, L. He, R. Lednicky, L. Kochenda, P. Federic, Y. G. Ma, B. Stringfellow, A. A. P. Suaide, K. Jiang, M. Calderon De La Barca Sanchez, A. I. Hamad, Y. Wang, Sedigheh Jowzaee, Rafal Sikora, Shangfeng Yang, J. H. Chen, Zhigang Xiao, David Stewart, T. Huang, Sevil Salur, G. Igo, S. Fazio, Zongye Zhang, Yunpeng Liu, Derek Anderson, M. Kocmanek, Peng Liu, N. G. Minaev, I. G. Bordyuzhin, Leszek Adamczyk, B. Pawlik, Y. Panebratsev, D. Grosnick, M. J. Skoby, Frank Jm Geurts, S. W. Wissink, Y. Zhang, M. R. Girard, J. C. Dunlop, L. Wen, Zubayer Ahammed, J. Bouchet, L. Krauth, Vipul Bairathi, W. Zha, B. Huang, I. Upsal, Jana Bielcikova, J. Thäder, J. R. Adams, A. A. Derevschikov, Y. F. Xu, M. Posik, D. A. Morozov, Z. W. Miller, R. Aoyama, K. D. Landry, K. Kauder, A. Taranenko, J. E. Draper, J. L. Romero, W. Christie, E. C. Aschenauer, S. Margetis, Subhash Singha, Andrey Vasiliev, Irakli Chakaberia, Z. Z. Xu, Arabinda Behera, S. Zhang, Dukhishyam Mallick, H. M. Spinka, Nikita Smirnov, J. Y. Zhang, E. Finch, D. G. Underwood, X. Dong, K. Meehan, N. Yu, Xuedong Bai, M. Cherney, Xiangming Sun, D. N. Svirida, Q. Y. Shou, L. V. Nogach, J. Porter, Lokesh Kumar, Jian Deng, Jindrich Lidrych, J. Putschke, Xiaofeng Zhu, Hua Pei, S. K. Tripathy, N. K. Pruthi, X. M. Sun, Ivan Kisel, R. Pak, G. Wang, J. Cheng, A. Ogawa, X.G. Li, Y. Guo, Jongmin Lee, C. Yang, R. Seto, R. L. Ray, R. Ma, G. Agakishiev, D. S. Gunarathne, N. Herrmann, T. Ljubicic, Janet Elizabeth Seger, J. H. Thomas, H. Caines, L. P. Zhou, S. B. Nurushev, A. Quintero, H. W. Ke, L. Fulek, I. M. Deppner, G. S. Averichev, D. Cebra, Zhanwen Zhu, Y. Yang, J. Kvapil, Justin Ewigleben, Nilay Shah, A. Gibson, C. Zhong, K. Yip, Vitaly Okorokov, Z. Ye, D. Tlusty, Bernd Surrow, Maowu Nie, X. Huang, A. Kechechyan, Niladribihari Sahoo, Pradip Kumar Sahu, T. Nonaka, Z. H. Khan, J. M. Butterworth, N. Elsey, J. Engelage, N. N. Ajitanand, G. Nigmatkulov, J. C. Webb, D. Mayes, J. M. Landgraf, M. Tokarev, M. Strikhanov, W. Solyst, T. D. S. Stanislaus, H. H. Wieman, W. B. Schmidke, G. Odyniec, J. Sandweiss, I. G. Alekseev, M. A. Lisa, J. C. Mei, C. A. Gagliardi, Jaroslav Bielcik, Jie Zhang, O. V. Rogachevskiy, Madan M. Aggarwal, Fuqiang Wang, D. K. Mishra, A. Vossen, S. Esumi, and Qi Yang
Subjects: Nuclear physics, Physics, 010308 nuclear & particles physics, 0103 physical sciences, Chatterjee, 010306 general physics, Hypernucleus, Relativistic Heavy Ion Collider, 01 natural sciences, Hypertriton
Abstract: Author(s): Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Ajitanand, NN; Alekseev, I; Alford, J; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D; Aschenauer, EC; Ashraf, MU; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Barish, K; Behera, A; Bellwied, R; Bhasin, A; Bhati, AK; Bhattarai, P; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Bouchet, J; Brandenburg, JD; Brandin, AV; Brown, D; Bryslawskyj, J; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chattopadhyay, S; Chen, X; Chen, X; Chen, JH; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; Dedovich, TG; Deng, J; Deppner, IM; Derevschikov, AA; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Draper, JE; Dunlop, JC; Efimov, LG; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, J; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Federicova, P; Fedorisin, J; Feng, Z; Filip, P; Finch, E; Fisyak, Y; Flores, CE; Fujita, J | Abstract: An improved measurement of the HΛ3 lifetime is presented. In this paper, the mesonic decay modes HΛ3→He3 + π- and HΛ3→d+p+π- are used to reconstruct the HΛ3 from Au+Au collision data collected by the STAR collaboration at Relativistic Heavy Ion Collider (RHIC). A minimum χ2 estimation is used to determine the lifetime of τ=142-21+24(stat.)±29(syst.) ps. This lifetime is about 50% shorter than the lifetime τ=263±2 ps of a free Λ, indicating strong hyperon-nucleon interaction in the hypernucleus system. The branching ratios of the mesonic decay channels are also determined to satisfy B.R.(He3+π-)/(B.R.(He3+π-)+B.R.(d+p+π-))=0.32±0.05(stat.)±0.08(syst.). Our ratio result favors the assignment J(HΛ3)=12 over J(HΛ3)=32. These measurements will help to constrain models of hyperon-baryon interactions.
Published: 2018

52. Beam-Energy Dependence of Directed Flow ofΛ,Λ¯,K±,Ks0, andϕinAu+AuCollisions

Author: J. M. Nelson, Arka Chatterjee, W. J. Llope, Muhammad Usman Ashraf, T. J. Humanic, N. Kulathunga, N. Xu, P. Filip, M. K. Mustafa, Sergey Voloshin, Y. Li, S. Singha, Xiangming Sun, Abdel Nasser Tawfik, Alexander Jentsch, C-Q. Li, P. Pile, G. D. Westfall, D. L. Olvitt, K. Jiang, M. J. Rehbein, Christina Markert, D. Smirnov, O. Rusnakova, A. Attri, P. Federic, H. S. Matis, Hao Qiu, Yanjun Wu, Jun Deng, P. Huo, B. S. Page, J. Y. Zhang, N. Yu, D. P. Kikola, L. K. Kosarzewski, Kejun Kang, L. V. Nogach, B. Stringfellow, Sumit R. Das, G. Van Nieuwenhuizen, W. W. Jacobs, Joseph Kwasizur, N. K. Pruthi, David Brown, T. Kollegger, J. Lauret, R. Lednicky, L. Kochenda, M. Sergeeva, F. Liu, Miroslav Simko, Mariusz Przybycien, Nasim, M. Shao, G. Van Buren, P. Seyboth, G. Eppley, T. Tarnowsky, S. Mizuno, S. S. Shi, J. M. Campbell, K. Kauder, T. G. Dedovich, F. Videbæk, G. Webb, Siwei Luo, J. Pluta, Leszek Adamczyk, Sukalyan Chattopadhyay, Jorn Henning Putschke, A. V. Brandin, J. Rusnak, D. Kapukchyan, N. Chankova-Bunzarova, W. Li, A. F. Kraishan, L. Ruan, J. D. Roth, R. D. Majka, Z. W. Miller, N.N. Ajitanand, S. Heppelmann, T. Todoroki, B. J. Summa, M. R. Girard, Guannan Xie, J. C. Webb, Xuan Zhang, Arabinda Behera, Rene Bellwied, R. Aoyama, R. Witt, R. E. Tribble, J. Schambach, R. Seto, Hanna Paulina Zbroszczyk, Madan M. Aggarwal, J. W. Harris, J. Jia, D. Tlusty, S. Mioduszewski, W. Christie, Z. Feng, Xiaofeng Zhu, T. Nonaka, Wei Xie, A. Aparin, Xiaofeng Luo, Yinina Ma, Zhigang Xiao, T. Huang, Yunpeng Liu, Derek Anderson, Roli Esha, P. Bhattarai, Isaac Upsal, Vipul Bairathi, James Brandenburg, J. Fujita, Guo-Liang Ma, R. Reed, Jie Zhao, T. Lin, S. Horvat, K. N. Barish, N. G. Minaev, Andrey Vasiliev, A. Ogawa, S. B. Nurushev, Mukesh Sharma, G. Wang, J. B. Zhang, Y. Pandit, Fuqiang Wang, S. Fazio, Xuliang Chen, Michal Sumbera, A. A. P. Suaide, J. E. Draper, X.G. Li, Prithwish Tribedy, B. K. Srivastava, Zongye Zhang, Y. Guo, I. G. Bordyuzhin, M. J. Skoby, N. Schmitz, D. K. Mishra, E. Shahaliev, A. H. Tang, L. E. Dunkelberger, A. S. Hirsch, I. Bunzarov, Z. H. Khan, W. Zha, Janet Elizabeth Seger, P. Kravtsov, A. K. Bhati, A. M. Schmah, L. Fulek, R. Lacey, S. Ramachandran, B.R. Schweid, Tetsuro Sugiura, Y. J. Sun, M. Calderon De La Barca Sanchez, A. I. Hamad, Anju Bhasin, A. A. Derevschikov, Jana Bielcikova, O. Eyser, Sedigheh Jowzaee, D. Keane, J. L. Romero, C. Dilks, S. W. Wissink, J. Thäder, D. Kalinkin, J. Engelage, Y. Zhang, T. Niida, A. Lebedev, Nikolai Smirnov, G. Nigmatkulov, J. C. Dunlop, L. Wen, L. Yi, Y. Wang, Y. Fisyak, P. Sorensen, Lin Ma, D. G. Underwood, E. Finch, Z. Shi, K. Oh, M. Saur, Peter Q. Liu, J. Kvapil, Xuedong Bai, Q. Yang, L. G. Efimov, J. M. Landgraf, Zubayer Ahammed, Nilay Shah, L. Didenko, I. Chakaberia, Chong Kim, Z. Ye, A. Vossen, M. Strikhanov, J. Cheng, T. K. Nayak, K. Yip, H. G. Ritter, Bedangadas Mohanty, J. Sandweiss, H. Z. Huang, S. Vokal, L. C. De Silva, Maowu Nie, Q. Y. Shou, X. Huang, M. Kocmanek, A. Harlenderova, Rafal Sikora, A. Kechechyan, R. Pak, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, W. Guryn, L. C. Bland, Pradip Kumar Sahu, Y. Panebratsev, D. Grosnick, J. Fedorisin, M. M. Mondal, S. Esumi, Jay Roberts, Anik Gupta, J. H. Chen, Chi Yang, D. N. Svirida, Jaroslav Bielcik, I. K. Yoo, M. Tokarev, Yang Yang, H. W. Ke, Frank Jm Geurts, D. A. Morozov, O. V. Rogachevskiy, A. Quintero, C. E. Flores, E. G. Judd, M. Zyzak, T. D. S. Stanislaus, H. H. Wieman, Vitaly Okorokov, Bernd Surrow, N. Elsey, C. Zhou, W. B. Schmidke, C. A. Gagliardi, K. Meehan, O. D. Tsai, A. Sharma, L. Song, W. Q. Shen, Xiang Sun, Zebo Tang, H. Liu, D. Garand, Sevil Salur, C. Perkins, R. S. Longacre, P. V. Shanmuganathan, D. Mallick, G. Igo, J. Bouchet, L. Krauth, Jongmin Lee, R. L. Ray, K. D. Landry, R. Ma, J. Butterworth, Y. F. Xu, Q. H. Xu, T. Ljubicic, J. Xu, Niseem Magdy, H. Caines, M. Lomnitz, P. Federicova, B. Huang, Justin Ewigleben, G. Odyniec, C. Zhong, E. C. Aschenauer, S. Margetis, X. Dong, E. P. Sichtermann, T. Ullrich, J. R. Adams, W. Solyst, J. Lidrych, G. Agakishiev, D. S. Gunarathne, D. Cebra, A. Taranenko, Zhanwen Zhu, S. Kabana, I. G. Alekseev, M. A. Lisa, J. C. Mei, Z. Chang, Shize Yang, M. Posik, H. M. Spinka, J. K. Adkins, R. Fatemi, L. He, J. H. Thomas, K. Krueger, L. P. Zhou, I. Kisel, M. Cherney, Lokesh Kumar, Hua Pei, S. K. Tripathy, K. Poniatowska, S. K. Gupta, Giacomo Contin, G. S. Averichev, Nihar Sahoo, J. Porter, Anthony Robert Timmins, Adam Ryszard Kisiel, H. J. Crawford, B. Pawlik, A. Gibson, S. Zhang, P. Chaloupka, Z. J. Xu, S. Trentalange, D. Arkhipkin, and A. Hamed
Subjects: Quantum chromodynamics, Quark, Physics, 010308 nuclear & particles physics, Elliptic flow, Hadron, General Physics and Astronomy, Lambda, 01 natural sciences, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Sum rule in quantum mechanics, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: Rapidity-odd directed-flow measurements at midrapidity are presented for Λ, Λ[over ¯], K^{±}, K_{s}^{0}, and ϕ at sqrt[s_{NN}]=7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV in Au+Au collisions recorded by the Solenoidal Tracker detector at the Relativistic Heavy Ion Collider. These measurements greatly expand the scope of data available to constrain models with differing prescriptions for the equation of state of quantum chromodynamics. Results show good sensitivity for testing a picture where flow is assumed to be imposed before hadron formation and the observed particles are assumed to form via coalescence of constituent quarks. The pattern of departure from a coalescence-inspired sum rule can be a valuable new tool for probing the collision dynamics.
Published: 2018

53. Azimuthal transverse single-spin asymmetries of inclusive jets and charged pions within jets from polarized-proton collisions at s=500 GeV

Author: J. M. Campbell, Jaroslav Bielcik, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, G. Eppley, W. Christie, I. G. Alekseev, Maksym Zyzak, O. V. Rogachevskiy, M. A. Lisa, A. Quintero, J. C. Mei, T. G. Dedovich, J. Porter, J. C. Webb, J. Pluta, N. Chankova-Bunzarova, W. Li, Ivan Kisel, Andrey Vasiliev, I. K. Yoo, C. E. Flores, E. G. Judd, Anik Gupta, J. Lidrych, R. Seto, Nasim, R. Witt, Vitaly Okorokov, Jian Deng, S. Mioduszewski, D. G. Underwood, J. D. Roth, Rene Bellwied, Janet Elizabeth Seger, G. Agakishiev, D. S. Gunarathne, O. D. Tsai, J. Y. Zhang, Bernd Surrow, Frank Jm Geurts, Prithwish Tribedy, Q. H. Xu, B. K. Srivastava, Z. Ye, D. Cebra, N. Elsey, Jana Bielcikova, A. Taranenko, N. Yu, D. Mayes, J. K. Adkins, K. Kauder, Maowu Nie, W. Q. Shen, Xiang Sun, J. H. Thomas, X. Huang, A. Kechechyan, Kejun Kang, L. V. Nogach, Zhanwen Zhu, S. Kabana, W. B. Schmidke, J. C. Dunlop, L. Wen, C. Zhou, P. Sorensen, J. Xu, C. A. Gagliardi, M. R. Girard, L. P. Zhou, Sumit R. Das, G. Van Nieuwenhuizen, H. Liu, David Stewart, Justin Ewigleben, G. Odyniec, J. Cheng, Pradip Kumar Sahu, R. Fatemi, L. He, K. Krueger, Benjamin Schweid, S. B. Nurushev, D. Arkhipkin, Zubayer Ahammed, A. Hamed, K. Meehan, Q. Yang, Sevil Salur, R. E. Tribble, J. W. Harris, M. J. Skoby, Joseph Kwasizur, D. Kapukchyan, Z. H. Khan, N. N. Ajitanand, Q. Y. Shou, Jorn Henning Putschke, Xiao-yan Li, A. V. Brandin, L. Fulek, R. Pak, J. L. Drachenberg, L. Didenko, I. Chakaberia, Thorsten Sven Kollegger, M. Cherney, M. Shao, G. Van Buren, Olga Evdokimov, Barbara Antonina Trzeciak, Xiangming Sun, J. Bryslawskyj, Roli Esha, M. Tokarev, James Brandenburg, J. Engelage, J. Fujita, G. S. Averichev, L. C. Bland, G. Nigmatkulov, Daniel Nemes, Jie Zhao, T. Lin, S. Horvat, Lokesh Kumar, J. R. Adams, Hua Pei, S. K. Tripathy, J. L. Romero, Vipul Bairathi, S. Heppelmann, A. K. Bhati, D. Keane, W. Solyst, Jay Roberts, S. S. Shi, K. N. Barish, B. J. Summa, A. H. Tang, E. Finch, Nikolai Smirnov, H. W. Ke, Z. Chang, Xuedong Bai, M. Simko, P. Federicova, J. M. Landgraf, Shize Yang, T. D. S. Stanislaus, K. Poniatowska, I. Bunzarov, J. B. Zhang, L. G. Efimov, Zebo Tang, B. Huang, Chi Yang, Giacomo Contin, M. Strikhanov, H. H. Wieman, P. Chaloupka, W. Zha, J. E. Draper, T. Nonaka, T. K. Nayak, N. K. Pruthi, P. Bhattarai, R. S. Longacre, M. Posik, Isaac Upsal, Arabinda Behera, Z. J. Xu, M. Kocmanek, Wei Xie, S. Trentalange, D. N. Svirida, H. M. Spinka, S. Ramachandran, O. Eyser, Nihar Sahoo, X. C. Chen, A. Aparin, Y. Panebratsev, Y. Pandit, C. Perkins, J. Sandweiss, K. Yip, P. V. Shanmuganathan, D. Grosnick, S. Fazio, D. Mallick, B. Pawlik, N. Schmitz, A. Gibson, E. Shahaliev, H. Z. Huang, S. Vokal, Peng Huo, A. Harlenderova, Anthony Robert Timmins, Adam Ryszard Kisiel, G. Igo, S. Zhang, A. A. Derevschikov, L. Yi, S. Esumi, M. Saur, J. Bouchet, L. Krauth, H. J. Crawford, Chong Kim, W. Guryn, R. Lacey, J. H. Chen, K. D. Landry, H. G. Ritter, J. Butterworth, D. A. Morozov, Tetsuro Sugiura, J. Thäder, Rafal Sikora, Y. J. Sun, Y. F. Xu, C. Dilks, T. J. Humanic, Zongye Zhang, Abdel Nasser Tawfik, J. Fedorisin, M. M. Mondal, Y. Guo, I. G. Bordyuzhin, B. S. Page, D. P. Kikola, B. Stringfellow, J. Kvapil, Nilay Shah, Xiaofeng Zhu, A. Ogawa, C-Q. Li, M. J. Rehbein, Christina Markert, D. Smirnov, O. Rusnakova, H. S. Matis, L. K. Kosarzewski, W. W. Jacobs, J. Lauret, R. Lednicky, L. Kochenda, T. Tarnowsky, I. M. Deppner, David Brown, F. Liu, Mariusz Przybycien, Y. Yang, R. D. Majka, J. Schambach, Anju Bhasin, T. Niida, A. Lebedev, Z. Shi, N. Kulathunga, N. Xu, P. Filip, Xiaofeng Luo, Guannan Xie, Xuan Zhang, R. Aoyama, Guo-Liang Ma, Hanna Paulina Zbroszczyk, G. D. Westfall, A. S. Hirsch, P. Kravtsov, R. Reed, A. M. Schmah, Bedangadas Mohanty, Michal Sumbera, S. W. Wissink, Y. Zhang, S. Mizuno, D. L. Olvitt, J. Rusnak, A. F. Kraishan, Arka Chatterjee, L. Ruan, Yu-Gang Ma, Muhammad Usman Ashraf, M. K. Mustafa, T. Todoroki, J. M. Nelson, W. J. Llope, Sergey Voloshin, Y. Li, S. Singha, Alexandre Alarcon Do Passo Suaide, Alexander Jentsch, A. Attri, K. Jiang, Y. Wang, Y. Fisyak, Zhigang Xiao, P. Liu, Yanjun Wu, T. Huang, F. Videbæk, Lin Ma, K. Oh, G. Webb, Yunpeng Liu, Sukalyan Chattopadhyay, M. Sergeeva, Derek Anderson, Siwei Luo, N. G. Minaev, P. Seyboth, Z. Feng, Jiangyong Jia, Leszek Adamczyk, P. Federic, Z. W. Miller, D. Tlusty, G. Wang, C. Zhong, E. C. Aschenauer, S. Margetis, X. Dong, E. P. Sichtermann, T. Ullrich, Jongmin Lee, R. L. Ray, R. Ma, Madan M. Aggarwal, T. Ljubicic, Fuqiang Wang, D. K. Mishra, Niseem Magdy, H. Caines, M. Lomnitz, D. Kalinkin, A. Vossen, and N. Herrmann
Subjects: Physics, Nuclear physics, Particle physics, Pion, 010308 nuclear & particles physics, 0103 physical sciences, Chatterjee, Fragmentation function, Beam polarization, 010306 general physics, 01 natural sciences
Abstract: Author(s): AdamczyK, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Ajitanand, NN; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D; Aschenauer, EC; Ashraf, MU; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Barish, K; Behera, A; Bellwied, R; Bhasin, A; Bhati, AK; Bhattarai, P; BielciK, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Bouchet, J; Brandenburg, JD; Brandin, AV; Brown, D; Bryslawskyj, J; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chattopadhyay, S; Chen, X; Chen, X; Chen, JH; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; Dedovich, TG; Deng, J; Deppner, IM; Derevschikov, AA; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Draper, JE; Dunlop, JC; Efimov, LG; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, J; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Federicova, P; Fedorisin, J; Feng, Z; Filip, P; Finch, E; FisyaK, Y; Flores, CE; Fujita, J; FuleK, L | Abstract: We report the first measurements of transverse single-spin asymmetries for inclusive jet and jet+π± production at midrapidity from transversely polarized proton-proton collisions at s=500 GeV. The data were collected in 2011 with the STAR detector sampled from 23 pb-1 integrated luminosity with an average beam polarization of 53%. Asymmetries are reported for jets with transverse momenta 6
Published: 2018

54. Search for sterile neutrinos at the DANSS experiment

Author: V. Belov, Yu. Shitov, I. Zhitnikov, I. G. Alekseev, D. R. Zinatulina, D.V. Filosofov, I. Rozova, I. V. Machikhiliyan, V. M. Nesterov, J. Vlasek, M. Fomina, N. Rumyantseva, V. Rusinov, D. N. Svirida, A. Starostin, N. Skrobova, E. Tarkovsky, A. S. Kobyakin, N. Pogorelov, A.G. Olshevsky, M. Shirchenko, M. Danilov, A. A. Kuznetsov, Ye. Shevchik, D. Medvedev, D. Ponomarev, V. G. Egorov, V. B. Brudanin, Z. Hons, E. Samigullin, and S. Kazartsev
Subjects: Physics, Nuclear and High Energy Physics, Sterile neutrino, Physics - Instrumentation and Detectors, 010308 nuclear & particles physics, Physics::Instrumentation and Detectors, Detector, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), Scintillator, 01 natural sciences, Spectral line, lcsh:QC1-999, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Nuclear reactor core, Inverse beta decay, 0103 physical sciences, Scintillation counter, High Energy Physics::Experiment, 010306 general physics, Neutrino oscillation, lcsh:Physics
Abstract: DANSS is a highly segmented 1~m${}^3$ plastic scintillator detector. Its 2500 one meter long scintillator strips have a Gd-loaded reflective cover. The DANSS detector is placed under an industrial 3.1~$\mathrm{GW_{th}}$ reactor of the Kalinin Nuclear Power Plant 350~km NW from Moscow. The distance to the core is varied on-line from 10.7~m to 12.7~m. The reactor building provides about 50~m water-equivalent shielding against the cosmic background. DANSS detects almost 5000 $\widetilde\nu_e$ per day at the closest position with the cosmic background less than 3$\%$. The inverse beta decay process is used to detect $\widetilde\nu_e$. Sterile neutrinos are searched for assuming the $4\nu$ model (3 active and 1 sterile $\nu$). The exclusion area in the $\Delta m_{14}^2,\sin^22\theta_{14}$ plane is obtained using a ratio of positron energy spectra collected at different distances. Therefore results do not depend on the shape and normalization of the reactor $\widetilde\nu_e$ spectrum, as well as on the detector efficiency. Results are based on 966 thousand antineutrino events collected at 3 distances from the reactor core. The excluded area covers a wide range of the sterile neutrino parameters up to $\sin^22\theta_{14}, Comment: 10 pages, 13 figures, version accepted for publication
Published: 2018
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55. Dijet imbalance measurements in Au+Au and pp collisions at sNN=200 GeV at STAR

Author: Jana Bielcikova, N. Xu, P. Filip, Guannan Xie, J. L. Romero, Xuan Zhang, Anik Gupta, P. Pile, G. D. Westfall, Madan M. Aggarwal, Xiaofeng Luo, E. Finch, L. Yi, Xuedong Bai, Robert Vertesi, Hanna Paulina Zbroszczyk, M. Tokarev, Yang Yang, J. M. Campbell, Jun Deng, T. Nonaka, Frank Jm Geurts, Wei Xie, A. Aparin, Y. Pandit, N. Schmitz, E. Shahaliev, Guo-Liang Ma, Fuqiang Wang, D. K. Mishra, J. W. Harris, Q. H. Xu, P. Sorensen, J. Xu, J. Engelage, H. G. Ritter, A. S. Hirsch, P. Kravtsov, A. M. Schmah, A. Manion, D. Kalinkin, T. G. Dedovich, Xiaofeng Zhu, Xiangming Sun, Mukesh Sharma, G. Wang, S. Heppelmann, J. Porter, Rafal Sikora, K. Meehan, G. Nigmatkulov, R. Reed, P. Bhattarai, L. Didenko, I. Chakaberia, T. D. S. Stanislaus, B. J. Summa, K. Poniatowska, S. K. Gupta, A. Vossen, Muhammad Usman Ashraf, A. Ogawa, Isaac Upsal, Giacomo Contin, Jorn Henning Putschke, J. M. Landgraf, A. H. Tang, H. H. Wieman, Roli Esha, A. V. Brandin, O. D. Tsai, G. Agakishiev, D. S. Gunarathne, Hao Qiu, Jie Zhao, T. Lin, James Brandenburg, A. Sharma, Arka Chatterjee, S. Esumi, J. B. Zhang, D. D. Koetke, M. Strikhanov, D. Cebra, Sergey Voloshin, F. Videbæk, J. E. Draper, I. K. Yoo, S. Ramachandran, S. Horvat, O. Eyser, G. Webb, Nihar Sahoo, K. Xin, Zhigang Xiao, T. Huang, I. Bunzarov, C-Q. Li, M. J. Rehbein, M. Calderon De La Barca Sanchez, A. I. Hamad, R. P. Scharenberg, Christina Markert, L. Song, Vipul Bairathi, D. Smirnov, O. Rusnakova, W. Q. Shen, L. C. Bland, H. S. Matis, B. Huang, X. C. Chen, Z. J. Sun, S. McKinzie, P. Huck, S. Kabana, M. M. Mondal, Jaroslav Bielcik, L. E. Dunkelberger, Sedigheh Jowzaee, N. K. Pruthi, Xiang Li, A. M. Poskanzer, Z. Ye, L. K. Kosarzewski, Yunpeng Liu, Derek Anderson, W. W. Jacobs, J. Lauret, N. G. Minaev, M. A.C. Lamont, K. Jiang, J. Sandweiss, Sukalyan Chattopadhyay, J. Y. Zhang, H. Z. Huang, Yanjun Wu, Anthony Robert Timmins, Adam Ryszard Kisiel, H. J. Crawford, S. Vokal, O. V. Rogachevskiy, Tetsuro Sugiura, Y. J. Sun, C. Dilks, Nasim, A. Quintero, X. Huang, A. Kechechyan, W. Zha, R. Lednicky, L. Kochenda, R. Haque, T. Tarnowsky, I. G. Alekseev, K. Yip, J. S. Wang, G. Eppley, D. N. Svirida, R. S. Longacre, Zebo Tang, Leo Clifford Greiner, M. K. Mustafa, Y. Li, S. Singha, M. A. Lisa, J. C. Mei, N. Yu, Z. Feng, M. Lomnitz, Y. Fisyak, Kejun Kang, L. V. Nogach, Sumit R. Das, M. Zyzak, G. Van Nieuwenhuizen, J. Pluta, W. Li, D. Garand, Sevil Salur, Y. Wang, C. E. Flores, E. G. Judd, R. R. Debbe, C. Zhong, Shangfeng Yang, J. H. Chen, C. Yang, Pradip Kumar Sahu, P. V. Shanmuganathan, C. Perkins, E. C. Aschenauer, P. Federic, A. A. Derevschikov, Justin Ewigleben, Lin Ma, Siwei Luo, K. Oh, D. L. Olvitt, J. K. Adkins, R. Fatemi, L. He, Zongye Zhang, I. G. Bordyuzhin, J. D. Roth, Rene Bellwied, J. Rusnak, R. Stock, P. Seyboth, Vitaly Okorokov, R. E. Tribble, A. F. Kraishan, L. Ruan, Leszek Adamczyk, Z. H. Khan, G. Odyniec, W. Guryn, Y. Zoulkarneeva, G. Igo, J. Novak, D. A. Morozov, W. J. Llope, Alexander Jentsch, Bernd Surrow, Z. W. Miller, A. K. Bhati, D. Keane, B. Sharma, J. Bouchet, M. R. Girard, A. Attri, K. D. Landry, N. Elsey, Gerald W Hoffmann, T. Todoroki, D. Tlusty, Nikolai Smirnov, I. Sakrejda, K. Kauder, S. Margetis, X. Dong, J. Butterworth, J. C. Webb, K. Krueger, W. B. Schmidke, C. A. Gagliardi, L. G. Efimov, M. J. Skoby, Yinina Ma, I. Kisel, T. K. Nayak, E. P. Sichtermann, Y. F. Xu, L. Fulek, W. Solyst, Z. Chang, Y. Panebratsev, J. Fedorisin, D. Grosnick, Nilay Shah, T. J. Humanic, Bedangadas Mohanty, R. Aoyama, M. Posik, Abdel Nasser Tawfik, M. Cherney, T. Ullrich, H. M. Spinka, Lokesh Kumar, D. G. Underwood, Hua Pei, S. K. Tripathy, J. H. Thomas, Q. Yang, C. M. Du, J. Jia, L. P. Zhou, H. S. Xu, S. B. Nurushev, B. S. Page, Y. Guo, Jongmin Lee, R. L. Ray, J. Cheng, R. Ma, M. Stepanov, T. Ljubicic, L. C. De Silva, D. P. Kikola, G. S. Averichev, B. Stringfellow, Niseem Magdy, H. Caines, M. Shao, Y. X. Pan, G. Van Buren, S. S. Shi, Michal Sumbera, S. Fazio, S. W. Wissink, Y. Zhang, D. Arkhipkin, J. Thäder, A. Hamed, P. Chaloupka, Z. J. Xu, S. Trentalange, B. Pawlik, A. Gibson, S. Zhang, David Brown, F. Liu, Miroslav Simko, Mariusz Przybycien, R. D. Majka, J. Schambach, W. Christie, Andrey Vasiliev, Janet Elizabeth Seger, Anju Bhasin, T. Niida, A. Lebedev, Z. Shi, R. Witt, S. Mioduszewski, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, J. C. Dunlop, L. Wen, Zubayer Ahammed, Q. Y. Shou, R. Pak, J. L. Drachenberg, Olga Evdokimov, Jay Roberts, and H. W. Ke
Subjects: Physics, Nuclear reaction, Particle physics, 010308 nuclear & particles physics, media_common.quotation_subject, Hadron, General Physics and Astronomy, Jet (particle physics), 01 natural sciences, Asymmetry, Nuclear physics, Momentum, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Jet quenching, media_common, STAR detector
Abstract: We report the first dijet transverse momentum asymmetry measurements from Au+Au and pp collisions at RHIC. The two highest-energy back-to-back jets reconstructed from fragments with transverse momenta above 2 GeV/c display a significantly higher momentum imbalance in heavy-ion collisions than in the pp reference. When reexamined with correlated soft particles included, we observe that these dijets then exhibit a unique new feature-momentum balance is restored to that observed in pp for a jet resolution parameter of R=0.4, while rebalancing is not attained with a smaller value of R=0.2.
Published: 2017

56. Measurement of D0 Azimuthal Anisotropy at Midrapidity in Au+Au Collisions at sNN=200 GeV

Author: J. Lidrych, Chi Yang, D. N. Svirida, Jian Deng, Anju Bhasin, N. Kulathunga, N. Xu, G. Agakishiev, D. S. Gunarathne, P. Filip, T. Niida, J. L. Romero, A. Lebedev, Zongye Zhang, J. K. Adkins, Y. Guo, I. G. Bordyuzhin, Z. Shi, C. Zhong, E. C. Aschenauer, D. Cebra, P. Pile, A. Taranenko, G. D. Westfall, R. Fatemi, L. He, E. Finch, Xiaofeng Zhu, S. Margetis, A. Ogawa, Zhanwen Zhu, J. M. Campbell, S. Kabana, P. Seyboth, X. Dong, J. H. Thomas, Xuedong Bai, K. Krueger, C-Q. Li, M. J. Rehbein, Christina Markert, J. Engelage, L. P. Zhou, R. S. Longacre, Justin Ewigleben, Roli Esha, G. Odyniec, D. Smirnov, O. Rusnakova, H. S. Matis, L. K. Kosarzewski, W. W. Jacobs, J. L. Drachenberg, N. N. Ajitanand, J. Lauret, R. Lednicky, L. Kochenda, T. Tarnowsky, K. Kauder, B. Pawlik, Leszek Adamczyk, G. Nigmatkulov, W. Christie, Jaroslav Bielcik, P. V. Shanmuganathan, F. Videbæk, G. Webb, P. Federic, Muhammad Usman Ashraf, Z. W. Miller, Andrey Vasiliev, Olga Evdokimov, Barbara Antonina Trzeciak, D. Mallick, H. Z. Huang, S. Vokal, A. Gibson, T. G. Dedovich, Jie Zhao, T. Lin, S. Horvat, G. S. Averichev, J. M. Landgraf, Sergey Voloshin, S. Zhang, Arka Chatterjee, M. J. Skoby, Sukalyan Chattopadhyay, M. Strikhanov, G. Igo, M. Tokarev, Yang Yang, Jay Roberts, X.G. Li, Joseph Kwasizur, M. Shao, G. Van Buren, Michal Sumbera, J. Bouchet, Zebo Tang, L. Fulek, Janet Elizabeth Seger, Z. Chang, K. Jiang, K. D. Landry, M. K. Mustafa, D. Tlusty, Shize Yang, O. D. Tsai, J. Butterworth, H. W. Ke, O. V. Rogachevskiy, M. Simko, A. Quintero, J. Sandweiss, L. Yi, M. Saur, Yanjun Wu, S. S. Shi, Nasim, W. Solyst, V. A. Okorokov, Xiangming Sun, Y. F. Xu, Y. Li, S. Singha, T. Nonaka, Leo Clifford Greiner, David Brown, M. Cherney, J. W. Harris, S. W. Wissink, J. H. Chen, Peifeng Liu, Mukesh Sharma, M. R. Girard, F. Liu, M. Posik, Q. H. Xu, Lokesh Kumar, Wei Xie, G. Wang, Mariusz Przybycien, J. C. Dunlop, L. Wen, Arabinda Behera, H. M. Spinka, A. Aparin, T. D. S. Stanislaus, J. Xu, W. Zha, M. Sergeeva, H. G. Ritter, C. Perkins, Madan M. Aggarwal, I. G. Alekseev, M. A. Lisa, H. H. Wieman, J. C. Mei, Hua Pei, Fuqiang Wang, Y. Pandit, Siwei Luo, D. K. Mishra, D. A. Morozov, J. Porter, Yifei Zhang, N. Schmitz, Zubayer Ahammed, E. Shahaliev, R. D. Majka, Benjamin Schweid, Rafal Sikora, S. K. Tripathy, Yu-Gang Ma, D. Kalinkin, D. Arkhipkin, Hao Qiu, A. Hamed, J. Schambach, Ivan Kisel, Thorsten Sven Kollegger, L. Song, A. Vossen, P. Federicova, J. M. Nelson, Anik Gupta, B. Huang, Z. H. Khan, S. Esumi, D. G. Underwood, Jiangyong Jia, W. J. Llope, T. J. Humanic, Z. Feng, S. Heppelmann, Frank Jm Geurts, B. J. Summa, A. H. Tang, W. Q. Shen, I. K. Yoo, J. Y. Zhang, Q. Yang, Bernd Surrow, A. M. Poskanzer, Z. Ye, Abdel Nasser Tawfik, N. Yu, Q. Y. Shou, Alexander Jentsch, N. Elsey, C. Zhou, Kejun Kang, L. V. Nogach, I. Bunzarov, K. Meehan, Maowu Nie, X. Huang, W. B. Schmidke, J. B. Zhang, J. Cheng, Sumit R. Das, G. Van Nieuwenhuizen, J. E. Draper, A. Attri, A. Kechechyan, C. A. Gagliardi, R. Pak, A. Sharma, S. Ramachandran, Xiang Sun, Pradip Kumar Sahu, D. L. Olvitt, C. E. Flores, E. G. Judd, O. Eyser, B. S. Page, L. C. De Silva, K. Poniatowska, N. K. Pruthi, D. P. Kikola, Y. Wang, Guannan Xie, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, Xuan Zhang, Peng Huo, Bedangadas Mohanty, B. Stringfellow, S. K. Gupta, A. Harlenderova, Giacomo Contin, P. Bhattarai, R. Aoyama, R. Witt, Isaac Upsal, S. B. Nurushev, W. Guryn, Hanna Paulina Zbroszczyk, S. Fazio, P. Chaloupka, S. Mioduszewski, G. Eppley, R. Lacey, M. A. Szelezniak, Xuliang Chen, Z. J. Xu, Tetsuro Sugiura, Y. J. Sun, Prithwish Tribedy, B. K. Srivastava, Xiaofeng Luo, C. Dilks, Guo-Liang Ma, Nihar Sahoo, R. Reed, S. Trentalange, J. Pluta, J. Fedorisin, H. Liu, A. S. Hirsch, M. M. Mondal, P. Kravtsov, A. M. Schmah, N. Chankova-Bunzarova, W. Li, J. D. Roth, Rene Bellwied, Anthony Robert Timmins, Adam Ryszard Kisiel, D. Garand, H. J. Crawford, R. E. Tribble, J. Thäder, Gerald W Hoffmann, Sevil Salur, E. P. Sichtermann, T. Ullrich, Jongmin Lee, R. L. Ray, R. Ma, T. Ljubicic, Niseem Magdy, H. Caines, M. Lomnitz, A. K. Bhati, D. Keane, Nikolai Smirnov, L. G. Efimov, T. K. Nayak, M. Kocmanek, Y. Panebratsev, D. Grosnick, K. Yip, R. R. Debbe, J. Kvapil, Nilay Shah, Y. Fisyak, Jorn Henning Putschke, Lin Ma, K. Oh, A. V. Brandin, Vipul Bairathi, Jana Bielcikova, P. Sorensen, L. Didenko, I. Chakaberia, Maksym Zyzak, Zhigang Xiao, T. Huang, J. C. Webb, Yunpeng Liu, Derek Anderson, N. G. Minaev, James Brandenburg, S. Mizuno, J. Rusnak, A. F. Kraishan, L. E. Dunkelberger, L. Ruan, A. A. Derevschikov, T. Todoroki, and L. C. Bland
Subjects: Nuclear reaction, Physics, Meson, 010308 nuclear & particles physics, Hadron, General Physics and Astronomy, Kinetic energy, 01 natural sciences, Particle identification, Charm quark, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, 010306 general physics, Dimensionless quantity
Abstract: We report the first measurement of the elliptic anisotropy (v_{2}) of the charm meson D^{0} at midrapidity (|y
Published: 2017

57. Measurement of the cross section and longitudinal double-spin asymmetry for dijet production in polarized pp collisions at s=200 GeV

Author: Nasim, Jongmin Lee, R. L. Ray, R. Ma, D. Kalinkin, T. Ljubicic, B. Pawlik, S. Heppelmann, D. Tlusty, Niseem Magdy, H. Caines, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, J. K. Adkins, A. Quintero, B. J. Summa, S. Zhang, S. Fazio, Zongye Zhang, P. Chaloupka, Ting Lin, S. Trentalange, V. A. Okorokov, R. Fatemi, L. He, P. Seyboth, H. Liu, I. G. Bordyuzhin, Madan M. Aggarwal, Arka Chatterjee, P. Sorensen, Joseph Kwasizur, Benjamin Schweid, T. J. Humanic, D. Arkhipkin, A. Hamed, Qi Yang, M. Saur, Fuqiang Wang, D. K. Mishra, Dukhishyam Mallick, Niladribihari Sahoo, Z. H. Khan, I. Upsal, Leszek Adamczyk, Z. W. Miller, J. Thäder, Chong Kim, A. V. Brandin, J. Porter, Ivan Kisel, M. Sergeeva, Xin Chen, M. Cherney, S. Ramachandran, O. Eyser, A. Vossen, Xiangming Sun, Lokesh Kumar, Hua Pei, I. K. Yoo, E. P. Sichtermann, S. Esumi, S. K. Tripathy, M. Shao, G. Van Buren, Q. H. Xu, J. Xu, M. K. Mustafa, H. G. Ritter, Vipul Bairathi, Abdel Nasser Tawfik, B. Huang, Jana Bielcikova, J. Engelage, G. Nigmatkulov, Y. F. Wu, M. M. Mondal, C. E. Flores, E. G. Judd, Jaroslav Bielcik, J. Rusnak, A. F. Kraishan, L. Ruan, Justin Ewigleben, A. Gibson, C. Zhong, David Brown, J. Putschke, Xiaofeng Zhu, T. Ullrich, S. S. Shi, Y. Li, Guo-Liang Ma, A. Ogawa, K. Poniatowska, S. K. Gupta, Giacomo Contin, N. N. Ajitanand, Li Yi, Jie Zhang, J. M. Landgraf, Yu-Gang Ma, T. Kollegger, Bedangadas Mohanty, Muhammad Usman Ashraf, Sergey Voloshin, J. W. Harris, C-Q. Li, J. H. Thomas, J. M. Nelson, M. Strikhanov, B. S. Page, Rafal Sikora, G. Wang, D. P. Kikola, Guannan Xie, H. Z. Huang, Xuan Zhang, O. V. Rogachevskiy, S. Vokal, L. Didenko, I. Chakaberia, Manish Sharma, P. Federicova, B. Stringfellow, T. Todoroki, D. Kapukchyan, James Brandenburg, N. K. Pruthi, J. Fujita, P. Federic, L. P. Zhou, Anthony Robert Timmins, Adam Ryszard Kisiel, A. S. Hirsch, R. Aoyama, M. J. Rehbein, Christina Markert, O. Rusnakova, Zebo Tang, L. C. Bland, K. N. Barish, N. Kulathunga, N. Xu, P. Filip, H. S. Matis, G. Eppley, H. J. Crawford, P. V. Shanmuganathan, K. Yip, G. S. Averichev, G. Odyniec, J. Sandweiss, L. K. Kosarzewski, R. R. Debbe, Y. F. Xu, M. Tokarev, Yang Yang, J. L. Romero, P. Pile, G. D. Westfall, S. Das, W. W. Jacobs, T. Tarnowsky, P. Kravtsov, A. M. Schmah, Dmitry Smirnov, F. Liu, Miroslav Simko, Shangfeng Yang, J. H. Chen, J. C. Webb, Z. Chang, L. E. Dunkelberger, Mariusz Przybycien, Archana Sharma, C. Yang, Michal Sumbera, Bernd Surrow, J. Lauret, R. S. Longacre, Hao Qiu, A. Gupta, J. Pluta, E. Finch, M. Zyzak, D. A. Morozov, W. Solyst, M. Posik, Arabinda Behera, H. M. Spinka, Hanna Paulina Zbroszczyk, Xuedong Bai, R. Lednicky, T. D. S. Stanislaus, S. W. Wissink, N. Elsey, K. Jiang, C. Perkins, E. C. Aschenauer, Y. Wang, L. Kochenda, N. Chankova-Bunzarova, W. Li, A. A. Derevschikov, Y. Zhang, X. G. Luo, A. H. Tang, H. H. Wieman, G. Igo, I. Bunzarov, J. D. Roth, S. Margetis, Rene Bellwied, W. B. Schmidke, J. E. Draper, J. Bouchet, L. Krauth, Wei Xie, G. J. van Nieuwenhuizen, R. Reed, Zhigang Xiao, C. A. Gagliardi, T. Huang, R. E. Tribble, K. D. Landry, K. Kauder, A. Taranenko, I. G. Alekseev, M. A. Lisa, J. Butterworth, F. Videbæk, Y. Fisyak, G. Webb, Yunpeng Liu, Derek Anderson, J. C. Mei, D. N. Svirida, A. Aparin, Sukalyan Chattopadhyay, Lin Ma, X. Dong, K. Oh, N. G. Minaev, Gerald W Hoffmann, R. Seto, M. J. Skoby, Frank Jm Geurts, Y. Pandit, Z. Ye, N. Schmitz, W. J. Llope, Maowu Nie, C. Zhou, R. D. Majka, E. Shahaliev, X. Huang, S. B. Nurushev, A. Kechechyan, Pradip Kumar Sahu, K. Meehan, T. Nonaka, J. Kvapil, Jindrich Lidrych, Nilay Shah, Alexander Jentsch, Siwei Luo, J. L. Drachenberg, Jian Deng, S. Mizuno, Z. Feng, M. Lomnitz, Roli Esha, A. Attri, Jie Zhao, S. Horvat, G. Agakishiev, D. S. Gunarathne, M. R. Girard, D. L. Olvitt, Jiangyong Jia, D. Cebra, P. Bhattarai, J. Schambach, H. W. Ke, L. Fulek, W. Zha, Zhanwen Zhu, W. Christie, Tetsuro Sugiura, Y. J. Sun, C. Dilks, S. Kabana, Peng Huo, A. Harlenderova, Subhash Singha, Andrey Vasiliev, X. M. Sun, W. Guryn, R. Lacey, X.G. Li, Janet Elizabeth Seger, J. Fedorisin, Anju Bhasin, K. Kang, T. Niida, A. Lebedev, D. G. Underwood, Z. Shi, J. Cheng, L. C. De Silva, R. Witt, S. Mioduszewski, Prithwish Tribedy, B. K. Srivastava, J. C. Dunlop, L. Wen, Zubayer Ahammed, Q. Y. Shou, R. Pak, Olga Evdokimov, Barbara Antonina Trzeciak, Jay Roberts, K. Krueger, J. M. Campbell, T. G. Dedovich, J. Y. Zhang, N. Yu, L. V. Nogach, O. D. Tsai, L. Song, W. Q. Shen, D. Garand, Sevil Salur, A. K. Bhati, D. Keane, L. G. Efimov, T. K. Nayak, M. Kocmanek, Peng Liu, Y. Panebratsev, D. Grosnick, Z. Z. Xu, Nikita Smirnov, and Y. Guo
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, media_common.quotation_subject, High Energy Physics::Phenomenology, Perturbative QCD, Polarization (waves), 01 natural sciences, Asymmetry, Gluon, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, media_common
Abstract: We report the first measurement of the longitudinal double-spin asymmetry A(LL) for midrapidity dijet production in polarized pp collisions at a center-of-mass energy of root s = 200 GeV. The dijet cross section was measured and is shown to be consistent with next-to-leading order (NLO) perturbative QCD predictions. A(LL) results are presented for two distinct topologies, defined by the jet pseudorapidities, and are compared to predictions from several recent NLO global analyses. The measured asymmetries, the first such correlation measurements, support those analyses that find positive gluon polarization at the level of roughly 0.2 over the region of Bjorken-x > 0.05.
Published: 2017

58. Elliptic flow of electrons from heavy-flavor hadron decays in Au + Au collisions at sNN=200 , 62.4, and 39 GeV

Author: P. Filip, P. Pile, G. D. Westfall, S. Das, I. G. Alekseev, M. A. Lisa, J. C. Mei, A. Gupta, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, N. N. Ajitanand, Peng Huo, A. Harlenderova, M. Tokarev, Yang Yang, W. Guryn, R. Lacey, C-Q. Li, Dukhishyam Mallick, Justin Ewigleben, A. Gibson, T. D. S. Stanislaus, C. Zhong, J. Fedorisin, H. H. Wieman, Zhigang Xiao, David Brown, T. Kollegger, T. Huang, Yunpeng Liu, Derek Anderson, N. G. Minaev, J. Rusnak, A. F. Kraishan, Arka Chatterjee, E. P. Sichtermann, F. Liu, M. J. Rehbein, Christina Markert, L. Ruan, W. J. Llope, C. Zhou, Miroslav Simko, Mariusz Przybycien, F. Videbæk, T. Todoroki, K. Yip, R. R. Debbe, O. Rusnakova, H. S. Matis, J. C. Webb, J. C. Dunlop, L. Wen, Zebo Tang, G. Webb, Jaroslav Bielcik, Alexander Jentsch, D. G. Underwood, M. K. Mustafa, Sukalyan Chattopadhyay, L. K. Kosarzewski, W. W. Jacobs, R. D. Majka, G. Eppley, A. Attri, Y. Li, Zubayer Ahammed, J. Lauret, Jie Zhang, J. L. Drachenberg, J. Schambach, A. V. Brandin, P. Bhattarai, T. Ullrich, O. V. Rogachevskiy, J. Cheng, Wei Xie, Z. Ye, P. Seyboth, Siwei Luo, Vipul Bairathi, Anju Bhasin, Maowu Nie, X. Huang, A. Kechechyan, A. Aparin, P. Federic, J. H. Thomas, L. C. De Silva, Pradip Kumar Sahu, T. Nonaka, C. Perkins, R. Lednicky, L. Kochenda, R. S. Longacre, Q. Y. Shou, D. Kalinkin, S. Heppelmann, S. Mizuno, Z. Feng, James Brandenburg, J. W. Harris, K. Kang, T. Niida, Leszek Adamczyk, M. Kocmanek, Peng Liu, Y. Panebratsev, D. Grosnick, M. Lomnitz, L. P. Zhou, Y. Pandit, A. Lebedev, P. V. Shanmuganathan, Z. Shi, N. Schmitz, B. J. Summa, E. Shahaliev, R. Pak, Roli Esha, T. Tarnowsky, M. J. Skoby, Frank Jm Geurts, J. Pluta, M. Zyzak, W. Xu, S. Horvat, Z. W. Miller, D. L. Olvitt, L. E. Dunkelberger, Jiangyong Jia, X. G. Luo, A. H. Tang, G. S. Averichev, Bernd Surrow, N. Elsey, Z. Z. Xu, N. Chankova-Bunzarova, J. Kvapil, J. L. Romero, E. C. Aschenauer, J. Putschke, Xiaofeng Zhu, R. Witt, I. Bunzarov, G. Igo, J. Porter, W. Christie, W. Li, S. Ramachandran, S. Margetis, K. Meehan, Jindrich Lidrych, W. Zha, O. Eyser, H. W. Ke, L. Fulek, A. A. Derevschikov, W. B. Schmidke, Nikita Smirnov, Nilay Shah, C. A. Gagliardi, S. Mioduszewski, E. Finch, X. Dong, Ivan Kisel, A. Ogawa, Subhash Singha, Xuedong Bai, J. Bouchet, Andrey Vasiliev, J. D. Roth, Rene Bellwied, Madan M. Aggarwal, O. D. Tsai, Fuqiang Wang, D. K. Mishra, Guo-Liang Ma, J. M. Campbell, Li Yi, K. D. Landry, K. Kauder, A. Taranenko, J. Butterworth, Jana Bielcikova, Tetsuro Sugiura, Prithwish Tribedy, B. K. Srivastava, X.G. Li, Janet Elizabeth Seger, A. Vossen, T. G. Dedovich, L. Song, S. Fazio, Zongye Zhang, Y. F. Wu, W. Q. Shen, R. E. Tribble, Y. J. Sun, S. Esumi, Y. Guo, A. S. Hirsch, Muhammad Usman Ashraf, Sergey Voloshin, C. Dilks, Jize Zhao, Jongmin Lee, R. L. Ray, I. G. Bordyuzhin, M. Saur, Olga Evdokimov, Barbara Antonina Trzeciak, R. Ma, P. Kravtsov, A. M. Schmah, Dmitry Smirnov, J. Y. Zhang, Qi Yang, S. Kabana, D. Garand, N. Yu, L. V. Nogach, K. Jiang, M. Sergeeva, Gerald W Hoffmann, Q. H. Xu, T. Ljubicic, Y. Wang, G. J. van Nieuwenhuizen, L. Didenko, I. Chakaberia, Sevil Salur, H. G. Ritter, H. Caines, Rafal Sikora, A. Quintero, J. Xu, Y. Fisyak, Jay Roberts, Abdel Nasser Tawfik, Z. Chang, Lin Ma, L. C. Bland, K. Oh, B. Huang, A. K. Bhati, D. Keane, Archana Sharma, K. Krueger, Y. F. Xu, R. Stock, L. G. Efimov, G. Wang, K. Poniatowska, S. K. Gupta, M. Posik, T. K. Nayak, N. K. Pruthi, Giacomo Contin, Arabinda Behera, B. S. Page, Manish Sharma, H. M. Spinka, P. Federicova, D. N. Svirida, D. P. Kikola, Hao Qiu, W. Solyst, B. Stringfellow, Guannan Xie, Xuan Zhang, H. Liu, R. Aoyama, Hanna Paulina Zbroszczyk, R. Reed, Jian Deng, Benjamin Schweid, Anthony Robert Timmins, Adam Ryszard Kisiel, T. J. Humanic, D. Arkhipkin, A. Hamed, J. Engelage, G. Nigmatkulov, G. Agakishiev, D. S. Gunarathne, D. Cebra, J. M. Landgraf, M. Strikhanov, H. J. Crawford, J. K. Adkins, M. R. Girard, R. Fatemi, L. He, H. Z. Huang, S. Vokal, G. Odyniec, J. Sandweiss, Nasim, I. Upsal, P. Chaloupka, Ting Lin, D. Tlusty, Shangfeng Yang, J. Thäder, J. H. Chen, S. Trentalange, N. Magdy, M. Cherney, Xiangming Sun, Niladribihari Sahoo, Lokesh Kumar, D. A. Morozov, Bedangadas Mohanty, Hua Pei, S. K. Tripathy, Z. H. Khan, B. Pawlik, S. Zhang, V. A. Okorokov, A. M. Poskanzer, Zhanwen Zhu, Michal Sumbera, S. W. Wissink, Y. Zhang, Xuliang Chen, J. E. Draper, I. K. Yoo, M. M. Mondal, C. E. Flores, E. G. Judd, X. M. Sun, C. Yang, S. B. Nurushev, P. Sorensen, Joseph Kwasizur, M. Shao, G. Van Buren, S. S. Shi, J. M. Nelson, Y. G. Ma, N. Kulathunga, and N. Xu
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Elliptic flow, Hadron, Elementary particle, Fermion, Electron, 01 natural sciences, Charged particle, Charm quark, Nuclear physics, 0103 physical sciences, 010306 general physics, Lepton
Abstract: Author(s): Adamczyk, L; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Ajitanand, NN; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D; Aschenauer, EC; Ashraf, MU; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Behera, A; Bellwied, R; Bhasin, A; Bhati, AK; Bhattarai, P; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Bouchet, J; Brandenburg, JD; Brandin, AV; Brown, D; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chattopadhyay, S; Chen, X; Chen, JH; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; De Silva, LC; Debbe, RR; Dedovich, TG; Deng, J; Derevschikov, AA; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Draper, JE; Dunkelberger, LE; Dunlop, JC; Efimov, LG; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, J; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Federicova, P; Fedorisin, J; Feng, Z; Filip, P; Finch, E; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Garand, D | Abstract: We present measurements of elliptic flow (v2) of electrons from the decays of heavy-flavor hadrons (eHF) by the STAR experiment. For Au+Au collisions at sNN=200 GeV we report v2, for transverse momentum (pT) between 0.2 and 7 GeV/c, using three methods: the event plane method (v2{EP}), two-particle correlations (v2{2}), and four-particle correlations (v2{4}). For Au+Au collisions at sNN=62.4 and 39 GeV we report v2{2} for pTl2GeV/c. v2{2} and v2{4} are nonzero at low and intermediate pT at 200 GeV, and v2{2} is consistent with zero at low pT at other energies. The v2{2} at the two lower beam energies is systematically lower than at sNN=200 GeV for pTl1GeV/c. This difference may suggest that charm quarks interact less strongly with the surrounding nuclear matter at those two lower energies compared to sNN=200 GeV.
Published: 2017

59. Charge-Dependent Directed Flow in Cu+Au Collisions at sNN=200 GeV

Author: J. Engelage, Michal Sumbera, G. Nigmatkulov, J. M. Landgraf, I. G. Alekseev, M. Strikhanov, R. Witt, W. J. Llope, M. A. Lisa, J. C. Mei, S. Fazio, S. Mioduszewski, H. Z. Huang, S. Vokal, Alexander Jentsch, S. W. Wissink, Q. H. Xu, G. Eppley, Donald M. McDonald, Prithwish Tribedy, T. Nonaka, B. K. Srivastava, J. Xu, A. Attri, Y. Zhang, G. Odyniec, Y. Zoulkarneeva, Shangfeng Yang, J. H. Chen, J. M. Campbell, J. Pluta, W. Li, M. Calderon De La Barca Sanchez, A. I. Hamad, Haiyan Wang, J. Thäder, T. G. Dedovich, J. C. Dunlop, L. Wen, J. Sandweiss, D. A. Morozov, Zubayer Ahammed, J. D. Roth, Sedigheh Jowzaee, Xiang Li, B. Huang, J. Y. Zhang, N. Yu, M. Shao, Y. X. Pan, G. Van Buren, Kejun Kang, L. V. Nogach, S. S. Shi, Xiaofeng Luo, I. Sakrejda, Guo-Liang Ma, Sumit R. Das, M. J. Skoby, G. Van Nieuwenhuizen, K. Poniatowska, R. S. Longacre, W. Solyst, Rene Bellwied, L. Fulek, Q. Y. Shou, J. Porter, L. C. Bland, M. Tokarev, Yang Yang, S. K. Gupta, Giacomo Contin, A. S. Hirsch, Xiaofeng Zhu, R. E. Tribble, Madan M. Aggarwal, R. Pak, Gerald W Hoffmann, D. Arkhipkin, Wei Xie, A. Hamed, P. Kravtsov, A. M. Schmah, Fuqiang Wang, Nasim, M. A.C. Lamont, R. Stock, S. Heppelmann, B. J. Summa, J. L. Drachenberg, Olga Evdokimov, A. Ogawa, Bedangadas Mohanty, M. R. Girard, C. Yang, Nihar Sahoo, Nilay Shah, G. Igo, J. Novak, C-Q. Li, D. K. Mishra, Jian Deng, A. Aparin, Jorn Henning Putschke, T. D. S. Stanislaus, X. C. Chen, G. Agakishiev, D. S. Gunarathne, J. B. Zhang, D. D. Koetke, B. Sharma, J. E. Draper, D. N. Svirida, A. Sarkar, H. H. Wieman, A. Manion, P. Huck, A. V. Brandin, M. J. Rehbein, R. P. Scharenberg, Christina Markert, J. Bouchet, S. Ramachandran, K. Kauder, O. Eyser, Xiangming Sun, Jay Roberts, D. Cebra, D. Smirnov, O. Rusnakova, H. S. Matis, K. Xin, K. D. Landry, Yu-Gang Ma, F. Videbæk, G. Webb, J. Butterworth, S. Kabana, M. M. Mondal, D. Kalinkin, P. Bhattarai, Isaac Upsal, H. W. Ke, Guannan Xie, Xuan Zhang, Sukalyan Chattopadhyay, L. K. Kosarzewski, B. Di Ruzza, W. W. Jacobs, Anthony Robert Timmins, Vipul Bairathi, J. Lauret, S. B. Nurushev, Y. Pandit, Z. Chang, S. Esumi, Adam Ryszard Kisiel, Y. F. Xu, N. Schmitz, L. Yi, Hanna Paulina Zbroszczyk, A. Vossen, H. J. Crawford, Hao Qiu, Z. H. Khan, I. K. Yoo, D. G. Underwood, R. Lednicky, A. M. Poskanzer, Z. Ye, J. W. Harris, L. Kochenda, T. Tarnowsky, P. Chaloupka, E. Shahaliev, Z. J. Xu, R. Reed, Z. Feng, M. Lomnitz, R. Haque, J. K. Adkins, Y. J. Sun, C. Dilks, H. G. Ritter, X. Huang, A. Kechechyan, N. K. Pruthi, Jaroslav Bielcik, M. Posik, S. Trentalange, D. L. Olvitt, R. Fatemi, Rafal Sikora, C. E. Flores, E. G. Judd, L. He, Q. Yang, Pradip Kumar Sahu, A. H. Tang, K. Krueger, T. Sugiura, H. M. Spinka, O. V. Rogachevskiy, B. Pawlik, A. Quintero, M. Zyzak, T. J. Humanic, I. Bunzarov, I. Kisel, A. Gibson, S. Zhang, K. Yip, J. S. Wang, Abdel Nasser Tawfik, Basanta Kumar Nandi, J. Cheng, R. R. Debbe, M. Cherney, R. Varma, B. S. Page, Bernd Surrow, Lokesh Kumar, V. A. Okorokov, J. H. Thomas, Hua Pei, D. P. Kikola, B. Stringfellow, S. K. Tripathy, L. C. De Silva, L. P. Zhou, W. B. Schmidke, C. A. Gagliardi, M. Stepanov, G. S. Averichev, Roli Esha, Zongye Zhang, I. G. Bordyuzhin, Jie Zhao, T. Lin, S. Horvat, Jana Bielcikova, J. L. Romero, Arka Chatterjee, W. Zha, E. Finch, Xuedong Bai, M. K. Mustafa, W. Guryn, Y. Li, S. Singha, J. Fedorisin, P. Federic, E. P. Sichtermann, T. Ullrich, C. M. Du, H. S. Xu, Y. Guo, Jongmin Lee, R. L. Ray, R. Ma, T. Ljubicic, Niseem Magdy, H. Caines, F. Liu, Miroslav Simko, Mariusz Przybycien, Siwei Luo, J. Jia, Muhammad Usman Ashraf, R. D. Majka, Sergey Voloshin, K. Jiang, J. Schambach, Yanjun Wu, W. Christie, Anik Gupta, Frank Jm Geurts, C. Zhong, E. C. Aschenauer, S. Margetis, Andrey Vasiliev, O. D. Tsai, L. Song, W. Q. Shen, X. Dong, Janet Elizabeth Seger, D. Garand, Sevil Salur, K. Meehan, Anju Bhasin, A. Sharma, T. Niida, A. Lebedev, S. McKinzie, Z. Shi, A. K. Bhati, D. Keane, Nikolai Smirnov, Zebo Tang, L. G. Efimov, T. K. Nayak, Leo Clifford Greiner, Y. Panebratsev, D. Grosnick, R. Aoyama, C. Perkins, N. Xu, P. Filip, P. Pile, G. D. Westfall, J. Rusnak, A. F. Kraishan, L. Ruan, T. Todoroki, Zhigang Xiao, T. Huang, P. Seyboth, Leszek Adamczyk, Yunpeng Liu, Derek Anderson, Z. W. Miller, D. Tlusty, N. G. Minaev, Y. Wang, Y. Fisyak, Lin Ma, K. Oh, Mukesh Sharma, G. Wang, Z. J. Sun, Robert Vertesi, P. Sorensen, L. Didenko, I. Chakaberia, J. C. Webb, James Brandenburg, P. V. Shanmuganathan, L. E. Dunkelberger, and A. A. Derevschikov
Subjects: Quark, Physics, 010308 nuclear & particles physics, General Physics and Astronomy, Charge (physics), 01 natural sciences, Electric charge, Charged particle, Electric field, Pseudorapidity, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: We present the first measurement of charge-dependent directed flow in Cu+Au collisions at sqrt[s_{NN}]=200 GeV. The results are presented as a function of the particle transverse momentum and pseudorapidity for different centralities. A finite difference between the directed flow of positive and negative charged particles is observed that qualitatively agrees with the expectations from the effects of the initial strong electric field between two colliding ions with different nuclear charges. The measured difference in directed flow is much smaller than that obtained from the parton-hadron-string-dynamics model, which suggests that most of the electric charges, i.e., quarks and antiquarks, have not yet been created during the lifetime of the strong electric field, which is of the order of, or less than, 1 fm/c.
Published: 2017

60. Challenges in QCD matter physics --The scientific programme of the Compressed Baryonic Matter experiment at FAIR

Author: V. Jakovlev, R. Talukdar, Alberica Toia, V.M. Golovatyuk, P. Ivanov, Abhijit Bhattacharyya, M. Kohn, Yu. Onishchuk, M. Tanha, Suman Sau, E. Friske, L. Kumar, A. Roy, Valerica Baban, Yaping Wang, V. Blinov, D. Svirida, Pradip Kumar Sahu, D. Dementiev, A. Gomez Ramirez, M. Petris, Ming Shao, D. Blau, Yu. P. Tsyupa, A. Rost, D. P. Mahapatra, Y. F. Ryabov, D. Wielanek, Anju Bhasin, C. Lara, Saikat Biswas, Shusu Shi, E. P. Akishina, F. Seck, V. Jain, Hongfang Chen, O. Malyatina, B. Komkov, I. Carevic, V. Baublis, Raghunath Sahoo, D. Normanov, Tetyana Galatyuk, S. Amar-Youcef, Cristian Andrei, Yu. I. Bocharov, A. Vorobiev, M. Strikhanov, Y. Leifels, O. Petukhov, A. Petrovici, Dezso Varga, Oana Ristea, W. Verhoeven, J. Sánchez Rosado, Victor Golovtsov, S. Belogurov, E. Kryshen, M. Dey, Johannes Lehrbach, Y. P. Viyogi, A. V. Kazantsev, A. Himmi, M. Anđelić, Oleg Bezshyyko, Cheng Li, A. Raportirenko, Xu Cai, C. Kreidl, Daniela Bartos, T. Balog, Volker Lindenstruth, A. Chaus, M. Mohisin Khan, Mate Csanad, J. Pluta, A. Senger, Matthias Balzer, Christoph Blume, H. Appelshäuser, Di Jiang, B. Kämpfer, A. Lymanets, I. Berceanu, S. Gorbunov, S. Sarangi, V. Pospíšil, N. Heine, A. Veshikov, Yuanjing Li, V. Kushpil, Ch. Klein-Bösing, I. Selyuzhenkov, S. Razin, Guofeng Song, D. Belyakov, G. Berezin, V. Kyva, Andrei Ionut Herghelegiu, Heiko Engel, K. Schmidt, V. Klochkov, Alla Maevskaya, P.-A. Loizeau, L. Golinka-Bezshyyko, V.A. Karnaukhov, J. Bendarouach, C. Xiang, A.D. Sheremetiev, V. F. Chepurnov, Hr Schmidt, Zbigniew Sosin, M. Singla, I. Momot, O. Andreeva, I. Alexandrov, R. N. Singaraju, S. Avdeev, Evgeny Alexandrov, R. Płaneta, Gennady Ososkov, D. Hutter, A. Reinefeld, C.J. Schmidt, Andrei Dorokhov, Vikram Patel, K.-H. Becker, N. Kurepin, E. Lebedeva, C. P. Singh, Y. K. Sun, K. Jaaskelainen, Andras Szabo, J. Rożynek, Sanjeev Singh Sambyal, V. S. Negi, Krzysztof Piasecki, W. F. J. Müller, M. Baznat, N. Miftakhov, Feng Liu, N. Ahmad, L. Skoda, G. D. Kekelidze, Vladimir Ivanov, Krzysztof Kasinski, Xi-Wei Wang, D. Miskowiec, Serguei Volkov, Sudhir Raniwala, I. Tsakov, A. Nedosekin, Peter Senger, T. Barczyk, S. Dubnichka, C. Ristea, N.G. Tuturas, E. V. Atkin, D. Karmanov, W. Zabolotny, Tatiana Karavicheva, Subhasis Samanta, Yu.V. Zanevsky, S. Bähr, O. Batenkov, M. Petrovici, B. Milanovic, Muhammad Farooq, R. Karabowicz, I. Vassiliev, P. Staszel, Sheng Dong, Udo Wolfgang Kebschull, P. Koczon, Goutam Gangopadhyay, P. Zumbruch, Vladimir Plujko, Y. Berdnikov, Shue He, Volodymyr Vovchenko, V. Mialkovski, W. Zipper, T. Bus, O. Tarassenkova, S. K. Sahu, V. Militsija, Yu. Zaitsev, C. Müntz, S. K. Ghosh, Sushanta Tripathy, E. Rostchin, V. Shumikhin, I. Fröhlich, I. Panasenko, A. Laso Garcia, L. Dutka, Yu.S. Anisimov, B. Linnik, T. Tischler, A. Ivashkin, R. Kotte, Calin Besliu, T. Akishina, Rashmi Raniwala, Sheng Zheng, K. Koch, J. Kunkel, A. Shabunov, E. Lobanova, Wojciech Kucewicz, T. Breitner, M. Al-Turany, R. P. Adak, Claudiu Cornel Schiaua, S. Masciocchi, Zhongbao Yin, Xinjie Huang, Jens Wiechula, Nu Xu, I. Kisel, Christian Sturm, T. Mahmoud, V. Kalinin, A. Abuhoza, Mohd Danish Azmi, P. Zrelov, Jing Zhou, M. Dželalija, C. Deveaux, M. Goffe, Ke-Jun Wu, S. Strohauer, S. Bashir, D. Argintaru, B. Heß, A. Turowiecki, M. B. Golubeva, F. Ahmad, S. Gläßel, V. Plotnikov, Manuel Penschuck, Supriya Das, Grzegorz Kasprowicz, Vladislav Manko, O. Vasylyev, D. Kresan, L. Kudin, Yu. V. Gusakov, Dongdong Hu, Vladimir Nikulin, M. Ivanov, D. Gottschalk, Karl-Heinz Kampert, A. Kolosova, G. Caragheorgheopol, K. Dey, K. Mikhailov, Anand Kumar Dubey, J. Scholten, S. P. D. Figuli, T. Blank, Ajit Kumar, Vladimir Peshekhonov, Igor Pshenichnov, E. Badura, Michael Deveaux, I. Rostovtseva, M. Kiš, Jürgen Becker, Evgeny Karpechev, B. W. Kolb, Valery Pugatch, Xiaofeng Luo, I. Som, E. Ovcharenko, F.F. Guber, H. Büsching, H. Cherif, N. R. Panda, Zubayer Ahammed, R. Najman, Fouad Rami, M. Gumiński, J. Pieper, Jerzy Gajda, G. Kozlov, H. Jahan, A. Drozd, V. Butuzov, Joachim Stroth, I. K. Yoo, Thomas Janson, M. Petri, R. Holzmann, D. Finogeev, S. Golovnya, Ping Cao, E. Malankin, Buddhadeb Bhattacharjee, L. Meder, Junfeng Yang, Lei Zhao, C. Simon, S. Kuznetsov, I. Valin, M. Zyzak, H. Hartmann, T. Satława, Yi Wang, Anton Andronic, Daicui Zhou, Zebo Tang, M. Prokudin, V. Saveliev, Qiyan Li, I. M. Deppner, Mahitosh Mandal, F. Uhlig, J. A. Lucio Martínez, J. Book, L. Mik, S. Schatral, S. K. Pal, A. Petrovskiy, J. Pietraszko, B. Debnath, E. Usenko, O. Svoboda, Gy. Wolf, V.V. Elsha, J. Lehnert, Pengfei Lyu, S. Seddiki, Peter Fischer, Huanhuan Fan, D. Doering, J. Frühauf, C. Wendisch, Yu Zhang, V. Kozlov, P. Tlustý, Piotr Otfinowski, N. Baranova, Sergey Kiselev, J. Rautenberg, Dmitry Mal'kevich, I. Kadenko, I. Lobanov, Mikhail Zhalov, A. Rodriguez Rodriguez, D. Emschermann, Vikas Singhal, Pavel Akishin, M. Bach, P. Kravtsov, X. Zhu, C. Nandi, I. Korolko, Rongxing Yang, E. Nandy, D. Ivanischev, Anil Prakash, A. Semennikov, I. E. Yushmanov, S. Parzhitskiy, M. Vznuzdaev, A. Khvorostukhin, A. Kiryakov, Soma Mukherjee, LuYao Chen, M. Pugach, Piotr Kmon, J. Gebelein, V. Kleipa, C. Bergmann, Kai Schweda, S. Rabtsun, Victor Ivanov, Tivadar Kiss, M. Dreschmann, I. G. Alekseev, A. K. Kurilkin, A. Volochniuk, E. Krebs, A. Lebedev, V. Kramarenko, N. Topil'skaya, S. Das, S. Lebedev, S. Querchfeld, Madan M. Aggarwal, N.I. Zamiatin, Amrendra K. Singh, Swagata Mandal, A. Khanzadeev, C. Simons, Gilles Claus, U. Frankenfeld, V.V. Ivanov, A. Chernogorov, Pascal Dillenseger, V. Dobyrn, Z. Dubnichkova, S. Löchner, Bhartendu K. Singh, S. Ahmad, Rishat Sultanov, J. Kallunkathariyil, A. Wieloch, T. Matulewicz, R. Berendes, A. Shabanov, Saniya Khan, V. Friese, Anik Gupta, L. Kochenda, M. Kirejczyk, Pavel Kisel, Amlan Chakrabarti, Ashwini Kumar, Michal Koziel, A. Berdnikov, A. Sadovsky, T. O. Ablyazimov, S. Mahajan, M. Merkin, Robert Szczygiel, C. Pauly, Krzysztof Poźniak, F. Roether, Alexey Kurepin, Alexander Voronin, A. Bubak, Nikolai Shumeiko, Nicolas Winckler, A. V. Kryanev, Andrey Reshetin, A. Simakov, Sukalyan Chattopadhyay, E. M. Ilgenfritz, B. Sikora, Jihye Song, J. Hehner, Zhi Deng, M. Irfan, J. Saini, S. A. Lone, L. Naumann, D. Eschweiler, A. M. Marin Garcia, P. Kähler, O. Derenovskaya, A.P. Ierusalimov, Alexandru Jipa, K. Agarwal, T. Tolyhi, H. Malygina, Xingming Fan, Amalia Pop, Dmitry Golubkov, E. M. Verbitskaya, L. Radulescu, Ryszard S. Romaniuk, D. Pfeifer, Yifei Zhang, Rajarshi Ray, V. Zryuev, M. Teklishyn, M. Träger, S. Morozov, H. Flemming, A. Oancea, A. Wilms, P. Ghosh, A. Grzeszczuk, V. Mikhaylov, Patrick Simon Reichelt, Ankhi Roy, Sanguk Won, Vladimir Samsonov, T. Esanu, V. Akishina, D.V. Peshekhonov, A.I. Zinchenko, M. Żoładź, Xin Li, I. Sibiryak, J. Wüstenfeld, Aleksey Voronin, M. Korolev, Guangming Huang, A. Kugler, E. Kaptur, J. Michel, J. Tarasiuk, Manjit Kaur, A. Bychkov, F. Lemke, Bekhzod S Yuldashev, T. K. Bhattacharyya, S. Gorokhov, F. Schintke, P. Klaus, Adrian Byszuk, Ionel Lazanu, Dong Wang, Michael Dürr, M. Krieger, H. Deppe, Sibaji Raha, O. Sander, S. Kowalski, K. Wiśniewski, Alexander Malakhov, I. Filozova, Shengqin Feng, M. Calin, S. Reinecke, V. Kucher, M. Weber, A. Kovalchuk, V. Petráček, M. Adamczyk, K.K. Gudima, Johannes Peter Wessels, P. Sitzmann, J. Markert, V. K. Eremin, Alexandru Bercuci, Marc Winter, Mateusz Baszczyk, M.I. Ciobanu, E. Bao, M. Kuc, U. Brüning, O. V. Fateev, Piotr Maj, J. de Cuveland, M. G. Târzilă, Pavel Larionov, R. Averbeck, Jianping Cheng, Jacek Rauza, C. E. Muñoz Castillo, N. D'Ascenzo, O. Bertini, Wendi Deng, G. Kretschmar, I. Skwira-Chalot, W. Niebur, K. Oh, V. P. Ladygin, T. Morhardt, C. Höhne, M. G. Wiebusch, Partha Pratim Bhaduri, Dong Han, Oleg Karavichev, N. Herrmann, R. Visinka, F. Constantin, C. García Chávez, J. Brzychczyk, Sidharth Kumar Prasad, D. Soyk, V. V. Kirakosyan, W. Koenig, D. Bertini, Z. Majka, F. Khasanov, J. Eschke, P. Gryboś, E. Lavrik, V. Cătănescu, K. Siwek-Wilczyńska, P. K. Kurilkin, J.M. Heuser, Adeel Akram, Yu. Murin, Alexander Akindinov, A. K. Bhati, I. Kres, J. Förtsch, Rafal Kleczek, Jiajun Zheng, S. Manz, T. K. Nayak, Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), CBM, Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA), and Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: J/psi(3100), Phase transition, matter: interaction, Hadron, Nuclear Theory, hypernucleus, 7. Clean energy, 01 natural sciences, Critical point (thermodynamics), transport theory, hadron: gas, Nuclear Experiment, neutron star, QCD matter, Brookhaven RHIC Coll, quark gluon: plasma, Physics, Large Hadron Collider, fireball, elliptic flow, strong interaction, Observable, heavy ion, CERN LHC Coll, QCD matter, Quark-Gluon-Plasma (QGP), QCD phase diagram, strong interaction, hadronic matter, partonic matte, heavy-ion, 2-4.9 GeV/nucleon, Nuclear and High Energy Physics, Particle physics, CBM, charmonium, [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], Strong interaction, review, nonperturbative, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], symmetry: chiral, quantum chromodynamics: critical phenomena, strangeness, 0103 physical sciences, density: high, Darmstadt GSI FAIR, structure, 010306 general physics, equation of state, quantum chromodynamics: matter, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, nucleus, temperature: high, baryon, Neutron star, Automatic Keywords, HADES, charm
Abstract: International audience; Substantial experimental and theoretical efforts worldwide are devoted to explore the phase diagram of strongly interacting matter. At LHC and top RHIC energies, QCD matter is studied at very high temperatures and nearly vanishing net-baryon densities. There is evidence that a Quark-Gluon-Plasma (QGP) was created at experiments at RHIC and LHC. The transition from the QGP back to the hadron gas is found to be a smooth cross over. For larger net-baryon densities and lower temperatures, it is expected that the QCD phase diagram exhibits a rich structure, such as a first-order phase transition between hadronic and partonic matter which terminates in a critical point, or exotic phases like quarkyonic matter. The discovery of these landmarks would be a breakthrough in our understanding of the strong interaction and is therefore in the focus of various high-energy heavy-ion research programs. The Compressed Baryonic Matter (CBM) experiment at FAIR will play a unique role in the exploration of the QCD phase diagram in the region of high net-baryon densities, because it is designed to run at unprecedented interaction rates. High-rate operation is the key prerequisite for high-precision measurements of multi-differential observables and of rare diagnostic probes which are sensitive to the dense phase of the nuclear fireball. The goal of the CBM experiment at SIS100 ( $\sqrt{s_{NN}}=$ 2.7--4.9 GeV) is to discover fundamental properties of QCD matter: the phase structure at large baryon-chemical potentials ( $\mu_B > 500$ MeV), effects of chiral symmetry, and the equation of state at high density as it is expected to occur in the core of neutron stars. In this article, we review the motivation for and the physics programme of CBM, including activities before the start of data taking in 2024, in the context of the worldwide efforts to explore high-density QCD matter.
Published: 2017

61. Υ production in U + U collisions at sNN=193 GeV measured with the STAR experiment

Author: Arka Chatterjee, Q. H. Xu, J. Xu, M. K. Mustafa, J. C. Dunlop, L. Wen, Y. Li, S. Singha, L. C. Bland, Nasim, M. Tokarev, Yang Yang, J. K. Adkins, Zubayer Ahammed, Wei Xie, R. Fatemi, L. He, T. D. S. Stanislaus, K. Krueger, A. Aparin, H. H. Wieman, W. Christie, B. Huang, Siwei Luo, Y. Pandit, F. Videbæk, Andrey Vasiliev, N. Schmitz, Q. Y. Shou, A. M. Poskanzer, Z. Ye, E. Shahaliev, X. Huang, A. Kechechyan, D. N. Svirida, Pradip Kumar Sahu, Y. Fisyak, G. Odyniec, G. Webb, Anik Gupta, M. Cherney, Lokesh Kumar, Hua Pei, Lin Ma, G. Eppley, M. Calderon De La Barca Sanchez, W. Guryn, A. I. Hamad, Sedigheh Jowzaee, S. K. Tripathy, K. Oh, Y. Zoulkarneeva, Michal Sumbera, Janet Elizabeth Seger, R. Pak, Sukalyan Chattopadhyay, R. S. Longacre, Y. Panebratsev, Xiang Li, D. Grosnick, W. J. Llope, Frank Jm Geurts, Z. H. Khan, R. Vertesi, S. W. Wissink, T. J. Humanic, Mukesh Sharma, J. Pluta, W. Li, Y. Zhang, G. Wang, K. Poniatowska, R. Aoyama, Alexander Jentsch, F. Liu, J. Jia, Mariusz Przybycien, J. Fedorisin, Abdel Nasser Tawfik, R. Witt, Z. Feng, M. Lomnitz, J. D. Roth, G. Igo, J. Novak, B. J. Summa, S. K. Gupta, Giacomo Contin, J. W. Harris, Rene Bellwied, Samuel Heppelmann, A. Attri, S. Mioduszewski, Yinina Ma, O. D. Tsai, Jaroslav Bielcik, J. Engelage, B. Sharma, W. Solyst, J. Bouchet, Zongye Zhang, R. E. Tribble, Z. J. Sun, I. Sakrejda, Junjie Zhang, Bedangadas Mohanty, K. D. Landry, J. B. Zhang, D. D. Koetke, J. E. Draper, Nihar Sahoo, Donald M. McDonald, X. C. Chen, G. Nigmatkulov, K. Meehan, P. Huck, M. J. Skoby, Jana Bielcikova, M. Shao, Y. X. Pan, G. Van Buren, R. D. Majka, R. Varma, Prithwish Tribedy, B. K. Srivastava, D. L. Olvitt, I. G. Bordyuzhin, S. Ramachandran, B. S. Page, O. Eyser, L. Song, W. Q. Shen, J. Butterworth, Gerald W Hoffmann, M. A.C. Lamont, Y. F. Xu, M. M. Mondal, Roli Esha, J. Schambach, A. H. Tang, E. P. Sichtermann, Anthony Robert Timmins, Adam Ryszard Kisiel, J. M. Landgraf, L. Fulek, T. Sugiura, J. L. Romero, B. Pawlik, D. P. Kikola, Muhammad Usman Ashraf, S. H. Zhang, A. Sharma, B. Stringfellow, Rihan Haque, L. Yi, D. Garand, S. S. Shi, I. Bunzarov, H. Z. Huang, S. Vokal, O. V. Rogachevskiy, A. Quintero, Jie Zhao, T. Lin, S. Horvat, J. Rusnak, E. Finch, H. J. Crawford, P. Bhattarai, Anju Bhasin, Xuedong Bai, M. Strikhanov, Sergey Voloshin, Isaac Upsal, Sevil Salur, Y. Wang, A. Gibson, A. F. Kraishan, P. Seyboth, S. McKinzie, M. Simko, P. Sorensen, T. Niida, J. L. Drachenberg, Xiangming Sun, H. G. Ritter, L. Ruan, I. K. Yoo, Shangfeng Yang, J. H. Chen, Olga Evdokimov, A. Lebedev, A. K. Bhati, D. Keane, Rafal Sikora, K. Kauder, Guannan Xie, Xuan Zhang, J. Sandweiss, Basanta Kumar Nandi, D. A. Morozov, W. Zha, Z. Shi, Zebo Tang, A. Sarkar, J. M. Campbell, K. Jiang, Nikolai Smirnov, R. Stock, L. G. Efimov, Xiaofeng Luo, Hanna Paulina Zbroszczyk, Guo-Liang Ma, C-Q. Li, T. Todoroki, Leszek Adamczyk, Jay Roberts, P. Federic, Nilay Shah, Z. W. Miller, Leo Clifford Greiner, V. A. Okorokov, Bernd Surrow, C. E. Flores, E. G. Judd, C. Yang, Yanjun Wu, M. J. Rehbein, Jorn Henning Putschke, T. K. Nayak, R. P. Scharenberg, Christina Markert, L. Didenko, I. Chakaberia, Y. J. Sun, C. Dilks, Hao Qiu, A. S. Hirsch, D. Smirnov, O. Rusnakova, D. G. Underwood, H. W. Ke, H. S. Matis, A. V. Brandin, Q. Yang, C. Perkins, R. Reed, K. Xin, P. Kravtsov, A. M. Schmah, D. Tlusty, T. G. Dedovich, S. Esumi, Maksym Zyzak, L. K. Kosarzewski, Zhigang Xiao, W. B. Schmidke, T. Huang, J. Cheng, S. B. Nurushev, C. A. Gagliardi, N. K. Pruthi, L. C. De Silva, S. Fazio, Vipul Bairathi, P. Chaloupka, W. W. Jacobs, Yunpeng Liu, Derek Anderson, J. Lauret, Z. J. Xu, N. G. Minaev, T. Ullrich, M. R. Girard, J. C. Webb, S. Trentalange, N. Xu, P. Filip, R. Lednicky, Madan M. Aggarwal, Fuqiang Wang, D. K. Mishra, P. Pile, G. D. Westfall, L. Kochenda, J. Thäder, T. Tarnowsky, D. Arkhipkin, A. Hamed, K. Yip, J. S. Wang, A. Manion, James Brandenburg, D. Kalinkin, P. V. Shanmuganathan, R. R. Debbe, N. Yu, L. E. Dunkelberger, Kejun Kang, L. V. Nogach, Sumit R. Das, A. Vossen, A. A. Derevschikov, G. Van Nieuwenhuizen, C. M. Du, Xiaofeng Zhu, H. S. Xu, T. Nonaka, A. Ogawa, C. Zhong, E. C. Aschenauer, S. Margetis, X. Dong, Y. Guo, Jongmin Lee, R. L. Ray, R. Ma, T. Ljubicic, Niseem Magdy, H. Caines, J. H. Thomas, L. P. Zhou, M. Stepanov, G. S. Averichev, J. Porter, Ivan Kisel, Z. Chang, I. G. Alekseev, M. A. Lisa, J. C. Mei, Jian Deng, G. Agakishiev, D. S. Gunarathne, M. Posik, D. Cebra, H. M. Spinka, and S. Kabana
Subjects: Physics, Time projection chamber, Meson, 010308 nuclear & particles physics, Drell–Yan process, 01 natural sciences, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, Mass spectrum, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Nucleon, Glauber, Crystal Ball
Abstract: We present a measurement of the inclusive production of. mesons in U + U collisions at root s(NN) = 193 GeV at midrapidity (vertical bar y vertical bar < 1). Previous studies in central Au+Au collisions at root s(NN) = 200 GeV show a suppression of Upsilon (1S+2S+3S) production relative to expectations from the Upsilon yield in p+p collisions scaled by the number of binary nucleon-nucleon collisions (N-coll), with an indication that the.(1S) state is also suppressed. The present measurement extends the number of participant nucleons in the collision (N-part) by 20% compared to Au+Au collisions, and allows us to study a system with higher energy density. We observe a suppression in both the Upsilon (1S+2S+3S) and Upsilon (1S) yields in central U+U data, which consolidates and extends the previously observed suppression trend in Au+Au collisions.
Published: 2016

62. Measurement of elliptic flow of light nuclei atsNN=200, 62.4, 39, 27, 19.6, 11.5, and 7.7 GeV at the BNL Relativistic Heavy Ion Collider

Author: A. V. Brandin, K. Xin, J. L. Romero, Amal Sarkar, Bernd Surrow, Vipul Bairathi, Xuedong Bai, D. Kalinkin, M. R. Girard, S. Heppelmann, B. J. Summa, J. C. Dunlop, L. Wen, W. B. Schmidke, P. Bhattarai, Nasim, B. Pawlik, K. Poniatowska, Zubayer Ahammed, C. A. Gagliardi, S. Ramachandran, N. Xu, P. Filip, O. Eyser, S. K. Gupta, Giacomo Contin, Qi Yang, Q. H. Xu, J. Xu, P. Sorensen, Y. J. Sun, James Brandenburg, D. Tlusty, J. Y. Zhang, N. Yu, L. V. Nogach, C. Dilks, Sumit R. Das, M. Calderon De La Barca Sanchez, A. I. Hamad, Roli Esha, M. Shao, Y. X. Pan, G. Van Buren, X. C. Chen, Q. Y. Shou, P. Pile, G. D. Westfall, P. V. Shanmuganathan, S. Kabana, Madan M. Aggarwal, Fuqiang Wang, D. K. Mishra, Jie Zhao, S. Horvat, S. S. Shi, A. Gupta, T. Tarnowsky, Z. H. Khan, R. Pak, Wei Xie, P. Huck, L. E. Dunkelberger, I. Sakrejda, J. H. Thomas, Bedangadas Mohanty, J. M. Campbell, T. G. Dedovich, Guannan Xie, Xuan Zhang, A. Aparin, Anthony Robert Timmins, A. Gibson, G. Eppley, Rihan Haque, J. Engelage, G. Nigmatkulov, Adam Ryszard Kisiel, L. P. Zhou, A. Vossen, Manish Sharma, Y. Pandit, H. J. Crawford, W. Zha, H. Z. Huang, A. A. Derevschikov, S. Vokal, J. M. Landgraf, Abdel Nasser Tawfik, N. Schmitz, E. Shahaliev, M. Strikhanov, R. Witt, Y. Zoulkarneeva, C. Zhong, J. Pluta, M. Zyzak, R. S. Longacre, W. Li, S. McKinzie, R. Varma, J. K. Adkins, S. Mioduszewski, G. Odyniec, J. Sandweiss, R. Fatemi, D. G. Underwood, Zebo Tang, J. Rusnak, A. F. Kraishan, L. He, Arka Chatterjee, Hanna Paulina Zbroszczyk, Jaroslav Bielcik, B. S. Page, Haiyan Wang, Rene Bellwied, Donald M. McDonald, Shangfeng Yang, D. P. Kikola, L. Ruan, J. Thäder, Prithwish Tribedy, B. K. Srivastava, Leo Clifford Greiner, Jie Zhang, I. Upsal, Y. F. Wu, B. Stringfellow, X. M. Sun, J. H. Chen, G. S. Averichev, Basanta Kumar Nandi, R. E. Tribble, S. Zhang, Olga Evdokimov, C. Perkins, G. Igo, J. Porter, J. W. Harris, J. Novak, B. Sharma, J. Bouchet, C. Yang, T. Todoroki, J. Cheng, Jiangyong Jia, O. V. Rogachevskiy, Nilay Shah, H. J. Jang, Gerald W Hoffmann, J. C. Webb, M. Cherney, Michal Sumbera, V. A. Okorokov, D. A. Morozov, L. C. De Silva, Hua Pei, Jay Roberts, Ivan Kisel, M. K. Mustafa, S. K. Tripathy, A. M. Poskanzer, D. D. Koetke, K. D. Landry, K. Kauder, J. Butterworth, M. A. C. Lamont, S. B. Nurushev, Hao Qiu, W. Solyst, Zhigang Xiao, M. J. Skoby, Frank Jm Geurts, K. Krueger, S. W. Wissink, P. Yepes, Y. Zhang, T. Huang, X. G. Luo, B. Di Ruzza, Jana Bielcikova, A. H. Tang, Y. Li, T. J. Humanic, D. Arkhipkin, A. Hamed, B. Huang, J. E. Draper, K. Meehan, N. G. Minaev, Robert Vertesi, Jian Deng, K. Yip, G. Agakishiev, D. S. Gunarathne, I. Bunzarov, D. Cebra, Z. Chang, J. S. Wang, W. Guryn, R. R. Debbe, I. K. Yoo, L. Didenko, I. Chakaberia, N. K. Pruthi, P. Chaloupka, Ting Lin, I. G. Alekseev, M. M. Mondal, C. E. Flores, E. G. Judd, M. A. Lisa, J. C. Mei, S. Trentalange, M. Posik, W. J. Llope, Sergey Voloshin, H. M. Spinka, Lokesh Kumar, K. Jiang, Y. Wang, J. Fedorisin, Alexander Jentsch, P. Federic, Maxence Vandenbroucke, A. Attri, S. Y. Noh, Yu-Gang Ma, J. Putschke, Xiaofeng Zhu, A. Ogawa, C-Q. Li, R. P. Scharenberg, Christina Markert, O. Rusnakova, H. S. Matis, L. K. Kosarzewski, W. W. Jacobs, J. Lauret, R. Lednicky, L. Kochenda, S. Fazio, Zongye Zhang, I. G. Bordyuzhin, W. Christie, M. Tokarev, Yang Yang, Subhash Singha, Andrey Vasiliev, T. D. S. Stanislaus, H. H. Wieman, O. D. Tsai, Z. Ye, X. Huang, A. Kechechyan, Pradip Kumar Sahu, X.G. Li, L. Song, H. W. Ke, L. Fulek, W. Q. Shen, Janet Elizabeth Seger, M. Stepanov, H. G. Ritter, Rafal Sikora, D. Garand, L. C. Bland, Y. F. Xu, Sevil Salur, G. J. van Nieuwenhuizen, F. Liu, Miroslav Simko, D. N. Svirida, Y. Fisyak, Y. Panebratsev, D. L. Olvitt, D. Grosnick, Lin Ma, K. Oh, Z. Z. Xu, Nikita Smirnov, A. K. Bhati, D. Keane, R. Stock, L. G. Efimov, R. D. Majka, J. L. Drachenberg, T. K. Nayak, P. Seyboth, J. Schambach, Anju Bhasin, Leszek Adamczyk, K. Kang, T. Niida, A. Lebedev, Guo-Liang Ma, Z. Shi, N. R. Sahoo, Li Yi, A. S. Hirsch, P. Kravtsov, G. Wang, A. M. Schmah, Dmitry Smirnov, Z. J. Sun, F. Videbæk, G. Webb, Sukalyan Chattopadhyay, Z. Feng, M. Lomnitz, E. P. Sichtermann, Rashmi Raniwala, T. Ullrich, C. M. Du, A. Manion, H. S. Xu, Y. Guo, Jongmin Lee, R. L. Ray, R. Ma, T. Ljubicic, Niseem Magdy, H. Caines, Sudhir Raniwala, A. Quintero, E. C. Aschenauer, S. Margetis, and X. Dong
Subjects: Mass number, Physics, Nuclear physics, Light nucleus, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Chatterjee, Elliptic flow, 010306 general physics, Relativistic Heavy Ion Collider, 01 natural sciences
Abstract: Author(s): Adamczyk, L; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Aparin, A; Arkhipkin, D; Aschenauer, EC; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Bellwied, R; Bhasin, A; Bhati, AK; Bhattarai, P; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Bouchet, J; Brandenburg, JD; Brandin, AV; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; De Silva, LC; Debbe, RR; Dedovich, TG; Deng, J; Derevschikov, AA; Di Ruzza, B; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Draper, JE; Du, CM; Dunkelberger, LE; Dunlop, JC; Efimov, LG; Engelage, J; Eppley, G; Esha, R; Evdokimov, O; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Feng, Z; Filip, P; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Garand, D; Geurts, F; Gibson, A; Girard, M; Greiner, L; Grosnick, D; Gunarathne, DS; Guo, Y; Gupta, S; Gupta, A; Guryn, W; Hamad, AI | Abstract: We present measurements of second-order azimuthal anisotropy (v2) at midrapidity (|y|l1.0) for light nuclei d,t,He3 (for sNN=200, 62.4, 39, 27, 19.6, 11.5, and 7.7 GeV) and antinuclei d; (sNN=200, 62.4, 39, 27, and 19.6 GeV) and Hē3 (sNN=200 GeV) in the STAR (Solenoidal Tracker at RHIC) experiment. The v2 for these light nuclei produced in heavy-ion collisions is compared with those for p and p. We observe mass ordering in nuclei v2(pT) at low transverse momenta (pTl2.0 GeV/c). We also find a centrality dependence of v2 for d and d. The magnitude of v2 for t and He3 agree within statistical errors. Light-nuclei v2 are compared with predictions from a blast-wave model. Atomic mass number (A) scaling of light-nuclei v2(pT) seems to hold for pT/Al1.5GeV/c. Results on light-nuclei v2 from a transport-plus-coalescence model are consistent with the experimental measurements.
Published: 2016

63. Near-side azimuthal and pseudorapidity correlations using neutral strange baryons and mesons ind+Au, Cu + Cu, and Au + Au collisions atsNN=200GeV

Author: N. Xu, P. Filip, D. G. Underwood, Q. Yang, Jorn Henning Putschke, J. Cheng, L. C. De Silva, A. V. Brandin, P. Pile, G. D. Westfall, K. Xin, R. Witt, W. Guryn, D. L. Olvitt, Xiangming Sun, Vipul Bairathi, Roli Esha, Jie Zhao, T. Lin, S. Horvat, M. Simko, James Brandenburg, W. Zha, A. Sarkar, J. Fedorisin, R. Vertesi, Q. H. Xu, S. Mioduszewski, J. Xu, W. J. Llope, J. Porter, L. Yi, F. Liu, H. Z. Huang, S. Vokal, N. K. Pruthi, Lee Stuart Barnby, J. Engelage, G. Odyniec, D. Arkhipkin, Donald M. McDonald, Siwei Luo, A. Hamed, Y. Zoulkarneeva, J. K. Adkins, C. Zhong, E. C. Aschenauer, S. Margetis, G. Nigmatkulov, Alexander Jentsch, Prithwish Tribedy, B. K. Srivastava, P. V. Shanmuganathan, T. J. Humanic, R. Fatemi, L. He, Xiaofeng Luo, Guo-Liang Ma, G. Eppley, Ivan Kisel, K. Yip, B. Huang, K. Krueger, Jaroslav Bielcik, J. S. Wang, Shangfeng Yang, J. M. Landgraf, Zhigang Xiao, X. Dong, Mukesh Sharma, T. Huang, G. Wang, Zongye Zhang, R. R. Debbe, J. Jia, Arka Chatterjee, M. Calderon De La Barca Sanchez, A. I. Hamad, J. H. Chen, L. E. Dunkelberger, A. Attri, H. G. Ritter, M. Strikhanov, M. Vandenbroucke, R. D. Majka, Y. Guo, Michal Sumbera, Rafal Sikora, J. Pluta, A. S. Hirsch, W. Li, Rene Bellwied, D. A. Morozov, J. C. Dunlop, L. Wen, J. Sandweiss, L. Gaillard, R. E. Tribble, R. S. Longacre, Jongmin Lee, R. L. Ray, M.U. Ashraf, Xiang Li, N. G. Minaev, Guannan Xie, Xuan Zhang, I. G. Bordyuzhin, M. Cherney, H. Qiu, Nasim, A. A. Derevschikov, O. V. Rogachevskiy, H. J. Jang, M. K. Mustafa, Y. Li, S. Singha, R. Ma, P. Kravtsov, A. M. Schmah, T. Ljubicic, Sergey Voloshin, J. Schambach, F. Videbæk, Christine Nattrass, Anju Bhasin, L. C. Bland, M. Tokarev, Yang Yang, G. Igo, Lokesh Kumar, J. Novak, G. Webb, B. Pawlik, Gerald W Hoffmann, J. Rusnak, Z. J. Sun, Hua Pei, S. K. Tripathy, Hanna Paulina Zbroszczyk, Abdel Nasser Tawfik, A. F. Kraishan, R. Varma, I. Sakrejda, B. Sharma, Niseem Magdy, K. Jiang, H. Caines, Zubayer Ahammed, Jana Bielcikova, A. Quintero, Sukalyan Chattopadhyay, J. Bouchet, L. Ruan, T. Niida, B. J. Summa, K. Poniatowska, A. Lebedev, A. Gibson, Yanjun Wu, S. K. Gupta, Giacomo Contin, Q. Y. Shou, Yi-Fei Xu, Basanta Kumar Nandi, P. Seyboth, E. P. Sichtermann, K. D. Landry, J. Butterworth, D. N. Svirida, S. W. Wissink, Y. Zhang, R. Pak, J. L. Drachenberg, T. Todoroki, Olga Evdokimov, Nihar Sahoo, Z. Shi, B. S. Page, D. P. Kikola, Z. H. Khan, W. Solyst, P. Sorensen, X. C. Chen, P. Huck, Z. Chang, T. D. S. Stanislaus, V. A. Okorokov, Madan M. Aggarwal, Peter Graham Jones, Fuqiang Wang, Anthony Robert Timmins, Z. Feng, Jay Roberts, B. Stringfellow, J. B. Zhang, D. K. Mishra, D. D. Koetke, J. E. Draper, Leszek Adamczyk, T. Ullrich, H. H. Wieman, X. Bai, Adam Ryszard Kisiel, Nilay Shah, M. Lomnitz, C-Q. Li, H. W. Ke, P. Federic, Bedangadas Mohanty, H. J. Crawford, Z. W. Miller, S. Ramachandran, O. Eyser, B. Di Ruzza, C. M. Du, H. S. Xu, J. M. Campbell, Jian Deng, R. P. Scharenberg, Christina Markert, L. Didenko, I. Chakaberia, A. Manion, D. Kalinkin, M. J. Skoby, M. M. Mondal, D. Smirnov, D. Tlusty, L. Fulek, G. Agakishiev, D. S. Gunarathne, A. M. Poskanzer, Z. Ye, O. Rusnakova, H. S. Matis, M. A.C. Lamont, S. Y. Noh, W. Christie, A. Vossen, M. Posik, T. G. Dedovich, X. Huang, A. Kechechyan, D. Cebra, M. R. Girard, I. K. Yoo, L. K. Kosarzewski, R. Haque, Maksym Zyzak, W. W. Jacobs, C. E. Flores, E. G. Judd, S. Kabana, Pradip Kumar Sahu, H. M. Spinka, Andrey Vasiliev, J. Lauret, Yu-Gang Ma, P. Chaloupka, Z. J. Xu, P. Bhattarai, Isaac Upsal, Y. Fisyak, J. C. Webb, J. Y. Zhang, Lin Ma, N. Yu, Kejun Kang, K. Oh, S. Trentalange, L. V. Nogach, I. G. Alekseev, Sumit R. Das, R. Lednicky, G. Van Nieuwenhuizen, M. A. Lisa, J. C. Mei, L. Kochenda, Janet Elizabeth Seger, T. Tarnowsky, J. H. Thomas, Bernd Surrow, Y. J. Sun, L. P. Zhou, C. Dilks, S. Fazio, B. I. Abelev, M. Stepanov, G. S. Averichev, W. B. Schmidke, C. A. Gagliardi, Haiyan Wang, J. Thäder, C. Yang, Xiaofeng Zhu, K. Kauder, S. B. Nurushev, A. Ogawa, M. Shao, Y. X. Pan, G. Van Buren, S. S. Shi, Marek Bombara, J. L. Romero, J. W. Harris, A. H. Tang, I. Bunzarov, Wei Xie, A. Aparin, Y. Pandit, N. Schmitz, E. Shahaliev, Anik Gupta, Frank Jm Geurts, K. Meehan, S. H. Zhang, A. Sharma, S. McKinzie, Zebo Tang, Leo Clifford Greiner, C. Perkins, O. D. Tsai, L. Song, W. Q. Shen, D. Garand, Sevil Salur, Y. Wang, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, L. G. Efimov, T. K. Nayak, Y. Panebratsev, D. Grosnick, and Samuel Heppelmann
Subjects: Physics, Strange quark, Particle physics, Meson, 010308 nuclear & particles physics, Branching fraction, Hadron, Hyperon, Elementary particle, 01 natural sciences, Charged particle, Nuclear physics, Pseudorapidity, 0103 physical sciences, 010306 general physics
Abstract: Author(s): Abelev, B; Adamczyk, L; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Aparin, A; Arkhipkin, D; Aschenauer, EC; Ashraf, MU; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Barnby, LS; Bellwied, R; Bhasin, A; Bhati, AK; Bhattarai, P; Bielcik, J; Bielcikova, J; Bland, LC; Bombara, M; Bordyuzhin, IG; Bouchet, J; Brandenburg, JD; Brandin, AV; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; De Silva, LC; Debbe, RR; Dedovich, TG; Deng, J; Derevschikov, AA; Di Ruzza, B; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Draper, JE; Du, CM; Dunkelberger, LE; Dunlop, JC; Efimov, LG; Engelage, J; Eppley, G; Esha, R; Evdokimov, O; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Feng, Z; Filip, P; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Gaillard, L; Garand, D; Geurts, F; Gibson, A; Girard, M; Greiner, L; Grosnick, D; Gunarathne, DS | Abstract: We present measurements of the near side of triggered di-hadron correlations using neutral strange baryons (Λ,Λ) and mesons (KS0) at intermediate transverse momentum (3 l pT l6 GeV/c) to look for possible flavor and baryon-meson dependence. This study is performed in d+Au, Cu+Cu, and Au+Au collisions at sNN=200 GeV measured by the STAR experiment at RHIC. The near-side di-hadron correlation contains two structures, a peak which is narrow in azimuth and pseudorapidity consistent with correlations from jet fragmentation, and a correlation in azimuth which is broad in pseudorapidity. The particle composition of the jet-like correlation is determined using identified associated particles. The dependence of the conditional yield of the jet-like correlation on the trigger particle momentum, associated particle momentum, and centrality for correlations with unidentified trigger particles are presented. The neutral strange particle composition in jet-like correlations with unidentified charged particle triggers is not well described by PYTHIA. However, the yield of unidentified particles in jet-like correlations with neutral strange particle triggers is described reasonably well by the same model.
Published: 2016

64. Search for narrow resonances inπpelastic scattering from the EPECUR experiment

Author: D. V. Kalinkin, L. I. Koroleva, N. G. Kozlenko, V. M. Nesterov, I. I. Strakovsky, A. B. Gridnev, W. J. Briscoe, A. G. Krivshich, V. S. Kozlov, D. N. Svirida, M. E. Sadler, V. Yu. Trautman, V. A. Andreev, A. D. Sulimov, V. V. Sumachev, V. Kuznetsov, V. V. Ryltsov, I. Bordyuzhin, V. Tarakanov, Ye. A. Filimonov, Ron L. Workman, D. V. Novinsky, B. V. Morozov, I. G. Alekseev, and V. V. Golubev
Subjects: Physics, Elastic scattering, 010308 nuclear & particles physics, Quantum mechanics, 0103 physical sciences, Resonance, Feynman graph, Atomic physics, 010306 general physics, Nuclear Experiment, 01 natural sciences, K matrix, Pentaquark
Abstract: The analysis of high-precision ${\ensuremath{\pi}}^{\ifmmode\pm\else\textpm\fi{}}p\ensuremath{\rightarrow}{\ensuremath{\pi}}^{\ifmmode\pm\else\textpm\fi{}}p$ cross-sectional data from the EPECUR Collaboration based on the multichannel $K$-matrix approach is presented. The sharp structures seen in these data are studied in terms of both opening thresholds and new resonance contributions. Some prominent features are found to be due to the opening $K\mathrm{\ensuremath{\Sigma}}$ channel. However, a complete description of the data is improved with the addition of two narrow resonant structures at $W\ensuremath{\sim}1.686$ and $W\ensuremath{\sim}1.720\phantom{\rule{4.pt}{0ex}}\mathrm{GeV}$. These structures are interpreted as manifestations of ${S}_{11}$ and ${P}_{11}$ resonances. The underlying nature of the observed phenomena is discussed.
Published: 2016

65. J/ψproduction at low transverse momentum inp+pandd+ Au collisions atsNN=200GeV

Author: N. Xu, P. Filip, Zongye Zhang, H. Qiu, M. Tokarev, Yang Yang, I. G. Bordyuzhin, P. Pile, G. D. Westfall, Jaroslav Bielcik, T. D. S. Stanislaus, O. V. Rogachevskiy, H. J. Jang, T. J. Humanic, H. H. Wieman, I. G. Alekseev, S. Trentalange, D. Arkhipkin, A. Hamed, M. A. Lisa, J. C. Mei, Xiaofeng Luo, Guo-Liang Ma, Abdel Nasser Tawfik, C-Q. Li, Maksym Zyzak, S. Fazio, L. C. Bland, J. H. Thomas, R. Varma, B. S. Page, R. Witt, Junjie Zhang, Madan M. Aggarwal, Bedangadas Mohanty, Fuqiang Wang, D. K. Mishra, D. G. Underwood, G. Eppley, R. P. Scharenberg, Christina Markert, K. Poniatowska, S. K. Gupta, D. P. Kikola, B. Stringfellow, Vitaly Okorokov, A. S. Hirsch, P. Kravtsov, A. M. Schmah, D. Smirnov, O. Rusnakova, Bernd Surrow, W. B. Schmidke, S. Mioduszewski, Donald M. McDonald, C. A. Gagliardi, L. P. Zhou, H. Z. Huang, H. S. Matis, J. C. Webb, G. Igo, J. Pluta, Giacomo Contin, Prithwish Tribedy, B. K. Srivastava, Q. Yang, A. Manion, D. Kalinkin, A. Vossen, R. Vertesi, L. K. Kosarzewski, Haiyan Wang, Q. H. Xu, W. Li, Nihar Sahoo, Anik Gupta, C. Zhong, E. C. Aschenauer, J. Engelage, S. Margetis, D. N. Svirida, J. Cheng, D. L. Olvitt, Y. X. Pan, M. Stepanov, Rene Bellwied, Xuedong Bai, P. Chaloupka, F. Liu, J. Xu, Z. J. Xu, G. Nigmatkulov, J. Thäder, W. W. Jacobs, K. D. Landry, X. C. Chen, P. Huck, L. C. De Silva, Frank Jm Geurts, K. Kauder, X. Dong, Mukesh Sharma, G. S. Averichev, J. L. Drachenberg, R. E. Tribble, Olga Evdokimov, J. M. Landgraf, Anthony Robert Timmins, J. Lauret, Gerald W Hoffmann, K. Meehan, J. Porter, M. Strikhanov, Adam Ryszard Kisiel, R. D. Majka, Ivan Kisel, H. J. Crawford, L. Yi, Zhigang Xiao, T. Huang, Michal Sumbera, M. Shao, G. Van Buren, Jay Roberts, E. P. Sichtermann, O. D. Tsai, Jie Zhao, T. Lin, S. Horvat, J. Schambach, Jian Deng, S. S. Shi, S. H. Zhang, Anju Bhasin, A. Sharma, J. Sandweiss, B. Pawlik, N. Yu, Kejun Kang, L. V. Nogach, M. Calderon De La Barca Sanchez, A. I. Hamad, A. V. Brandin, F. Videbæk, B. Huang, G. Agakishiev, D. S. Gunarathne, G. Webb, Sergey Voloshin, N. G. Minaev, R. Lednicky, A. Gibson, R. Esha, M. Simko, Xiangming Sun, Nasim, S. McKinzie, T. Niida, J. K. Adkins, Basanta Kumar Nandi, Xiang Li, Sumit R. Das, S. Heppelmann, G. Van Nieuwenhuizen, Sukalyan Chattopadhyay, L. Kochenda, H. W. Ke, T. Tarnowsky, R. S. Longacre, R. Fatemi, A. Lebedev, S. W. Wissink, Y. Zhang, K. Xin, B. J. Summa, D. Cebra, B. Di Ruzza, Z. Shi, Rashmi Raniwala, S. Kabana, Zebo Tang, A. Sarkar, Arka Chatterjee, L. He, H. G. Ritter, A. M. Poskanzer, Z. Ye, Vipul Bairathi, Leo Clifford Greiner, W. Zha, K. Krueger, K. Jiang, J. E. Draper, Z. J. Sun, Wei Xie, G. Odyniec, Y. Zoulkarneeva, A. Aparin, Z. Chang, Z. Feng, M. A.C. Lamont, S. Y. Noh, X. Huang, Rafal Sikora, A. Kechechyan, T. Ullrich, M. Lomnitz, J. Rusnak, Jana Bielcikova, A. F. Kraishan, Yanjun Wu, Y. Pandit, N. K. Pruthi, C. Perkins, M. K. Mustafa, Z. H. Khan, M. Cherney, J. W. Harris, Pradip Kumar Sahu, J. B. Zhang, P. Seyboth, D. D. Koetke, W. Guryn, N. Schmitz, I. K. Yoo, L. Ruan, J. Novak, B. Sharma, C. Yang, J. Bouchet, J. L. Romero, W. Christie, E. Shahaliev, M. R. Girard, C. E. Flores, M. Posik, Lokesh Kumar, Hua Pei, S. K. Tripathy, Y. Li, S. Singha, C. M. Du, H. S. Xu, J. C. Dunlop, R. Haque, J. Butterworth, Y. Guo, Andrey Vasiliev, H. M. Spinka, S. Ramachandran, O. Eyser, P. Yepes, P. Sorensen, Jongmin Lee, A. H. Tang, J. Fedorisin, I. Sakrejda, T. Todoroki, Y. F. Xu, Leszek Adamczyk, W. Solyst, R. L. Ray, R. Ma, M. M. Mondal, I. Bunzarov, Zubayer Ahammed, P. Federic, E. G. Judd, Janet Elizabeth Seger, J. Putschke, Xiaofeng Zhu, S. B. Nurushev, P. Bhattarai, Isaac Upsal, T. Ljubicic, C. B. Powell, J. M. Campbell, S. Vokal, A. Ogawa, Niseem Magdy, H. Caines, Sudhir Raniwala, Nilay Shah, G. Wang, Q. Y. Shou, M. J. Skoby, R. Pak, T. G. Dedovich, A. Quintero, D. Tlusty, K. Yip, J. S. Wang, R. R. Debbe, M. Vandenbroucke, L. Fulek, L. Didenko, I. Chakaberia, Shangfeng Yang, J. H. Chen, W. J. Llope, Alexander Jentsch, James Brandenburg, A. Attri, D. A. Morozov, Guannan Xie, Xuan Zhang, Hanna Paulina Zbroszczyk, Y. Wang, Y. Fisyak, Y. J. Sun, C. Dilks, Lin Ma, P. V. Shanmuganathan, K. Oh, R. Reed, A. A. Derevschikov, J. Jia, Yinina Ma, L. Wen, L. Song, W. Q. Shen, D. Garand, Sevil Salur, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, L. E. Dunkelberger, L. G. Efimov, T. K. Nayak, Y. Panebratsev, and D. Grosnick
Subjects: Nuclear physics, Physics, 010308 nuclear & particles physics, 0103 physical sciences, Transverse momentum, Chatterjee, Heavy ion, Modification factor, 010306 general physics, 01 natural sciences
Abstract: Author(s): Adamczyk, L; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Aparin, A; Arkhipkin, D; Aschenauer, EC; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Bellwied, R; Bhasin, A; Bhati, AK; Bhattarai, P; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Bouchet, J; Brandenburg, JD; Brandin, AV; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; De Silva, LC; Debbe, RR; Dedovich, TG; Deng, J; Derevschikov, AA; Di Ruzza, B; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Draper, JE; Du, CM; Dunkelberger, LE; Dunlop, JC; Efimov, LG; Engelage, J; Eppley, G; Esha, R; Evdokimov, O; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Feng, Z; Filip, P; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Garand, D; Geurts, F; Gibson, A; Girard, M; Greiner, L; Grosnick, D; Gunarathne, DS; Guo, Y; Gupta, S; Gupta, A; Guryn, W; Hamad, AI | Abstract: We report on the measurement of J/ψ production in the dielectron channel at midrapidity (|y|l1) in p+p and d+Au collisions at sNN=200GeV from the STAR experiment at the Relativistic Heavy Ion Collider. The transverse momentum pT spectra in p+p for pTl4GeV/c and d+Au collisions for pTl3GeV/c are presented. These measurements extend the STAR coverage for J/ψ production in p+p collisions to low pT. The (pT2) from the measured J/ψ invariant cross section in p+p and d+Au collisions are evaluated and compared to similar measurements at other collision energies. The nuclear modification factor for J/ψ is extracted as a function of pT and collision centrality in d+Au and compared to model calculations using the modified nuclear parton distribution function and a final-state J/ψ nuclear absorption cross section.
Published: 2016

66. Measurement of the Transverse Single-Spin Asymmetry inp↑+p→W±/Z0at RHIC

Author: R. P. Scharenberg, Christina Markert, E. P. Sichtermann, D. Smirnov, O. Rusnakova, L. K. Kosarzewski, Y. X. Pan, Nasim, W. W. Jacobs, K. D. Landry, Y. Fisyak, J. Lauret, Rashmi Raniwala, Lin Ma, K. Oh, Z. Chang, A. K. Bhati, Xiangming Sun, D. Keane, R. Lednicky, L. Kochenda, T. Tarnowsky, R. S. Longacre, Nikolai Smirnov, R. Stock, L. E. Dunkelberger, L. G. Efimov, Mukesh Sharma, T. Ullrich, Zebo Tang, M. Posik, T. K. Nayak, K. Poniatowska, Junjie Zhang, D. Cebra, H. M. Spinka, C. M. Du, Maksym Zyzak, H. S. Xu, J. Novak, P. Seyboth, A. Banerjee, Leo Clifford Greiner, S. K. Gupta, Giacomo Contin, Leszek Adamczyk, Z. J. Sun, N. K. Pruthi, P. Federic, Z. H. Khan, Bedangadas Mohanty, B. Sharma, D. Tlusty, J. Bouchet, M. K. Mustafa, J. C. Webb, Y. Li, S. Singha, G. Igo, C. Perkins, J. Butterworth, Nihar Sahoo, I. G. Alekseev, G. Eppley, X. C. Chen, P. Huck, J. Porter, W. J. Llope, M. A. Lisa, J. C. Mei, B. Pawlik, Ivan Kisel, Y. F. Xu, Xiaofeng Zhu, J. Pluta, C. Zhong, E. C. Aschenauer, S. Margetis, A. Roy, Anthony Robert Timmins, Adam Ryszard Kisiel, W. Li, Xiaofeng Luo, Y. Panebratsev, D. Grosnick, Alexander Jentsch, X. Dong, A. Ogawa, P. Bhattarai, A. Gibson, G. Wang, J. Engelage, Rene Bellwied, H. J. Crawford, S. Heppelmann, G. Nigmatkulov, A. Attri, R. Esha, Guo-Liang Ma, Basanta Kumar Nandi, Zongye Zhang, J. Rusnak, A. Sarkar, J. Jia, A. F. Kraishan, Q. H. Xu, L. Ruan, J. Xu, Anik Gupta, I. G. Bordyuzhin, M. J. Skoby, B. J. Summa, R. E. Tribble, Jana Bielcikova, Isaac Upsal, L. Fulek, J. K. Adkins, J. M. Landgraf, R. Fatemi, Gerald W Hoffmann, Robert Vertesi, L. He, K. Kauder, Xuan Zhang, Yinina Ma, K. Krueger, Y. Guo, L. C. Bland, Jongmin Lee, J. H. Thomas, G. Odyniec, R. L. Ray, R. Ma, Madan M. Aggarwal, A. S. Hirsch, P. Kravtsov, Y. Zoulkarneeva, A. M. Schmah, Fuqiang Wang, Frank Jm Geurts, K. Yip, J. S. Wang, F. Liu, M. Strikhanov, P. Sorensen, Jie Zhao, T. Lin, S. Horvat, T. Todoroki, Xuedong Bai, L. P. Zhou, Michal Sumbera, R. R. Debbe, Sergey Voloshin, D. K. Mishra, J. B. Zhang, T. Ljubicic, M. Shao, G. Van Buren, L. Wen, L. Song, W. Q. Shen, H. Z. Huang, L. Didenko, I. Chakaberia, Jinhui Chen, S. S. Shi, D. N. Svirida, M. Vandenbroucke, B. Huang, J. Sandweiss, S. H. Zhang, Hanna Paulina Zbroszczyk, R. D. Majka, A. I. Hamad, M. Stepanov, G. S. Averichev, Zhigang Xiao, T. Huang, M. Simko, D. Garand, L. Yi, M. Cherney, Lokesh Kumar, Hua Pei, N. G. Minaev, A. Manion, D. Kalinkin, Y. J. Sun, C. Dilks, D. D. Koetke, James Brandenburg, F. Videbæk, Niseem Magdy, H. Caines, Sudhir Raniwala, A. Quintero, J. M. Campbell, G. Webb, W. Zha, Sevil Salur, Y. Wang, S. Ramachandran, O. Eyser, M. M. Mondal, Xin-Yuan Huang, S. K. Tripathy, K. Jiang, Yanjun Wu, Sukalyan Chattopadhyay, N. Xu, P. Filip, W. Solyst, J. Schambach, S. W. Wissink, Y. Zhang, J. L. Romero, H. G. Ritter, A. Vossen, P. V. Shanmuganathan, W. Guryn, W. Christie, P. Pile, G. D. Westfall, S. Fazio, Rafal Sikora, Jun Deng, M. A.C. Lamont, J. Fedorisin, S. Vokal, S. Y. Noh, M. R. Girard, Andrey Vasiliev, Z. Feng, M. Lomnitz, J. W. Harris, J. E. Draper, M. Calderon De La Barca Sanchez, T. G. Dedovich, C. E. Flores, Haiyan Wang, G. Agakishiev, D. S. Gunarathne, P. Chaloupka, J. Thäder, D. L. Olvitt, D. G. Underwood, X. Xie, Z. J. Xu, P. Yepes, X.G. Li, A. H. Tang, Janet Elizabeth Seger, Q. Yang, Jaroslav Bielcik, T. J. Humanic, A. A. Derevschikov, I. Bunzarov, C. Yang, David Jonathan Hofman, S. Kabana, Anju Bhasin, J. Cheng, Abdel Nasser Tawfik, L. C. De Silva, Shangfeng Yang, T. Niida, R. Varma, S. B. Nurushev, B. S. Page, D. P. Kikola, I. K. Yoo, A. Lebedev, B. Stringfellow, Z. Shi, O. V. Rogachevskiy, S. Trentalange, D. Arkhipkin, H. J. Jang, A. Hamed, I. Sakrejda, R. Haque, D. A. Morozov, E. G. Judd, Vitaly Okorokov, Bernd Surrow, W. B. Schmidke, C. A. Gagliardi, N. Yu, Kejun Kang, L. V. Nogach, Nilay Shah, Sumit R. Das, K. Meehan, Jorn Henning Putschke, A. V. Brandin, G. Van Nieuwenhuizen, K. Xin, Vipul Bairathi, A. M. Poskanzer, Z. Ye, A. Kechechyan, Pradip Kumar Sahu, H. Qiu, M. Tokarev, Yang Yang, T. D. S. Stanislaus, H. H. Wieman, J. C. Dunlop, Zubayer Ahammed, Q. Y. Shou, R. Pak, R. Witt, S. Mioduszewski, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, J. L. Drachenberg, Olga Evdokimov, Jay Roberts, H. W. Ke, B. Di Ruzza, Wei Xie, A. Aparin, Y. Pandit, N. Schmitz, E. Shahaliev, O. D. Tsai, and C-Q. Li
Subjects: Quantum chromodynamics, Physics, Particle physics, 010308 nuclear & particles physics, media_common.quotation_subject, General Physics and Astronomy, Perturbative QCD, Parton, Deep inelastic scattering, 01 natural sciences, Asymmetry, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, media_common, Boson
Abstract: We present the measurement of the transverse single-spin asymmetry of weak boson production in transversely polarized proton-proton collisions at sqrt[s]=500 GeV by the STAR experiment at RHIC. The measured observable is sensitive to the Sivers function, one of the transverse-momentum-dependent parton distribution functions, which is predicted to have the opposite sign in proton-proton collisions from that observed in deep inelastic lepton-proton scattering. These data provide the first experimental investigation of the nonuniversality of the Sivers function, fundamental to our understanding of QCD.
Published: 2016

67. Centrality and Transverse Momentum Dependence of Elliptic Flow of Multistrange Hadrons andϕMeson inAu+AuCollisions atsNN=200 GeV

Author: Zongye Zhang, J. K. Adkins, Jorn Henning Putschke, I. G. Bordyuzhin, Mirko Planinic, R. Fatemi, L. He, K. Krueger, Xuan Zhang, D. G. Underwood, H. Qiu, M. Tokarev, Yang Yang, A. V. Brandin, K. Xin, Q. Yang, Zhiming Li, H. Z. Huang, S. Vokal, I. Kisel, R. S. Longacre, Xiangming Sun, Hanna Paulina Zbroszczyk, C-Q. Li, Vipul Bairathi, R. P. Scharenberg, Christina Markert, D. Smirnov, O. Rusnakova, Jaroslav Bielcik, H. S. Matis, L. K. Kosarzewski, J. Cheng, Xiaofeng Zhu, W. W. Jacobs, Xiaofeng Luo, A. Ogawa, J. Lauret, Radoslaw Antoni Kycia, T. D. S. Stanislaus, Y. Fisyak, R. Lednicky, L. Kochenda, T. Tarnowsky, L. C. De Silva, I. K. Yoo, M. Cherney, Lin Ma, Lokesh Kumar, Hua Pei, R. Witt, J. C. Webb, H. H. Wieman, K. Oh, E. C. Aschenauer, I. G. Alekseev, M. A. Lisa, Shangfeng Yang, J. H. Chen, Guo-Liang Ma, S. K. Tripathy, O. V. Rogachevskiy, H. J. Jang, R. Haque, S. Mioduszewski, Z. Chang, S. Margetis, G. Igo, J. Novak, J. W. Harris, X. Dong, D. A. Morozov, I. Sakrejda, Mukesh Sharma, K. Poniatowska, M. Zyzak, Donald M. McDonald, B. Sharma, J. Bouchet, Zebo Tang, G. Wang, W. Guryn, C. E. Flores, E. G. Judd, N. Yu, K. D. Landry, S. K. Gupta, Giacomo Contin, Kejun Kang, L. V. Nogach, Prithwish Tribedy, B. K. Srivastava, A. S. Hirsch, J. Engelage, J. Butterworth, Leo Clifford Greiner, A. M. Poskanzer, Z. Ye, G. Nigmatkulov, J. Fedorisin, Y. Guo, D. Kalinkin, Robert Vertesi, Anju Bhasin, M. Posik, B. J. Summa, Jongmin Lee, R. L. Ray, G. Eppley, Madan M. Aggarwal, Nihar Sahoo, X. C. Chen, Fuqiang Wang, P. Huck, M. R. Girard, M. A.C. Lamont, Z. J. Sun, P. Sorensen, Sumit R. Das, G. Van Nieuwenhuizen, X. Huang, A. Kechechyan, H. M. Spinka, R. Ma, P. Kravtsov, A. M. Schmah, J. M. Landgraf, Roli Esha, D. K. Mishra, X. Li, Jie Zhao, S. Horvat, T. Ljubicic, Anthony Robert Timmins, Adam Ryszard Kisiel, P. Yepes, J. Pluta, S. Y. Noh, J. C. Dunlop, L. Wen, Nilay Shah, A. H. Tang, Pradip Kumar Sahu, S. Fazio, A. Banerjee, J. Porter, M. Strikhanov, C. Perkins, A. Lebedev, A. Manion, H. Caines, Sudhir Raniwala, J. B. Zhang, D. D. Koetke, J. E. Draper, G. Agakishiev, D. S. Gunarathne, Michal Sumbera, S. Ramachandran, O. Eyser, A. Quintero, W. Li, H. J. Crawford, L. Didenko, I. Chakaberia, S. Heppelmann, Zubayer Ahammed, P. Seyboth, P. Bhattarai, Isaac Upsal, Sergey Voloshin, K. Yip, M. K. Mustafa, J. S. Wang, J. Sandweiss, A. Vossen, W. Zha, Nasim, M. M. Mondal, D. Cebra, Q. H. Xu, I. Bunzarov, Rene Bellwied, R. R. Debbe, Zhigang Xiao, Leszek Adamczyk, K. Jiang, Q. Y. Shou, M. Vandenbroucke, S. W. Wissink, R. Stock, Y. Li, S. Singha, Anik Gupta, E. P. Sichtermann, Y. Zhang, Yanjun Wu, D. Tlusty, R. E. Tribble, F. Videbæk, P. V. Shanmuganathan, M. A. Szelezniak, M. Calderon De La Barca Sanchez, Gerald W Hoffmann, A. I. Hamad, N. G. Minaev, G. Webb, A. Sarkar, Nikola Poljak, R. Pak, J. L. Drachenberg, S. Kabana, Sukalyan Chattopadhyay, P. Federic, Vitaly Okorokov, Frank Jm Geurts, G. Odyniec, Rashmi Raniwala, Y. Zoulkarneeva, C. Zhong, Bernd Surrow, W. J. Llope, L. E. Dunkelberger, Olga Evdokimov, Barbara Antonina Trzeciak, A. Roy, J. H. Thomas, N. Magdy, T. Ullrich, A. Peterson, Z. H. Khan, Haiyan Wang, Junjie Zhang, Y. J. Sun, C. Dilks, Bedangadas Mohanty, A. A. Derevschikov, J. Rusnak, Jay Roberts, L. P. Zhou, W. Christie, A. F. Kraishan, C. M. Du, K. Meehan, W. B. Schmidke, H. S. Xu, C. A. Gagliardi, B. Huang, L. Ruan, J. M. Campbell, Z. Feng, M. Lomnitz, Y. P. Viyogi, H. W. Ke, D. L. Olvitt, T. J. Humanic, T. G. Dedovich, B. Di Ruzza, Andrey Vasiliev, M. Stepanov, G. S. Averichev, N. Xu, P. Filip, Abdel Nasser Tawfik, M. Shao, Y. X. Pan, G. Van Buren, P. Pile, G. D. Westfall, K. Kauder, Jun Deng, R. Varma, S. S. Shi, B. S. Page, D. P. Kikola, B. Stringfellow, Y. G. Ma, Janet Elizabeth Seger, C. Yang, David Jonathan Hofman, H. Masui, T. Kollegger, S. B. Nurushev, F. Liu, Miroslav Simko, R. D. Majka, J. Schambach, Wei Xie, A. Aparin, Y. Pandit, N. Schmitz, D. Arkhipkin, A. Hamed, E. Shahaliev, Jana Bielcikova, J. L. Romero, B. Pawlik, A. Gibson, Y. F. Wu, Basanta Kumar Nandi, S. Zhang, P. Chaloupka, Z. J. Xu, S. Trentalange, O. D. Tsai, M. C. Cervantes, L. Yi, L. Song, W. Q. Shen, Xiang Sun, N. Svirida, I. Kulakov, D. Garand, H. G. Ritter, Rafal Sikora, Sevil Salur, Y. Wang, L. C. Bland, Y. F. Xu, A. K. Bhati, D. Keane, Nikolai Smirnov, L. G. Efimov, T. K. Nayak, Y. Panebratsev, M. J. Skoby, D. Grosnick, and L. Fulek
Subjects: Physics, Quark, Strange quark, Particle physics, Meson, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Nuclear Theory, Elliptic flow, General Physics and Astronomy, Constituent quark, 01 natural sciences, Nuclear physics, Strange matter, 0103 physical sciences, High Energy Physics::Experiment, Invariant mass, Vector meson, Nuclear Experiment, 010306 general physics
Abstract: We present high precision measurements of elliptic flow near midrapidity (|y
Published: 2016

68. Centrality dependence of identified particle elliptic flow in relativistic heavy ion collisions atsNN=7.7–62.4GeV

Author: A. Manion, A. Vossen, Bernd Surrow, W. B. Schmidke, C. A. Gagliardi, Jaroslav Bielcik, O. V. Rogachevskiy, H. J. Jang, R. S. Longacre, Junjie Zhang, Bedangadas Mohanty, Zebo Tang, Leo Clifford Greiner, P. V. Shanmuganathan, J. Novak, B. Sharma, J. Bouchet, J. Engelage, C. Perkins, G. Nigmatkulov, J. Butterworth, Sergey Voloshin, Mukesh Sharma, I. K. Yoo, J. M. Landgraf, A. A. Derevschikov, Zhiqing Zhang, Anik Gupta, R. Haque, M. Strikhanov, Zhiming Li, K. Jiang, Q. H. Xu, A. M. Poskanzer, Maksym Zyzak, Yanjun Wu, Z. J. Sun, Frank Jm Geurts, E. G. Judd, Z. Ye, N. Yu, Kejun Kang, L. V. Nogach, E. P. Sichtermann, P. Chaloupka, J. C. Webb, G. Igo, J. Sandweiss, Nasim, K. Poniatowska, X. Huang, A. Kechechyan, Z. J. Xu, Sumit R. Das, S. K. Gupta, P. Seyboth, Giacomo Contin, Michal Sumbera, A. Peterson, Pradip Kumar Sahu, G. Van Nieuwenhuizen, Leszek Adamczyk, Rashmi Raniwala, Nihar Sahoo, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, X. C. Chen, P. Federic, D. Brandenburg, O. Chisman, P. Huck, B. Pawlik, I. Kulakov, B. Huang, X. Li, Z. H. Khan, S. W. Wissink, Y. Zhang, A. Gibson, N. Xu, Jana Bielcikova, H. Qiu, T. Ullrich, R. Esha, P. Filip, M. K. Mustafa, Xiaofeng Luo, Anthony Robert Timmins, M. Tokarev, Adam Ryszard Kisiel, Robert Vertesi, Anju Bhasin, Basanta Kumar Nandi, J. C. Dunlop, Nikola Poljak, C-Q. Li, R. P. Scharenberg, Christina Markert, P. Pile, D. Smirnov, O. Rusnakova, G. D. Westfall, S. Zhang, P. Sorensen, C. M. Du, Y. Li, S. Singha, Guo-Liang Ma, H. J. Crawford, J. K. Adkins, T. Niida, H. S. Xu, H. S. Matis, J. E. Draper, L. K. Kosarzewski, Y. X. Pan, W. W. Jacobs, K. D. Landry, A. Lebedev, V. A. Okorokov, R. Fatemi, L. He, Zubayer Ahammed, Y. Fisyak, Y. Guo, J. M. Campbell, K. Krueger, T. D. S. Stanislaus, J. Lauret, Jongmin Lee, R. L. Ray, R. Ma, L. Didenko, I. Chakaberia, Lin Ma, K. Oh, H. H. Wieman, R. Lednicky, L. Kochenda, T. Tarnowsky, A. S. Hirsch, S. Trentalange, D. Arkhipkin, T. Ljubicic, T. G. Dedovich, A. Hamed, P. Kravtsov, A. M. Schmah, F. Liu, A. Roy, Niseem Magdy, H. Caines, Sudhir Raniwala, H. Z. Huang, M. Cherney, A. Quintero, J. Rusnak, Lokesh Kumar, A. F. Kraishan, Xiaofeng Zhu, G. Odyniec, R. D. Majka, Hua Pei, S. K. Tripathy, Y. Zoulkarneeva, C. Zhong, A. Ogawa, J. Schambach, F. Videbæk, A. I. Hamad, W. Christie, L. Ruan, G. Wang, G. Webb, Q. Y. Shou, Sukalyan Chattopadhyay, E. C. Aschenauer, Andrey Vasiliev, S. Margetis, K. Yip, J. S. Wang, X. Dong, M. A.C. Lamont, Z. Feng, M. Lomnitz, Janet Elizabeth Seger, R. R. Debbe, M. Vandenbroucke, S. Y. Noh, L. C. Bland, Jian Deng, D. L. Olvitt, G. Agakishiev, D. S. Gunarathne, R. Pak, Y. F. Xu, S. Kabana, Radoslaw Antoni Kycia, Xiangming Sun, J. W. Harris, S. Heppelmann, I. G. Alekseev, J. L. Drachenberg, M. A. Lisa, Olga Evdokimov, Barbara Antonina Trzeciak, A. K. Bhati, D. Keane, Zhigang Xiao, Nikolai Smirnov, R. Stock, X. Bai, K. Meehan, Jorn Henning Putschke, L. E. Dunkelberger, L. G. Efimov, P. Yepes, N. G. Minaev, A. V. Brandin, K. Xin, A. H. Tang, Z. Chang, N. K. Pruthi, Yu-Gang Ma, T. K. Nayak, G. Eppley, Vipul Bairathi, I. Bunzarov, J. Pluta, Xuan Zhang, W. Li, M. J. Skoby, Rene Bellwied, Jay Roberts, M. Posik, Y. Panebratsev, D. Grosnick, R. E. Tribble, L. Fulek, Gerald W Hoffmann, K. Kauder, H. M. Spinka, L. Yi, Hanna Paulina Zbroszczyk, N. Svirida, A. Banerjee, J. Porter, Y. Yang, H. W. Ke, H. G. Ritter, B. Di Ruzza, Ivan Kisel, W. Guryn, Rafal Sikora, Nilay Shah, J. Fedorisin, M. Calderon De La Barca Sanchez, A. Sarkar, Jie Zhao, S. Horvat, J. L. Romero, J. H. Thomas, M. Simko, W. J. Llope, M. C. Cervantes, L. Wen, W. Zha, L. Song, W. Q. Shen, L. P. Zhou, D. Cebra, Xiang Sun, R. Witt, D. G. Underwood, Q. Yang, D. Garand, S. Mioduszewski, M. Stepanov, G. S. Averichev, Sevil Salur, Y. Wang, J. Cheng, L. C. De Silva, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, T. J. Humanic, Abdel Nasser Tawfik, R. Varma, B. S. Page, D. P. Kikola, B. Stringfellow, M. R. Girard, C. E. Flores, P. Bhattarai, Isaac Upsal, M. A. Szelezniak, Y. J. Sun, C. Dilks, Y. P. Viyogi, Thorsten Sven Kollegger, D. Kalinkin, B. J. Summa, J. B. Zhang, D. D. Koetke, S. Ramachandran, O. Eyser, M. M. Mondal, S. Vokal, Wei Xie, A. Aparin, Shangfeng Yang, J. H. Chen, Y. Pandit, D. A. Morozov, N. Schmitz, E. Shahaliev, Y. F. Wu, O. D. Tsai, S. Fazio, Haiyan Wang, J. Thäder, M. Shao, G. Van Buren, S. S. Shi, C. Yang, David Jonathan Hofman, H. Masui, S. B. Nurushev, Madan M. Aggarwal, Fuqiang Wang, and D. K. Mishra
Subjects: Quark, Physics, Antiparticle, Particle physics, 010308 nuclear & particles physics, Elliptic flow, 01 natural sciences, Nuclear physics, Flow (mathematics), 0103 physical sciences, Physics::Accelerator Physics, Particle, Impact parameter, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Scaling
Abstract: Elliptic flow (v2) values for identified particles at midrapidity in Au + Au collisions measured by the STAR experiment in the Beam Energy Scan at the
Published: 2016

69. Observation of Transverse Spin-Dependent Azimuthal Correlations of Charged Pion Pairs inp↑+pats=200 GeV

Author: Nasim, Mukesh Sharma, G. Wang, Zebo Tang, J. W. Harris, E. P. Sichtermann, Leo Clifford Greiner, Rashmi Raniwala, Z. J. Sun, C. Perkins, G. Eppley, Jaroslav Bielcik, J. Pluta, P. V. Shanmuganathan, W. Li, Z. Chang, T. Ullrich, Rene Bellwied, Thorsten Sven Kollegger, D. Kalinkin, L. E. Dunkelberger, P. Yepes, A. H. Tang, R. E. Tribble, Gerald W Hoffmann, F. Videbæk, C. M. Du, H. S. Xu, Xiaofeng Zhu, W. Christie, Xiangming Sun, N. Magdy, N. K. Pruthi, M. Posik, S. Heppelmann, B. J. Summa, G. Webb, A. A. Derevschikov, O. V. Rogachevskiy, H. J. Jang, I. Bunzarov, Andrey Vasiliev, Z. H. Khan, Junjie Zhang, Bedangadas Mohanty, A. Roy, Sukalyan Chattopadhyay, Y. Wang, Y. Fisyak, Lin Ma, H. M. Spinka, A. Banerjee, Y. Guo, Anik Gupta, M. K. Mustafa, K. Oh, A. Ogawa, J. Rusnak, Jongmin Lee, R. L. Ray, J. B. Zhang, D. D. Koetke, Y. Li, Xuan Zhang, H. Qiu, M. Tokarev, Zhiming Li, Frank Jm Geurts, J. E. Draper, S. Ramachandran, Janet Elizabeth Seger, A. F. Kraishan, L. Ruan, Radoslaw Antoni Kycia, J. H. Thomas, T. Ljubicic, Z. Feng, M. Lomnitz, Anju Bhasin, Maksym Zyzak, H. Caines, Sudhir Raniwala, O. Eyser, M. M. Mondal, P. Seyboth, L. P. Zhou, I. G. Alekseev, Madan M. Aggarwal, Fuqiang Wang, Hanna Paulina Zbroszczyk, Zongye Zhang, A. Lebedev, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, K. Poniatowska, M. A. Lisa, K. Meehan, Jorn Henning Putschke, J. C. Webb, A. V. Brandin, J. Engelage, A. Quintero, J. Alford, Leszek Adamczyk, G. Nigmatkulov, Xiaofeng Luo, Guo-Liang Ma, X. Li, T. D. S. Stanislaus, A. Manion, P. Federic, S. K. Gupta, M. Stepanov, G. S. Averichev, Giacomo Contin, R. Witt, K. Kauder, H. Z. Huang, Michal Sumbera, W. Guryn, S. Vokal, I. Kulakov, J. Porter, K. Xin, A. Vossen, H. H. Wieman, J. M. Landgraf, Ivan Kisel, R. Vertesi, A. S. Hirsch, P. Kravtsov, A. M. Schmah, Nihar Sahoo, E. C. Aschenauer, S. Mioduszewski, M. Strikhanov, F. Liu, C-Q. Li, X. C. Chen, J. M. Campbell, J. L. Romero, Jian Deng, P. Huck, Shangfeng Yang, J. H. Chen, G. Agakishiev, D. S. Gunarathne, R. P. Scharenberg, Christina Markert, R. Ma, Vitaly Okorokov, S. W. Wissink, S. Margetis, Y. Zhang, D. Smirnov, O. Rusnakova, H. S. Matis, X. Dong, D. L. Olvitt, Bernd Surrow, J. Sandweiss, W. J. Llope, Donald M. McDonald, D. Cebra, L. K. Kosarzewski, J. Fedorisin, Prithwish Tribedy, B. K. Srivastava, Nikola Poljak, B. Pawlik, A. M. Poskanzer, Z. Ye, W. W. Jacobs, M. Shao, Y. X. Pan, G. Van Buren, Anthony Robert Timmins, Adam Ryszard Kisiel, K. Yip, J. S. Wang, R. D. Majka, J. Schambach, R. R. Debbe, M. Calderon De La Barca Sanchez, A. I. Hamad, T. G. Dedovich, D. A. Morozov, S. Kabana, J. Lauret, W. B. Schmidke, X. Huang, H. J. Crawford, M. Vandenbroucke, C. A. Gagliardi, J. K. Adkins, Roli Esha, R. Lednicky, L. Kochenda, T. Tarnowsky, Jana Bielcikova, Zhigang Xiao, P. Sorensen, A. Kechechyan, D. Arkhipkin, A. Hamed, R. Fatemi, Pradip Kumar Sahu, L. He, S. S. Shi, Jie Zhao, S. Horvat, K. Krueger, N. G. Minaev, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, I. Sakrejda, M. A.C. Lamont, S. Y. Noh, M. Simko, N. Yu, Kejun Kang, L. V. Nogach, I. K. Yoo, L. Yi, W. Zha, Sumit R. Das, G. Van Nieuwenhuizen, Kun Jiang, Jay Roberts, M. Cherney, Nilay Shah, A. Sarkar, Lokesh Kumar, L. Didenko, I. Chakaberia, Hua Pei, S. K. Tripathy, D. G. Underwood, R. Haque, Q. Yang, H. W. Ke, J. Cheng, N. Xu, B. Di Ruzza, Yang Yang, L. C. De Silva, J. C. Dunlop, L. Wen, Zubayer Ahammed, C. E. Flores, E. G. Judd, Q. Y. Shou, R. Pak, M. R. Girard, P. Filip, Sergey Voloshin, P. Pile, G. D. Westfall, Wei Xie, A. Aparin, Y. G. Ma, Y. Pandit, N. Schmitz, E. Shahaliev, C. Yang, David Jonathan Hofman, Y. F. Wu, H. Masui, T. J. Humanic, A. Gibson, S. B. Nurushev, S. Fazio, Basanta Kumar Nandi, Abdel Nasser Tawfik, S. Zhang, Haiyan Wang, R. Varma, B. S. Page, D. P. Kikola, T. P. Burton, B. Stringfellow, P. Bhattarai, Isaac Upsal, P. Chaloupka, M. A. Szelezniak, Z. J. Xu, S. Trentalange, N. Svirida, H. G. Ritter, Rafal Sikora, Y. J. Sun, C. Dilks, L. C. Bland, Y. F. Xu, Y. P. Viyogi, M. J. Skoby, Y. Panebratsev, D. Grosnick, L. Fulek, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, L. G. Efimov, T. K. Nayak, O. D. Tsai, M. C. Cervantes, L. Song, W. Q. Shen, Xiang Sun, D. Garand, Sevil Salur, Q. H. Xu, A. Peterson, B. Huang, R. S. Longacre, G. Igo, J. Novak, B. Sharma, J. Bouchet, K. D. Landry, J. Butterworth, G. Odyniec, Y. Zoulkarneeva, and C. Zhong
Subjects: Physics, Quark, Quantum chromodynamics, Particle physics, Meson, Nuclear Theory, Hadron, General Physics and Astronomy, Nuclear physics, Pion, Pair production, High Energy Physics::Experiment, Invariant mass, Nuclear Experiment, Nucleon
Abstract: We report the observation of transverse polarization-dependent azimuthal correlations in charged pion pair production with the STAR experiment in p↑+p collisions at RHIC. These correlations directly probe quark transversity distributions. We measure signals in excess of 5 standard deviations at high transverse momenta, at high pseudorapidities η>0.5, and for pair masses around the mass of the ρ meson. This is the first direct transversity measurement in p+p collisions.
Published: 2015

70. Azimuthal Anisotropy inU+UandAu+AuCollisions at RHIC

Author: N. Xu, P. Filip, O. D. Tsai, H. Qiu, M. Tokarev, Yang Yang, M. K. Mustafa, M. C. Cervantes, L. Song, P. Pile, G. D. Westfall, K. Poniatowska, D. Kalinkin, Anju Bhasin, Y. Li, Jun Deng, F. Videbæk, W. Q. Shen, Xiang Sun, T. D. S. Stanislaus, S. K. Gupta, Giacomo Contin, A. Roy, J. Rusnak, J. L. Zhang, M. Calderon De La Barca Sanchez, A. I. Hamad, A. F. Kraishan, Wei Xie, B. J. Summa, G. Webb, L. Ruan, J. C. Dunlop, L. Wen, H. H. Wieman, A. Aparin, R. P. Scharenberg, Christina Markert, R. Ma, I. Kulakov, D. Smirnov, O. Rusnakova, H. S. Matis, D. Garand, Xiang Li, A. Lebedev, Nihar Sahoo, G. Eppley, Zhigang Xiao, Zubayer Ahammed, Y. Pandit, X. C. Chen, Zebo Tang, Zhiming Li, Sevil Salur, Y. Wang, P. Huck, N. G. Minaev, J. B. Zhang, D. D. Koetke, J. E. Draper, P. Federic, L. K. Kosarzewski, W. W. Jacobs, Leo Clifford Greiner, Sergey Voloshin, J. Lauret, N. Schmitz, E. Shahaliev, S. Ramachandran, O. Eyser, R. Lednicky, J. Pluta, J. Alford, J. C. Webb, Y. Guo, Z. Feng, A. M. Poskanzer, Z. Ye, T. Tarnowsky, W. Guryn, Jongmin Lee, Q. Y. Shou, T. P. Burton, M. M. Mondal, M. Lomnitz, Anthony Robert Timmins, Adam Ryszard Kisiel, W. Li, Y. F. Wu, R. L. Ray, Thomas Humanic, A. Kechechyan, A. K. Bhati, C. Perkins, Zongye Zhang, Abdel Nasser Tawfik, D. Keane, I. G. Bordyuzhin, Mirko Planinic, W. J. Llope, Xiaofeng Luo, Z. Chang, P. Seyboth, Pradip Kumar Sahu, Nikolai Smirnov, J. Fedorisin, Cheng Li, B. Pawlik, R. Pak, Guo-Liang Ma, K. Yip, J. S. Wang, H. J. Crawford, L. G. Efimov, H. Z. Huang, R. Varma, S. Vokal, T. K. Nayak, J. Engelage, Roli Esha, T. Ljubicic, J. K. Adkins, B. S. Page, Rene Bellwied, Jie Zhao, S. Horvat, R. Witt, T. Kollegger, D. P. Kikola, A. S. Hirsch, Anik Gupta, Robert Vertesi, G. Nigmatkulov, R. Fatemi, Y. Panebratsev, L. He, Niseem Magdy, R. R. Debbe, H. Caines, Sudhir Raniwala, Leszek Adamczyk, B. Stringfellow, P. Sorensen, S. Mioduszewski, Jaroslav Bielcik, P. Kravtsov, A. M. Schmah, Jana Bielcikova, P. Bhattarai, Isaac Upsal, F. Liu, Miroslav Simko, Shangfeng Yang, J. H. Chen, K. Krueger, A. Quintero, J. L. Romero, W. Zha, G. Agakishiev, D. S. Gunarathne, Donald M. McDonald, D. Grosnick, M. Vandenbroucke, M. Posik, R. E. Tribble, Frank Jm Geurts, P. Chaloupka, D. A. Morozov, Prithwish Tribedy, Xiaofeng Zhu, M. A. Szelezniak, L. Didenko, I. Chakaberia, Z. J. Xu, D. Cebra, B. K. Srivastava, D. G. Underwood, I. Kisel, H. M. Spinka, A. Ogawa, Q. Yang, J. Y. Zhang, D. L. Olvitt, S. Trentalange, Gerald W Hoffmann, J. M. Landgraf, P. V. Shanmuganathan, Y. J. Sun, Subhasis Chattopadhyay, K. Meehan, C. Dilks, S. Kabana, K. Kauder, Lokesh Kumar, A. Banerjee, L. E. Dunkelberger, J. Cheng, R. D. Majka, G. Odyniec, M. Cherney, N. Yu, Y. Zoulkarneeva, L. C. De Silva, E. C. Aschenauer, C. Zhong, J. L. Drachenberg, O. V. Rogachevskiy, Olga Evdokimov, Barbara Antonina Trzeciak, Kejun Kang, L. V. Nogach, Y. P. Viyogi, Hua Pei, S. K. Tripathy, J. Porter, A. Gibson, J. Schambach, S. Margetis, H. J. Jang, Xiangming Sun, M. Strikhanov, A. A. Derevschikov, Basanta Kumar Nandi, Y. Fisyak, Sumit R. Das, S. Zhang, X. Dong, Lin Ma, K. Oh, I. Sakrejda, W. Christie, G. Van Nieuwenhuizen, M. Zyzak, V. A. Okorokov, Kun Jiang, J. Sandweiss, M. A.C. Lamont, S. Y. Noh, Nasim, M. R. Girard, Mukesh Sharma, R. Stock, G. Wang, E. P. Sichtermann, Jay Roberts, N. K. Pruthi, D. Tlusty, D. Arkhipkin, A. Hamed, Rashmi Raniwala, Xin-Yuan Huang, Z. J. Sun, L. Yi, A. Sarkar, Andrey Vasiliev, J. M. Campbell, Nilay Shah, H. W. Ke, Jorn Henning Putschke, T. Ullrich, S. Heppelmann, Radoslaw Antoni Kycia, A. V. Brandin, K. Xin, Z. H. Khan, I. G. Alekseev, J. H. Thomas, C. M. Du, B. Di Ruzza, H. S. Xu, M. A. Lisa, Janet Elizabeth Seger, T. G. Dedovich, L. P. Zhou, Yu-Gang Ma, Madan M. Aggarwal, Fuqiang Wang, Xuan Zhang, J. W. Harris, A. Manion, Hanna Paulina Zbroszczyk, A. Vossen, M. Stepanov, G. S. Averichev, F. Zhao, P. Yepes, A. H. Tang, I. Bunzarov, Bernd Surrow, W. B. Schmidke, C. A. Gagliardi, Michal Sumbera, S. W. Wissink, Y. Zhang, Nikola Poljak, Q. H. Xu, Bedangadas Mohanty, A. Peterson, I. K. Yoo, R. Haque, B. Huang, C. E. Flores, E. G. Judd, R. S. Longacre, G. Igo, J. Novak, B. Sharma, J. Bouchet, K. D. Landry, J. Butterworth, H. G. Ritter, Rafal Sikora, L. C. Bland, Y. F. Xu, D. N. Svirida, M. J. Skoby, L. Fulek, C. Yang, David Jonathan Hofman, H. Masui, S. B. Nurushev, S. Fazio, Haiyan Wang, M. Shao, Y. X. Pan, G. Van Buren, S. S. Shi, and L. Kotchenda
Subjects: Quark, Quantum chromodynamics, Physics, Particle physics, Nuclear Theory, Hadron, Elliptic flow, General Physics and Astronomy, Gluon, Nuclear physics, Quark–gluon plasma, Multiplicity (chemistry), Nuclear Experiment, Relativistic Heavy Ion Collider
Abstract: Collisions between prolate uranium nuclei are used to study how particle production and azimuthal anisotropies depend on initial geometry in heavy-ion collisions. We report the two- and four-particle cumulants, v(2){2} and v(2){4}, for charged hadrons from U + U collisions at root s(NN) = 193 GeV and Au + Au collisions at root s(NN) = 200 GeV. Nearly fully overlapping collisions are selected based on the energy deposited by spectators in zero degree calorimeters (ZDCs). Within this sample, the observed dependence of v(2){2} on multiplicity demonstrates that ZDC information combined with multiplicity can preferentially select different overlap configurations in U + U collisions. We also show that v(2) vs multiplicity can be better described by models, such as gluon saturation or quark participant models, that eliminate the dependence of the multiplicity on the number of binary nucleon-nucleon collisions.
Published: 2015

71. Measurements of the Reactor Antineutrino with Solid State Scintillation Detector

Author: I. G. Alekseev, A.G. Olshevsky, A.V. Salamatin, V. Belov, Yu. Shitov, V. M. Nesterov, V. Rusinov, M. Shirchenko, N. Pogorelov, E. Tarkovsky, D. Ponomarev, E. Samigullin, Ye. Shevchik, I. Zhitnikov, I. Tikhomirov, S. Kazartsev, A. Starostin, M. Fomina, I. V. Machikhiliyan, D. R. Zinatulina, J. Vlasek, N. Rumyantseva, N. Skrobova, V. G. Egorov, A. S. Kobyakin, D.V. Filosofov, D. Medvedev, V. B. Brudanin, D. N. Svirida, A. A. Kuznetsov, Z. Hons, I. Rozova, and M. Danilov
Subjects: Semileptonic decay, Physics, Nuclear physics, Sterile neutrino, Photomultiplier, Muon, Inverse beta decay, Scintillation counter, Scintillator, Neutrino oscillation
Abstract: Measurements of reactor antineutrino play an important role in the efforts at the frontier of the modern physics. The DANSS collaboration presents preliminary results of a one year run with a cubic meter solid state detector placed below 3.1 GW industrial light water reactor. The experiment is sensitive to sterile neutrino in the most interesting region of mixing parameter space. 2500 scintillation strips of the sensitive volume of the detector have multilayer passive shielding of copper, lead and borated polyethylene and active muon veto. Detector position below the reactor gives an advantage of overburden about 50 m of water equivalent providing factor of six in cosmic muon suppression and eliminating fast neutrons.The detector is placed on a vertically movable platform which allows to change the distance to the reactor core center in the range 10.7-12.7 m within a few minutes. The strips are read out individually by SiPMs and in groups of 50 by PMTs. 5000 inverse beta-decay events per day are collected in the fiducial volume, which is 78% of the whole detector, at the position closest to the reactor. Overburden, active veto and good segmentation of the detector result in an excellent signal to background ratio. The talk is dedicated to the data analysis and preliminary results. The experiment status is also presented.
Published: 2018

72. Measurement of cumulative-photon spectra at high transverse momenta in 12C9Be interactions at an energy of 3.2 GeV per nucleon

Author: V. S. Goryachev, G. B. Sharkov, V. L. Stolin, I. E. Korolko, A. I. Golutvin, A. V. Stavinsky, G. B. Dzubenko, S. M. Kiselev, A. G. Dolgolenko, G.A. Leksin, B.V. Zagreev, P. A. Polozov, D. N. Svirida, V. E. Vishnyakov, I. G. Alekseev, K. R. Mikhaylov, and M. S. Prokudin
Subjects: Physics, Massless particle, Nuclear physics, Baryon, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Photon, Hadron, Elementary particle, Nucleon, Atomic and Molecular Physics, and Optics, Boson
Abstract: For 12C9Be interactions at a kinetic beam energy of 3.2 GeV per nucleon, the spectra of photons at laboratory angles in the range 55°–73° were measured off the kinematical region available to the interaction of single nucleons within colliding nuclei. The use of a fast trigger for selecting events involving the production of high-transverse-momentum photons made it possible to measure spectra off the kinematical boundary of four-nucleon interaction. It is shown that the proposed procedure is adequate to the problem of searches for and investigation of flucton-flucton interaction. In the kinematical region where flucton-flucton interaction can manifest itself, the cross sections in question are on the same order of magnitude as respective model predictions. In order to draw definitive conclusions on the role of flucton-flucton interaction, it is highly desirable to extend the angular range of the measurements toward smaller angles.
Published: 2008

73. RHIC polarimetry

Author: D. Svirida, A. Bazilevsky, T. Wise, Y. I. Makdisi, W. Haeberli, S. K. Dhawan, I. G. Alekseev, A. Nass, K. O. Eyser, A. Bravar, R. L. Gill, E. J. Stephenson, I. Nakagawa, Gerry Bunce, K. Yip, H. Okada, H. Huang, J. Wood, and A. N. Zelenski
Subjects: Physics, Proton, Physics::Instrumentation and Detectors, Scattering, Polarimetry, General Physics and Astronomy, Polarimeter, Polarization (waves), Kinetic energy, Nuclear physics, Recoil, General Materials Science, Physical and Theoretical Chemistry, Nuclear Experiment, Beam (structure)
Abstract: Polarimeters were developed to measure the polarization of the proton beam at RHIC in relative scale through the asymmetry measurement of the elastic proton-carbon scattering. Recoil carbon ions with kinetic energy of 400 ≤ E ≤ 900 keV were detected by silicon strip detectors installed at 90° with respect to the beam. The absolute polarization is given by normalizing against another polarimeter implemented at RHIC, namely a polarized hydrogen gas jet polarimeter. In this report, the details of polarization measurements, data analysis, and systematic uncertainties are discussed based on the data taken during √s = 200 GeV operation of Run05 at RHIC.
Published: 2008

74. The FLINT setup for studying cumulative processes with photon production

Author: S. G. Belogurov, G. B. Dzyubenko, B.V. Zagreev, G. B. Sharkov, D. N. Svirida, K. R. Mikhailov, I. Larin, P. A. Polozov, I. G. Alekseev, V. L. Stolin, V. S. Goryachev, G.A. Leksin, S. Kiselev, I. E. Korolko, A.V. Stavinskii, A. Golutvin, A. G. Dolgolenko, M. S. Prokudin, and V. E. Vishnyakov
Subjects: Experimental physics, Physics, Nuclear physics, Transverse plane, Lead glass, Photon, visual_art, visual_art.visual_art_medium, Particle, Instrumentation, Central region, Cherenkov radiation, Charged particle
Abstract: A setup is developed at the Institute for Theoretical and Experimental Physics for studying cumulative processes in hA and AA interactions with photon and π0-meson production in the central region of rapidities at high transverse momenta. Lead glass calorimeters and a charged particle rejection system are the main components of the setup. A fast trigger for a high-energy cumulative particle, based on detection of Cherenkov radiation in the lead glasses, is realized in the setup.
Published: 2008

75. Double spin asymmetries ANN and ASS at s=200 GeV in polarized proton–proton elastic scattering at RHIC

Author: Adam Rusek, Steven Tepikian, R. E. Chrien, Alexander Khodinov, I-Hung Chiang, R. L. Gill, Kaushik De, Janusz Chwastowski, David Lynn, N. Guler, T. Ljubicic, W. Guryn, S. Bültmann, M. Sakitt, Alexey A. Bogdanov, J. M. Landgraf, B. Pawlik, V. P. Kanavets, Jing Li, B. V. Morozov, L. I. Koroleva, C. Pearson, L. Whitehead, A. Sandacz, A. Drees, K. Yip, I. G. Alekseev, M. Haguenauer, P. Pile, Nurcan Ozturk, Mikhail N. Strikhanov, S. B. Nurushev, Michael Rijssenbeek, M.F. Runtzo, D. N. Svirida, and S. Yeung
Subjects: Elastic scattering, Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Proton, media_common.quotation_subject, Momentum transfer, Helicity, Asymmetry, Nuclear physics, High Energy Physics::Experiment, Nuclear Experiment, Relativistic Heavy Ion Collider, media_common, Spin-½
Abstract: We present the first measurements of the double spin asymmetries A N N and A S S at s = 200 GeV , obtained by the PP2PP experiment using polarized proton beams at the Relativistic Heavy Ion Collider (RHIC). The data were collected in the four momentum transfer t range 0.01 ⩽ | t | ⩽ 0.03 ( GeV / c ) 2 . The measured asymmetries, which are consistent with zero, allow us to estimate upper limits on the double helicity-flip amplitudes ϕ 2 and ϕ 4 at small | t | as well as on the difference Δ σ T between the total cross sections for transversely polarized protons with antiparallel or parallel spin orientations.
Published: 2007

76. 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

77. Measurements of dielectron production in Au + Au collisions atsNN=200GeV from the STAR experiment

Author: Zhigang Xiao, S. Fazio, Jorn Henning Putschke, A. V. Brandin, Bernd Surrow, J. C. Dunlop, L. Wen, Nasim, K. Xin, Z. H. Khan, N. G. Minaev, J. W. Harris, J. Engelage, Xiangming Sun, P. Bhattarai, Isaac Upsal, Zubayer Ahammed, W. B. Schmidke, J. Porter, T. P. Burton, G. Nigmatkulov, C. A. Gagliardi, N. Yu, J. M. Landgraf, M. Strikhanov, J. Sandweiss, Q. H. Xu, Kejun Kang, L. V. Nogach, Haiyan Wang, Michal Sumbera, J. K. Adkins, Ivan Kisel, Jaroslav Bielcik, Zhiming Li, Sumit R. Das, M. A. Szelezniak, R. Fatemi, L. He, G. Van Nieuwenhuizen, Zongye Zhang, J. L. Romero, Anik Gupta, P. Yepes, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, K. Krueger, D. L. Olvitt, Maksym Zyzak, N. Xu, Frank Jm Geurts, P. Seyboth, O. V. Rogachevskiy, H. J. Jang, P. Chaloupka, P. Filip, P. Pile, G. D. Westfall, S. W. Wissink, A. H. Tang, Q. Y. Shou, Yi-Fei Xu, J. C. Webb, Y. J. Sun, C. Dilks, A. M. Poskanzer, Z. Ye, I. Bunzarov, N. K. Pruthi, M. J. Skoby, L. Fulek, Madan M. Aggarwal, Fuqiang Wang, X. Li, Z. J. Xu, Leszek Adamczyk, S. Trentalange, M. K. Mustafa, Nikola Poljak, K. Yip, A. Roy, J. S. Wang, K. Meehan, R. Pak, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, M. Cherney, X. Huang, A. Kechechyan, P. Federic, A. Manion, Pradip Kumar Sahu, Y. P. Viyogi, T. J. Humanic, L. C. Bland, R. R. Debbe, C-Q. Li, Y. F. Wu, S. H. Zhang, A. Vossen, Lokesh Kumar, G. Eppley, I. Kulakov, Y. Li, M. Calderon De La Barca Sanchez, A. I. Hamad, A. Peterson, M. Vandenbroucke, Hua Pei, S. K. Tripathy, R. P. Scharenberg, Christina Markert, Z. Chang, J. Rusnak, Abdel Nasser Tawfik, A. F. Kraishan, J. Pluta, D. Smirnov, B. Pawlik, H. Qiu, O. Rusnakova, L. Ruan, Jay Roberts, J. M. Campbell, I. K. Yoo, H. S. Matis, M. Tokarev, W. Li, A. Gibson, K. Poniatowska, Zebo Tang, Jana Bielcikova, B. Huang, S. K. Gupta, R. Varma, Giacomo Contin, R. Haque, Radoslaw Antoni Kycia, Leo Clifford Greiner, B. S. Page, Rene Bellwied, Basanta Kumar Nandi, T. D. S. Stanislaus, R. S. Longacre, M. Posik, H. W. Ke, T. G. Dedovich, I. G. Alekseev, L. K. Kosarzewski, D. P. Kikola, R. E. Tribble, C. E. Flores, Nihar Sahoo, Y. Wang, H. H. Wieman, Y. Fisyak, H. M. Spinka, B. Stringfellow, Sergey Voloshin, P. Sorensen, E. G. Judd, X. C. Chen, W. W. Jacobs, Wei Xie, V. A. Okorokov, Gerald W Hoffmann, P. Huck, Lin Ma, M. A. Lisa, C. Perkins, K. Oh, B. Di Ruzza, I. Sakrejda, J. Lauret, A. Banerjee, A. Aparin, Junjie Zhang, O. D. Tsai, Bedangadas Mohanty, Xiaofeng Luo, K. Jiang, G. Igo, G. Odyniec, Y. Pandit, Anthony Robert Timmins, J. Novak, Adam Ryszard Kisiel, Y. Zoulkarneeva, N. Svirida, Mukesh Sharma, G. Wang, B. Sharma, J. Bouchet, N. Schmitz, H. J. Crawford, L. Didenko, I. Chakaberia, R. Lednicky, L. Kochenda, T. Tarnowsky, Anju Bhasin, Guo-Liang Ma, L. Yi, E. Shahaliev, J. H. Thomas, K. D. Landry, J. Butterworth, D. Arkhipkin, A. Hamed, H. G. Ritter, R. Witt, M. C. Cervantes, Z. J. Sun, A. Lebedev, Nilay Shah, Rafal Sikora, P. V. Shanmuganathan, L. P. Zhou, M. R. Girard, S. Mioduszewski, L. Song, L. E. Dunkelberger, Donald M. McDonald, Prithwish Tribedy, Jian Deng, A. S. Hirsch, B. K. Srivastava, W. Q. Shen, R. Vertesi, G. Agakishiev, D. S. Gunarathne, A. A. Derevschikov, P. Kravtsov, A. M. Schmah, D. Cebra, F. Liu, Xiaofeng Zhu, S. Kabana, Xiang Sun, A. Ogawa, R. D. Majka, J. Schambach, F. Videbæk, G. Webb, W. Christie, Sukalyan Chattopadhyay, Andrey Vasiliev, Janet Elizabeth Seger, Yifei Zhang, Z. Feng, M. Lomnitz, M. Stepanov, G. S. Averichev, K. Kauder, D. Garand, Sevil Salur, Y. Panebratsev, D. Grosnick, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, L. G. Efimov, T. K. Nayak, M. Shao, Y. X. Pan, G. Van Buren, S. S. Shi, C. Yang, David Jonathan Hofman, H. Masui, S. B. Nurushev, M. A.C. Lamont, S. Y. Noh, Roli Esha, Yu-Gang Ma, Jie Zhao, S. Horvat, Xuan Zhang, Hanna Paulina Zbroszczyk, M. Simko, W. Zha, Kurt Jung, A. Sarkar, W. J. Llope, J. Alford, W. Guryn, J. Fedorisin, H. Z. Huang, S. Vokal, D. G. Underwood, Q. Yang, J. Cheng, Yang Yang, L. C. De Silva, Shangfeng Yang, J. H. Chen, D. A. Morozov, Thorsten Sven Kollegger, D. Kalinkin, S. Heppelmann, B. J. Summa, J. B. Zhang, D. D. Koetke, J. E. Draper, S. Ramachandran, O. Eyser, M. M. Mondal, C. Zhong, E. C. Aschenauer, S. Margetis, X. Dong, Y. Guo, Jongmin Lee, R. L. Ray, R. Ma, T. Ljubicic, Niseem Magdy, H. Caines, Sudhir Raniwala, A. Quintero, E. P. Sichtermann, Rashmi Raniwala, T. Ullrich, C. M. Du, and H. S. Xu
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Hadron, Phi meson, Super Proton Synchrotron, Nuclear physics, Quark–gluon plasma, High Energy Physics::Experiment, Multiplicity (chemistry), Nuclear Experiment, Nucleon, Relativistic Heavy Ion Collider, STAR detector
Abstract: We report on measurements of dielectron (e(+) e(-)) production in Au + Au collisions at a center-of-mass energy of 200 GeV per nucleon-nucleon pair using the STAR detector at BNL Relativistic Heavy Ion Collider. Systematic measurements of the dielectron yield as a function of transverse momentum (p(T)) and collision centrality show an enhancement compared to a cocktail simulation of hadronic sources in the low invariant-mass region (M-ee < 1 GeV / c(2)). This enhancement cannot be reproduced by the rho-meson vacuum spectral function. In minimum-bias collisions, in the invariant-mass range of 0.30-0.76 GeV / c(2), integrated over the full pT acceptance, the enhancement factor is 1.76 +/- 0.06 (stat.) +/- 0.26 (sys.) +/- 0.29 (cocktail). The enhancement factor exhibits weak centrality and pT dependence in STAR's accessible kinematic regions, while the excess yield in this invariant-mass region as a function of the number of participating nucleons follows a power-law shape with a power of 1.44 +/- 0.10. Models that assume an in-medium broadening of the rho-meson spectral function consistently describe the observed excess in these measurements. Additionally, we report on measurements of omega-and phi-meson production through their e+ e(-) decay channel. These measurements show good agreement with Tsallis blast-wave model predictions, as well as, in the case of the phi meson, results through its K+ K- decay channel. In the intermediate invariant-mass region (1.1 < Mee < 3 GeV / c(2)), we investigate the spectral shapes from different collision centralities. Physics implications for possible in-medium modification of charmed hadron production and other physics sources are discussed.
Published: 2015

78. Energy dependence ofKπ,pπ, andKpfluctuations in Au + Au collisions fromsNN=7.7to 200 GeV

Author: J. W. Harris, H. Qiu, Vitaly Okorokov, M. Tokarev, E. P. Sichtermann, Bernd Surrow, Mukesh Sharma, G. Wang, T. D. S. Stanislaus, K. Poniatowska, S. K. Gupta, Rashmi Raniwala, H. H. Wieman, Giacomo Contin, I. K. Yoo, R. Haque, Q. H. Xu, E. G. Judd, J. Porter, Nihar Sahoo, W. B. Schmidke, Michal Sumbera, C. A. Gagliardi, Z. J. Sun, T. Ullrich, S. W. Wissink, Y. Zhang, Nikola Poljak, P. Yepes, Ivan Kisel, X. C. Chen, J. C. Dunlop, L. Wen, A. H. Tang, P. Huck, Nasim, Jaroslav Bielcik, L. Kotchenda, J. E. Draper, N. Magdy, Bedangadas Mohanty, C. M. Du, Xiaofeng Luo, I. Bunzarov, Zhigang Xiao, A. Peterson, Anthony Robert Timmins, Adam Ryszard Kisiel, O. V. Rogachevskiy, Zubayer Ahammed, Guo-Liang Ma, H. S. Xu, H. J. Jang, A. M. Poskanzer, Z. Ye, Xuan Zhang, A. I. Hamad, D. Solanki, Q. Y. Shou, B. Huang, H. J. Crawford, R. S. Longacre, J. H. Thomas, M. Calder On De La Barca S'Anchez, M. J. Skoby, L. Fulek, X. Huang, A. Kechechyan, N. G. Minaev, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, M. K. Mustafa, Zebo Tang, Leo Clifford Greiner, Hanna Paulina Zbroszczyk, W. Christie, Pradip Kumar Sahu, B. Pawlik, A. Gibson, Jian Deng, G. Eppley, L. C. Bland, Y. Wang, Y. Fisyak, Lin Ma, P. Bhattarai, C. Perkins, G. Igo, J. Novak, B. Sharma, Y. Li, A. S. Hirsch, P. Kravtsov, A. M. Schmah, I. Sakrejda, K. Oh, Basanta Kumar Nandi, Y. F. Xu, S. Zhang, A. Sandacz, J. Bouchet, Madan M. Aggarwal, Fuqiang Wang, X. Li, Sergey Voloshin, Jay Roberts, N. Xu, P. Filip, G. Agakishiev, D. S. Gunarathne, G. S. Averichev, K. D. Landry, K. Kauder, J. Butterworth, P. Pile, G. D. Westfall, A. Manion, H. W. Ke, A. Vossen, Anik Gupta, P. Seyboth, D. N. Svirida, Isaac Upsal, Thorsten Sven Kollegger, Andrey Vasiliev, B. Di Ruzza, Z. Chang, J. Pluta, Zongye Zhang, D. Tlusty, I. G. Bordyuzhin, W. Li, Y. F. Wu, Leszek Adamczyk, T. P. Burton, D. Kalinkin, P. Federic, Z. H. Khan, Frank Jm Geurts, H. M. Spinka, H. G. Ritter, R. Witt, F. Videbæk, I. Kulakov, F. Zhao, Mirko Planinic, G. Webb, Rafal Sikora, A. Banerjee, Jifa Tian, J. L. Zhang, L. Yi, S. Mioduszewski, S. Kabana, Sukalyan Chattopadhyay, G. Odyniec, J. Y. Zhang, Rene Bellwied, J. Engelage, G. Nigmatkulov, A. Roy, N. Yu, S. Heppelmann, Y. Zoulkarneeva, C. Zhong, Kejun Kang, L. V. Nogach, Nilay Shah, K. Meehan, Donald M. McDonald, J. M. Landgraf, Sumit R. Das, J. Rusnak, R. E. Tribble, B. J. Summa, P. Chaloupka, Jorn Henning Putschke, A. F. Kraishan, W. J. Llope, G. Van Nieuwenhuizen, Prithwish Tribedy, B. K. Srivastava, A. V. Brandin, M. Strikhanov, L. Ruan, Z. J. Xu, S. Trentalange, K. Xin, J. M. Campbell, Gerald W Hoffmann, Janet Elizabeth Seger, J. Sandweiss, M. Lomnitz, T. G. Dedovich, M. A. Szelezniak, D. Arkhipkin, A. Hamed, D. L. Olvitt, M. A.C. Lamont, S. Y. Noh, Xiangming Sun, K. Yip, J. S. Wang, R. R. Debbe, M. Vandenbroucke, C. Yang, David Jonathan Hofman, M. J.M. Codrington, H. Masui, R. Vertesi, N. K. Pruthi, Y. J. Sun, Wei Xie, J. B. Zhang, D. D. Koetke, J. Takahashi, A. Aparin, S. B. Nurushev, C. Dilks, C-Q. Li, S. Ramachandran, F. Liu, Y. Pandit, N. Schmitz, O. Eyser, Radoslaw Antoni Kycia, E. Shahaliev, M. Shao, Y. X. Pan, G. Van Buren, M. M. Mondal, R. P. Scharenberg, Christina Markert, D. Smirnov, O. Rusnakova, H. Z. Huang, S. Vokal, H. S. Matis, I. G. Alekseev, M. A. Lisa, Y. P. Viyogi, Shangfeng Yang, L. K. Kosarzewski, J. H. Chen, S. S. Shi, R. D. Majka, W. W. Jacobs, D. A. Morozov, T. J. Humanic, J. Schambach, J. Lauret, Anju Bhasin, A. Lebedev, Y. G. Ma, R. Lednicky, T. Tarnowsky, S. Fazio, Abdel Nasser Tawfik, Xiaofeng Zhu, A. Ogawa, R. Varma, B. S. Page, D. P. Kikola, B. Stringfellow, Haiyan Wang, M. R. Girard, C. E. Flores, Y. Guo, Jongmin Lee, R. L. Ray, R. Ma, T. Ljubicic, H. Caines, Sudhir Raniwala, A. Quintero, E. C. Aschenauer, J. K. Adkins, R. Fatemi, L. He, S. Margetis, K. Krueger, X. Dong, M. Cherney, Lokesh Kumar, Hua Pei, S. K. Tripathy, P. V. Shanmuganathan, S. R. Klein, L. E. Dunkelberger, A. A. Derevschikov, Zhiming Li, Maksym Zyzak, J. C. Webb, Jana Bielcikova, P. Sorensen, L. Didenko, I. Chakaberia, D. G. Underwood, Q. Yang, J. Cheng, Yang Yang, L. C. De Silva, Y. Panebratsev, D. Grosnick, Feng, J. Alford, W. Guryn, J. Fedorisin, Roli Esha, Jie Zhao, S. Horvat, O. D. Tsai, J. L. Romero, M. Simko, T. Pawlak, M. C. Cervantes, W. Zha, L. Song, W. Q. Shen, D. Cebra, A. Sarkar, Xiang Sun, D. Garand, Sevil Salur, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, L. G. Efimov, and T. K. Nayak
Subjects: Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Observable, Collision, 01 natural sciences, 7. Clean energy, Particle identification, Nuclear physics, Critical point (thermodynamics), 0103 physical sciences, Quark–gluon plasma, Heavy ion, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: © 2015 American Physical Society. ©2015 American Physical Society. A search for the quantum chromodynamics (QCD) critical point was performed by the STAR experiment at the BNL Relativistic Heavy Ion Collider, using dynamical fluctuations of unlike particle pairs. Heavy ion collisions were studied over a large range of collision energies with homogeneous acceptance and excellent particle identification, covering a significant range in the QCD phase diagram where a critical point may be located. Dynamical Kπ, pπ, and Kp fluctuations as measured by the STAR experiment in central 0-5% Au + Au collisions from center-of-mass collision energies sNN=7.7 to 200 GeV are presented. The observable νdyn was used to quantify the magnitude of the dynamical fluctuations in event-by-event measurements of the Kπ, pπ, and Kp pairs. The energy dependences of these fluctuations from central 0-5% Au + Au collisions all demonstrate a smooth evolution with collision energy.
Published: 2015

79. 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

80. 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

81. Measurement of the analyzing power AN in pp elastic scattering in the CNI region with a polarized atomic hydrogen gas jet target

Author: T. Wise, A. Nass, W. Haeberli, R. L. Gill, Satish Dhawan, O. Jinnouchi, G. Bunce, E. J. Stephenson, I. G. Alekseev, Alexander Khodinov, A. N. Zelenski, A. Bravar, Y. I. Makdisi, Hiroyuki Okada, Norio Saito, and D. N. Svirida
Subjects: Physics, Elastic scattering, Nuclear and High Energy Physics, Jet (fluid), Proton, 010308 nuclear & particles physics, media_common.quotation_subject, Momentum transfer, Hadron, 01 natural sciences, Asymmetry, Nuclear physics, Amplitude, 0103 physical sciences, High Energy Physics::Experiment, Spin-flip, Nuclear Experiment, 010306 general physics, media_common
Abstract: A precise measurement of the analyzing power A N in proton–proton elastic scattering in the region of 4-momentum transfer squared 0.001 | t | 0.032 ( GeV / c ) 2 has been performed using a polarized atomic hydrogen gas jet target and the 100 GeV/ c RHIC proton beam. The interference of the electromagnetic spin-flip amplitude with a hadronic spin-nonflip amplitude is predicted to generate a significant A N of 4–5%, peaking at − t ≃ 0.003 ( GeV / c ) 2 . This kinematic region is known as the Coulomb nuclear interference region. A possible hadronic spin-flip amplitude modifies this calculable prediction. We present the first precise result of the CNI asymmetry and shape as a function of t . Our data are well described by the CNI prediction with the electromagnetic spin-flip alone and do not support the presence of a large hadronic spin-flip amplitude.
Published: 2006

82. First measurement of AN at s=200 GeV in polarized proton–proton elastic scattering at RHIC

Author: Kaushik De, S. Bültmann, L. I. Koroleva, Adam Rusek, Janusz Chwastowski, J. M. Landgraf, C. Pearson, W. Guryn, R. E. Chrien, M.F. Runtzo, M. Haguenauer, D. N. Svirida, A. Sandacz, A. Drees, P. Pile, Alexander Khodinov, David Lynn, Michael Rijssenbeek, Mikhail N. Strikhanov, N. Guler, B. Pawlik, Alexey A. Bogdanov, L. Whitehead, M. Sakitt, V. P. Kanavets, Jing Li, T. Ljubicic, S. B. Nurushev, I. G. Alekseev, Nurcan Ozturk, I-Hung Chiang, K. Yip, S. Yeung, B. V. Morozov, Steven Tepikian, and R. L. Gill
Subjects: Elastic scattering, Baryon, Nuclear physics, Physics, Nuclear and High Energy Physics, Amplitude, Proton, Hadron, Momentum transfer, High Energy Physics::Experiment, Nuclear Experiment, Nucleon, Relativistic Heavy Ion Collider
Abstract: We report on the first measurement of the single spin analyzing power ( A N ) at s = 200 GeV , obtained by the PP2PP experiment using polarized proton beams at the Relativistic Heavy Ion Collider (RHIC). Data points were measured in the four momentum transfer t range 0.01 ⩽ | t | ⩽ 0.03 ( GeV / c ) 2 . Our result, averaged over the whole | t | interval is about one standard deviation above the calculation, which uses interference between electromagnetic spin-flip amplitude and hadronic non-flip amplitude, the source of A N . The difference could be explained by an additional contribution of a hadronic spin-flip amplitude to A N .
Published: 2006

83. 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

84. Spin Dependence in Polarized and Elastic Scattering at Very Low Momentum Transfer t at RHIC

Author: Ahovi Kponou, Satish Dhawan, O. Jinnouchi, J. Wood, Wuzheng Meng, G. Igo, Alexander Khodinov, A. Nass, W. Haeberli, Hiroyuki Okada, Y. I. Makdisi, R. L. Gill, C. A. Whitten, A. Bravar, G. Bunce, H. Huang, E. J. Stephenson, I. G. Alekseev, A. N. Zelenski, Norio Saito, H. M. Spinka, T. Wise, K. Kurita, D. G. Underwood, and D. N. Svirida
Subjects: Physics, Elastic scattering, Nuclear and High Energy Physics, Particle physics, Proton, Nuclear Theory, High Energy Physics::Phenomenology, Momentum transfer, Hadron, Observable, Atomic and Molecular Physics, and Optics, Nuclear physics, Amplitude, Coulomb, High Energy Physics::Experiment, Nuclear Experiment, Spin-½
Abstract: Interference phenomena in (polarized) hadron collisions have often led to spectacular spin effects in the final state. These effects are expressed in terms of the spin observables, like the analyzing power AN. The interference of the electromagnetic spin-flip amplitude with a hadronic spin-nonflip amplitude in the elastic scattering of hadrons generates a significant AN at very low t ( 0.001 | t | 0.01 ( GeV / c ) 2 ) . This kinematical region is referred to as the Coulomb Nuclear Interference (CNI) region. A possible hadronic spin-flip amplitude can substantially modify the magnitude and shape of AN, which otherwise is exactly calculable. First results on AN in polarized proton-proton elastic scattering in the CNI region at 100 GeV from the 2004 polarized proton run at RHIC are presented. New results on AN in the elastic scattering of polarized protons off a carbon target over a wide energy range from 4 GeV to 100 GeV from AGS and RHIC are presented, as well. These results allow us to further study the spin dependence in elastic scattering and the mechanisms that generate these effects.
Published: 2005

85. Program of measurement of the asymmetry P at the minima of the differential cross section for elastic π + p scattering

Author: V. V. Zhurkin, I. G. Alekseev, L. I. Koroleva, D. N. Svirida, E. I. Bunyatova, V. Yu. Trautman, E. A. Filimonov, V. P. Kanavets, A. D. Sulimov, S. P. Kruglov, Yu. A. Beloglazov, V. V. Sumachev, D. V. Novinsky, B. V. Morozov, N. A. Bazhanov, V. M. Nesterov, V. V. Ryltsov, V. A. Shchedrov, A. I. Kovalev, and P. E. Budkovsky
Subjects: Physics, Elastic scattering, Nuclear and High Energy Physics, Scattering, media_common.quotation_subject, Nuclear Theory, Scattering length, Polarization (waves), Asymmetry, Atomic and Molecular Physics, and Optics, Scattering amplitude, Nuclear physics, Pion, Amplitude, Atomic physics, Nuclear Experiment, media_common
Abstract: A program of measurement of the polarization parameter P in elastic {pi}{sup +}p interaction in the resonance region of backward pion scattering is presented. This program is aimed at determining the bifurcation points of the trajectory of zeros of the pion-nucleon amplitude and, hence, at unambiguously reconstructing the amplitude of {pi}N scattering in the second resonance region. It is planned to perform a relevant experiment in a pion beam from the accelerator of the Institute of Experimental and Theoretical Physics (ITEP, Moscow)
Published: 2005

86. The PP2PP experiment at RHIC: silicon detectors installed in Roman Pots for forward proton detection close to the beam

Author: Adam Rusek, C. Tang, D.N. Svirida, I-Hung Chiang, B. V. Morozov, C. Pearson, M.F. Runtzo, T. Ljubicic, Zheng Li, W. Guryn, Kaushik De, Mikhail N. Strikhanov, Wen-Chang Chen, Steven Tepikian, Nurcan Ozturk, L. I. Koroleva, J. M. Landgraf, S. Bültmann, S B Nurushev, B. Pawlik, I. G. Alekseev, David Lynn, N. Guler, Janusz Chwastowski, P. Pile, Alexey A. Bogdanov, Michael Rijssenbeek, M. Sakitt, Veljko Radeka, Jing Li, V. P. Kanavets, A. Sandacz, A. Drees, M. Haguenauer, R. A. Scheetz, L. Whitehead, Alexander Khodinov, S. Yeung, R. E. Chrien, and R. L. Gill
Subjects: Elastic scattering, Physics, Nuclear and High Energy Physics, Proton, Physics::Instrumentation and Detectors, Detector, Particle detector, Semiconductor detector, Nuclear physics, Measuring instrument, Physics::Accelerator Physics, High Energy Physics::Experiment, Nuclear Experiment, Relativistic Heavy Ion Collider, Instrumentation, Beam (structure)
Abstract: The PP2PP experiment is one of five experiments at the Relativistic Heavy Ion Collider (RHIC) at the Brookhaven National Laboratory, Long Island, New York. It is designed to measure the elastic scattering of protons at s = 50–500 GeV. The detector consists of silicon strip detectors mounted in Roman Pots and installed in the RHIC ring 60 m from the interaction region. During the engineering run of 2002 and physics run of 2003 the detectors were inserted as close as 15 mm from the proton beam. An overview of the experiment and details of the detector design and performance will be presented.
Published: 2004

87. Experimental Setup for Measuring P Asymmetry in the Resonance Region of Elastic Pion–Proton Scattering

Author: D. N. Svirida, V. V. Zhurkin, I. G. Alekseev, L. I. Koroleva, E. I. Bunyatova, D. V. Novinskii, S. P. Kruglov, E. A. Filimonov, V. A. Shchedrov, V. V. Sumachev, B. V. Morozov, N. A. Bazhanov, Yu. A. Beloglazov, A. I. Kovalev, A. D. Sulimov, V. Yu. Trautman, P. E. Budkovskii, V. P. Kanavets, V. M. Nesterov, and V. V. Ryltsov
Subjects: Physics, Proton, Scattering, media_common.quotation_subject, Nuclear Theory, Monte Carlo method, Proton Synchrotron, Resonance (particle physics), Asymmetry, Nuclear physics, Pion, Scintillation counter, Physics::Accelerator Physics, Nuclear Experiment, Instrumentation, media_common
Abstract: The SPIN-P experimental setup was designed for measuring the P asymmetry during pion scattering into the backward hemisphere at a minimum differential cross section of elastic πpscattering. The physical grounds of the experiment and the results of its simulation by the Monte Carlo method are presented. The setup is composed of a polarized proton target in a superconducting solenoid with vertical polarization of free protons, wire track detectors, scintillation counters, electronics for data readout and processing, and an appropriate computer network. The experimental program has been under way since 2002 on the pion beam of the proton synchrotron at the Institute of Theoretical and Experimental Physics (Moscow).
Published: 2004

88. Measurement of spin-rotation parameters in elastic π + p scattering at a momentum of 1.62 GeV/c and calibration of a carbon polarimeter

Author: V. V. Ryltsov, S. P. Kruglov, Yu. A. Beloglazov, V. Yu. Trautman, N. A. Bazhanov, V. A. Shchedrov, L. I. Koroleva, A. D. Sulimov, V. V. Sumachev, D. V. Novinsky, B. V. Morozov, E. I. Bunyatova, A. I. Kovalev, V. M. Nesterov, V. V. Zhurkin, I. G. Alekseev, P. E. Budkovsky, D. N. Svirida, and V. P. Kanavets
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Scattering, Nuclear Theory, Polarimeter, Polarization (waves), Atomic and Molecular Physics, and Optics, Baryon, Nuclear physics, Experimental physics, Momentum, Amplitude, Nuclear Experiment, Spin (physics)
Abstract: Experimental data on the spin-rotation parameters A and R in elasticπ+p interaction were obtained for the first time at a momentum of pπ = 1.62 GeV/c. These data are necessary for unambiguously reconstructing the amplitude of pion-nucleon scattering and, hence, for deducing a correct spectrum of nonstrange baryon resonances. In order to obtain results for the polarization parameters A and R with the minimum possible systematic error, the carbon polarimeter used was preliminarily calibrated in a dedicated experiment; that is, the analyzing power was measured in proton-carbon scattering for incidentproton energies in the range Tp=0.7–1.3 GeV. The experimental data reported in the present article were obtained by a collaboration of researchers from the Petersburg Nuclear Physics Institute and Institute of Theoretical and Experimental Physics (ITEP, Moscow) at the ITEP synchrotron.
Published: 2004

89. First measurement of proton–proton elastic scattering at RHIC

Author: B. V. Morozov, R. E. Chrien, Kaushik De, S. Bültmann, I. G. Alekseev, M. Haguenauer, D.N. Svirida, Nurcan Ozturk, Steven Tepikian, S. Yeung, P. Pile, Adam Rusek, Michael Rijssenbeek, David Lynn, N. Guler, Alexey A. Bogdanov, S B Nurushev, I-Hung Chiang, Jing Li, M.F. Runtzo, A. Drees, Janusz Chwastowski, Mikhail N. Strikhanov, R. L. Gill, L. I. Koroleva, C. Pearson, C. Tang, A. Sandacz, B. Pawlik, W. Guryn, M. Sakitt, and V. P. Kanavets
Subjects: Diffraction, Physics, Elastic scattering, Particle physics, Range (particle radiation), Nuclear and High Energy Physics, Proton, FOS: Physical sciences, High Energy Physics - Experiment, Exponential function, Nuclear physics, High Energy Physics - Experiment (hep-ex), Cross section (physics), High Energy Physics::Experiment, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract: The first result of the pp2pp experiment at RHIC on elastic scattering of polarized protons at sqrt{s} = 200 GeV is reported here. The exponential slope parameter b of the diffractive peak of the elastic cross section in the t range 0.010, 9 pages 5 figures
Published: 2004
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90. New experimental results on the pion-nucleon interaction investigation in the resonance region

Author: B. V. Morozov, V. V. Ryltsov, A. I. Kovalev, A.A. Kulbardis, S. P. Kruglov, N. G. Kozlenko, I. G. Alekseev, N. A. Bazhanov, D. V. Novinsky, V. P. Kanavets, L. I. Koroleva, V. Yu. Trautman, P. E. Budkovsky, A. D. Sulimov, V. V. Sumachev, Yu. A. Beloglazov, D. N. Svirida, V. M. Nesterov, and E. I. Bunyatova
Subjects: Nuclear physics, Physics, Systematic error, Pion, Nuclear magnetic resonance, Scattering, Partial wave analysis, General Physics and Astronomy, Resonance, Experimental data, Nuclear Experiment, Nucleon, Polarization (waves)
Abstract: The spin rotation parameters A and R were measured for the elastic pion-proton scattering by the PNPI-ITEP collaboration in the D13 (1700), ΔS31(1900), ΔP33(1920) and ΔD33 (1940) resonances region. These resonances were absent in the set of partial wave analysis (PWA) of the Virginia Polytechnic Institute group (VPI), but was included in the tables of the Review of Particle Physics. The main goal of the experimental program was to resolve the current PWA’s disagreement in spin rotation parameters value predictions. Simultaneously with A and R the polarization parameter P was measured with the purpose to improve the experimental data base and estimate the experimental systematic errors. Our results for spin rotation parameters A and |R| are in agreement with PWA VPI predictions.
Published: 2002

91. Polarization experiments with the SPIN setup at the ITEP synchrotron

Author: V. V. Ryltsov, Yu. A. Beloglazov, V. A. Shchedrov, E. I. Bunyatova, D. N. Svirida, S. P. Kruglov, V. P. Kanavets, N. A. Bazhanov, V. V. Zhurkin, V. Yu. Trautman, I. G. Alekseev, A. I. Kovalev, V. M. Nesterov, P. E. Budkovsky, B. V. Morozov, A. D. Sulimov, V. V. Sumachev, D. V. Novinsky, and L. I. Koroleva
Subjects: Physics, Nuclear and High Energy Physics, Scattering, media_common.quotation_subject, Nuclear Theory, Proton Synchrotron, Resonance, Polarization (waves), Asymmetry, Atomic and Molecular Physics, and Optics, Synchrotron, law.invention, Experimental physics, Baryon, Nuclear physics, law, Nuclear Experiment, media_common
Abstract: New experimental data on the spin-rotation parameters A and R measured for elastic π ± p scattering in the resonance region and on the asymmetry in pC scattering at primary momenta in the range 1.35–2.02 GeV/c, as well as in quasielastic proton scattering on nuclei in the same momentum range, are summarized. All these data were recently obtained by using the proton synchrotron installed at the Institute of Theoretical and Experimental Physics (ITEP, Moscow). The spectrum and features of seven isospin-3/2 baryon resonances that form a peak in the total cross section at a c.m. energy of 1.9 GeV are analyzed on the basis of new data on the parameters A and R, and the results of this analysis are presented. The experiments surveyed in this article were performed by a collaboration of researchers from ITEP and the Petersburg Nuclear Physics Institute (PNPI, Gatchina), the ITEP-PNPI collaboration.
Published: 2002

92. Detector of the reactor AntiNeutrino based on Solid-state plastic Scintillator (DANSS). Status and first results

Author: V. G. Egorov, A. A. Kuznetsov, Z. Hons, D. N. Svirida, V. M. Nesterov, I. V. Machikhiliyan, Ye. Shevchik, D. R. Zinatulina, V. Belov, Yu. Shitov, I. Zhitnikov, J. Vlasek, M. Danilov, D. Medvedev, D. Ponomarev, A.G. Olshevsky, D.V. Filosofov, N. Skrobova, A. S. Kobyakin, M. Shirchenko, A. Starostin, V. B. Brudanin, M. Fomina, E. Tarkovsky, I. G. Alekseev, A.V. Salamatin, S. Kazartsev, N. Rumyantseva, I. Rozova, V. Rusinov, and I. Tikhomirov
Subjects: Nuclear physics, Physics, History, 010308 nuclear & particles physics, 0103 physical sciences, Detector, Solid-state, Scintillator, 010306 general physics, 01 natural sciences, Computer Science Applications, Education
Published: 2017

93. 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

94. 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

95. 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

96. 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

97. 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

98. 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

99. Measurements of the spin rotation parameter A in the elastic pion-proton scattering in the D13(1700) resonance region

Author: A. I. Kovalev, L. I. Koroleva, V. M. Nesterov, V. V. Zhurkin, I. G. Alekseev, V. V. Ryltsov, Yu. A. Beloglazov, V. A. Shchedrov, A. D. Sulimov, V. V. Sumachev, N.A. Bazhanov, S. P. Kruglov, V. Yu. Trautman, V. P. Kanavets, P. E. Budkovsky, D. N. Svirida, D. V. Novinsky, E. I. Bunyatova, and B. V. Morozov
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Transverse plane, Pion, Amplitude, Scattering, Hadron, Proton Synchrotron, High Energy Physics::Experiment, Polarimeter, Nuclear Experiment, Polarization (waves)
Abstract: The spin rotation parameters A and R were measured for the elastic pion-proton scattering by the PNPI-ITEP collaboration in the D13(1700) resonance region. The main goal of the experimental program is to resolve the current partial-wave analyses (PWA) uncertainties. Simultaneously with A and R the polarization parameter P was measured with the purpose to improve the experimental database and estimate systematic errors. The constraint which demands a smooth energy dependence of all π-p transverse amplitude zeros in the complex plane together with the new experimental data on A parameter can lead to the conclusion that the Barrelet branch of “zero trajectories" is chosen improperly in PWA of the Carnegie-Mellon-Lawrence-Berkely-Laboratory groups at the range of the pion beam momentum near 1.0 GeV/c. The setup included a longitudinally polarized proton target with superconductive magnet, multiwire spark chambers and carbon polarimeter with thick filter. The experiment was performed at the ITEP proton synchrotron, Moscow.
Published: 2001

100. DANSS: Detector of the reactor AntiNeutrino based on Solid Scintillator

Author: J. Vlasek, A. S. Kobyakin, N. Skrobova, Mikhail Danilov, M. Shirchenko, Yu. Shitov, D. Medvedev, A. A. Kuznetsov, E. Tarkovsky, Z. Hons, Ye. Shevchik, D. N. Svirida, V. Egorov, V. Rusinov, I. V. Machikhiliyan, N. Rumyantseva, D. Ponomarev, D. R. Zinatulina, V. A. Belov, I. Tikhomirov, A.V. Salamatin, D.V. Filosofov, M. Fomina, A.G. Olshevsky, S. Kazartsev, I. Rozova, I. G. Alekseev, V. M. Nesterov, V.B. Brudanin, I. Zhitnikov, and A. Starostin
Subjects: Physics, Spectrometer, 010308 nuclear & particles physics, Nuclear engineering, Detector, Scintillator, 01 natural sciences, Core (optical fiber), Nuclear reactor core, 0103 physical sciences, Sensitivity (control systems), Neutrino, 010306 general physics, Neutrino oscillation, Instrumentation, Mathematical Physics
Abstract: The DANSS project is aimed at creating a relatively compact neutrino spectrometer which does not contain any flammable or other dangerous liquids and may therefore be located very close to the core of an industrial power reactor. As a result, it is expected that high neutrino flux would provide about 15,000 IBD interactions per day in the detector with a sensitive volume of 1 m3. High segmentation of the plastic scintillator will allow to suppress a background down to a ~1% level. Numerous tests performed with a simplified pilot prototype DANSSino under a 3 GWth reactor of the Kalinin NPP have demonstrated operability of the chosen design. The DANSS detector surrounded with a composite shield is movable by means of a special lifting gear, varying the distance to the reactor core in a range from 10 m to 12 m. Due to this feature, it could be used not only for the reactor monitoring, but also for fundamental research including short-range neutrino oscillations to the sterile state. Supposing one-year measurement, the sensitivity to the oscillation parameters is expected to reach a level of sin2(2θnew) ~ 5 × 10−3 with Δ m2 ⊂ (0.02–5.0) eV2.
Published: 2016

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