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140 results on '"Z Milosevich"'

1. Erratum: Azimuthal Anisotropy of KS0 and Λ+Λ¯ Production at Midrapidity from Au+Au Collisions at sNN=130 GeV [Phys. Rev. Lett. 89 , 132301 (2002)]

Author: S. P. Chernenko, W. J. Llope, A. Cardenas, H. Long, R. Lednický, V. A. Nikitin, K. E. Shestermanov, A. Stolpovsky, R. S. Longacre, W. Christie, L. Kotchenda, H. Bichsel, P. Seyboth, V. Trofimov, Guy Paic, A. Chikanian, A. V. Brandin, S. S. Shimanskii, A. I. Kulikov, Masashi Kaneta, W. M. Zhang, L. C. Bland, Y. Panebratsev, R.Kh. Kutuev, Andrey Vasiliev, Joram Berger, T. Todoroki, Adam Ryszard Kisiel, J. B. Carroll, A. E. Yakutin, G. Igo, M. Oldenburg, H. J. Crawford, M. Castro, M. Calderon De La Barca Sanchez, G. Rai, J. W. Mitchell, N. Schmitz, Janet Elizabeth Seger, VL Rykov, B. D. Anderson, V. Petrov, E. Shahaliev, A. Boucham, T. J. Humanic, V. B. Dunin, A. C. Saulys, Z. Z. Xu, Q. Li, R. Witt, S. E. Vigdor, T. W. Henry, Christian Claude Kuhn, W. S. Deng, V. Ghazikhanian, Nikita Smirnov, I.A. Savin, M. Csanád, A. I. Pavlinov, F. Liu, M. B. Tonjes, J. W. Harris, B. E. Bonner, N. T. Porile, O. D. Tsai, J. L. Romero, Mirko Planinic, H. M. Spinka, C. E. Allgower, G. Eppley, S. Bekele, V. Morozov, Michael Kramer, M. Cherney, B. Lasiuk, E. Finch, Thomas Michael Cormier, R. Willson, D. G. Underwood, Michael W. Anderson, E. Gushin, P. Yepes, V. Eckardt, R. Ma, P. Nevski, J. H. Thomas, D. Hardtke, F. Laue, A. H. Tang, R. D. Majka, J. Pluta, L. Liu, V. M. Leontiev, Olivier Ravel, G. LoCurto, C. O. Blyth, E. Hjort, I. Zborovský, Yu A. Matulenko, M. Horsley, G. Skoro, B. Stringfellow, T. S. McShane, Rene Bellwied, C. P. Lansdell, R. E. Tribble, R.J.M. Snellings, Gerald W Hoffmann, J. N. Marx, B. Choi, J. G. Cramer, Thomas Dietel, Alexander Kovalenko, L. V. Nogach, A. P. Meschanin, Y. Fisyak, Ian Johnson, Christophe Pierre Suire, J. Sowinski, J. Schambach, D. Reichhold, T. J. M. Symons, T. Niida, A. Lebedev, M. M. de Moura, A. Szanto de Toledo, T. Pawlak, Morton Kaplan, P. Sorensen, G. Van Buren, Sevil Salur, Saurabh Pandey, A. Tai, T. W. Ludlam, J. Amonett, J. M. Nelson, V. Emelianov, D. Keane, W. Peryt, R. Stock, L. G. Efimov, D. Seliverstov, A. Schüttauf, G. S. Averichev, J. Porter, C. Roy, A. Klyachko, Vladimir Tikhomirov, P. Chaloupka, S. Trentalange, A. Ishihara, Yu Chen, Gregory Rakness, B. K. Srivastava, I. M. Vasilevski, F. Retiere, J. Gans, Boris Hippolyte, J. C. Dunlop, Zubayer Ahammed, M. J. LeVine, H. G. Ritter, A. S. Konstantinov, B. Norman, A. A. Kuznetsov, S. Y. Panitkin, E. Yamamoto, J. Engelage, David Lynn, J. G. Ma, J. Takahashi, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, N. G. Minaev, Sergey Voloshin, K. J. Foley, V. S. Shvetcov, Q. J. Liu, C. A. Whitten, J. Baudot, A. Rose, Y. V. Zanevski, S. Lange, S. J. Lindenbaum, Yu. Ivanshin, N. Xu, John N. Wood, M. Guedon, A. M. Poskanzer, A. M. VanderMolen, Russell Wells, J. M. Landgraf, M. Strikhanov, A. Billmeier, J. Putschke, J. W. Watson, A. Ogawa, Thomas A. Trainor, R. P. Scharenberg, Christina Markert, H. S. Matis, G. Odyniec, J. Sandweiss, Z. Liu, W. W. Jacobs, G. D. Westfall, H. Ward, L. S. Schroeder, S. V. Razin, L. Gaudichet, H. Zhang, Jay Roberts, Jinghui Yang, Malgorzata Anna Janik, C. L. Kunz, K. Krueger, C. F. Moore, C. Struck, M. Lopez-Noriega, I. Sakrejda, M. L. Miller, Fuqiang Wang, P. Szarwas, A. S. Hirsch, P. M. Jacobs, P. Kravtsov, C. Adler, E. G. Judd, Michael A. Thompson, Michal Sumbera, Jeffrey G. Reid, A. A. P. Suaide, E. Sugarbaker, S. R. Klein, V. Faine, J. Castillo, S. W. Wissink, J. E. Draper, H. Z. Huang, N.D. Gagunashvili, O. Barannikova, D. L. Olson, Sukalyan Chattopadhyay, T. J. Hallman, V. Perevoztchikov, K. Filimonov, A. A. Derevschikov, Marie Germain, V. I. Yurevich, A. N. Zubarev, M. Messer, P. Fachini, V. V. Belaga, Peter Graham Jones, Lee Stuart Barnby, F. Meissner, L. Didenko, M. Kopytine, J. Fu, M. Tokarev, K. Schweda, H. H. Wieman, J. Kiryluk, Rajarshi Ray, L. Lakehal-Ayat, W. A. Love, Vitaly Okorokov, Bernd Surrow, J. L. Klay, C. A. Gagliardi, A. Ridiger, T. Herston, R. V. Cadman, S. Heppelmann, D. Flierl, Frank Jm Geurts, L. Martin, J. P. Coffin, O. V. Rogachevski, V. A. Moiseenko, Marcelo Gameiro Munhoz, D. J. Prindle, E. J. Stephenson, M. A. Lisa, S. Margetis, O. A. Grachov, B. Erazmus, Gerd Joachim Kunde, D. Cebra, A. Bravar, Yu Melnick, J. Balewski, Claude Andre Pruneau, T. Ullrich, R. Zoulkarneev, V. Grigoriev, E. Potrebenikova, T. Ljubicic, and H. Caines
Subjects: Physics, Nuclear physics, Azimuth, General Physics and Astronomy, Anisotropy
Published: 2021

2. Erratum: Azimuthal Anisotropy at the Relativistic Heavy Ion Collider: The First and Fourth Harmonics [Phys. Rev. Lett. 92 , 062301 (2004)]

Author: J. W. Harris, R. Willson, D. G. Underwood, D. Thein, R. V. Cadman, C. Roy, P. Seyboth, M. Kopytine, J. Fu, E. Gushin, P. Yepes, V. Eckardt, D. Reichhold, Jianhong Wu, Frank Jm Geurts, I.A. Savin, N. T. Porile, A. H. Tang, T. J. M. Symons, A. Klyachko, J. H. Thomas, M. Tokarev, C-Q. Li, P. Sorensen, M. Shao, G. Van Buren, S. P. Chernenko, Vladimir Tikhomirov, R. Witt, V. Trofimov, R. P. Scharenberg, Christina Markert, W. T. Waggoner, Yu A. Matulenko, M. Horsley, T. W. Henry, W. J. Llope, P. Chaloupka, V. Yu Khodyrev, B. K. Srivastava, J. C. Dunlop, J. Gans, H. S. Matis, Zubayer Ahammed, M. J. LeVine, S. K. Badyal, S. Trentalange, L. S. Schroeder, S. Bhardwaj, Boris Hippolyte, S. V. Razin, M. Calderon De La Barca Sanchez, H. H. Wieman, B. Stringfellow, L. Gaudichet, H. Long, Sukalyan Chattopadhyay, W. W. Jacobs, J. Lauret, M. S. Ganti, R.Kh. Kutuev, Joram Berger, J. E. Gonzalez, Bedangadas Mohanty, T. W. Ludlam, J. M. Nelson, A. Ridiger, G. S. Averichev, K. Schweda, Guy Paic, A. Chikanian, S. S. Shimanskii, Jay Roberts, S. Stanislaus, V. B. Dunin, S. Mahajan, Q. Li, M. Heinz, Michael Kramer, I. Zborovský, L. K. Mangotra, T. J. Hallman, Y. G. Ma, W. Peryt, D. K. Mishra, S. Heppelmann, D. Flierl, J. Porter, V. Ghazikhanian, J. L. Romero, R. Lednický, L. Martin, J. Engelage, John N. Wood, Premomoy Ghosh, J. M. Landgraf, M. Strikhanov, C. Perkins, T. Niida, A. Lebedev, M. M. de Moura, J. G. Cramer, R. Manweiler, T. S. McShane, Y. Fisyak, Ian Johnson, T. Todoroki, Adam Ryszard Kisiel, J. B. Carroll, Christophe Pierre Suire, H. J. Crawford, G. Wang, V. A. Nikitin, K. E. Shestermanov, A. Boucham, T. J. Humanic, D. Arkhipkin, S. Bekele, A. Ishihara, H. Jiang, Basanta Kumar Nandi, M. Guedon, A. M. Poskanzer, A. M. VanderMolen, Russell Wells, J. P. Coffin, O. V. Rogachevski, C. P. Lansdell, E. Sugarbaker, R.J.M. Snellings, H. Z. Huang, C. Struck, M. Lopez-Noriega, F. Meissner, J. Kiryluk, Rajarshi Ray, D. A. Morozov, J. L. Klay, M. Botje, A. Billmeier, G. Odyniec, J. Sandweiss, Z. Liu, R. Fatemi, C. O. Blyth, R. S. Longacre, P. Bhaskar, V. Perevoztchikov, K. Filimonov, Q. J. Liu, C. A. Whitten, L. Ruan, M. J. Mora-Corral, A. Rose, S. Lange, S. J. Lindenbaum, H. Ward, Sergey Voloshin, K. J. Foley, D. Seliverstov, J. Takahashi, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, X. L. Wang, B. I. Bezverkhny, S. Margetis, O. A. Grachov, X. Dong, S. K. Pal, A. Bravar, V. Grigoriev, E. Potrebenikova, V. V. Belaga, B. Erazmus, Gerd Joachim Kunde, D. Cebra, M. Estienne, E. Finch, A. Szanto de Toledo, T. Pawlak, A. Stolpovsky, L. Kotchenda, J. R. Adams, M. Castro, L. C. Bland, C. L. Kunz, K. Krueger, C. F. Moore, Y. Panebratsev, D. Grosnick, G. Rai, R. Picha, N. Xu, P. Filip, Debasish Das, G. D. Westfall, S. C. Phatak, A. Kumar, T. Ljubicic, M. Cherney, E. G. Judd, Thomas Michael Cormier, S. Das, P. Nevski, A. Gupta, B. Norman, Malgorzata Anna Janik, J. Baudot, Y. V. Zanevski, Saroj K. Nayak, Morton Kaplan, X. Z. Cai, Peter Graham Jones, Yu Melnick, H. Bichsel, Raghunath Sahoo, S. M. Guertin, D. P. Mahapatra, Yu Chen, M. Csanád, J. N. Marx, Mirko Planinic, P. A. Żołnierczuk, N.D. Gagunashvili, Michael W. Anderson, L. Liu, B. Choi, F. Du, S. Kabana, Olivier Ravel, Y. P. Viyogi, H. Caines, Sudhir Raniwala, Camelia Mironov, Michal Sumbera, A. A. P. Suaide, G. Renault, Thomas Dietel, Zhongyukun Xu, M. Potekhin, G. Igo, Alexander Kovalenko, L. V. Nogach, V. I. Kravtsov, M. R. Dutta Majumdar, M. Oldenburg, J. Zoulkarneeva, V. Faine, J. W. Mitchell, Z. P. Zhang, V. Petrov, J. Castillo, S. W. Wissink, Anand Kumar Dubey, L. Didenko, F. Retiere, A. S. Hirsch, P. M. Jacobs, J. Balewski, Rashmi Raniwala, Claude Andre Pruneau, P. Kravtsov, C. Adler, B. V. K. S. Potukuchi, David Lynn, J. E. Draper, N. G. Minaev, N. Schmitz, E. Shahaliev, T. Ullrich, R. Zoulkarneev, H. G. Ritter, Jeffrey G. Reid, D. Magestro, J. Putschke, J. W. Watson, E. Hjort, Gregory Rakness, H. M. Spinka, A. Ogawa, H. F. Chen, Shengli Huang, Thomas A. Trainor, G. Skoro, J. G. Ma, R. N. Singaraju, Marcelo Gameiro Munhoz, D. J. Prindle, Z. Z. Xu, A. P. Meschanin, S. R. Klein, Manish Sharma, M. A. Lisa, W. J. Dong, O. Barannikova, D. L. Olson, Nikita Smirnov, A. A. Derevschikov, Vitaly Okorokov, Bernd Surrow, Marie Germain, A. Tai, G. Sood, C. A. Gagliardi, J. Amonett, T. Herston, Madan M. Aggarwal, A. N. Zubarev, Fuqiang Wang, M. Messer, V. Emelianov, V. I. Yurevich, Frank Simon, P. Fachini, A. K. Bhati, D. Keane, S. Gronstal, Lee Stuart Barnby, R. Stock, L. G. Efimov, W. A. Love, D. D. Koetke, T. K. Nayak, B. E. Bonner, O. D. Tsai, B. Lasiuk, M. A. Vasiliev, Sevil Salur, Saurabh Pandey, W. Christie, A. I. Kulikov, Masashi Kaneta, W. M. Zhang, Andrey Vasiliev, Janet Elizabeth Seger, T. Kollegger, A. I. Pavlinov, F. Liu, M. B. Tonjes, V. Morozov, T. D. Gutierrez, D. Hardtke, F. Laue, R. D. Majka, J. Sowinski, Z. M. Wang, J. Schambach, Julien Faivre, A. V. Brandin, S. E. Vigdor, Christian Claude Kuhn, R. Ma, B. D. Anderson, H. Zhang, G. Eppley, I. Sakrejda, J. Pluta, M. L. Miller, L. Molnar, P. Szarwas, Rene Bellwied, R. E. Tribble, A. A. Kuznetsov, S. Y. Panitkin, Gerald W Hoffmann, E. Yamamoto, and M. D. Trivedi
Subjects: Nuclear physics, Physics, Azimuth, Harmonics, General Physics and Astronomy, Anisotropy, Relativistic Heavy Ion Collider
Published: 2021

3. ϕ meson production in Au+Au and p+p collisions at sNN=200GeV

Author: W. Christie, A. H. Tang, A. I. Kulikov, Guy Paic, A. Chikanian, S. S. Shimanskii, W. M. Zhang, E. Sugarbaker, G. Rakness, Andrey Vasiliev, M. Shao, D. K. Mishra, A. Boucham, R. N. Singaraju, A. P. Meschanin, Janet Elizabeth Seger, F. Meissner, E. G. Judd, D. Arkhipkin, E. Yamamoto, S. Bekele, M. Heinz, Lee Stuart Barnby, Manish Sharma, J. Balewski, D. A. Morozov, Marie Germain, Rashmi Raniwala, Claude Andre Pruneau, A. Ishihara, Michal Sumbera, G. Renault, C. Suire, T. Ullrich, A. S. Hirsch, R. Wells, S. V. Razin, M. R. Dutta Majumdar, A. Lebedev, L. Gaudichet, J. Kiryluk, A. Ridiger, V. Faine, A. N. Zubarev, N. Schmitz, Thorsten Sven Kollegger, E. Shahaliev, H. Jiang, M. M. de Moura, J. C. Webb, P. Kravtsov, C. Adler, R. Zoulkarneev, J. Castillo, S. W. Wissink, Z. Xu, A. Stolpovsky, S. Heppelmann, D. Flierl, W. A. Love, Sergey Voloshin, M. Botje, Jay Roberts, B. E. Bonner, Adam Ryszard Kisiel, Vladimir Petrov, C-Q. Li, Basanta Kumar Nandi, K. J. Foley, B. D. Anderson, L. Martin, P. Seyboth, Jeffrey G. Reid, S. Kabana, I. Sakrejda, J. Sowinski, M. Vznuzdaev, Anik Gupta, R. V. Cadman, R. S. Longacre, L. Kotchenda, D. D. Koetke, P. Fachini, R. P. Scharenberg, O. D. Tsai, C. L. Kunz, J. E. Draper, Jianhong Wu, Hao-Ze Chen, C. J. McClain, M. Calderon De La Barca Sanchez, H. S. Matis, H. J. Crawford, C. F. Moore, S. P. Chernenko, Z. P. Zhaomin, M. L. Miller, Frank Jm Geurts, J. P. Coffin, W. J. Llope, Q. J. Liu, J. Baudot, Debasish Das, Raghunath Sahoo, M. Guedon, A. M. VanderMolen, C. A. Whitten, J. H. Thomas, J. E. Gonzalez, Bedangadas Mohanty, O. V. Rogachevski, Marcelo Gameiro Munhoz, D. J. Prindle, R. L. Ray, E. Potrebenikova, P. Szarwas, G. Igo, Vitaly Okorokov, M. J. Mora-Corral, W. W. Jacobs, J. Lauret, G. Eppley, D. Reichhold, Y. V. Zanevski, Xu Cai, C. Roy, J. Zoulkarneeva, Julien Faivre, A. K. Dubey, A. I. Pavlinov, S. Mahajan, B. Yuting, W. T. Waggoner, F. Liu, M. B. Tonjes, Q. Li, A. V. Brandin, Souvik Das, Pawan Kumar Netrakanti, R. Witt, R. Fatemi, S. Lange, L. Molnar, V. Morozov, J. Pluta, Peter Martin Jacobs, S. R. Klein, S. J. Lindenbaum, A. Klyachko, H. Zhang, V. Yu Khodyrev, T. Ljubicic, K. Schweda, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, O. Barannikova, D. L. Olson, S. E. Vigdor, C. A. Gagliardi, H. Caines, Sudhir Raniwala, N.D. Gagunashvili, N. Xu, M. Lopez-Noriega, H. Ward, P. Filip, T. D. Gutierrez, K. Krueger, B. K. Srivastava, I. M. Vasilevski, Christian Claude Kuhn, A. Rose, R. E. Tribble, Madan M. Aggarwal, Yaguo Wang, D. Hardtke, Fuqiang Wang, R. D. Majka, Sevil Salur, P. Chaloupka, B. Lasiuk, M. A. C. Lamont, Sukalyan Chattopadhyay, D. P. Mahapatra, J. Gans, Z. P. Zizong, S. Bhardwaj, B. Surrow, T. Dietel, A. A. Derevschikov, G. D. Westfall, S. B. Nurushev, Z. Milosevich, Mirko Planinic, M. S. Ganti, Boris Hippolyte, Z. M. Wang, M. Oldenburg, Gerald W Hoffmann, M. A. Lisa, S. Margetis, J. Schambach, Yu Chen, C. Perkins, Malgorzata Anna Janik, P. Sorensen, H. Long, W. J. Dong, C. Mironov, R. Picha, Joseph Adams, Y. Fisyak, T. Peitzmann, V. Perevoztchikov, K. Filimonov, E. W. Hughes, J. C. Dunlop, Ian Johnson, G. Van Buren, X. L. Wang, Y. Panebratsev, G. S. Averichev, D. Grosnick, G. Rai, V. I. Yurevich, T. W. Henry, V. V. Belaga, Zubayer Ahammed, M. J. LeVine, Sergey Panitkin, B. I. Bezverkhny, D. Magestro, O. A. Grachov, X. Dong, Sergey Timoshenko, M. Cherney, Z. Z. Xu, J. W. Harris, Frank Simon, A. Bravar, G. Wang, S. K. Badyal, T. D. S. Stanislaus, S. K. Pal, T. W. Ludlam, Peter Graham Jones, R. Lednický, V. A. Nikitin, J. M. Nelson, F. Retiere, Thomas Michael Cormier, G. Skoro, C. Struck, J. Takahashi, J. Putschke, N. G. Minaev, L. S. Schroeder, K. E. Shestermanov, W. Peryt, B. Erazmus, A. Tai, G. Sood, L. Didenko, J. W. Watson, J. Amonett, A. Ogawa, G. J. Kunde, P. Yepes, V. Eckardt, J. Klay, B. V.K.S. Potukuchi, V. Emelianov, A. K. Bhati, D. Keane, S. Gronstal, Shengli Huang, Thomas A. Trainor, Yu-Gang Ma, Nikolai Smirnov, R. Stock, J. Mitchell, L. G. Efimov, T. K. Nayak, L. K. Mangotra, D. Cebra, S. Trentalange, M. Estienne, R. Manweiler, Yu Melnick, H. Bichsel, G. Odyniec, H. M. Spinka, M. Potekhin, David Lynn, H. G. Ritter, A. Hamed, J. G. Ma, A. M. Poskanzer, R. Bellwied, Andre Mischke, D. Thein, L. C. Bland, M. Kopytine, J. Fu, M. Tokarev, H. H. Wieman, A. A. Kuznetsov, L. Liu, J. Engelage, John N. Wood, Premomoy Ghosh, J. M. Landgraf, Olivier Ravel, Z. Liu, M. Strikhanov, P.A. Zolnierczuk, Christina Markert, J. Sandweiss, A. Billmeier, J. G. Cramer, C. O. Blyth, M. Kramer, B. Norman, T. J. Humanic, I.A. Savin, N. T. Porile, R. Varma, Yu A. Matulenko, M. Horsley, B. Stringfellow, T. S. McShane, J. N. Marx, Y. P. Viyogi, H. Z. Huang, A. Kumar, F. Du, Alexander Kovalenko, L. V. Nogach, V. I. Kravtsov, Zhenyu Zhang, W. Shao, R.J.M. Snellings, S. C. Phatak, R. Willson, D. G. Underwood, Lijuan Ruan, T. J. Hallman, Morton Kaplan, T. J. M. Symons, V. Ghazikhanian, J. L. Romero, E. Finch, E. Hjort, J. Carroll, S. K. Nayak, F. Laue, A. Szanto de Toledo, T. Pawlak, J. Porter, R.Kh. Kutuev, J. Berger, O. G. Grebenyuk, and V. B. Dunin
Subjects: Physics, Coalescence (physics), Nuclear and High Energy Physics, Meson production, 010308 nuclear & particles physics, Phi meson, 7. Clean energy, 01 natural sciences, Central region, Spectral line, Nuclear physics, 0103 physical sciences, Transverse momentum, Atomic physics, Nuclear Experiment, 010306 general physics
Abstract: We report the STAR measurement of ϕ meson production in Au + Au and p + p collisions at s N N = 200 GeV . Using the event mixing technique, the ϕ spectra and yields are obtained at mid-rapidity for five centrality bins in Au + Au collisions and for non-singly-diffractive p + p collisions. It is found that the ϕ transverse momentum distributions from Au + Au collisions are better fitted with a single-exponential while the p + p spectrum is better described by a double-exponential distribution. The measured nuclear modification factors indicate that ϕ production in central Au + Au collisions is suppressed relative to peripheral collisions when scaled by the number of binary collisions ( 〈 N bin 〉 ) . The systematics of 〈 p t 〉 versus centrality and the constant ϕ / K − ratio versus beam species, centrality, and collision energy rule out kaon coalescence as the dominant mechanism for ϕ production.
Published: 2005

4. An update from STAR—using strangeness to probe relativistic heavy ion collisions

Author: V. V. Belaga, V. Grigoriev, Z. Xu, Sergey Voloshin, P. Sorensen, R. L. Ray, E. Potrebenikova, M.A. Kramer, R. V. Cadman, Peter Graham Jones, K. J. Foley, F. Laue, A. Szanto de Toledo, T. Ljubicic, Jianhong Wu, H. Caines, E. Sugarbaker, T. Pawlak, V. L. Rykov, Frank Jm Geurts, L. Didenko, G. Eppley, J. Porter, I. Sakrejda, J. Balewski, J. Baudot, Claude Andre Pruneau, J. Pluta, R. Willson, D. G. Underwood, F. Meissner, A. Stolpovsky, R. Lednický, V. A. Nikitin, T. Ullrich, Y. V. Zanevski, R. Zoulkarneev, L. Kotchenda, S. Kabana, K. E. Shestermanov, Jinghui Yang, A. Lebedev, Q. J. Liu, M. M. de Moura, K. Schweda, T. J. Hallman, T. J. M. Symons, S. V. Razin, L. Gaudichet, J. Kiryluk, M. L. Miller, B. Choi, R. E. Tribble, R. S. Longacre, H. Bichsel, M. Castro, Jay Roberts, S. R. Klein, C. Struck, O. Barannikova, D. L. Olson, Gerald W Hoffmann, Yu-Gang Ma, A. Tai, P. Szarwas, J. Takahashi, J. Putschke, G. Odyniec, D. Thein, Alexander Kovalenko, O. A. Grachov, X. Dong, C. L. Kunz, C. F. Moore, J. W. Watson, A. Bravar, Joseph Adams, A. A. Derevschikov, L. V. Nogach, A. H. Tang, R.Kh. Kutuev, J. Berger, S. P. Chernenko, A. Ogawa, M. Kopytine, J. Amonett, W. J. Llope, X. L. Wang, Julien Faivre, J. Klay, V. B. Dunin, A. V. Brandin, Zhongyukun Xu, Thomas A. Trainor, A. Ridiger, Thorsten Sven Kollegger, D. Reichhold, D. Magestro, L. Ruan, V. Trofimov, M. Tokarev, A. Rose, V. Emelianov, A. I. Pavlinov, D. Keane, T. J. Humanic, R. Witt, F. Liu, M. B. Tonjes, S. Heppelmann, D. Flierl, Matthew J. Anderson, Marie Germain, R. P. Scharenberg, S. M. Guertin, S L Huang, Alexandre Alarcon Do Passo Suaide, B. Lasiuk, J. H. Thomas, H. S. Matis, L. Martin, David Lynn, H. Long, Nikolai Smirnov, R. Stock, J. Mitchell, L. G. Efimov, G. Skoro, S. E. Vigdor, G. Igo, J. Zoulkarneeva, Christian Claude Kuhn, V. Morozov, I.A. Savin, W. W. Jacobs, D. D. Koetke, V. Petrov, J. E. Draper, A. N. Zubarev, C. A. Gagliardi, E. Hjort, B. E. Bonner, J. Lauret, B. D. Anderson, O. D. Tsai, D. Hardtke, J. Fu, B. K. Srivastava, Yu Chen, R. D. Majka, N. T. Porile, M. Messer, M.M. Corral, G. S. Averichev, H. H. Wieman, J. Sowinski, S. Stanislaus, J. Marx, Z. M. Wang, M. A. Vasiliev, T. Herston, B. Surrow, S. Margetis, J. Schambach, P. Fachini, J. P. Coffin, O. V. Rogachevski, J. Gans, Boris Hippolyte, H. Ward, W. Christie, J. C. Dunlop, A. I. Kulikov, R. Manweiler, J. Carroll, P. Seyboth, Masashi Kaneta, Fuqiang Wang, H. M. Spinka, Sevil Salur, M. Oldenburg, T. Dietel, W. M. Zhang, Andrey Vasiliev, A. M. Poskanzer, Zubayer Ahammed, J. G. Ma, Y. Panebratsev, M. Shao, M. J. LeVine, V. Ghazikhanian, D. Grosnick, S. Lange, G. Rai, Janet Elizabeth Seger, A. A. Kuznetsov, V. I. Yurevich, J. L. Romero, C. P. Lansdell, Yu A. Matulenko, Frank Simon, S.J. Lindenbaum, L. S. Schroeder, E. Yamamoto, E. Finch, T W Henry, I. Zborovský, R.J.M. Snellings, B. Erazmus, R. Wells, A. P. Meschanin, M. Heinz, Lee Stuart Barnby, F. Retiere, Y. Fisyak, M. Horsley, C Whitten, Ian Johnson, N. G. Minaev, N. Xu, P. Filip, C Li, B. Stringfellow, D. Cebra, N. Schmitz, G. D. Westfall, E. Shahaliev, S. Trentalange, W. A. Love, Malgorzata Anna Janik, Yu Melnick, Marcelo Gameiro Munhoz, D. J. Prindle, H. Zhang, E. J. Stephenson, M. A. Lisa, A. Billmeier, J. G. Cramer, R. Fatemi, K. Krueger, M. Cherney, Thomas Michael Cormier, T. S. McShane, P. Nevski, J. E. Gonzalez, M. Lopez-Noriega, Adam Ryszard Kisiel, Michal Sumbera, H. J. Crawford, A. Ishihara, G. Renault, J. Engelage, C. Suire, V. Faine, John N. Wood, J. Castillo, S. W. Wissink, J. M. Landgraf, V. A. Okorokov, M. Strikhanov, G. Rakness, M. Guedon, A. M. VanderMolen, Guy Paic, E. G. Judd, A. Chikanian, S. S. Shimanskii, P.A. Zolnierczuk, Christina Markert, J. Sandweiss, Z. Liu, A. Boucham, D. Arkhipkin, S. Bekele, C. Roy, C. O. Blyth, A. Klyachko, Vladimir Tikhomirov, P. Chaloupka, B. Norman, G. Van Buren, T. W. Ludlam, J. M. Nelson, W. Peryt, H. G. Ritter, H. Z. Huang, Morton Kaplan, X. Z. Cai, R. Bellwied, A. S. Konstantinov, L. C. Bland, L. Liu, V. M. Leontiev, D. Seliverstov, A. Schüttauf, Olivier Ravel, A. S. Hirsch, Peter Martin Jacobs, P. Kravtsov, C. Adler, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, Jeffrey G. Reid, Hao-Ze Chen, M. Calderon De La Barca Sanchez, Subhasis Chattopadhyay, Q. Li, J. W. Harris, N.D. Gagunashvili, A Cardenas, Z P Zhang, E. Gushin, G. J. Kunde, P. Yepes, V. Eckardt, V. Perevoztchikov, K. Filimonov, Sergey Panitkin, S. U. Pandey, and A. E. Yakutin
Subjects: Nuclear reaction, Physics, Nuclear and High Energy Physics, Particle physics, Strange quark, media_common.quotation_subject, Hadron, Elementary particle, Kinematics, Decoupling (cosmology), Strangeness, Asymmetry, Nuclear physics, Nuclear Experiment, media_common
Abstract: An overview of the strangeness measurements made by the STAR collaboration at RHIC for Au-Au collisions at √s NN = 130 and 200 GeV plus p-p collisions at √s NN = 200 GeV is presented. A wealth of information has been generated on the kinematics and scale of strange particle production by this experiment. When viewed in combination a picture emerges of particles demonstrating a surprisingly high degree of collective motion, suggestive of strong internal pressure within the source which builds up rapidly. The non-resonance yields are consistent with statistical hadron formation. Although there appears to be a rapid decoupling of the source, resonance particle measurements show signs of rescattering during the hadronic phase. Meanwhile the observed suppression of high momentum probes and their large azimuthal asymmetry indicate that this hot dense matter has significant interactions with particles moving through it.
Published: 2003

5. Strange antiparticle-to-particle ratios at mid-rapidity in =130 GeV Au+Au collisions

Author: M. Calderon De La Barca Sanchez, A. Lebedev, R. V. Cadman, Vitaly Okorokov, Frank Jm Geurts, Q. Li, Adam Ryszard Kisiel, T. J. Humanic, H. J. Crawford, I.A. Savin, N. T. Porile, R. Fatemi, Y. Panebratsev, V. Trofimov, C. A. Gagliardi, Q. J. Liu, C. A. Whitten, K. Krueger, G. Rai, Yu A. Matulenko, T. Herston, Fuqiang Wang, C. E. Allgower, M. Horsley, B. Stringfellow, S. Lange, S. J. Lindenbaum, N. Xu, J. Balewski, M. Cherney, H. G. Ritter, Thomas Michael Cormier, Claude Andre Pruneau, W. Christie, G. D. Westfall, A. Billmeier, P. Nevski, J. W. Harris, Malgorzata Anna Janik, V. I. Yurevich, C. Struck, J. Takahashi, J. Putschke, J. W. Watson, A. I. Kulikov, A. Ridiger, Thorsten Sven Kollegger, J. G. Cramer, K. Schweda, T. Ullrich, J. H. Thomas, A. S. Hirsch, Frank Simon, C. Roy, P. Kravtsov, Masashi Kaneta, A. M. Poskanzer, A. Ogawa, R. Bellwied, Thomas A. Trainor, E. Yamamoto, C. Adler, R. Zoulkarneev, A. Stolpovsky, L. Kotchenda, B. Erazmus, A. S. Konstantinov, A. Tai, R. S. Longacre, W. M. Zhang, Andrey Vasiliev, R. Lednický, V. A. Nikitin, Joseph Adams, J. Amonett, V. Grigoriev, T. Dietel, K. E. Shestermanov, R. L. Ray, M. Kramer, A. Klyachko, E. Potrebenikova, M. Heinz, Lee Stuart Barnby, J. Klay, E. Gushin, G. J. Kunde, M. Castro, M. Oldenburg, P. Yepes, V. Eckardt, E. Hjort, D. Magestro, B. Choi, Jeffrey G. Reid, D. Cebra, T. S. McShane, V. Emelianov, Vladimir Tikhomirov, D. Keane, S. Heppelmann, D. Flierl, A. H. Tang, F. Retiere, T. Ljubicic, Nikolai Smirnov, Yu Melnick, N. G. Minaev, Z. J. Xu, R. Stock, J. Mitchell, H. Caines, W. A. Love, L. G. Efimov, Marcelo Gameiro Munhoz, Alexander Kovalenko, L. V. Nogach, Vladimir Petrov, R. P. Scharenberg, S. P. Chernenko, Yu. Ivanshin, V. L. Rykov, Janet Elizabeth Seger, D. J. Prindle, W. J. Llope, G. S. Averichev, L. Martin, H. Zhang, J. Carroll, S. Trentalange, Guy Paic, A. Chikanian, S. S. Shimanskii, G. Igo, E. J. Stephenson, J. N. Marx, B. E. Bonner, Marie Germain, A. Cardenas, O. D. Tsai, H. S. Matis, G. Skoro, G. Rakness, W. W. Jacobs, B. D. Anderson, M. A. Lisa, A. A.P. Suaide, S. M. Guertin, J. E. Draper, Julien Faivre, A. Rose, J. Lauret, L. C. Bland, A. Boucham, B. Lasiuk, V. Ghazikhanian, A. V. Brandin, H. Bichsel, Yu Chen, W. S. Deng, H. Ward, V. Perevoztchikov, G. Odyniec, K. Filimonov, David Lynn, S. E. Vigdor, Christian Claude Kuhn, A. A. Kuznetsov, L. Liu, V. M. Leontiev, Olivier Ravel, Sergey Panitkin, M. Planinic, S. Bekele, J. P. Coffin, O. V. Rogachevski, D. Reichhold, A. I. Pavlinov, F. Liu, M. B. Tonjes, G. Eppley, Subhasis Chattopadhyay, E. G. Judd, A. N. Zubarev, Matthew J. Anderson, E. Sugarbaker, H. Z. Huang, J. Pluta, J. L. Romero, E. Finch, A. Ishihara, V. Morozov, M. Messer, Sevil Salur, Morton Kaplan, S. Margetis, O. A. Grachov, J. G. Ma, B. Surrow, S. U. Pandey, F. Meissner, A. E. Yakutin, C. P. Lansdell, R. Wells, R.J.M. Snellings, P. Seyboth, D. Hardtke, R. D. Majka, Sergey Voloshin, K. J. Foley, G. Van Buren, A. P. Meschanin, N.D. Gagunashvili, A. Bravar, J. Sowinski, R. K. Kutuev, P. Fachini, R. E. Tribble, J. Schambach, Gerald W Hoffmann, H. M. Spinka, T. W. Ludlam, T. W. Henry, J. Baudot, I. Sakrejda, J. M. Nelson, Y. V. Zanevski, N. Schmitz, E. Shahaliev, I. Zborovský, W. Peryt, M. Lopez-Noriega, M. M. de Moura, Y. Fisyak, Ian Johnson, M. L. Miller, D. Seliverstov, A. Schüttauf, M. Guedon, A. M. VanderMolen, Michael A. Thompson, P. Szarwas, V. V. Belaga, Peter Martin Jacobs, Michal Sumbera, G. Renault, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, C. Suire, P. Chaloupka, V. Faine, J. Castillo, P. Sorensen, S. W. Wissink, Peter Graham Jones, L. Didenko, Jinghui Yang, S. R. Klein, O. Barannikova, D. L. Olson, A. A. Derevschikov, D. Thein, H. Long, M. Kopytine, M. Tokarev, M.M. Corral, H. H. Wieman, S. V. Razin, L. Gaudichet, J. Kiryluk, Jay Roberts, C. L. Kunz, F. Laue, A. Szanto de Toledo, C. F. Moore, T. Pawlak, J. C. Dunlop, J. Porter, Zubayer Ahammed, M. J. LeVine, R. Willson, D. G. Underwood, L. S. Schroeder, R. Witt, J. Fu, B. K. Srivastava, I. M. Vasilevski, T. J. Hallman, J. Gans, T. J. M. Symons, Boris Hippolyte, J. Berger, V. B. Dunin, C. O. Blyth, B. Norman, J. Engelage, John N. Wood, J. M. Landgraf, M. Strikhanov, Christina Markert, J. Sandweiss, and Z. Liu
Subjects: Quark, Physics, Nuclear and High Energy Physics, Strange quark, Antiparticle, Particle physics, STAR, Hyperon, Strangeness, Baryochemical potential, Nuclear physics, Baryon, Relativistic heavy-ion collisions, Antibaryon-to-baryon ratios, Rapidity, Nucleon
Abstract: Values of the ratios in the mid-rapidity yields of Λ / Λ =0.71±0.01( stat. )±0.04( sys. ) , Ξ + / Ξ − =0.83±0.04( stat. )±0.05( sys. ) , Ω + / Ω − =0.95±0.15( stat. )±0.05( sys. ) and K + /K − =1.092±0.023(combined) were obtained in central s NN =130 GeV Au+Au collisions using the STAR detector. The ratios indicate that a fraction of the net-baryon number from the initial system is present in the excess of hyperons over antihyperons at mid-rapidity. The trend in the progression of the baryon ratios, with increasing strange quark content, is similar to that observed in heavy-ion collisions at lower energies. The value of these ratios may be related to the charged kaon ratio in the framework of simple quark-counting and thermal models.
Published: 2003

6. The STAR trigger

Author: R. Minor, J. Engelage, J. M. Nelson, J. Schambach, G. Eppley, H. Ward, P. Yepes, L. Greiner, Z. Milosevich, A. S. VanderMolen, G. S. Mutchler, E. G. Judd, F. Meissner, F. S. Bieser, H. J. Crawford, and S. R. Klein
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Physics::Instrumentation and Detectors, Detector, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Star (graph theory), Tracking (particle physics), Nuclear physics, Event selection, Scintillation counter, Quark–gluon plasma, High Energy Physics::Experiment, Instrumentation, STAR detector
Abstract: We describe the trigger system that we designed and implemented for the STAR detector at RHIC. This is a 10 MHz pipelined system based on fast detector output that controls the event selection for the much slower tracking detectors. Results from the first run are presented and new detectors for the 2001 run are discussed.
Published: 2003

7. Strangeness in Au$plus$Au collisions at $\surd$sNN $equal$ 130 GeV observed with the STAR detector

Author: Y. Fisyak, A. Ogawa, Ian Johnson, Christophe Pierre Suire, A. H. Tang, P. Seyboth, Guy Paic, A. Chikanian, S. S. Shimanskii, A. Ridiger, K. Schweda, G. Eppley, A. Stolpovsky, H. Hümmler, Marie Germain, T. S. McShane, M. Šumbera, J. Pluta, V. Ghazikhanian, R. S. Longacre, Michael A. Thompson, L. Kotchenda, C. Struck, A. A.P. Suaide, S. Heppelmann, D. Flierl, A. I. Pavlinov, B. E. Bonner, J. L. Romero, O. D. Tsai, L. Lakehal-Ayat, G. Van Buren, J. Takahashi, J. W. Watson, L. Martin, F. Liu, M. B. Tonjes, A. N. Zubarev, G. Igo, A. Boucham, R. E. Tribble, Gerald W Hoffmann, S. Lee Barnby, M. Castro, Torre Wenaus, R. K. Kutuev, V. Morozov, M. Messer, V. Grigoriev, Q. Li, J. Grabski, K. Krueger, V. S. Shvetcov, Q. J. Liu, C. A. Whitten, Thomas A. Trainor, J. Berger, J. E. Draper, V. Faine, R. L. Ray, J. Castillo, E. Potrebenikova, J. M. Nelson, D. Hardtke, P. Fachini, A. M. van der Molen, S. Bekele, W. Peryt, R. D. Majka, R. V. Cadman, S. W. Wissink, E. Finch, Frank Jm Geurts, B. Choi, B. D. Anderson, J. N. Marx, A. P. Meschanin, C. E. Allgower, V. V. Belaga, J. Fu, B. K. Srivastava, I. M. Vasilevski, Alexander Kovalenko, J. Sowinski, J. Schambach, T. Ljubicic, H. Caines, W. S. Deng, J. P. Coffin, O. V. Rogachevski, V. Perevoztchikov, K. Filimonov, L. V. Nogach, V. L. Rykov, M. Cherney, A. Ishihara, V. B. Dunin, W. Christie, J. Gans, P. Sorensen, S. Lange, E. Sugarbaker, Thomas Michael Cormier, V. Trofimov, Peter Graham Jones, A. I. Kulikov, S. J. Lindenbaum, Yu Chen, H. Z. Huang, Boris Hippolyte, Masashi Kaneta, R. Wells, Morton Kaplan, W. M. Zhang, Andrey Vasiliev, J. Balewski, J. G. Cramer, P. Nevski, Sergey Panitkin, J. C. Dunlop, Claude Andre Pruneau, Sergey Voloshin, L. Didenko, F. Meissner, D. Seliverstov, A. Schüttauf, Jinghui Yang, T. Ullrich, G. lo Curto, Janet Elizabeth Seger, R. Zoulkarneev, K. J. Foley, L. C. Bland, Peter Martin Jacobs, Subhasis Chattopadhyay, Zubayer Ahammed, M. Kramer, K. Turner, M. Guedon, M. J. LeVine, S. Radomski, S. R. Klein, Y. Panebratsev, T. J. Humanic, C. Roy, S. U. Pandey, A. E. Yakutin, O. Barannikova, D. L. Olson, I.A. Savin, N. T. Porile, J. W. Harris, R. P. Scharenberg, G. Rai, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, Mingshui Chen, F. Retiere, A. Klyachko, A. A. Derevschikov, A. Lebedev, S. Margetis, N. Schmitz, H. S. Matis, A. C. Saulys, F. Laue, Yu A. Matulenko, M. Horsley, E. Gushin, G. J. Kunde, Vladimir Tikhomirov, N. G. Minaev, Vladimir Petrov, E. Shahaliev, P. Yepes, V. Eckardt, O. A. Grachov, A. Szanto de Toledo, B. Stringfellow, Z. J. Xu, S. P. Chernenko, L. S. Schroeder, E. G. Judd, Adam Ryszard Kisiel, N. Xu, W. J. Llope, S. Trentalange, J. Baudot, S. V. Razin, E. Hjort, L. Gaudichet, H. J. Crawford, A. Cardenas, J. Kiryluk, N.D. Gagunashvili, Y. V. Zanevski, T. Pawlak, G. D. Westfall, J. Carroll, W. W. Jacobs, Jay Roberts, Malgorzata Anna Janik, J. Porter, B. Lasiuk, C. L. Kunz, M. Lopez-Noriega, H. Long, C. F. Moore, C. P. Lansdell, R.J.M. Snellings, R. Witt, R. Willson, A. Tai, D. G. Underwood, J. Amonett, G. Skoro, M. Heffner, J. Klay, M. Oldenburg, V. Emelianov, D. Keane, D. Reichhold, R. Lednický, Nikolai Smirnov, R. Stock, J. Mitchell, L. G. Efimov, T. J. Hallman, T. J. M. Symons, Yu. Ivanshin, V. A. Nikitin, H. Ward, A. S. Hirsch, M. de la Calderón Barca Sánchez, A. A. Kuznetsov, L. Liu, P. Kravtsov, V. M. Leontiev, Olivier Ravel, C. Adler, K. E. Shestermanov, H. G. Ritter, R. Bellwied, Jeffrey G. Reid, A. S. Konstantinov, B. Erazmus, D. Cebra, Yu Melnick, V. A. Moiseenko, Marcelo Gameiro Munhoz, D. J. Prindle, A. V. Brandin, H. Zhang, E. J. Stephenson, M. A. Lisa, H. M. Spinka, J. H. Thomas, H. Bichsel, S. E. Vigdor, G. Odyniec, G. S. Averichev, Christian Claude Kuhn, Matthew J. Anderson, David Lynn, Lee Stuart Barnby, C. O. Blyth, A. M. Poskanzer, W. A. Love, B. Norman, I. Sakrejda, Vitaly Okorokov, M. Tokarev, H. H. Wieman, J. Engelage, John N. Wood, J. M. Landgraf, M. M. de Moura, M. Strikhanov, M. L. Miller, Christina Markert, J. Sandweiss, Z. Liu, P. Szarwas, E. Yamamoto, C. A. Gagliardi, T. Herston, Fuqiang Wang, V. I. Yurevich, and I. Zborovský
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, High Energy Physics::Phenomenology, Nuclear Theory, Hadron, Strangeness production, Astrophysics::Cosmology and Extragalactic Astrophysics, Strangeness, Spectral line, Nuclear physics, Baryon, Transverse plane, Pion, High Energy Physics::Experiment, Nuclear Experiment, STAR detector
Abstract: The STAR detector has made a variety of measurements of strange and other hadronic species in Au+Au collisions at s N N = 130 GeV. A comparison of kaon and pion production enables an examination of the systematics of strangeness production with energy by comparing them to lower energy collisions. Anti-baryon to baryon ratios indicate a much reduced net-baryon density and transverse momentum spectra show that a picture of transverse expansion seems appropriate.
Published: 2002

8. Neutral strange particle dynamics in Au $plus$ Au collisions at AGS energies

Author: P Chung for the E895 Collaboration, J M Alexander, N N Ajitanand, M Anderson, D Best, F P Brady, T Case, W Caskey, D Cebra, J L Chance, P Chung, B Cole, K Crowe, A C Das, J E Draper, M L Gilkes, S Gushue, M Heffner, A S Hirsch, E L Hjort, L Huo, M Justice, M Kaplan, D Keane, J C Kintner, J Klay, D Krofcheck, Roy A Lacey, J Lauret, M A Lisa, H Liu, Y M Liu, R McGrath, Z Milosevich, G Odyniec, D L Olson, S Panitkin, C Pinkenburg, N T Porile, G Rai, H G Ritter, J L Romero, R Scharenberg, L Schroeder, B Srivastava, N T B Stone, T J M Symons, J Whitfield, T Wienold, R Witt, L Wood, and W N Zhang
Subjects: Physics, Nuclear and High Energy Physics, Strange quark, Space time, Gaussian, Dynamics (mechanics), Magnitude (mathematics), Scattering length, Radius, Nuclear physics, symbols.namesake, Pion, symbols, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment
Abstract: The E895 Collaboration has investigated a number of mixed-particle correlations involving neutral strange particles (K0s and Λ) in 2, 4, 6 and 8 A GeV Au + Au collisions at the AGS. The first measurements for pΛ correlations indicate a correlation magnitude of about 50% with a 26 MeV width. Detailed comparisons between data and theory suggest an emitting source with an effective Gaussian radius close to 4.5 fm. This radius is much larger than the value of 2.8 fm predicted by the relativistic transport code ART. Pairs of pK0, π−Λ and π−K0 are found to display essentially zero correlation at 6 A GeV. The latter observations are not unexpected considering that the proton–K0 interaction has a very small scattering length and there are no very well known interactions between pions and Λs or K0s.
Published: 2002

9. Midrapidity Antiproton-to-Proton Ratio fromAu+AuCollisions atsNN=130GeV

Author: Sergey Voloshin, J. Engelage, K. J. Foley, R. S. Longacre, J. M. Landgraf, M. Strikhanov, N. Xu, C. Roy, J. Sandweiss, G. D. Westfall, J. Baudot, B. Erazmus, J. Castillo, Y. V. Zanevski, Malgorzata Anna Janik, G. Igo, J. Carroll, D. M. Moltz, S. W. Wissink, A. A. Kuznetsov, C. O. Blyth, B. Norman, A. Klyachko, A. Maliszewski, H. M. Spinka, V. M. Leontiev, Olivier Ravel, R. Wells, V. A. Nikitin, K. Turner, T. Ullrich, D.E. Greiner, A. C. Saulys, K. E. Shestermanov, D. Cebra, Y. Fisyak, P. Fachini, A. Ogawa, Ian Johnson, V. S. Shvetcov, C. A. Whitten, Z. Z. Xu, T. J.M. Symons, E. Platner, A. Stolpovsky, H. Hümmler, W. Pinganaud, Jay Roberts, P. Leszczynski, S. Lange, T. Herston, S. J. Lindenbaum, Adam Ryszard Kisiel, P. Seyboth, Lee Stuart Barnby, Yu Melnick, L. Kotchenda, W. Christie, Vladimir Tikhomirov, S. Y. Panitkin, R. Bossingham, M. Lopez-Noriega, H. J. Crawford, J. G. Cramer, C. L. Kunz, B. Choi, A. Szanto de Toledo, C. F. Moore, H. G. Ritter, M. Castro, J. Lamas-Valverde, N. Schmitz, A. I. Kulikov, Matthew J. Anderson, R. Bellwied, A. S. Konstantinov, H. Bichsel, G. Odyniec, V. Trofimov, A. P. Meschanin, K. Krueger, Alexander Kovalenko, L. V. Nogach, R. Witt, E. Yamamoto, J. H. Thomas, L. Conin, G. Skoro, A. A.P. Suaide, Christophe Pierre Suire, Masashi Kaneta, M. Heffner, W. M. Zhang, Andrey Vasiliev, J. C. Dunlop, S. Radomski, S. Trentalange, C. E. Allgower, Zubayer Ahammed, V. Ghazikhanian, M. J. LeVine, A. H. Tang, W. A. Love, Joakim Nystrand, M. Cherney, John Z. H. Zhang, Thomas Michael Cormier, Vladimir Petrov, E. G. Judd, P. Nevski, T. Pawlak, David Lynn, L. Madansky, M. Kramer, G. S. Averichev, S. P. Chernenko, W. J. Llope, T. S. McShane, I. Sakrejda, E. Sugarbaker, A. Cardenas, Janet Elizabeth Seger, H. Z. Huang, D. Russ, Yu Chen, Fuqiang Wang, G. S. Mutchler, C. P. Lansdell, R.J.M. Snellings, J. Porter, L. S. Schroeder, Guy Paic, A. Chikanian, S. S. Shimanskii, J. Mitchell, B. Lasiuk, J. Grabski, A. I. Pavlinov, H. Long, Frank Jm Geurts, M. B. Tonjes, V. Morozov, P. Szarwas, V. I. Yurevich, J. N. Marx, D. Hardtke, F. Laue, R. D. Majka, A. V. Brandin, J. Sowinski, B. K. Srivastava, I. M. Vasilevski, J. Berger, J. Gans, E. Finch, Boris Hippolyte, S. E. Vigdor, V. A. Moiseenko, T. J. Humanic, Christian Claude Kuhn, A. Boucham, Marcelo Gameiro Munhoz, D. J. Prindle, I.A. Savin, N. T. Porile, V. B. Dunin, S. Bekele, E. J. Stephenson, M. A. Lisa, Yu A. Matulenko, M. Horsley, B. Stringfellow, A. Ishihara, R. Willson, D. G. Underwood, A. M. VanderMolen, D. Reichhold, T. J. Hallman, A. M. Poskanzer, A. Vanyashin, M. Tokarev, H. H. Wieman, A. S. Hirsch, P. Kravtsov, C. Adler, C. Struck, J. Takahashi, A. Ridiger, Torre Wenaus, Jeffrey G. Reid, Thomas A. Trainor, Morton Kaplan, R. P. Scharenberg, H. S. Matis, C. A. Ogilvie, W. W. Jacobs, D. Seliverstov, A. Schüttauf, Subhasis Chattopadhyay, Peter Martin Jacobs, S. Heppelmann, S. V. Razin, D. Flierl, H. Ward, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, L. Martin, G. Van Buren, R. K. Kutuev, J. M. Nelson, H. Stroebele, W. Peryt, J. E. Draper, N.D. Gagunashvili, J. P. Coffin, O. V. Rogachevski, V. Perevoztchikov, Alexander Khodinov, L. C. Bland, S. U. Pandey, A. E. Yakutin, J. W. Harris, E. Gushin, G. J. Kunde, P. Yepes, V. Eckardt, A. Yokosawa, G. Eppley, J. Pluta, Q. Li, Gerald W Hoffmann, Mingshui Chen, Thomas LeCompte, W. S. Deng, S. Margetis, O. A. Grachov, V. Grigoriev, R. L. Ray, E. Potrebenikova, V. V. Belaga, T. Ljubicic, F. Retiere, N. G. Minaev, H. Caines, V. L. Rykov, Peter Graham Jones, L. Didenko, J. Schambach, E. L. Hjort, J. Balewski, M. C. de la Barca Sánchez, A. Lebedev, M. M. de Moura, Marie Germain, Claude Andre Pruneau, Y. Panebratsev, G. Rai, A. N. Zubarev, R. Zoulkarneev, J. Klay, Jinghui Yang, G. LoCurto, S. R. Klein, O. Barannikova, D. L. Olson, M. DeMello, M. Oldenburg, V. Emelianov, A. A. Derevschikov, D. Keane, Nikolai Smirnov, R. Stock, L. G. Efimov, Yu. Ivanshin, B. E. Bonner, O. D. Tsai, and M. I. Ferguson
Subjects: Physics, Range (particle radiation), Particle physics, Proton, General Physics and Astronomy, Baryon, Nuclear physics, Pair production, Antiproton, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, Nucleon, Energy (signal processing)
Abstract: We report results on the ratio of mid-rapidity anti-proton to proton yields in Au+Au collisions at $\rts = 130$ GeV per nucleon pair as measured by the STAR experiment at RHIC. Within the rapidity and transverse momentum range of $|y
Published: 2001

10. Small angle particle–particle correlation measurements in the reactions 280 MeV ArAl and 670 MeV MnC

Author: D. Peterson, C. Brown, Emanuele Vardaci, M. A. McMahan, J. Whitfield, Christopher Dykstra, Paul DeYoung, Paul J. Karol, Morton Kaplan, Z. Milosevich, and Matthew Barton
Subjects: Physics, Nuclear and High Energy Physics, Angular momentum, Statistical model, Spectral line, medicine.anatomical_structure, Angular momentum coupling, medicine, Particle, Atomic physics, Nuclear Experiment, Spin (physics), Nucleus, Excitation
Abstract: Small-angle particle–particle correlations were measured in the two matching reactions 280 MeV 40 Ar + 27 Al and 670 MeV 55 Mn + 12 C. These two reactions were used to produce the composite nucleus, 67 Ga∗, at the same initial excitation energy of 127 MeV, but with different entrance channel angular momentum distributions. A simple trajectory model was used to compute the average emission times between various particle pairs, and comparisons with the data show that there is a significant difference in the deexcitation of the composite nucleus formed from the two reactions. Statistical model calculations were compared to the experimental observations with the added constraint that the model input parameters were consistent with those derived from observed charged-particle energy spectra and angular distributions. It was found that the calculated correlation functions were insensitive to the input spin distributions, but agreed fairly well with the data from the lower-spin system. The higher-spin reaction data were poorly reproduced by the calculations.
Published: 2001

11. Directed Flow ofΛHyperons in(2–6)AGeVAu+AuCollisions

Author: M. A. Lisa, S. Y. Panitkin, N. T. B. Stone, H. G. Ritter, L. S. Schroeder, D. Best, David Krofcheck, E. Hjort, T. Wienold, T. Case, D. Keane, P. Chung, N. N. Ajitanand, G. Rai, J. L. Chance, Morton Kaplan, D. Cebra, F. P. Brady, G. Odyniec, S. Gushue, J. Whitfield, Y. M. Liu, Z. Milosevich, R. Witt, M. L. Gilkes, B. K. Srivastava, T. J. M. Symons, J. L. Romero, L. Wood, Brian Cole, Matthew J. Anderson, N. T. Porile, R. P. Scharenberg, J. Lauret, R. L. McGrath, J. M. Alexander, A. C. Das, H. Liu, J. L. Klay, Roy A. Lacey, M. Heffner, A. S. Hirsch, J. E. Draper, W. N. Zhang, M. Justice, Kenneth M. Crowe, D. L. Olson, W. Caskey, J. C. Kintner, Lei Huo, and C. Pinkenburg
Subjects: Nuclear reaction, Physics, Nuclear Theory, Hadron, Hyperon, General Physics and Astronomy, Elementary particle, Lambda baryon, Lambda, Baryon, Nuclear physics, Atomic physics, Nuclear Experiment, Nucleon
Abstract: Directed flow measurements for {Lambda} hyperons are presented and compared to those for protons produced in the same Au+Au collisions (2A, 4A, and 6AGeV; b
Published: 2001

12. Λ flow and Λ-P correlation in Au + Au collisions at AGS energies

Author: C. Law, A. S. Hirsch, J. Whitfield, F. P. Brady, G. Odyniec, N. N. Ajitanand, J. E. Draper, K.M. Crowe, Lei Huo, W. N. Zhang, J. Lauret, N T B Stone, James Alexander, M. L. Gilkes, L. Wood, H. G. Ritter, Brian Cole, Matthew J. Anderson, J L Chance, M. Heffner, R. P. Scharenberg, A. C. Das, Y. M. Liu, H. Liu, Morton Kaplan, S. Y. Panitkin, Roy A. Lacey, C. Pinkenburg, S Gushue, T. J. M. Symons, E. L. Hjort, M. A. Lisa, M. Justice, D. Cebra, D. L. Olson, W. Caskey, Z. Milosevich, J. C. Kintner, R. Witt, L. S. Schroeder, B. K. Srivastava, D. Keane, P. Chung, G. Rai, T. Case, J. Klay, D. Best, J. L. Romero, David Krofcheck, N. T. Porile, and R. L. McGrath
Subjects: Quark, Physics, Nuclear and High Energy Physics, Scattering, Nuclear Theory, Hyperon, Magnitude (mathematics), Nuclear physics, Flow ratio, Transverse plane, Flow (mathematics), Atomic physics, Nuclear Experiment, Beam (structure)
Abstract: Transverse and radial flow measurements are presented for Λ hyperons along with Λ-P correlations from Au + Au collisions at AGS energies. The flow measurements are compared with those of co-produced protons. The measurements indicate that Λ hyperons flow consistently in the same direction as protons but with a smaller magnitude for all beam energies. Comparisons with RQMD calculations show that the experimentally determined Λ sideward flow is consistently larger compared with the calculated value obtained from scattering processes only. The experimental transverse flow ratio Λ/P is consistent with predictions ( 2/3) of the quark counting rule at 2 A GeV but is found to decrease with increasing beam energy. These observations may be related to the detailed features of the Λ-nucleon potential for the nuclear densities produced. At 6 A GeV, Λp correlation functions are observed to be essentially flat (within statistical uncertainty), indicating little or no correlation between Λs and co-produced protons. This suggests that Λs may have a spacetime emission pattern which is different from that for protons. Further evidence from radial flow measurements also indicates that 6 A GeV Λ hyperons (at mid-rapidity) do not share the same emitting source characteristics as co-produced protons.
Published: 2001

13. Elliptic Flow inAu+AuCollisions at√sNN=130GeV

Author: N. Stone, Christophe Pierre Suire, A. Lebedev, B. Miller, M. M. de Moura, M. Dialinas, P. Middlekamp, J. Scheblien, V. Ghazikhanian, A. Etkin, A. H. Tang, A. P. Meschanin, R.Kh. Kutuev, J. Berger, J. L. Romero, V. Fine, J. Engelage, T. J. Humanic, Peter J. Lindstrom, D. Zimmerman, I.A. Savin, N. T. Porile, Yu A. Matulenko, M. Horsley, Thomas LeCompte, B. Stringfellow, J. Sedlmeir, L. Smykov, E. Finch, T. S. McShane, J. W. Harris, Joakim Nystrand, V. B. Dunin, J. Grabski, P. Seyboth, D. Dayton, C. J. Liaw, R. Bossingham, J. N. Marx, C. Drancourt, S. Tonse, W. S. Deng, J. G. Cramer, R. A. Scheetz, A. Stolpovsky, H. Hümmler, L. Kotchenda, G. Koehler, E. Gushin, G. J. Kunde, P. Yepes, V. Eckardt, M. Kramer, A. I. Pavlinov, Y. Panebratsev, D. Grosnick, Granville Ott, G. Eppley, A. V. Brandin, V. Trofimov, J. M. Landgraf, M. Strikhanov, K. Krueger, M. B. Tonjes, E. I. Shakaliev, A. Yokosawa, Jinghui Yang, E. Sugarbaker, J. Hunter, H. Z. Huang, V. Morozov, A. Tarchini, S. V. Razin, K. Wilson, G. Rai, Y. Shi, G. Van Buren, J. M. Nelson, P. A. DeYoung, J. Pluta, C. Roy, H. Stroebele, J. Carroll, C. Byrd, N. Xu, G. D. Westfall, D. Padrazo, R. Wells, C. Struck, W. Pinganaud, D. Hardtke, F. Laue, J.F. Amsbaugh, Jay Roberts, N. Adams, David Fritz, J. Sandweiss, G. LoCurto, A. C. Saulys, S. R. Klein, C. E. Allgower, R. D. Majka, J. Zhu, Sergey Voloshin, J. Sowinski, Matthew Nguyen, W. Peryt, J. Takahashi, J. Wolf, C. Feliciano, Y. Fisyak, L. Greiner, K. J. Foley, J. Schambach, E. L. Hjort, S. Pirogov, A. Ogawa, Ian Johnson, Krista M. Marks, S. E. Vigdor, Vladimir Petrov, C. L. Kunz, Z. Li, O. Barannikova, D. L. Olson, F. P. Brady, Gerald W Hoffmann, S. P. Chernenko, D. Seliverstov, A. Schüttauf, Christian Claude Kuhn, W. J. Llope, Q. Li, C. O. Blyth, C. F. Moore, M. Cherney, H. Fessler, W. Christie, Thomas Michael Cormier, D.E. Greiner, T. Krupien, Torre Wenaus, Masashi Kaneta, Ross Schlueter, W. M. Zhang, Andrey Vasiliev, D. Hill, Richard C. Jared, M. Calderón de la Barca Sánchez, R. Weidenbach, T. Nguyen, A. Cardenas, Peter Martin Jacobs, N. Schmitz, S. Chatopadhyay, P. Nevski, M. Lopez-Noriega, A. Klyachko, R. Witt, E. Yamamoto, J. Klay, Thomas A. Trainor, W. R. Edwards, P. Sappenfield, N.D. Gagunashvili, J. Baudot, E. A. Matyushevski, P. Kuczewski, J. C. Dunlop, A. A. Derevschikov, K. Olchanski, V. I. Danilov, C. P. Lansdell, Wilfred J. Braithwaite, E. Mogavero, R.J.M. Snellings, Janet Elizabeth Seger, J. Lin, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, B. Lasiuk, J. Wisdom, Y. V. Zanevski, F. Retiere, W. Hunt, V. Kormilitsyne, D. Russ, B. E. Bonner, J. T.M. Chrin, G. S. Mutchler, H. Diaz, J. R. Hall, Zubayer Ahammed, G. A. Ososkov, M. J. LeVine, B. Norman, J. Gross, H. Long, K. Bradley, Yu Chen, Wen-Chang Chen, N. G. Minaev, O. D. Tsai, R. P. Scharenberg, Marie Germain, R. Seymour, M. A. Howe, B. Choi, R. Marstaller, W. Betts, Vladimir Tikhomirov, Salahuddin Ahmad, I. Polk, H. S. Matis, G. C. Harper, A. S. Hirsch, P. Kravtsov, A. Maliszewski, Alexander Kovalenko, L. V. Nogach, L. C. Bland, S. Bennett, H. J. Crawford, I. Vakula, C. Adler, F. S. Bieser, L. Wood, A. N. Zubarev, C. A. Ogilvie, G. Brugalette, V. S. Shvetcov, L. S. Schroeder, J. Meier, H. Liu, S. U. Pandey, A. E. Yakutin, I. Flores, Morton Kaplan, V. Perevotchikov, C. A. Whitten, M. Pentia, Marek Gazdzicki, L. Lakehal-Ayat, D. Lopiano, S. Trentalange, A. Ridiger, W. W. Jacobs, M. I. Ferguson, J. Lamas-Valverde, C. Gojak, M. Botlo, Guy Paic, I. Sakrejda, T. Ngo, E. Platner, B. Minor, V. Lindenstruth, V. A. Nikitin, S. Heppelmann, D. Flierl, Ma Bloomer, John Z. H. Zhang, A. Chikanian, S. S. Shimanskii, J. Mitchell, E. G. Judd, L. Martin, Jeffrey G. Reid, B. K. Srivastava, I. M. Vasilevski, K. E. Shestermanov, V. V. Belaga, Lincoln D. Carr, J. Gans, S. Lange, L. Arnold, Boris Hippolyte, G. Skoro, M. Heffner, J. E. Draper, J. Puskar-Pasewicz, R. Morse, V. Grigoriev, J. P. Coffin, O. V. Rogachevski, N. Bouillo, M. DeMello, S. J. Lindenbaum, N. Mikhalin, A. Boucham, H. Ward, M. Oldenburg, Peter Graham Jones, R. L. Ray, V. Emelianov, D. Keane, A. R. Baldwin, A. A. P. Suaide, L. Didenko, Damien Bonnet, Nikolai Smirnov, R. Stock, S. Y. Panitkin, E. Potrebenikova, W. J. Leonhardt, S. Bekele, S. Bouvier, V. P. Kenney, L. G. Efimov, Frank Jm Geurts, Yu. Ivanshin, J. Castillo, S. W. Wissink, R. L. Brown, W. Dominik, P. Jensen, A. Ishihara, T. Ljubicic, Alexander Khodinov, Robert Stone, M. Tokarev, G. Guilloux, Robert R. J. Maier, D. DiMassimo, E. Anderssen, A. M. VanderMolen, H. H. Wieman, H. Caines, S. Jacobson, D. Shuman, R. Willson, D. G. Underwood, J. Wirth, D. Reichhold, T. J. Hallman, T. J. M. Symons, K. Turner, A. Szanto de Toledo, A. M. Poskanzer, J. Tarzian, P. He, K. Solberg, T. Pawlak, A. Vanyashin, Z. Sandler, B. Caylor, R. S. Longacre, V. L. Rykov, J. Porter, G. Igo, J. Seyboth, P. Fachini, D. D. Weerasundara, Mingshui Chen, M. Grau, S. Margetis, O. A. Grachov, M. Schulz, J. R. Lutz, Rainer Arno Ernst Renfordt, J. Balewski, H. G. Ritter, Claude Andre Pruneau, H. Arnesen, R. Zoulkarneev, R. Bellwied, A. S. Konstantinov, K. H. Ackermann, D. M. Moltz, A. A. Kuznetsov, Ivan Kotov, T. Noggle, V. M. Leontiev, Olivier Ravel, J. Whitfield, T. Ullrich, D. Roehrich, B. Erazmus, Z. Z. Xu, D. Cebra, C. Consiglio, M. Beddo, Yu Melnick, P. Leszczynski, J. Bercovitz, T. Herston, J. Riso, Lee Stuart Barnby, V. A. Moiseenko, Marcelo Gameiro Munhoz, D. J. Prindle, E. J. Stephenson, M. A. Lisa, W. A. Love, T. Nussbaum, Daniel Ferenc, Fuqiang Wang, H. Bichsel, G. Odyniec, V. I. Yurevich, E. S. Braithwaite, J. Boehm, T. Eggert, David Lynn, L. Madansky, R. Sanchez, J. Dioguardi, J. H. Thomas, L. Conin, G. Visser, G. S. Averichev, C. P. McParland, H. M. Spinka, J. Rasson, Chinh Vu, and Matthew J. Anderson
Subjects: Physics, Particle physics, Time projection chamber, Hadron, Elliptic flow, General Physics and Astronomy, Observable, Particle accelerator, Charged particle, law.invention, Nuclear physics, law, Pseudorapidity, Nuclear Experiment, Relativistic Heavy Ion Collider
Abstract: Elliptic flow from nuclear collisions is a hadronic observable sensitive to the early stages of system evolution. We report first results on elliptic flow of charged particles at midrapidity in Au+Au collisions at √(sNN) = 130 GeV using the STAR Time Projection Chamber at the Relativistic Heavy Ion Collider. The elliptic flow signal, v₂, averaged over transverse momentum, reaches values of about 6% for relatively peripheral collisions and decreases for the more central collisions. This can be interpreted as the observation of a higher degree of thermalization than at lower collision energies. Pseudorapidity and transverse momentum dependence of elliptic flow are also presented.
Published: 2001

14. Antiflow ofKs0Mesons in6AGeVAu+AuCollisions

Author: James Alexander, E. Hjort, A. S. Hirsch, T. Case, H. G. Ritter, F. P. Brady, G. Odyniec, J. L. Romero, N. T. Porile, M. A. Lisa, Kenneth M. Crowe, H. Liu, N. T. B. Stone, Brian Cole, Matthew J. Anderson, L. S. Schroeder, R. L. McGrath, R. P. Scharenberg, R. Witt, A. C. Das, W. N. Zhang, N. N. Ajitanand, B. K. Srivastava, J. Lauret, J. L. Klay, Roy A. Lacey, M. Justice, M. Heffner, Lei Huo, S. Gushue, M. L. Gilkes, J. Whitfield, T. Wienold, S. Y. Panitkin, C. Pinkenburg, Morton Kaplan, L. Wood, J. L. Chance, D. Cebra, J. E. Draper, Z. Milosevich, D. L. Olson, W. Caskey, Y. M. Liu, T. J. M. Symons, G. Rai, D. Keane, P. Chung, D. Best, David Krofcheck, and J. C. Kintner
Subjects: Nuclear reaction, Physics, Range (particle radiation), Meson, 010308 nuclear & particles physics, Hadron, General Physics and Astronomy, Elementary particle, Nuclear matter, 01 natural sciences, Nuclear physics, 0103 physical sciences, Impact parameter, 010306 general physics, Boson
Abstract: We have measured the sideward flow of neutral strange (K{sup 0}{sub s} ) mesons in 6A GeV Au +Au collisions. A prominent antiflow signal is observed for an impact parameter range (b(less-or-similar sign)7 fm ) which spans central and midcentral events. Since the K{sup 0}{sub s} scattering cross section is relatively small in nuclear matter, this observation suggests that the in-medium kaon vector potential plays an important role in high density nuclear matter. (c) 2000 The American Physical Society.
Published: 2000

15. Sideward Flow inAu+AuCollisions between2Aand8AGeV

Author: H. Liu, N. N. Ajitanand, J. Alexander, M. Anderson, D. Best, F. P. Brady, T. Case, W. Caskey, D. Cebra, J. Chance, B. Cole, K. Crowe, A. Das, J. Draper, M. Gilkes, S. Gushue, M. Heffner, A. Hirsch, E. Hjort, L. Huo, M. Justice, M. Kaplan, D. Keane, J. Kintner, J. Klay, D. Krofcheck, R. Lacey, M. A. Lisa, Y. M. Liu, R. McGrath, Z. Milosevich, G. Odyniec, D. Olson, S. Y. Panitkin, N. Porile, G. Rai, H. G. Ritter, J. Romero, R. Scharenberg, L. S. Schroeder, B. Srivastava, N. T. B. Stone, T. J. M. Symons, S. Wang, J. Whitfield, T. Wienold, R. Witt, L. Wood, X. Yang, W. N. Zhang, and Y. Zhang
Subjects: Physics, Azimuth, Nuclear physics, Range (particle radiation), Time projection chamber, Flow (mathematics), Orientation (geometry), General Physics and Astronomy, Nuclear Experiment, Anisotropy, Fourier series, Beam (structure)
Abstract: Using the large acceptance Time Projection Chamber of experiment E895 at Brookhaven, measurements of collective sideward flow in Au+Au collisions at beam energies of 2A, 4A, 6A, and 8A GeV are presented in the form of in-plane transverse momentum and the first Fourier coefficient of azimuthal anisotropy v(1). These measurements indicate a smooth variation of sideward flow as a function of beam energy. The data are compared with four nuclear transport models which have an orientation towards this energy range. All four exhibit some qualitative trends similar to those found in the data, although none show a consistent pattern of agreement within experimental uncertainties.
Published: 2000

16. Bombarding Energy Dependence ofπ−Interferometry at the Brookhaven AGS

Author: G. Odyniec, S. Gushue, E. Hjort, D. Best, T. Case, W. N. Zhang, T. J. M. Symons, J. L. Romero, H. G. Ritter, R. P. Scharenberg, David Krofcheck, Y. M. Liu, J. L. Chance, Kenneth M. Crowe, M. L. Gilkes, D. Cebra, A. C. Das, H. Liu, Brian Cole, Matthew J. Anderson, J. L. Klay, Roy A. Lacey, F. P. Brady, J. E. Draper, M. Heffner, J. Whitfield, D. Keane, P. Chung, A. S. Hirsch, J. Lauret, N. N. Ajitanand, M. A. Lisa, J. C. Kintner, G. Rai, S. Y. Panitkin, Russell Wells, J. M. Alexander, R. Witt, L. Wood, B. K. Srivastava, D. L. Olson, W. Caskey, N. T. B. Stone, M. Justice, N. T. Porile, R. L. McGrath, L. S. Schroeder, Lei Huo, C. Pinkenburg, Z. Milosevich, T. Wienold, and Morton Kaplan
Subjects: Physics, Nuclear physics, Excitation function, Mean field theory, Reaction dynamics, General Physics and Astronomy, Alternating Gradient Synchrotron, Sensitivity (control systems), Atomic physics, Nuclear Experiment, Nuclear matter, Intensity (heat transfer), Energy (signal processing)
Abstract: We present the first excitation function of ${\ensuremath{\pi}}^{\ensuremath{-}}$ intensity interferometry at Alternating Gradient Synchrotron (AGS) energies (2--8 A GeV). The sensitivity of the multidimensional correlation functions to the geometry and dynamics of the pion-emitting system provides a stringent test of transport models of heavy ion collisions. Detailed comparisons with a realistic transport model, both with and without an explicit nuclear mean field, suggest that the beam energy evolution in the reaction dynamics is different in the model than in the data. A significantly increased ${\ensuremath{\pi}}^{\ensuremath{-}}$ emission time scale, which has been suggested as a signal of the onset of the transition to quark-gluon plasma, is not observed.
Published: 2000

17. The STAR Time Projection Chamber

Author: K.H. Ackermann, N. Adams, C. Adler, M. Aluyshin, M.A. Ananeva, M. Anderson, G. Averichev, A. Bacher, J. Balewski, O. Balrannikova, J. Baudot, S. Bekele, R. Bellwied, S. Bennett, J. Berger, W. Betts, H. Bichsel, F. Bieser, L. Bland, C. Blyth, A. Bogdanov, B.E. Bonner, R. Bossingham, A. Boucham, S. Bouvier, F.P. Brady, E. Braithwaite, W. Braithwaite, R.L. Brown, V. Budilov, C. Byrd, H. Caines, N. Carlin, J. Carroll, D. Cebra, M.-L. Chen, W. Chen, Y. Chen, S. Chernenko, M. Cherney, A. Chikanian, J.T.M. Chrin, W. Christie, J.-P. Coffin, L. Conin, T.M. Cormier, J. Cramer, H.J. Crawford, A. Das, W. Deng, A.A. Derevschikov, L. Didenko, W. Dominik, J.E. Draper, V. Dunin, J. Dunlop, H. Dyke, W.R. Edwards, V. Eckardt, A.V. Efremov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, A. Etkin, P. Fachini, V. Faine, M.I. Ferguson, H. Fessler, E. Finch, Y. Fisyak, D. Flierl, K.J. Foley, D. Fritz, N. Gagunashvili, M. Germain, V. Ghazikhanian, M. Gilkes, S. Giliberto, J. Grabski, O. Grachov, D. Greiner, L.C. Greiner, V. Grigoriev, E. Gushin, H. Gutbrod, T.J. Hallman, D. Hardtke, J.W. Harris, M. Heffner, S. Heppelmann, A. Hirsch, E. Hjort, G.W. Hoffmann, M. Horsley, H. Huang, T. Humanic, H. Huemmler, T. Huyck, G.J. Igo, Yu.I. Ivanshin, P. Jacobs, W. Jacobs, S. Jacobson, R. Jared, P. Jones, E.G. Judd, F. Jundt, M. Kaplan, V. Kaplin, D. Keane, V. Khodyrev, J. Klay, S. Klein, L. Kolobashkina, A. Konstantinov, L. Kotchenda, I. Kotov, M. Kramer, P. Kravtsov, C. Kuhn, G.J. Kunde, R. Kutuev, M. Lamont, J.S. Lange, B. Lasiuk, F. Laue, A. Lebedev, Z. Lee, T. LeCompte, B. Leonhardt, V. Leontiev, null Leszczynski, M.J. LeVine, Q. Li, Z. Li, C.J. Liaw, J. Lin, S.J. Lindenbaum, H. Liu, M. Lisa, A. Ljubicic, W. Llope, G. LoCurto, H. Long, R.S. Longacre, W.A. Love, J.R. Lutz, D. Lynn, L. Madansky, R. Majka, T.M. Makarenko, A. Maliszewski, S. Margetis, K. Marks, L. Martin, J. Marx, H.S. Matis, Yu. Matulenko, T.S. McShane, A. Meshanin, Yu. Melnik, A. Michalon, B. Miller, Z. Milosevich, N. Minaev, R.M. Minor, J. Mitchell, V.A. Moiseenko, D. Moltz, C.F. Moore, M.G. Munhoz, G.S. Mutchler, J.M. Nelson, P. Nevski, V. Nikitin, B. Nilsen, L. Nogach, S. Nurushev, J. Nystrand, G. Odyniec, A. Ogawa, C.A. Ogilvie, V. Okorokov, D. Olson, A. Oltchak, G. Ott, G. Paic, S. Pandey, Y. Panebratsev, S.Y. Panitkin, A. Pavlinov, T. Pawlak, W. Peryt, V. Perevoztchikov, V.A. Petrov, Yu. Petukhov, W. Pinganaud, E. Platner, J. Pluta, N. Porile, J. Porter, A.M. Poskanzer, M. Przewlocki, D. Prindle, E. Potrebenikova, C. Pruneau, G. Rai, O. Ravel, R.L. Ray, D. Razin, S. Razin, J. Reid, F. Retiere, A. Ridiger, J. Riso, H.-G. Ritter, J.B. Roberts, D. Roehrich, O. Rogachevskiy, A. Rollefson, J.L. Romero, C. Roy, M. Runco, D.E. Russ, V. Rykov, I. Sakrejda, P. Saltz, J. Sandweiss, A.C. Saulys, I. Savin, J.J. Schambach, R.P. Scharenberg, N. Schmitz, L.S. Schroeder, A. Schuettauf, M. Schulz, J. Seger, D. Seliverstov, J. Seyboth, P. Seyboth, A. Shalnov, K. Shestermanov, Y. Shi, V.S. Shvetsov, I.N. Silin, N. Smirnoff, R. Snellings, L. Soloviev, J. Sowinski, H.M. Spinka, B. Srivastava, E. Stephenson, R. Stock, M. Strikhanov, B. Stringfellow, H. Stroebele, C. Struck, E. Sugarbaker, C. Suire, A. Sustich, T.J. Symons, E.M. Szanto, A. Szanto de Toledo, J. Takahashi, A. Tang, D. Thein, J.H. Thomas, V. Tikhomirov, V. Tikhonov, M.B. Tonjes, T. Trainor, S. Trentalange, M. Tokarev, V. Trofimov, O. Tsai, C. Tull, K. Turner, T. Ullrich, D.G. Underwood, G. VanBuren, A.M. VanderMolen, A. Vanyashin, A. Vasiliev, I.M. Vasilevski, S. Vigdor, S. Voloshin, C.Q. Vu, F. Wang, H.J. Ward, D. Weerasundra, R. Wells, T. Wenaus, G.D. Westfall, J.P. Whitfield, C. Whitten, H. Wieman, R. Willson, S. Wissink, R. Witt, L. Wood, N. Xu, Z. Xu, A. Yakutin, E. Yamamoto, J. Yang, P. Yepes, A. Yokosawa, V. Yurevich, J. Zhang, W.M. Zhang, N. Zhidkov, D. Zimmerman, R. Zoulkarneev, A. Zubarev, Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Laboratoire SUBATECH Nantes (SUBATECH), Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and STAR
Subjects: Physics, Nuclear and High Energy Physics, Time projection chamber, Physics::Instrumentation and Detectors, business.industry, 010308 nuclear & particles physics, Track (disk drive), Resolution (electron density), Observable, Star (graph theory), Engineering physics, 01 natural sciences, Particle identification, 030218 nuclear medicine & medical imaging, 03 medical and health sciences, Stars, 0302 clinical medicine, Optics, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], 0103 physical sciences, Data analysis, Nuclear Experiment, business, 010306 general physics
Abstract: The STAR Time Projection Chamber was successfully operated during the first RHIC run in 2000. Most of the STAR contributions reported in these proceedings are based on the analysis of data from the TPC. In this article, we show that the performance achieved by the TPC, in terms of track reconstruction, position resolution, and particle identification are well suited for measuring precise and reliable physics observables.
Published: 1999

18. Results from the experiment E895 at the BNL AGS

Author: N. T. Porile, M. A. Lisa, P. Chung, J. L. Romero, S. Y. Panitkin, D. Keane, N T B Stone, Y. M. Liu, G. Rai, Yufeng Zhang, S. Gushue, K. Crowe, R. P. Scharenberg, N.N. Ajitanand, T. Case, J. Klay, Brian Cole, G. Odyniec, D. Best, D. L. Olson, R. L. McGrath, T. Wienold, Morton Kaplan, J. L. Chance, R. Lacey, David Krofcheck, M. Heffner, D. Cebra, J. C. Kintner, C. Pinkenburg, J. Whitfield, L. Wood, W. Caskey, Z. Milosevich, James Alexander, T. J. M. Symons, E. L. Hjort, X. Yang, L. S. Schroeder, Andrew S. Hirsch, M. Anderson, R. Witt, M. Justice, W. N. Zhang, M.L. Gilkes, Hans Georg Ritter, S. Wang, F. P. Brady, B. K. Srivastava, L. Huo, R. Wells, A. C. Das, H. Liu, and J. E. Draper
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Time projection chamber, Physics::Instrumentation and Detectors, Detector, Observable, Context (language use), Particle identification, Nuclear physics, Nuclear Experiment, Event (particle physics), Beam (structure), Excitation
Abstract: We present some of the latest results from the E895 experiment conducted at the BNL AGS accelerator. Au+Au collisions were recorded by the EOS Time Projection Chamber (TPC) at beam energies of 2, 4, 6, and 8 A GeV. The TPC detector permitted the reconstruction of individual collision events with almost 4π acceptance and good particle identification. This capability allowed E895 to study global observables and two particle correlations with respect to symmetries of the event. Flow excitation functions are examined and discussed in the context of the Nuclear Equation of State.
Published: 1999

19. Elliptic Flow: Transition from Out-of-Plane to In-Plane Emission inAu+AuCollisions

Author: M. L. Gilkes, Wei Zhang, R. Witt, D. Keane, P. Chung, J. Lauret, James Alexander, J. Whitfield, J. L. Chance, S. Y. Panitkin, D. Cebra, N. T. Porile, K. Crowe, R. L. McGrath, Pol Bernard Gossiaux, Pawel Danielewicz, J. C. Kintner, H. G. Ritter, M. Heffner, W. Caskey, L. S. Schroeder, J. L. Romero, G. Rai, A. C. Das, R. P. Scharenberg, H. Liu, M. A. Lisa, Roy A. Lacey, J. Klay, D. Best, N T B Stone, Brian Cole, D. L. Olson, G. Odyniec, C. Law, E. L. Hjort, L. Wood, F. P. Brady, S. Gushue, C. Pinkenburg, T. Case, J. E. Draper, David Krofcheck, M. Justice, Y. M. Liu, T. J. M. Symons, M. Anderson, B. K. Srivastava, L. Huo, Andrew S. Hirsch, N. N. Ajitanand, A. Elmaani, Z. Milosevich, T. Wienold, and Morton Kaplan
Subjects: Physics, Excitation function, Range (particle radiation), Proton, 010308 nuclear & particles physics, Nuclear Theory, Elliptic flow, General Physics and Astronomy, 7. Clean energy, 01 natural sciences, Boltzmann equation, Out of plane, Nuclear physics, Baryon, 0103 physical sciences, Physics::Accelerator Physics, Atomic physics, Nuclear Experiment, 010306 general physics, Beam (structure)
Abstract: We have measured the proton elliptic flow excitation function for the Au + Au system spanning the beam energy range 2 -- 8 AGeV. The excitation function shows a transition from negative to positive elliptic flow at a beam energy, $E_{tr} \sim$ 4 AGeV. Detailed comparisons with calculations from a relativistic Boltzmann-equation are presented. The comparisons suggest a softening of the nuclear equation of state (EOS) from a stiff form (K \sim 380 MeV) at low beam energies (E_{Beam} \le 2 AGeV) to a softer form (K \sim 210 MeV) at higher energies (E_{Beam} \ge $ 4 AGeV) where the calculated baryon density $ \rho \sim 4 \rho_0$.
Published: 1999

20. Collective flow in Au+Au collisions between 2–8 A GeV at AGS

Author: G. Odyniec, R. Scharenberg, J. Chance, D. Krofcheck, T. Case, P. Chung, B. Srivastava, J. Draper, L. Wood, D.A. Cebra, T. Wienold, H. Liu, A. Das, L. Huo, D. Best, J. Kintner, N.T.B. Stone, N.N. Ajitanand, M. Kaplan, D. Keane, L. Schroeder, J. Romero, H.G. Ritter, C. Pinkenburg, M. Gilkes, T.J.M. Symons, M. Heffner, Z. Milosevich, A.S. Hirsch, J. Alexander, R. Lacey, S. Wang, W.N. Zhang, D. Olson, N. Porile, Y. Zhang, K. Crowe, M. Justice, Y. M. Liu, R. McGrath, E. Hjort, W. Caskey, X. Yang, S. Y. Panitkin, J. Whitfield, M. Lisa, S. Gushue, B. Cole, F.P. Brady, and G. Rai
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Mean field theory, Flow (mathematics), Transverse momentum, Observable, Function (mathematics), Statistical physics, Nuclear Experiment, Beam energy
Abstract: The E895 collaboration has undertaken a systematic and exclusive study of Au+Au collisions between 2–8 A GeV. We present preliminary results on collective flow observables as a function of beam energy. Data are compared with theoretical predictions.
Published: 1998

21. Small angle particle-particle correlations measurements in the reactions 280 MeV 40Ar + 27Al and 55Mn + 12C

Author: Z. Milosevich, VARDACI, EMANUELE, P. De Young, C. M. Brown, M. Kaplan, J. P. Whitfield, D. Peterson, C. Dykstra, M. Barton, P. J. Karol, M. A. McMahan, Z., Milosevich, Vardaci, Emanuele, P., De Young, C. M., Brown, M., Kaplan, J. P., Whitfield, D., Peterson, C., Dykstra, M., Barton, P. J., Karol, and M. A., Mcmahan
Subjects: small angle correlations, compound nuclear reactions, statistical model
Abstract: Small-angle particle–particle correlations were measured in the two matching reactions 280 MeV 40Ar + 27Al and 670 MeV 55Mn + 12C. These two reactions were used to produce the composite nucleus, 67Ga*, at the same initial excitation energy of 127 MeV, but with different entrance channel angular momentum distributions. A simple trajectory model was used to compute the average emission times between various particle pairs, and comparisons with the data show that there is a significant difference in the deexcitation of the composite nucleus formed from the two reactions. Statistical model calculations were compared to the experimental observations with the added constraint that the model input parameters were consistent with those derived from observed charged-particle energy spectra and angular distributions. It was found that the calculated correlation functions were insensitive to the input spin distributions, but agreed fairly well with the data from the lower-spin system. The higher-spin reaction data were poorly reproduced by the calculations.
Published: 2001

22. The STAR experiment at the relativistic heavy ion collider

Author: J.W. Harris, D.L. Adams, N. Added, S. Ahmad, S.A. Akimenko, B.D. Anderson, G.T. Anderson, R.M. Anjos, A. Aprahamian, Yu.I. Arestov, E. Atkin, A. Baldwin, V. Baublis, M.E. Beddo, N.I. Belikov, R. Bellwied, V.I. Belousov, S. Bennett, J. Bercovitz, I. Bertram, J. Bielecki, F. Bieser, N.N. Biswas, M.A. Bloomer, B.E. Bonner, P.P. Brady, W.J. Braithwaite, L. Braun, J.A. Buchanan, N. Carlin, J.B. Carroll, D.A. Cebra, A.D. Chacon, C.S. Chan, K-S. Chan, S.I. Chase, M.G. Cherney, R.K. Choudhury, W. Christie, B.V. Chujko, J.M. Clement, M.D. Corcoran, T.M. Cormier, J.G. Cramer, H.J. Crawford, A.M. Davidenko, J.W. Dawson, R. Debbe, A.A. Derevschikov, P.A. De Young, W. Dominik, L. Dou, J.E. Drape, I. Duck, W.R. Edwards, S.E. Eiseman, J.M. Engelage, S.V. Erin, A. Etkin, D. Ferenc, I. Flores, K.J. Foley, Z. Fraenkel, A. French, E. Friedlander, D. Fritz, U. Garg, M. Gazdzicki, V. Ghazikhanian, G. Glass, W. Gong, O.A. Grachov, J. Grebiezkow, D. Greiner, L.C. Greiner, E. Grimson, D.P. Grosnick, V. Grushin, V.J. Guarino, W.N. Haberichter, R.W. Hackenburg, J. Hall, T.J. Hallman, W.E. Hearn, D.A. Hill, N. Hill, A.S. Hirsch, E. Hjort, G.W. Hoffmann, H. Huang, T.J. Humanic, G.J. Igo, P.M. Jacobs, R. Jayanti, P.G. Jones, E. Judd, M.L. Justice, K. Kadija, M. Kaplan, P.J. Karol, T. Kasprzyk, D. Keane, V.P. Kenney, A. Khodinov, S.A. Kleinfelder, A.S. Konstantinov, D. Kostin, I. Kotov, V. Kozlov, M.A. Kramer, V. Kuryatkov, R.L. LaPierre, B. Lasiuk, A. Lebedev, M.J. Le Vine, Q. Li, S.J. Lindenbaum, V. Lindenstruth, P.J. Lindstrom, A. Ljubicic, W.J. Llope, R.S. Longacre, D.X. Lopiano, W.A. Love, L. Madansky, S. Margetis, J. Marx, H.S. Matis, Yu.A. Matulenko, C.P. McParland, T.S. McShane, A.P. Meschanin, Z. Milosevich, N. Miphtakhov, K. Mirk, J. Mitchell, J.L. Mitchell, C.F. Moore, S. Mordechai, R. Morse, J. Murgatroyd, G.S. Mutchler, A.I. Mysnick, J. Nasiatka, C.J. Naudet, A. Nazarov, V. Nevolin, T.L. Noggle, S. Novikov, S.B. Nurushev, G. Odyniec, C. Ogilvie, D.L. Olson, A. Oltchak, E. Onishenko, E. Paganis, G. Paic, A.I. Pavlinov, T. Pawlak, W. Peryt, E. Petereit, E.D. Platner, J. Pluta, A.Yu. Polyarush, N.T. Porile, A.M. Poskanzer, D. Prindle, T. Prokofyeva, C. Pruneau, G. Rai, J. Rasson, R.L. Ray, D. Read, R.E. Renfordt, P.J. Riley, H-G. Ritter, J.B. Roberts, D. Roehrich, G. Roger, A.A. Rollefson, J.L. Romero, A.I. Ronzhin, V.L. Rykov, I. Sakrejda, A.C. Saulys, J.J. Schambach, R.P. Scharenberg, L.S. Schroeder, J.E. Seger, V.A. Sergeev, D. Seymour, A. Shalnov, Y.P. Shao, J. Sheen, K.E. Shestermanov, D. Shuman, A. Simakov, L.F. Soloviev, H.M. Spinka, B.K. Srivastava, R. Stock, R. Stone, M. Strikhanov, B. Stringfellow, H. Stroebele, A.T. Sustich, T.J.M. Symons, E.M. Szanto, A.Szanto de Toledo, Yu. Sytsko, J.-L. Tang, S. Tarakanov, M.L. Tincknell, M. Toy, T.A. Trainor, S. Trentalange, O.D. Tsay, I. Tserruya, A.G. Ufimtsev, D.G. Underwood, A. Vander Molen, A. Vanyashin, A.N. Vasiliev, G. Vilkelis, Yu. Volkov, S. Voloshin, D. Vranic, H.J. Ward, J.W. Watson, R.C. Welsh, S. Wenig, G. Westfall, J. Whitfield, C.A. Whitten, H. Wieman, K. Wilson, D.C. Wold, K.L. Wolf, P. Yepes, A. Yokosawa, W. Zhang, K.H. Zhao, X.-Z. Zhu, Y. Zhu, and V.E. Zyrin
Subjects: Quark, Nuclear physics, Physics, Nuclear and High Energy Physics, Strange matter, Particle physics, Pair production, Relativistic plasma, Quark–gluon plasma, Elementary particle, Relativistic Heavy Ion Collider, Gluon
Published: 1994

23. Light-charged-particle emission in the matched reactions 280 MeV 40Ar + 27Al and 670 MeV 55Mn + 12C: Coincidence results

Author: C. M. Brown, Z. Milosevich, M. Kaplan, VARDACI, EMANUELE, P. De Young, J. P. Whitfield, D. Peterson, C. Dykstra, P. J. Karol, M. A. McMahan, C. M., Brown, Z., Milosevich, M., Kaplan, Vardaci, Emanuele, P., De Young, J. P., Whitfield, D., Peterson, C., Dykstra, P. J., Karol, and M. A., Mcmahan
Subjects: fusion- evaporation, light charged particle emission, statistical model
Abstract: Exclusive measurements of light-charged-particle (1H,2H, and 4He) energy spectra, angular distributions, and emission multiplicities are reported for the two reactions 40Ar+27Al and 55Mn+12C at a matched excitation energy of 127 MeV. Comparisons are made with statistical model predictions for the evaporative processes in these reactions, which can be characterized as emissions from rotational-energy-dominated systems. The model simulations do well in reproducing a broad range of angular distribution data and the 4He/1H cross-section ratio, using spin distributions derived from fusion cross-section systematics. The same model parameters, however, predict particle energy spectra and coincidence cross sections which are inconsistent with the measurements for both reactions. These results support previous conclusions from model comparisons with inclusive data, and suggest fundamental flaws in the statistical model as applied to light-mass, high-spin, nuclear systems.
Published: 2000

24. Light-charged-particle emission in the matched reactions 280 MeV 40Ar + 27Al and 670 MeV 55Mn + 12C: Inclusive studies

Author: C. M. Brown, Z. Milosevich, M. Kaplan, VARDACI, EMANUELE, P. De Young, J. P. Whitfield, D. Peterson, C. Dykstra, P. J. Karol, M. A. McMahan, C. M., Brown, Z., Milosevich, M., Kaplan, Vardaci, Emanuele, P., De Young, J. P., Whitfield, D., Peterson, C., Dykstra, P. J., Karol, and M. A., Mcmahan
Subjects: fusion-evaporation, light charged particle evaporation, statistical model, high spin states
Abstract: In order to test the statistical model’s ability to predict the behavior of relatively light mass systems (A≈67) with large angular momenta, two matched heavy ion nuclear reactions were used to produce 67Ga* composite nuclei at an excitation energy of 127 MeV. Light charged particles (protons, deuterons, tritons, and α particles) were used as probes to characterize the composite systems and track the deexcitation processes. From these measurements, energy spectra, cross sections, angular distributions, anisotropy ratios, and particle multiplicities were deduced. Measuring many degrees of freedom provides a stringent test for the statistical models. What is found is that models which did well in predicting the behavior of heavy composite systems (A≈150), are unable to simultaneously reproduce energy spectra, angular distributions, and particle multiplicities for the lighter systems (A≈67), where angular momentum plays a dominant role. This implies that more rigorous models and/or additional physics are needed to understand the behavior of the hot, high-spin nuclear matter in this mass region.
Published: 1999

25. Determination of nuclear charge resolution of a thin film detector using a 252Cf fission fragment source

Author: M.L. Muga, R.L. Coldwell, and Z. Milosevich
Subjects: Physics, Nuclear and High Energy Physics, Resolution (mass spectrometry), Fission, Detector, Coincidence, Effective nuclear charge, Ion, Nuclear physics, Atomic physics, Thin film, Nuclear Experiment, Luminescence, Instrumentation
Abstract: Little quantitative information is available regarding the ability of a thin film detector (TFD) to determine the nuclear charge of a low energy heavy mass ion. To compare the nuclear charge resolving power Z / ΔZ of the TFD to other heavy ion detectors, an experiment was performed where the TFD luminescence response to 252 Cf fission fragments was recorded in coincidence with the gamma de-excitation of the fragments. With this technique, the TFD nuclear charge resolving power Z / ΔZ was determined to be 25.2 for the light mass fragment group.
Published: 1992

26. Performance of a three-element thin film detector

Author: R.B. Piercey, G.J. Bamford, M.L. Muga, R.L. Coldwell, P.S. Haskins, and Z. Milosevich
Subjects: Physics, Mass number, Nuclear and High Energy Physics, Isotopes of germanium, Physics::Instrumentation and Detectors, Detector, Scintillator, Charged particle, Effective nuclear charge, Ion, High Energy Physics::Experiment, Thin film, Atomic physics, Instrumentation
Abstract: A nuclear charged particle detector has been designed and fabricated at the University of Florida for use in identifying the nuclear charge Z and mass number A of low energy (∼1 MeV/amu) heavy mass ions. The detector consists of a stack of three sequential thin film detectors (made from NE-102A plastic scintillator) for three successive measurements of the specific luminescence ΔL/Δx and velocity of a transiting ion and a terminal surface barrier detector for measuring the ion residual energy. This detector assembly was tested by measuring its response to various isotopes of germanium and selenium ions accelerated to selected energies between 53 and 169 MeV and then scattered from a thin gold target foil. The tests were performed to obtain quantitative information on the ability of the detector system to identify the nuclear Z of an impinging ion and to test the 0810 1076 V 3 advantage of having three successive measurements of ΔL/Δx from three sequential and independent thin film detectors. It was determined that below 2 MeV/amu the detector response was dependent on particle velocity but independent of particle mass and below about 0.9 MeV/amu the detector was not able to distinguish between ions having two units difference in Z, probably due to similarities in ionic charge state distributions. It was also determined that the use of three detectors reduced the FWHM of the TFD response by 54%.
Published: 1992

27. A large-area, scintillation telescope for heavy ions

Author: Andrew G. Weisenberger, J.E. McKisson, A. V. Ramayya, M.L. Muga, R.B. Piercey, Z. Milosevich, D.W. Ely, Stanislaw Majewski, and P. Agnvall
Subjects: Physics, Nuclear and High Energy Physics, Scintillation, Spectrometer, Physics::Instrumentation and Detectors, business.industry, Detector, Scintillator, Particle detector, law.invention, Telescope, Nuclear physics, Optics, Nuclear Energy and Engineering, law, Scintillation counter, Measuring instrument, Electrical and Electronic Engineering, business
Abstract: The design and laboratory testing of a large-area, scintillation telescope (LAST) for the detection of heavy ions are discussed. This dual, thin-film detector is to be used as a fast event trigger, Delta E, and time-of-flight spectrometer at the focal plane of the Argonne Fragment Mass Analyzer (FMA). The thin scintillator films in each of the LAST detector modules have dimensions of approximately 1 in by 3 in. This is large enough to completely cover the active area of the focal plane of the FMA. Preliminary measurements indicate that Delta E measurements in each of the foils taken alone or in conjunction with data from other detectors could be used to determine the nuclear Z of the transisting ions. The durability and excellent timing characteristics of plastic scintillators make the LAST detector particularly valuable for high-rate applications such as secondary beam measurements. >
Published: 1990

28. Probing the Degrees of Freedom in Hot Composite Nuclei: Systematics of Charged Particle Evaporation

Author: M. Kaplan, J. B. Downer, J. P. Whitfield, C. M. Brown, Z. Milosevich, P. J. Karol, C. Copi, P. De Young, VARDACI, EMANUELE, G. Nebbia, M.N. Namboodiri, M., Kaplan, J. B., Downer, J. P., Whitfield, C. M., Brown, Z., Milosevich, P. J., Karol, Vardaci, Emanuele, C., Copi, and P., De Young
Subjects: statistical model, Charged Particle Evaporation, Hot Composite Nuclei
Published: 1996

29. Probing the Degrees of Freedom In Hot Composite Nuclei - Systematics of Charged-particle Evaporation

Author: M. KAPLAN, C. M. BROWN, J. B. DOWNER, Z. MILOSEVICH, J. P. WHITFIELD, VARDACI, EMANUELE, M., Kaplan, C. M., Brown, J. B., Downer, Z., Milosevich, Vardaci, Emanuele, and J. P., Whitfield
Subjects: EVAPORATION BARRIERS, STATISTICAL MODEL, CHARGED PARTICLE EVAPORATION
Published: 1995

30. Probing the Degrees of Freedom in Hot Composite Nuclei Via Charged Particle Emission Studies

Author: Z. Milosevich, Joanna B. Downer, Morton Kaplan, Craig Copi, Emanuele Vardaci, J. Whitfield, C. Brown, Paul De Young, W. Bauer, A. Mignerey, M., Kaplan, C. M., Brown, J. B., Downer, Z., Milosevich, Vardaci, Emanuele, J. P., Whitfield, C., Copi, and P., De Young
Subjects: Physics, Set (abstract data type), statistica model, Excited state, Composite number, Degrees of freedom (physics and chemistry), Experimental data, Observable, Statistical model, Hot Composite Nuclei, charged particle evaporation, Charged particle, Computational physics
Abstract: There are many experimental observables whose measurement can provide information on evaporative particle emission from highly excited composite nuclei. Simultaneous observations of several degrees of freedom in such hot systems allows a stringent test of theoretical models by requiring that the calculations reproduce the multiple characteristics with a unique set of model input parameters. We make such comparisons for two data sets, one involving a relatively heavy (high Z) system and the other referring to a relatively light (low Z) system. For the former case, reasonably good agreement is achieved between statistical model calculations and experimental data, whereas for the latter example, significant inconsistencies are found.
Published: 1995

31. Distributions of Charged Hadrons Associated with High Transverse Momentum Particles inppandAu+AuCollisions atsNN=200 GeV

Author: S. Mahajan, V. Ghazikhanian, Q. Li, J. L. Romero, R. Willson, D. G. Underwood, Lijuan Ruan, E. Finch, Sergey Voloshin, L. C. Bland, Q. J. Liu, K. J. Foley, C. A. Whitten, A. Tai, G. Sood, C-Q. Li, A. K. Dubey, J. Amonett, T. J. Hallman, M. J. Mora-Corral, X. L. Wang, P. Sorensen, B. I. Bezverkhny, E. Sugarbaker, D. Thein, G. Eppley, Xu Cai, T. J. M. Symons, J. Pluta, J. Klay, B. D. Anderson, A. A. Kuznetsov, Souvik Das, R. E. Tribble, Gerald W Hoffmann, R. P. Scharenberg, M. Heinz, Lee Stuart Barnby, R. Witt, O. A. Grachov, X. Dong, B. Yuting, S. Lange, A. Bravar, H. S. Matis, S. K. Pal, L. Liu, J. Baudot, Olivier Ravel, M. Kopytine, J. Fu, Z. P. Zhaomin, G. Van Buren, V. Emelianov, A. K. Bhati, D. Keane, S. Gronstal, R. S. Longacre, A. Billmeier, S. J. Lindenbaum, K. Schweda, Y. V. Zanevski, Z. P. Zizong, V. Yu Khodyrev, Nikolai Smirnov, R. Stock, J. Mitchell, L. G. Efimov, F. Meissner, M. Tokarev, J. G. Cramer, J. Balewski, Rashmi Raniwala, W. W. Jacobs, R. Fatemi, T. K. Nayak, B. K. Srivastava, I. M. Vasilevski, Claude Andre Pruneau, T. W. Ludlam, N. Xu, P. Filip, E. Hjort, C. O. Blyth, R.Kh. Kutuev, C. Roy, A. N. Zubarev, J. Berger, Debasish Das, Raghunath Sahoo, K. Krueger, J. Gans, S. Bhardwaj, T. Ullrich, Boris Hippolyte, J. M. Nelson, T. D. S. Stanislaus, J. Lauret, Y. Panebratsev, R. Zoulkarneev, G. D. Westfall, G. Rakness, R. Picha, D. Grosnick, A. Stolpovsky, D. A. Morozov, J. Carroll, H. H. Wieman, S. Kabana, M. Kramer, O. G. Grebenyuk, W. Peryt, G. Igo, J. Zoulkarneeva, M. Vznuzdaev, B. Norman, C. Perkins, G. Rai, S. V. Razin, Joseph Adams, Malgorzata Anna Janik, P. Fachini, S. K. Nayak, R. Wells, L. K. Mangotra, R. Manweiler, L. Gaudichet, L. Molnar, H. G. Ritter, V. B. Dunin, J. Kiryluk, R. L. Ray, E. Potrebenikova, T. Peitzmann, P. Seyboth, Z. Xu, A. Klyachko, L. Kotchenda, D. Magestro, J. W. Harris, Z. Z. Xu, T. J. Humanic, M. Cherney, Thomas Michael Cormier, A. Ridiger, Thorsten Sven Kollegger, Jay Roberts, Anik Gupta, W. Christie, R. V. Cadman, N.D. Gagunashvili, T. Ljubicic, R. Bellwied, M. R. Dutta Majumdar, Yaguo Wang, A. M. Poskanzer, E. G. Judd, S. Heppelmann, H. Ward, V. V. Belaga, D. Flierl, Jianhong Wu, W. A. Love, H. Caines, Sudhir Raniwala, I.A. Savin, Frank Jm Geurts, C. L. Kunz, A. I. Kulikov, G. Skoro, N. T. Porile, Sukalyan Chattopadhyay, G. J. Kunde, P. Yepes, V. Eckardt, T. Dietel, Vladimir Petrov, Renaud Vernet, M. S. Ganti, L. Martin, Andre Mischke, W. M. Zhang, Andrey Vasiliev, C. F. Moore, F. Retiere, Peter Martin Jacobs, S. P. Chernenko, B. E. Bonner, J. Engelage, W. J. Llope, P. Chaloupka, N. Schmitz, Mirko Planinic, D. D. Koetke, J. E. Draper, C. J. McClain, J. E. Gonzalez, N. G. Minaev, M. Shao, Peter Graham Jones, Bedangadas Mohanty, W. T. Waggoner, E. Shahaliev, R. Varma, O. D. Tsai, J. C. Dunlop, V. Perevoztchikov, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, K. Filimonov, E. W. Hughes, R. N. Singaraju, A. P. Meschanin, Yu A. Matulenko, John N. Wood, L. Didenko, F. Laue, A. Szanto de Toledo, A. Rose, Vitaly Okorokov, Zubayer Ahammed, M. J. LeVine, A. H. Tang, B. Lasiuk, Guy Paic, M. Horsley, Janet Elizabeth Seger, Premomoy Ghosh, C. Mironov, J. P. Coffin, O. V. Rogachevski, A. Chikanian, S. S. Shimanskii, Y. Fisyak, H. Long, Sergey Panitkin, B. Stringfellow, Ian Johnson, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, T. Pawlak, T. S. McShane, S. K. Badyal, D. K. Mishra, Manish Sharma, T. W. Henry, J. M. Landgraf, Z. Liu, Sevil Salur, Pawan Kumar Netrakanti, Adam Ryszard Kisiel, M. Lopez-Noriega, A. Boucham, D. P. Mahapatra, L. S. Schroeder, D. Arkhipkin, S. R. Klein, J. Porter, R. Lednický, H. J. Crawford, V. A. Nikitin, Yu Chen, S. Bekele, J. Speltz, O. Barannikova, D. L. Olson, K. E. Shestermanov, M. Strikhanov, P. A. Żołnierczuk, C. A. Gagliardi, A. A. Derevschikov, Morton Kaplan, T. Herston, Michal Sumbera, G. Renault, J. N. Marx, A. Ishihara, Christina Markert, J. Sandweiss, Sergey Timoshenko, B. V.K.S. Potukuchi, Yu-Gang Ma, A. Lebedev, C. Suire, Madan M. Aggarwal, A. S. Hirsch, M. M. de Moura, Fuqiang Wang, M. Oldenburg, H. Jiang, Y. P. Viyogi, V. Faine, P. Kravtsov, C. Adler, Basanta Kumar Nandi, J. Castillo, S. W. Wissink, C. Struck, V. I. Yurevich, M. Botje, J. Takahashi, A. M. VanderMolen, J. Putschke, J. W. Watson, Frank Simon, G. Wang, Jeffrey G. Reid, J. Sowinski, A. Ogawa, Shengli Huang, Thomas A. Trainor, D. Reichhold, A. I. Pavlinov, F. Liu, M. B. Tonjes, V. Morozov, T. D. Gutierrez, D. Hardtke, R. D. Majka, Z. M. Wang, S. Margetis, J. Schambach, H. Z. Huang, B. Erazmus, A. Kumar, F. Du, I. Sakrejda, Alexander Kovalenko, L. V. Nogach, V. I. Kravtsov, J. H. Thomas, Zhenyu Zhang, G. S. Averichev, D. Cebra, W. Shao, H. M. Spinka, S. Trentalange, M. Estienne, Yu Melnick, M. L. Miller, R.J.M. Snellings, S. C. Phatak, H. Bichsel, G. Odyniec, M. Potekhin, P. Szarwas, Julien Faivre, A. V. Brandin, David Lynn, J. C. Webb, S. E. Vigdor, Christian Claude Kuhn, B. Surrow, A. Hamed, J. G. Ma, E. Yamamoto, Marcelo Gameiro Munhoz, D. J. Prindle, H. Zhang, M. A. Lisa, W. J. Dong, Hao-Ze Chen, and M. Calderon De La Barca Sanchez
Subjects: Physics, Quantum chromodynamics, Energy loss, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Hadron, General Physics and Astronomy, 01 natural sciences, Nuclear physics, 0103 physical sciences, Transverse momentum, Perpendicular, High Energy Physics::Experiment, Multiplicity (chemistry), Atomic physics, Nuclear Experiment, 010306 general physics, Jet quenching
Abstract: Charged hadrons in 0.15 4 GeV/c are reconstructed in pp and Au+Au collisions at {radical}(s{sub NN})=200 GeV. The associated multiplicity and p{sub perpendicular} magnitude sum are found to increase from pp to central Au+Au collisions. The associated p{sub perpendicular} distributions, while similar in shape on the nearside, are significantly softened on the awayside in central Au+Au relative to pp and not much harder than that of inclusive hadrons. The results, consistent with jet quenching, suggest that the awayside fragments approach equilibration with the medium traversed.
Published: 2005

32. Event-wise〈pt〉fluctuations in Au-Au collisions atsNN=130GeV

Author: J. Adams, C. Adler, M. M. Aggarwal, Z. Ahammed, J. Amonett, B. D. Anderson, M. Anderson, D. Arkhipkin, G. S. Averichev, S. K. Badyal, J. Balewski, O. Barannikova, L. S. Barnby, J. Baudot, S. Bekele, V. V. Belaga, R. Bellwied, J. Berger, B. I. Bezverkhny, S. Bhardwaj, P. Bhaskar, A. K. Bhati, H. Bichsel, A. Billmeier, L. C. Bland, C. O. Blyth, B. E. Bonner, M. Botje, A. Boucham, A. Brandin, A. Bravar, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, J. Carroll, J. Castillo, M. Castro, D. Cebra, P. Chaloupka, S. Chattopadhyay, H. F. Chen, Y. Chen, S. P. Chernenko, M. Cherney, A. Chikanian, B. Choi, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, D. Das, S. Das, A. A. Derevschikov, L. Didenko, T. Dietel, X. Dong, J. E. Draper, F. Du, A. K. Dubey, V. B. Dunin, J. C. Dunlop, M. R. Dutta Majumdar, V. Eckardt, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, P. Fachini, V. Faine, J. Faivre, R. Fatemi, K. Filimonov, P. Filip, E. Finch, Y. Fisyak, D. Flierl, K. J. Foley, J. Fu, C. A. Gagliardi, M. S. Ganti, T. D. Gutierrez, N. Gagunashvili, J. Gans, L. Gaudichet, M. Germain, F. Geurts, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, O. Grachov, V. Grigoriev, S. Gronstal, D. Grosnick, M. Guedon, S. M. Guertin, A. Gupta, E. Gushin, T. J. Hallman, D. Hardtke, J. W. Harris, M. Heinz, T. W. Henry, S. Heppelmann, T. Herston, B. Hippolyte, A. Hirsch, E. Hjort, G. W. Hoffmann, M. Horsley, H. Z. Huang, S. L. Huang, T. J. Humanic, G. Igo, A. Ishihara, P. Jacobs, W. W. Jacobs, M. Janik, I. Johnson, P. G. Jones, E. G. Judd, S. Kabana, M. Kaneta, M. Kaplan, D. Keane, J. Kiryluk, A. Kisiel, J. Klay, S. R. Klein, A. Klyachko, D. D. Koetke, T. Kollegger, A. S. Konstantinov, M. Kopytine, L. Kotchenda, A. D. Kovalenko, M. Kramer, P. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, G. J. Kunde, C. L. Kunz, R. Kh. Kutuev, A. A. Kuznetsov, M. A. C. Lamont, J. M. Landgraf, S. Lange, C. P. Lansdell, B. Lasiuk, F. Laue, J. Lauret, A. Lebedev, R. Lednický, V. M. Leontiev, M. J. LeVine, C. Li, Q. Li, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Z. Liu, Q. J. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, T. Ludlam, D. Lynn, J. Ma, Y. G. Ma, D. Magestro, S. Mahajan, L. K. Mangotra, D. P. Mahapatra, R. Majka, R. Manweiler, S. Margetis, C. Markert, L. Martin, J. Marx, H. S. Matis, Yu. A. Matulenko, T. S. McShane, F. Meissner, Yu. Melnick, A. Meschanin, M. Messer, M. L. Miller, Z. Milosevich, N. G. Minaev, C. Mironov, D. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, M. J. Mora-Corral, V. Morozov, M. M. de Moura, M. G. Munhoz, B. K. Nandi, S. K. Nayak, T. K. Nayak, J. M. Nelson, P. Nevski, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, G. Paic, S. U. Pandey, S. K. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, V. Perevoztchikov, W. Peryt, V. A. Petrov, S. C. Phatak, R. Picha, M. Planinic, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V. K. S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, R. Raniwala, S. Raniwala, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, G. Renault, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevski, J. L. Romero, A. Rose, C. Roy, L. J. Ruan, R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, I. Savin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, K. Schweda, J. Seger, D. Seliverstov, P. Seyboth, E. Shahaliev, M. Shao, M. Sharma, K. E. Shestermanov, S. S. Shimanskii, R. N. Singaraju, F. Simon, G. Skoro, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, H. M. Spinka, B. Srivastava, S. Stanislaus, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, C. Struck, A. A. P. Suaide, E. Sugarbaker, C. Suire, M. Šumbera, B. Surrow, T. J. M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, D. Thein, J. H. Thomas, V. Tikhomirov, M. Tokarev, M. B. Tonjes, T. A. Trainor, S. Trentalange, R. E. Tribble, M. D. Trivedi, V. Trofimov, O. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, A. M. VanderMolen, A. N. Vasiliev, M. Vasiliev, S. E. Vigdor, Y. P. Viyogi, W. Waggoner, F. Wang, G. Wang, X. L. Wang, Z. M. Wang, H. Ward, J. W. Watson, R. Wells, G. D. Westfall, C. Whitten, Jr., H. Wieman, R. Willson, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Z. Xu, Z. Z. Xu, A. E. Yakutin, E. Yamamoto, J. Yang, P. Yepes, V. I. Yurevich, Y. V. Zanevski, I. Zborovský, H. Zhang, H. Y. Zhang, W. M. Zhang, Z. P. Zhang, P. A. Żołnierczuk, R. Zoulkarneev, J. Zoulkarneeva, and A. N. Zubarev
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), 010308 nuclear & particles physics, Scattering, Hadron, Parton, Dissipation, Collision, 01 natural sciences, Nuclear physics, Pseudorapidity, 0103 physical sciences, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, Event (particle physics)
Abstract: We present the first large-acceptance measurement of event-wise mean transverse momentum fluctuations for Au-Au collisions at nucleon-nucleon center-of-momentum collision energy root s(NN) = 130 GeV. The observed nonstatistical fluctuations substantially exceed in magnitude fluctuations expected from the finite number of particles produced in a typical collision. The r.m.s. fractional width excess of the event-wise distribution is 13.7 +/- 0.1(stat) +/- 1.3(syst)% relative to a statistical reference, for the 15% most-central collisions and for charged hadrons within pseudorapidity range vertical bar eta vertical bar fluctuation excess is qualitatively larger than those observed at lower energies and differs markedly from theoretical expectations. Contributions to fluctuations from semihard parton scattering in the initial state and dissipation in the bulk colored medium are discussed.
Published: 2005

33. Azimuthal Anisotropy and Correlations at Large Transverse Momenta inp+pandAu+AuCollisions atsNN=200 GeV

Author: Lee Stuart Barnby, P. Seyboth, J. C. Dunlop, A. Urkinbaev, Zubayer Ahammed, M. J. LeVine, T. Dietel, Julien Faivre, T. J. Humanic, J. Speltz, M. R. Dutta Mazumdar, Mirko Planinic, A. V. Brandin, S. Chattopdhyay, I.A. Savin, N. T. Porile, O. V. Rogachevskiy, T. W. Henry, Michal Sumbera, A. A. P. Suaide, G. Renault, R. Varma, G. Eppley, S. K. Badyal, H. Bichsel, Yu A. Matulenko, G. Odyniec, W. A. Love, N. Xu, P. Filip, D. D. Koetke, E. Sugarbaker, H. Z. Huang, A. Stolpovsky, S. Vokal, B. Stringfellow, S. E. Vigdor, Y. Zoulkarneeva, M. Potekhin, J. Pluta, A. Billmeier, E. M. Kislov, G. D. Westfall, Christian Claude Kuhn, L. Kotchenda, S. Hepplemann, F. Meissner, C. Suire, J. G. Cramer, Y. Bai, L. S. Schroeder, V. V. Belaga, Malgorzata Anna Janik, M. Kramer, T. S. McShane, David Lynn, R. S. Longacre, P. Sorensen, S. V. Razin, V. S. Bhatia, J. Kiryluk, J. N. Marx, Madan M. Aggarwal, Fuqiang Wang, Y. P. Viyogi, Guo-Liang Ma, K. Schweda, V. Ghazikhanian, J. Castillo, Debasish Das, Raghunath Sahoo, M. Oldenburg, R. E. Tribble, D. A. Morozov, L. Gaudichet, S. W. Wissink, R. L. Ray, H. Zhang, J. C. Webb, M. A.C. Lamont, Gerald W Hoffmann, J. Engelage, M. Shao, G. Van Buren, Peter Graham Jones, E. Potrebenikova, A. Ridiger, Thorsten Sven Kollegger, V. I. Yurevich, Z. P. Zhang, A. S. Hirsch, J. L. Romero, A. Hamed, G. Igo, Jay Roberts, John N. Wood, J. H. Thomas, I. Sakrejda, J. G. Ma, V. A. Nikitin, K. Fomenko, V. Y. Khodyrev, F. Laue, A. Szanto de Toledo, Frank Simon, L. Martin, G. Wang, C. L. Kunz, L. K. Mangotra, P. Kravtsov, R. K. Kutuev, P. S. Sazhin, R. Fatemi, C. F. Moore, E. Finch, Premomoy Ghosh, J. M. Landgraf, V. Fine, C. Perkins, K. E. Shestermanov, Y. Panebratsev, D. Grosnick, S. M. Dogra, G. Rai, R. Manweiler, L. Didenko, J. Takahashi, J. Putschke, T. Ljubicic, Vitaly Okorokov, J. E. Draper, C. J. McClain, T. W. Ludlam, K. Krueger, Q. J. Liu, T. Pawlak, C. A. Whitten, J. W. Watson, Jeffrey G. Reid, T. Peitzmann, M. Strikhanov, H. Caines, Sudhir Raniwala, Bernd Surrow, J. M. Nelson, Z. Z. Xu, R. Picha, P.A. Zolnierczuk, J. P. Coffin, B. V.K.S. Potukuchi, B. Erazmus, A. M. Poskanzer, Y. Li, S. M. Guertin, D. P. Mahapatra, Yu Chen, S. R. Klein, G. S. Averichev, S. Lange, B. D. Anderson, Pawan Kumar Netrakanti, S. J. Lindenbaum, G. Sood, Christina Markert, J. Sandweiss, Z. Liu, A. K. Dubey, Souvik Das, R. Witt, Anik Gupta, R. V. Cadman, Jianhong Wu, Frank Jm Geurts, A. Ogawa, H. F. Chen, Shengli Huang, W. R. Edwards, J. Berger, W. Peryt, S. S. Shimanskiy, T. Tarnowsky, A. M. Vander Molen, Vladimir Petrov, P. Szarwas, E. Hjort, D. Cebra, C. A. Gagliardi, Andre Mischke, O. Barannikova, D. L. Olson, Anju Bhasin, M. Cherney, C-Q. Li, M. L. Miller, B. E. Bonner, Gregory Rakness, O. D. Tsai, M. Estienne, Z. Chajecki, J. W. Harris, Yu.V. Zanevsky, C. O. Blyth, W. J. Llope, S. Bharadwaj, Thomas Michael Cormier, V. B. Dunin, Yu Melnick, R. P. Scharenberg, O. G. Grebenyuk, S. Timoshenko, J. Carroll, D. Thein, J. Fedorisin, W. T. Waggoner, X. L. Wang, B. K. Srivastava, I. M. Vasilevski, S. K. Nayak, A. Rose, R. N. Singaraju, H. S. Matis, B. I. Bezverkhny, A. A. Derevschikov, A. P. Meschanin, R. Wells, S. Margetis, J. Gans, Marcelo Gameiro Munhoz, D. J. Prindle, M. Kopytine, O. A. Grachov, Yaguo Wang, Boris Hippolyte, M. van Leeuwen, X. Dong, F. Retiere, J. Fu, W. Q. Shen, M. Tokarev, W. Shao, H. M. Spinka, H. Long, M. A. Lisa, D. G. Underwood, M. S. Ganti, W. J. Dong, J. Porter, S. K. Pal, A. Bravar, N. G. Minaev, Manish Sharma, K. Kang, Adam Ryszard Kisiel, Y. P. Lu, N. Schmitz, Joseph Adams, E. Shahaliev, T. D. S. Stanislaus, V. Perevoztchikov, K. Filimonov, E. W. Hughes, E. Yamamoto, W. W. Jacobs, R.J.M. Snellings, H. J. Crawford, C. Mironov, Sevil Salur, E. G. Judd, T. J. Hallman, J. Cheng, T. J. M. Symons, H. H. Wieman, A. N. Zubarev, E. P. Sichtermann, D. Magestro, J. Balewski, S. C. Phatak, Rashmi Raniwala, Sergey Panitkin, J. Lauret, A. Tai, A. Lebedev, J. Amonett, Claude Andre Pruneau, M. M. de Moura, G. Skoro, Yinina Ma, J. Klay, T. Ullrich, Morton Kaplan, R. Zoulkarneev, V. Emelianov, A. K. Bhati, D. Keane, A. Kumar, F. Du, Y. Fisyak, Nikolai Smirnov, R. Stock, M. Vznuzdaev, X. Z. Cai, Sergey Voloshin, J. Mitchell, L. G. Efimov, P. Yepes, V. Eckardt, L. V. Nogach, S. Kabana, P. Fachini, T. K. Nayak, K. J. Foley, V. I. Kravtsov, L. Ruan, R. Lednicky, L. Molnar, Renaud Vernet, J. Baudot, S. Lehocka, A. H. Tang, H. Ward, J. E. Gonzalez, Bedangadas Mohanty, M. Botje, A. Stadnik, L. C. Bland, Y. Guo, M. Lopez-Noriega, M. Bystersky, Peter Martin Jacobs, A. Wetzler, A. A. Kuznetsov, S. B. Nurushev, Z. Milosevich, L. Liu, Olivier Ravel, M. Calderon De La Barca Sanchez, S. Mahajan, Q. Li, M. Heinz, J. Ulery, H. G. Ritter, C. Roy, R. Bellwied, A. Klyachko, P. Chaloupka, Z. J. Xu, S. Trentalange, A. Chikanian, D. K. Mishra, A. Boucham, D. Arkhipkin, S. Bekele, A. Ishihara, H. Jiang, Basanta Kumar Nandi, W. Christie, A. I. Kulikov, W. M. Zhang, Andrey Vasiliev, Janet Elizabeth Seger, D. Reichhold, A. I. Pavlinov, F. Liu, T. D. Gutierrez, D. Hardtke, R. D. Majka, J. Sowinski, Z. M. Wang, and J. Schambach
Subjects: Physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Elliptic flow, General Physics and Astronomy, 01 natural sciences, Spectral line, Charged particle, Azimuth, Transverse plane, 0103 physical sciences, Atomic physics, Multiplicity (chemistry), Nuclear Experiment, 010306 general physics, Jet quenching, Anisotropy
Abstract: Results on high transverse momentum charged particle emission with respect to the reaction plane are presented for Au + Au collisions at square root s(NN)=200 GeV. Two- and four-particle correlations results are presented as well as a comparison of azimuthal correlations in Au + Au collisions to those in p + p at the same energy. The elliptic anisotropy v(2) is found to reach its maximum at p(t) approximately 3 GeV/c, then decrease slowly and remain significant up to p(t) approximately 7-10 GeV/c. Stronger suppression is found in the back-to-back high-p(t) particle correlations for particles emitted out of plane compared to those emitted in plane. The centrality dependence of v(2) at intermediate p(t) is compared to simple models based on jet quenching.
Published: 2004

34. Measurements of transverse energy distributions inAu+Aucollisions atsNN=200GeV

Author: J. Adams, M. M. Aggarwal, Z. Ahammed, J. Amonett, B. D. Anderson, D. Arkhipkin, G. S. Averichev, Y. Bai, J. Balewski, O. Barannikova, L. S. Barnby, J. Baudot, S. Bekele, V. V. Belaga, R. Bellwied, J. Berger, B. I. Bezverkhny, S. Bharadwaj, V. S. Bhatia, H. Bichsel, A. Billmeier, L. C. Bland, C. O. Blyth, B. E. Bonner, M. Botje, A. Boucham, A. Brandin, A. Bravar, M. Bystersky, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, J. Carroll, J. Castillo, D. Cebra, Z. Chajecki, P. Chaloupka, S. Chattopdhyay, H. F. Chen, Y. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, D. Das, S. Das, M. M. de Moura, A. A. Derevschikov, L. Didenko, T. Dietel, W. J. Dong, X. Dong, J. E. Draper, F. Du, A. K. Dubey, V. B. Dunin, J. C. Dunlop, M. R. Dutta Mazumdar, V. Eckardt, W. R. Edwards, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, P. Fachini, J. Faivre, R. Fatemi, J. Fedorisin, K. Filimonov, P. Filip, E. Finch, V. Fine, Y. Fisyak, K. J. Foley, K. Fomenko, J. Fu, C. A. Gagliardi, J. Gans, M. S. Ganti, L. Gaudichet, F. Geurts, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, O. Grachov, O. Grebenyuk, D. Grosnick, S. M. Guertin, Y. Guo, A. Gupta, T. D. Gutierrez, T. J. Hallman, A. Hamed, D. Hardtke, J. W. Harris, M. Heinz, T. W. Henry, S. Hepplemann, B. Hippolyte, A. Hirsch, E. Hjort, G. W. Hoffmann, H. Z. Huang, S. L. Huang, E. W. Hughes, T. J. Humanic, G. Igo, A. Ishihara, P. Jacobs, W. W. Jacobs, M. Janik, H. Jiang, P. G. Jones, E. G. Judd, S. Kabana, K. Kang, M. Kaplan, D. Keane, V. Yu. Khodyrev, J. Kiryluk, A. Kisiel, E. M. Kislov, J. Klay, S. R. Klein, A. Klyachko, D. D. Koetke, T. Kollegger, M. Kopytine, L. Kotchenda, M. Kramer, P. Kravtsov, V. I. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, C. L. Kunz, R. Kh. Kutuev, A. A. Kuznetsov, M. A. C. Lamont, J. M. Landgraf, S. Lange, F. Laue, J. Lauret, A. Lebedev, R. Lednicky, S. Lehocka, M. J. LeVine, C. Li, Q. Li, Y. Li, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Q. J. Liu, Z. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, Y. Lu, T. Ludlam, D. Lynn, G. L. Ma, J. G. Ma, Y. G. Ma, D. Magestro, S. Mahajan, D. P. Mahapatra, R. Majka, L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert, L. Martin, J. N. Marx, H. S. Matis, Yu. A. Matulenko, C. J. McClain, T. S. McShane, F. Meissner, Yu. Melnick, A. Meschanin, M. L. Miller, Z. Milosevich, N. G. Minaev, C. Mironov, A. Mischke, D. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, M. J. Mora-Corral, D. A. Morozov, V. Morozov, M. G. Munhoz, B. K. Nandi, T. K. Nayak, J. M. Nelson, P. K. Netrakanti, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, S. K. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, T. Peitzmann, V. Perevoztchikov, C. Perkins, W. Peryt, V. A. Petrov, S. C. Phatak, R. Picha, M. Planinic, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V. K. S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, R. Raniwala, S. Raniwala, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, G. Renault, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Rose, C. Roy, L. Ruan, I. Sakrejda, S. Salur, J. Sandweiss, I. Savin, P. S. Sazhin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, K. Schweda, J. Seger, P. Seyboth, E. Shahaliev, M. Shao, W. Shao, M. Sharma, W. Q. Shen, K. E. Shestermanov, S. S. Shimanskiy, F. Simon, R. N. Singaraju, G. Skoro, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, J. Speltz, H. M. Spinka, B. Srivastava, A. Stadnik, T. D. S. Stanislaus, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, E. Sugarbaker, C. Suire, M. Sumbera, B. Surrow, T. J. M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, T. Tarnowsky, D. Thein, J. H. Thomas, S. Timoshenko, M. Tokarev, T. A. Trainor, S. Trentalange, R. E. Tribble, O. Tsai, J. Ulery, T. Ullrich, D. G. Underwood, A. Urkinbaev, G. Van Buren, M. van Leeuwen, A. M. Vander Molen, R. Varma, I. M. Vasilevski, A. N. Vasiliev, R. Vernet, S. E. Vigdor, V. P. Viyogi, S. Vokal, S. A. Voloshin, M. Vznuzdaev, B. Waggoner, F. Wang, G. Wang, X. L. Wang, Y. Wang, Z. M. Wang, H. Ward, J. W. Watson, J. C. Webb, R. Wells, G. D. Westfall, A. Wetzler, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Z. Xu, Z. Z. Xu, E. Yamamoto, P. Yepes, V. I. Yurevich, Y. V. Zanevsky, H. Zhang, W. M. Zhang, Z. P. Zhang, P. A. Zolnierczuk, R. Zoulkarneev, Y. Zoulkarneeva, and A. N. Zubarev
Subjects: Physics, Nuclear and High Energy Physics, Meson, 010308 nuclear & particles physics, Hadron, Collision, 01 natural sciences, Particle identification, Charged particle, Nuclear physics, Transverse plane, 0103 physical sciences, Multiplicity (chemistry), Atomic physics, Nuclear Experiment, 010306 general physics, Centrality
Abstract: Transverse energy (E{sub T}) distributions have been measured for Au+Au collisions at {radical}s{sub NN} = 200 GeV by the STAR collaboration at RHIC. E{sub T} is constructed from its hadronic and electromagnetic components, which have been measured separately. E{sub T} production for the most central collisions is well described by several theoretical models whose common feature is large energy density achieved early in the fireball evolution. The magnitude and centrality dependence of E{sub T} per charged particle agrees well with measurements at lower collision energy, indicating that the growth in E{sub T} for larger collision energy results from the growth in particle production. The electromagnetic fraction of the total E{sub T} is consistent with a final state dominated by mesons and independent of centrality.
Published: 2004

35. Photon and neutral pion production inAu+Aucollisions atsNN=130GeV

Author: B. D. Anderson, G. Eppley, Xu Cai, Marcelo Gameiro Munhoz, D. J. Prindle, J. Pluta, Madan M. Aggarwal, Fuqiang Wang, V. V. Belaga, R. E. Tribble, Gerald W Hoffmann, N. Xu, P. Filip, H. Zhang, Vladimir Petrov, E. Yamamoto, T. Dietel, A. K. Dubey, Souvik Das, D. Mishra, R. Witt, M. A. Lisa, A. Stolpovsky, Mirko Planinic, A. Kumar, B. Choi, L. Kotchenda, E. Sugarbaker, A. Lebedev, B. I. Bezverkhny, S. P. Chernenko, W. J. Llope, Sergey Voloshin, Subrata Pal, B. K. Srivastava, P. Seyboth, M. D. Trivedi, K. J. Foley, M. Oldenburg, M. Kaneta, P. Sorensen, F. Du, Peter Graham Jones, V. I. Yurevich, C. O. Blyth, Frank Simon, M. Castro, O. A. Grachov, X. Dong, A. Bravar, A. Rose, Rama Narayana Singaraju, T. W. Henry, G. D. Westfall, J. Gans, Hao-Ze Chen, S. Bhardwaj, Boris Hippolyte, A. H. Tang, Guy Paic, A. Chikanian, S. S. Shimanskii, Michal Sumbera, G. Renault, Alexander Kovalenko, L. V. Nogach, W. Christie, M. Heinz, Lee Stuart Barnby, F. Meissner, Y. Panebratsev, A. I. Kulikov, B. Lasiuk, J. C. Dunlop, D. Grosnick, C-Q. Li, Malgorzata Anna Janik, G. Rai, I. Sakrejda, J. Baudot, M. Calderon De La Barca Sanchez, C. Suire, A. Billmeier, J. G. Cramer, B. Erazmus, V. Faine, W. M. Zhang, Andrey Vasiliev, Zubayer Ahammed, Y. V. Zanevski, Sukalyan Chattopadhyay, B. Norman, M. Shao, H. Long, V. Grigoriev, J. Castillo, M. J. LeVine, R. P. Scharenberg, L. C. Bland, S. W. Wissink, L. Didenko, S. M. Guertin, M. Botje, A. A.P. Suaide, H. S. Matis, Janet Elizabeth Seger, J. Adams, R. L. Ray, E. Potrebenikova, S. K. Badyal, A. Boucham, D. Arkhipkin, D. P. Mahapatra, D. Cebra, Yu Chen, S. Trentalange, Matthew J. Anderson, W. W. Jacobs, D. Reichhold, A. I. Pavlinov, M. Estienne, W. A. Love, L. S. Schroeder, Zhenyu Zhang, F. Liu, M. B. Tonjes, V. Morozov, F. Retiere, Yu Melnick, M. M. de Moura, J. Lauret, S. Bekele, M. L. Miller, T. Ljubicic, V. A. Nikitin, S. V. Razin, M. S. Ganti, A. A. Kuznetsov, V. M. Leontiev, Olivier Ravel, S. Mahajan, A. Ridiger, Thorsten Sven Kollegger, J. Engelage, N. G. Minaev, H. Y. Zhang, Q. Li, D. Magestro, H. Caines, Sudhir Raniwala, L. Molnar, L. Gaudichet, J. Kiryluk, M. Kramer, K. E. Shestermanov, S. Stanislaus, T. D. Gutierrez, D. Hardtke, A. Tai, R. D. Majka, G. Sood, Z. M. Wang, John N. Wood, S. Heppelmann, T. S. McShane, Vitaly Okorokov, G. Rakness, C. Roy, Jay Roberts, H. Ward, H. Bichsel, G. Odyniec, S. Margetis, J. Schambach, Zhongyukun Xu, H. M. Spinka, P. Bhaskar, D. Flierl, Premomoy Ghosh, J. Amonett, L. Martin, J. Klay, Lianshou Liu, G. Skoro, C. Mironov, M. Germain, C. L. Kunz, C. P. Lansdell, C. A. Whitten, J. M. Landgraf, Z. Liu, B. V.K.S. Potukuchi, M. J. Mora-Corral, M. Potekhin, Y. Fisyak, V. Emelianov, Ian Johnson, Yu-Gang Ma, P. Szarwas, C. F. Moore, J. Balewski, Rashmi Raniwala, A. Klyachko, A. K. Bhati, R.J.M. Snellings, D. Keane, M. Strikhanov, S. Gronstal, J. H. Thomas, S. Lange, E. G. Judd, D. D. Koetke, J. E. Draper, S. C. Phatak, Claude Andre Pruneau, Nikolai Smirnov, David Lynn, Vladimir Tikhomirov, C. A. Gagliardi, S. J. Lindenbaum, H. G. Ritter, P.A. Zolnierczuk, R. Stock, J. Mitchell, T. Herston, H. Z. Huang, R. Lednický, P. Chaloupka, L. G. Efimov, J. E. Gonzalez, R. Bellwied, Bedangadas Mohanty, Christina Markert, J. Sandweiss, A. S. Konstantinov, T. Ullrich, J. P. Coffin, O. V. Rogachevski, R. Zoulkarneev, T. K. Nayak, V. Perevoztchikov, V. Trofimov, C. Struck, G. S. Averichev, Julien Faivre, K. Filimonov, B. E. Bonner, A. Ishihara, M. Lopez-Noriega, S. Kabana, Y. P. Viyogi, J. Takahashi, J. Putschke, T. J. Humanic, O. D. Tsai, J. G. Ma, S. U. Pandey, A. E. Yakutin, A. V. Brandin, J. W. Harris, Basanta Kumar Nandi, I.A. Savin, N. T. Porile, Sergey Panitkin, J. W. Watson, J. Marx, M. Guedon, A. M. VanderMolen, E. Gushin, G. J. Kunde, P. Yepes, V. Eckardt, S. E. Vigdor, M. A. Vasiliev, Yu A. Matulenko, M. Horsley, Christian Claude Kuhn, A. Ogawa, B. Stringfellow, Shengli Huang, Thomas A. Trainor, B. Surrow, Sevil Salur, A. S. Hirsch, P. Kravtsov, C. Adler, Jeffrey G. Reid, J. Sowinski, N.D. Gagunashvili, D. Thein, R. Wells, G. Van Buren, M. Kopytine, J. Fu, M. Tokarev, T. W. Ludlam, H. H. Wieman, L. K. Mangotra, R. Manweiler, M. R. Dutta Majumdar, J. M. Nelson, A. M. Poskanzer, N. Schmitz, E. Shahaliev, W. Peryt, V. Ghazikhanian, J. L. Romero, D. Seliverstov, E. Finch, I. Zborovský, X. L. Wang, P. Fachini, Peter Martin Jacobs, E. Hjort, J. Carroll, Gang Wang, S. K. Nayak, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, Z. Xu, A. P. Meschanin, Anik Gupta, R. V. Cadman, Jianhong Wu, Manish Sharma, Morton Kaplan, Frank Jm Geurts, R. S. Longacre, Debasish Das, Raghunath Sahoo, G. Igo, J. Zoulkarneeva, W. T. Waggoner, K. Schweda, Adam Ryszard Kisiel, H. J. Crawford, R. Fatemi, K. Krueger, A. N. Zubarev, R. Picha, M. Messer, M. Cherney, Thomas Michael Cormier, P. Nevski, F. Laue, A. Szanto de Toledo, T. Pawlak, Jinghui Yang, J. Porter, R.Kh. Kutuev, S. R. Klein, J. Berger, O. Barannikova, D. L. Olson, A. A. Derevschikov, V. B. Dunin, R. Willson, D. G. Underwood, Lijuan Ruan, Q. J. Liu, T. J. Hallman, and T. J. M. Symons
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Photon, Meson, 010308 nuclear & particles physics, 01 natural sciences, Particle identification, Spectral line, Nuclear physics, Particle decay, Positron, Pion, 0103 physical sciences, High Energy Physics::Experiment, Invariant mass, Nuclear Experiment, 010306 general physics
Abstract: We report inclusive photon measurements about midrapidity (\y\ gammagamma decay channel. The fractional contribution of the pi(0)-->gammagamma decay to the inclusive photon spectrum decreases by 20%+/-5% between p(t)=1.65 GeV/c and p(t)=2.4 GeV/c in the most central events, indicating that relative to pi(0)-->gammagamma decay the contribution of other photon sources is substantially increasing.
Published: 2004

36. Rapidity and centrality dependence of proton and antiproton production fromAu197+Au197collisions atSNN=130GeV

Author: J. Adams, C. Adler, M. M. Aggarwal, Z. Ahammed, J. Amonett, B. D. Anderson, M. Anderson, D. Arkhipkin, G. S. Averichev, S. K. Badyal, J. Balewski, O. Barannikova, L. S. Barnby, J. Baudot, S. Bekele, V. V. Belaga, R. Bellwied, J. Berger, B. I. Bezverkhny, S. Bhardwaj, P. Bhaskar, A. K. Bhati, H. Bichsel, A. Billmeier, L. C. Bland, C. O. Blyth, B. E. Bonner, M. Botje, A. Boucham, A. Brandin, A. Bravar, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, A. Cardenas, J. Carroll, J. Castillo, M. Castro, D. Cebra, P. Chaloupka, S. Chattopadhyay, H. F. Chen, Y. Chen, S. P. Chernenko, M. Cherney, A. Chikanian, B. Choi, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, D. Das, S. Das, A. A. Derevschikov, L. Didenko, T. Dietel, X. Dong, J. E. Draper, F. Du, A. K. Dubey, V. B. Dunin, J. C. Dunlop, M. R. Dutta Mazumdar, V. Eckardt, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, P. Fachini, V. Faine, J. Faivre, R. Fatemi, K. Filimonov, P. Filip, E. Finch, Y. Fisyak, D. Flierl, K. J. Foley, J. Fu, C. A. Gagliardi, M. S. Ganti, T. D. Gutierrez, N. Gagunashvili, J. Gans, L. Gaudichet, M. Germain, F. Geurts, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, O. Grachov, V. Grigoriev, D. Grosnick, M. Guedon, S. M. Guertin, A. Gupta, E. Gushin, T. J. Hallman, D. Hardtke, J. W. Harris, M. Heinz, T. W. Henry, S. Heppelmann, T. Herston, B. Hippolyte, A. Hirsch, E. Hjort, G. W. Hoffmann, M. Horsley, H. Z. Huang, S. L. Huang, T. J. Humanic, G. Igo, A. Ishihara, P. Jacobs, W. W. Jacobs, M. Janik, I. Johnson, P. G. Jones, E. G. Judd, S. Kabana, M. Kaneta, M. Kaplan, D. Keane, J. Kiryluk, A. Kisiel, J. Klay, S. R. Klein, A. Klyachko, D. D. Koetke, T. Kollegger, A. S. Konstantinov, M. Kopytine, L. Kotchenda, A. D. Kovalenko, M. Kramer, P. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, G. J. Kunde, C. L. Kunz, R. Kh. Kutuev, A. A. Kuznetsov, M. A. C. Lamont, J. M. Landgraf, S. Lange, C. P. Lansdell, B. Lasiuk, F. Laue, J. Lauret, A. Lebedev, R. Lednický, V. M. Leontiev, M. J. LeVine, C. Li, Q. Li, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Z. Liu, Q. J. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, T. Ludlam, D. Lynn, J. Ma, Y. G. Ma, D. Magestro, S. Mahajan, L. K. Mangotra, A. P. Mahapatra, R. Majka, R. Manweiler, S. Margetis, C. Markert, L. Martin, J. Marx, H. S. Matis, Yu. A. Matulenko, T. S. McShane, F. Meissner, Yu. Melnick, A. Meschanin, M. Messer, M. L. Miller, Z. Milosevich, N. G. Minaev, C. Mironov, D. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, M. J. Mora-Corral, V. Morozov, M. M. de Moura, M. G. Munhoz, B. K. Nandi, S. K. Nayak, T. K. Nayak, J. M. Nelson, P. Nevski, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, G. Paic, S. U. Pandey, S. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, V. Perevoztchikov, W. Peryt, V. A. Petrov, S. C. Phatak, R. Picha, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V. K. S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, R. Raniwala, S. Raniwala, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, G. Renault, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevski, J. L. Romero, A. Rose, C. Roy, L. J. Ruan, V. Rykov, R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, I. Savin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, K. Schweda, J. Seger, D. Seliverstov, P. Seyboth, E. Shahaliev, M. Shao, M. Sharma, K. E. Shestermanov, S. S. Shimanskii, R. N. Singaraju, F. Simon, G. Skoro, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, H. M. Spinka, B. Srivastava, S. Stanislaus, E. J. Stephenson, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, C. Struck, A. A. P. Suaide, E. Sugarbaker, C. Suire, M. Šumbera, B. Surrow, T. J. M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, D. Thein, J. H. Thomas, V. Tikhomirov, M. Tokarev, M. B. Tonjes, T. A. Trainor, S. Trentalange, R. E. Tribble, M. D. Trivedi, V. Trofimov, O. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, A. M. Vander Molen, A. N. Vasiliev, M. Vasiliev, S. E. Vigdor, Y. P. Viyogi, S. A. Voloshin, F. Wang, G. Wang, X. L. Wang, Z. M. Wang, H. Ward, J. W. Watson, R. Wells, G. D. Westfall, C. Whitten, H. Wieman, R. Willson, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Z. Xu, Z. Z. Xu, A. E. Yakutin, E. Yamamoto, J. Yang, P. Yepes, V. I. Yurevich, Y. V. Zanevski, I. Zborovský, H. Zhang, H. Y. Zhang, W. M. Zhang, Z. P. Zhang, P. A. Żołnierczuk, R. Zoulkarneev, J. Zoulkarneeva, and A. N. Zubarev
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Proton, Mass distribution, 010308 nuclear & particles physics, Elliptic flow, Order (ring theory), 01 natural sciences, Nuclear physics, Transverse plane, Antiproton, 0103 physical sciences, Transverse mass, Rapidity, Nuclear Experiment, 010306 general physics
Abstract: We report on the rapidity and centrality dependence of proton and anti-proton transverse mass distributions from {sup 197}Au + {sup 197}Au collisions at {radical}s{sub NN} = 130 GeV as measured by the STAR experiment at RHIC. Our results are from the rapidity and transverse momentum range of |y| < 0.5 and 0.35 < p{sub t} < 1.00 GeV/c. For both protons and anti-protons, transverse mass distributions become more convex from peripheral to central collisions demonstrating characteristics of collective expansion. The measured rapidity distributions and the mean transverse momenta versus rapidity are flat within |y| < 0.5. Comparisons of our data with results from model calculations indicate that in order to obtain a consistent picture of the proton(anti-proton) yields and transverse mass distributions the possibility of pre-hadronic collective expansion may have to be taken into account.
Published: 2004

37. Centrality and pseudorapidity dependence of charged hadron production at intermediatepTinAu+Aucollisions atsNN=130GeV

Author: J. Adams, M. M. Aggarwal, Z. Ahammed, J. Amonett, B. D. Anderson, D. Arkhipkin, G. S. Averichev, Y. Bai, J. Balewski, O. Barannikova, L. S. Barnby, J. Baudot, S. Bekele, V. V. Belaga, R. Bellwied, J. Berger, B. I. Bezverkhny, S. Bharadwaj, V. S. Bhatia, H. Bichsel, A. Billmeier, L. C. Bland, C. O. Blyth, B. E. Bonner, M. Botje, A. Boucham, A. Brandin, A. Bravar, M. Bystersky, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, J. Carroll, J. Castillo, D. Cebra, P. Chaloupka, S. Chattopdhyay, H. F. Chen, Y. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, D. Das, S. Das, M. M. de Moura, A. A. Derevschikov, L. Didenko, T. Dietel, W. J. Dong, X. Dong, J. E. Draper, F. Du, A. K. Dubey, V. B. Dunin, J. C. Dunlop, M. R. Dutta Mazumdar, V. Eckardt, W. R. Edwards, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, P. Fachini, J. Faivre, R. Fatemi, J. Fedorisin, K. Filimonov, P. Filip, E. Finch, V. Fine, Y. Fisyak, K. J. Foley, K. Fomenko, J. Fu, C. A. Gagliardi, J. Gans, M. S. Ganti, L. Gaudichet, F. Geurts, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, O. Grachov, O. Grebenyuk, D. Grosnick, S. M. Guertin, A. Gupta, T. D. Gutierrez, T. J. Hallman, A. Hamed, D. Hardtke, J. W. Harris, M. Heinz, T. W. Henry, S. Hepplemann, B. Hippolyte, A. Hirsch, E. Hjort, G. W. Hoffmann, H. Z. Huang, S. L. Huang, E. W. Hughes, T. J. Humanic, G. Igo, A. Ishihara, P. Jacobs, W. W. Jacobs, M. Janik, H. Jiang, P. G. Jones, E. G. Judd, S. Kabana, K. Kang, M. Kaplan, D. Keane, V. Yu. Khodyrev, J. Kiryluk, A. Kisiel, E. M. Kislov, J. Klay, S. R. Klein, A. Klyachko, D. D. Koetke, T. Kollegger, M. Kopytine, L. Kotchenda, M. Kramer, P. Kravtsov, V. I. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, C. L. Kunz, R. Kh. Kutuev, A. A. Kuznetsov, M. A. C. Lamont, J. M. Landgraf, S. Lange, F. Laue, J. Lauret, A. Lebedev, R. Lednicky, S. Lehocka, M. J. LeVine, C. Li, Q. Li, Y. Li, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Q. J. Liu, Z. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, Y. Lu, T. Ludlam, D. Lynn, G. L. Ma, J. G. Ma, Y. G. Ma, D. Magestro, S. Mahajan, D. P. Mahapatra, R. Majka, L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert, L. Martin, J. N. Marx, H. S. Matis, Yu. A. Matulenko, C. J. McClain, T. S. McShane, F. Meissner, Yu. Melnick, A. Meschanin, M. L. Miller, Z. Milosevich, N. G. Minaev, C. Mironov, A. Mischke, D. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, M. J. Mora-Corral, D. A. Morozov, V. Morozov, M. G. Munhoz, B. K. Nandi, T. K. Nayak, J. M. Nelson, P. K. Netrakanti, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, S. K. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, T. Peitzmann, V. Perevoztchikov, C. Perkins, W. Peryt, V. A. Petrov, S. C. Phatak, R. Picha, M. Planinic, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V. K. S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, R. Raniwala, S. Raniwala, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, G. Renault, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Rose, C. Roy, L. Ruan, R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, I. Savin, P. S. Sazhin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, K. Schweda, J. Seger, P. Seyboth, E. Shahaliev, M. Shao, W. Shao, M. Sharma, W. Q. Shen, K. E. Shestermanov, S. S. Shimanskiy, F. Simon, R. N. Singaraju, G. Skoro, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, J. Speltz, H. M. Spinka, B. Srivastava, A. Stadnik, T. D. S. Stanislaus, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, A. A. P. Suaide, E. Sugarbaker, C. Suire, M. Sumbera, B. Surrow, T. J. M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, T. Tarnowsky, D. Thein, J. H. Thomas, S. Timoshenko, M. Tokarev, T. A. Trainor, S. Trentalange, R. E. Tribble, O. Tsai, J. Ulery, T. Ullrich, D. G. Underwood, A. Urkinbaev, G. Van Buren, A. M. Vander Molen, R. Varma, I. M. Vasilevski, A. N. Vasiliev, R. Vernet, S. E. Vigdor, Y. P. Viyogi, S. Vokal, M. Vznuzdaev, B. Waggoner, F. Wang, G. Wang, X. L. Wang, Y. Wang, Z. M. Wang, H. Ward, J. W. Watson, J. C. Webb, R. Wells, G. D. Westfall, A. Wetzler, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Z. Xu, E. Yamamoto, P. Yepes, V. I. Yurevich, Y. V. Zanevsky, H. Zhang, W. M. Zhang, Z. P. Zhang, P. A. Zolnierczuk, R. Zoulkarneev, Y. Zoulkarneeva, and A. N. Zubarev
Subjects: Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Particle physics, Time projection chamber, 010308 nuclear & particles physics, Scattering, Hadron, Binary scaling, 01 natural sciences, Particle identification, Nuclear physics, Pseudorapidity, 0103 physical sciences, 010306 general physics, Scaling
Abstract: We present STAR measurements of charged hadron production as a function of centrality in Au+Au collisions at {radical}(s{sub NN})=130 GeV. The measurements cover a phase space region of 0.2 p{sub T}{sup cut}, and studied the results in the framework of participant and binary scaling. No clear evidence is observed for participant scaling of charged hadron yield in the measured p{sub T} region. The relative importance of hard scattering processes is investigated through binary scaling fraction of particle production.
Published: 2004

38. Production ofe+e−pairs accompanied by nuclear dissociation in ultraperipheral heavy-ion collisions

Author: J. Adams, M. M. Aggarwal, Z. Ahammed, J. Amonett, B. D. Anderson, D. Arkhipkin, G. S. Averichev, Y. Bai, J. Balewski, O. Barannikova, L. S. Barnby, J. Baudot, S. Bekele, V. V. Belaga, R. Bellwied, J. Berger, B. I. Bezverkhny, S. Bharadwaj, V. S. Bhatia, H. Bichsel, A. Billmeier, L. C. Bland, C. O. Blyth, B. E. Bonner, M. Botje, A. Boucham, A. Brandin, A. Bravar, M. Bystersky, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, J. Carroll, J. Castillo, D. Cebra, Z. Chajecki, P. Chaloupka, S. Chattopdhyay, H. F. Chen, Y. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, D. Das, S. Das, M. M. de Moura, A. A. Derevschikov, L. Didenko, T. Dietel, W. J. Dong, X. Dong, J. E. Draper, F. Du, A. K. Dubey, V. B. Dunin, J. C. Dunlop, M. R. Dutta Mazumdar, V. Eckardt, W. R. Edwards, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, P. Fachini, J. Faivre, R. Fatemi, J. Fedorisin, K. Filimonov, P. Filip, E. Finch, V. Fine, Y. Fisyak, K. J. Foley, K. Fomenko, J. Fu, C. A. Gagliardi, J. Gans, M. S. Ganti, L. Gaudichet, F. Geurts, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, O. Grachov, O. Grebenyuk, D. Grosnick, S. M. Guertin, Y. Guo, A. Gupta, T. D. Gutierrez, T. J. Hallman, A. Hamed, D. Hardtke, J. W. Harris, M. Heinz, T. W. Henry, S. Hepplemann, B. Hippolyte, A. Hirsch, E. Hjort, G. W. Hoffmann, H. Z. Huang, S. L. Huang, E. W. Hughes, T. J. Humanic, G. Igo, A. Ishihara, P. Jacobs, W. W. Jacobs, M. Janik, H. Jiang, P. G. Jones, E. G. Judd, S. Kabana, K. Kang, M. Kaplan, D. Keane, V. Yu. Khodyrev, J. Kiryluk, A. Kisiel, E. M. Kislov, J. Klay, S. R. Klein, A. Klyachko, D. D. Koetke, T. Kollegger, M. Kopytine, L. Kotchenda, M. Kramer, P. Kravtsov, V. I. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, C. L. Kunz, R. Kh. Kutuev, A. A. Kuznetsov, M. A.C. Lamont, J. M. Landgraf, S. Lange, F. Laue, J. Lauret, A. Lebedev, R. Lednicky, S. Lehocka, M. J. LeVine, C. Li, Q. Li, Y. Li, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Q. J. Liu, Z. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, Y. Lu, T. Ludlam, D. Lynn, G. L. Ma, J. G. Ma, Y. G. Ma, D. Magestro, S. Mahajan, D. P. Mahapatra, R. Majka, L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert, L. Martin, J. N. Marx, H. S. Matis, Yu. A. Matulenko, C. J. McClain, T. S. McShane, F. Meissner, Yu. Melnick, A. Meschanin, M. L. Miller, Z. Milosevich, N. G. Minaev, C. Mironov, A. Mischke, D. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, M. J. Mora-Corral, D. A. Morozov, V. Morozov, M. G. Munhoz, B. K. Nandi, T. K. Nayak, J. M. Nelson, P. K. Netrakanti, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, S. K. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, T. Peitzmann, V. Perevoztchikov, C. Perkins, W. Peryt, V. A. Petrov, S. C. Phatak, R. Picha, M. Planinic, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V.K.S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, R. Raniwala, S. Raniwala, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, G. Renault, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Rose, C. Roy, L. Ruan, I. Sakrejda, S. Salur, J. Sandweiss, I. Savin, P. S. Sazhin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, K. Schweda, J. Seger, P. Seyboth, E. Shahaliev, M. Shao, W. Shao, M. Sharma, W. Q. Shen, K. E. Shestermanov, S. S. Shimanskiy, F. Simon, R. N. Singaraju, G. Skoro, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, J. Speltz, H. M. Spinka, B. Srivastava, A. Stadnik, T. D.S. Stanislaus, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, A. A.P. Suaide, E. Sugarbaker, C. Suire, M. Sumbera, B. Surrow, T. J.M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, T. Tarnowsky, D. Thein, J. H. Thomas, S. Timoshenko, M. Tokarev, T. A. Trainor, S. Trentalange, R. E. Tribble, O. Tsai, J. Ulery, T. Ullrich, D. G. Underwood, A. Urkinbaev, G. Van Buren, M. van Leeuwen, A. M. Vander Molen, R. Varma, I. M. Vasilevski, A. N. Vasiliev, R. Vernet, S. E. Vigdor, V. P. Viyogi, S. Vokal, S. A. Voloshin, M. Vznuzdaev, B. Waggoner, F. Wang, G. Wang, X. L. Wang, Y. Wang, Z. M. Wang, H. Ward, J. W. Watson, J. C. Webb, R. Wells, G. D. Westfall, A. Wetzler, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Z. Xu, Z. Z. Xu, E. Yamamoto, P. Yepes, V. I. Yurevich, Y. V. Zanevsky, H. Zhang, W. M. Zhang, Z. P. Zhang, P. A. Zolnierczuk, R. Zoulkarneev, Y. Zoulkarneeva, and A. N. Zubarev
Subjects: Physics, Nuclear and High Energy Physics, Electron pair, Photon, 010308 nuclear & particles physics, Electron, 7. Clean energy, 01 natural sciences, Spectral line, Nuclear physics, Pair production, 0103 physical sciences, Rapidity, Atomic physics, Impact parameter, Nuclear Experiment, 010306 general physics, Nucleon
Abstract: We present the first data on e{sup +}e{sup -} pair production accompanied by nuclear breakup in ultra-peripheral gold-gold collisions at a center of mass energy of 200 GeV per nucleon pair. The nuclear breakup requirement selects events at small impact parameters, where higher-order corrections to the pair production cross section should be enhanced. We compare the pair kinematic distributions with two calculations: one based on the equivalent photon approximation, and the other using lowest-order quantum electrodynamics (QED); the latter includes the photon virtuality. The cross section, pair mass, rapidity and angular distributions are in good agreement with both calculations. The pair transverse momentum, p{sub T}, spectrum agrees with the QED calculation, but not with the equivalent photon approach. We set limits on higher-order contributions to the cross section. The e{sup +} and e{sup -} p{sub T} spectra are similar, with no evidence for interference effects due to higher-order diagrams.
Published: 2004

39. Azimuthal anisotropy and correlations at large transverse momenta in p + p and Au + Au collisions at square root sNN=200 GeV

Author: J, Adams, M M, Aggarwal, Z, Ahammed, J, Amonett, B D, Anderson, D, Arkhipkin, G S, Averichev, S K, Badyal, Y, Bai, J, Balewski, O, Barannikova, L S, Barnby, J, Baudot, S, Bekele, V V, Belaga, R, Bellwied, J, Berger, B I, Bezverkhny, S, Bharadwaj, A, Bhasin, A K, Bhati, V S, Bhatia, H, Bichsel, A, Billmeier, L C, Bland, C O, Blyth, B E, Bonner, M, Botje, A, Boucham, A V, Brandin, A, Bravar, M, Bystersky, R V, Cadman, X Z, Cai, H, Caines, M, Calderón de la Barca Sánchez, J, Carroll, J, Castillo, D, Cebra, Z, Chajecki, P, Chaloupka, S, Chattopdhyay, H F, Chen, Y, Chen, J, Cheng, M, Cherney, A, Chikanian, W, Christie, J P, Coffin, T M, Cormier, J G, Cramer, H J, Crawford, D, Das, S, Das, M M, de Moura, A A, Derevschikov, L, Didenko, T, Dietel, S M, Dogra, W J, Dong, X, Dong, J E, Draper, F, Du, A K, Dubey, V B, Dunin, J C, Dunlop, M R, Dutta Mazumdar, V, Eckardt, W R, Edwards, L G, Efimov, V, Emelianov, J, Engelage, G, Eppley, B, Erazmus, M, Estienne, P, Fachini, J, Faivre, R, Fatemi, J, Fedorisin, K, Filimonov, P, Filip, E, Finch, V, Fine, Y, Fisyak, K J, Foley, K, Fomenko, J, Fu, C A, Gagliardi, J, Gans, M S, Ganti, L, Gaudichet, F, Geurts, V, Ghazikhanian, P, Ghosh, J E, Gonzalez, O, Grachov, O, Grebenyuk, D, Grosnick, S M, Guertin, Y, Guo, A, Gupta, T D, Gutierrez, T J, Hallman, A, Hamed, D, Hardtke, J W, Harris, M, Heinz, T W, Henry, S, Hepplemann, B, Hippolyte, A, Hirsch, E, Hjort, G W, Hoffmann, H Z, Huang, S L, Huang, E W, Hughes, T J, Humanic, G, Igo, A, Ishihara, P, Jacobs, W W, Jacobs, M, Janik, H, Jiang, P G, Jones, E G, Judd, S, Kabana, K, Kang, M, Kaplan, D, Keane, V Yu, Khodyrev, J, Kiryluk, A, Kisiel, E M, Kislov, J, Klay, S R, Klein, A, Klyachko, D D, Koetke, T, Kollegger, M, Kopytine, L, Kotchenda, M, Kramer, P, Kravtsov, V I, Kravtsov, K, Krueger, C, Kuhn, A I, Kulikov, A, Kumar, C L, Kunz, R Kh, Kutuev, A A, Kuznetsov, M A C, Lamont, J M, Landgraf, S, Lange, F, Laue, J, Lauret, A, Lebedev, R, Lednicky, S, Lehocka, M J, LeVine, C, Li, Q, Li, Y, Li, S J, Lindenbaum, M A, Lisa, F, Liu, L, Liu, Q J, Liu, Z, Liu, T, Ljubicic, W J, Llope, H, Long, R S, Longacre, M, Lopez-Noriega, W A, Love, Y, Lu, T, Ludlam, D, Lynn, G L, Ma, J G, Ma, Y G, Ma, D, Magestro, S, Mahajan, D P, Mahapatra, R, Majka, L K, Mangotra, R, Manweiler, S, Margetis, C, Markert, L, Martin, J N, Marx, H S, Matis, Yu A, Matulenko, C J, McClain, T S, McShane, F, Meissner, Yu, Melnick, A, Meschanin, M L, Miller, Z, Milosevich, N G, Minaev, C, Mironov, A, Mischke, D K, Mishra, J, Mitchell, B, Mohanty, L, Molnar, C F, Moore, D A, Morozov, M G, Munhoz, B K, Nandi, S K, Nayak, T K, Nayak, J M, Nelson, P K, Netrakanti, V A, Nikitin, L V, Nogach, S B, Nurushev, G, Odyniec, A, Ogawa, V, Okorokov, M, Oldenburg, D, Olson, S K, Pal, Y, Panebratsev, S Y, Panitkin, A I, Pavlinov, T, Pawlak, T, Peitzmann, V, Perevoztchikov, C, Perkins, W, Peryt, V A, Petrov, S C, Phatak, R, Picha, M, Planinic, J, Pluta, N, Porile, J, Porter, A M, Poskanzer, M, Potekhin, E, Potrebenikova, B V K S, Potukuchi, D, Prindle, C, Pruneau, J, Putschke, G, Rai, G, Rakness, R, Raniwala, S, Raniwala, O, Ravel, R L, Ray, S V, Razin, D, Reichhold, J G, Reid, G, Renault, F, Retiere, A, Ridiger, H G, Ritter, J B, Roberts, O V, Rogachevskiy, J L, Romero, A, Rose, C, Roy, L, Ruan, R, Sahoo, I, Sakrejda, S, Salur, J, Sandweiss, I, Savin, P S, Sazhin, J, Schambach, R P, Scharenberg, N, Schmitz, L S, Schroeder, K, Schweda, J, Seger, P, Seyboth, E, Shahaliev, M, Shao, W, Shao, M, Sharma, W Q, Shen, K E, Shestermanov, S S, Shimanskiy, E, Sichtermann, F, Simon, R N, Singaraju, G, Skoro, N, Smirnov, R, Snellings, G, Sood, P, Sorensen, J, Sowinski, J, Speltz, H M, Spinka, B, Srivastava, A, Stadnik, T D S, Stanislaus, R, Stock, A, Stolpovsky, M, Strikhanov, B, Stringfellow, A A P, Suaide, E, Sugarbaker, C, Suire, M, Sumbera, B, Surrow, T J M, Symons, A, Szanto de Toledo, P, Szarwas, A, Tai, J, Takahashi, A H, Tang, T, Tarnowsky, D, Thein, J H, Thomas, S, Timoshenko, M, Tokarev, S, Trentalange, R E, Tribble, O D, Tsai, J, Ulery, T, Ullrich, D G, Underwood, A, Urkinbaev, G, Van Buren, M, van Leeuwen, A M, Vander Molen, R, Varma, I M, Vasilevski, A N, Vasiliev, R, Vernet, S E, Vigdor, Y P, Viyogi, S, Vokal, S A, Voloshin, M, Vznuzdaev, W T, Waggoner, F, Wang, G, Wang, X L, Wang, Y, Wang, Z M, Wang, H, Ward, J W, Watson, J C, Webb, R, Wells, G D, Westfall, A, Wetzler, C, Whitten, H, Wieman, S W, Wissink, R, Witt, J, Wood, J, Wu, N, Xu, Z, Xu, Z Z, Xu, E, Yamamoto, P, Yepes, V I, Yurevich, Y V, Zanevsky, H, Zhang, W M, Zhang, Z P, Zhang, P A, Zolnierczuk, R, Zoulkarneev, Y, Zoulkarneeva, and A N, Zubarev
Abstract: Results on high transverse momentum charged particle emission with respect to the reaction plane are presented for Au + Au collisions at square root s(NN)=200 GeV. Two- and four-particle correlations results are presented as well as a comparison of azimuthal correlations in Au + Au collisions to those in p + p at the same energy. The elliptic anisotropy v(2) is found to reach its maximum at p(t) approximately 3 GeV/c, then decrease slowly and remain significant up to p(t) approximately 7-10 GeV/c. Stronger suppression is found in the back-to-back high-p(t) particle correlations for particles emitted out of plane compared to those emitted in plane. The centrality dependence of v(2) at intermediate p(t) is compared to simple models based on jet quenching.
Published: 2004

40. Azimuthally Sensitive Hanbury Brown–Twiss Interferometry inAu+AuCollisions atsNN=200 GeV

Author: J. Adams, C. Adler, M. M. Aggarwal, Z. Ahammed, J. Amonett, B. D. Anderson, D. Arkhipkin, G. S. Averichev, S. K. Badyal, J. Balewski, O. Barannikova, L. S. Barnby, J. Baudot, S. Bekele, V. V. Belaga, R. Bellwied, J. Berger, B. I. Bezverkhny, S. Bhardwaj, A. K. Bhati, H. Bichsel, A. Billmeier, L. C. Bland, C. O. Blyth, B. E. Bonner, M. Botje, A. Boucham, A. Brandin, A. Bravar, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, J. Carroll, J. Castillo, D. Cebra, P. Chaloupka, S. Chattopadhyay, H. F. Chen, Y. Chen, S. P. Chernenko, M. Cherney, A. Chikanian, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, D. Das, S. Das, A. A. Derevschikov, L. Didenko, T. Dietel, W. J. Dong, X. Dong, J. E. Draper, F. Du, A. K. Dubey, V. B. Dunin, J. C. Dunlop, M. R. Dutta Majumdar, V. Eckardt, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, P. Fachini, V. Faine, J. Faivre, R. Fatemi, K. Filimonov, P. Filip, E. Finch, Y. Fisyak, D. Flierl, K. J. Foley, J. Fu, C. A. Gagliardi, N. Gagunashvili, J. Gans, M. S. Ganti, L. Gaudichet, F. Geurts, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, O. Grachov, O. Grebenyuk, S. Gronstal, D. Grosnick, S. M. Guertin, A. Gupta, T. D. Gutierrez, T. J. Hallman, A. Hamed, D. Hardtke, J. W. Harris, M. Heinz, T. W. Henry, S. Heppelmann, B. Hippolyte, A. Hirsch, E. Hjort, G. W. Hoffmann, M. Horsley, H. Z. Huang, S. L. Huang, E. Hughes, T. J. Humanic, G. Igo, A. Ishihara, P. Jacobs, W. W. Jacobs, M. Janik, H. Jiang, I. Johnson, P. G. Jones, E. G. Judd, S. Kabana, M. Kaplan, D. Keane, V. Yu. Khodyrev, J. Kiryluk, A. Kisiel, J. Klay, S. R. Klein, A. Klyachko, D. D. Koetke, T. Kollegger, M. Kopytine, L. Kotchenda, A. D. Kovalenko, M. Kramer, P. Kravtsov, V. I. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, G. J. Kunde, C. L. Kunz, R. Kh. Kutuev, A. A. Kuznetsov, M. A. C. Lamont, J. M. Landgraf, S. Lange, B. Lasiuk, F. Laue, J. Lauret, A. Lebedev, R. Lednický, M. J. LeVine, C. Li, Q. Li, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Z. Liu, Q. J. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, T. Ludlam, D. Lynn, J. Ma, Y. G. Ma, D. Magestro, S. Mahajan, L. K. Mangotra, D. P. Mahapatra, R. Majka, R. Manweiler, S. Margetis, C. Markert, L. Martin, J. Marx, H. S. Matis, Yu. A. Matulenko, C. J. McClain, T. S. McShane, F. Meissner, Yu. Melnick, A. Meschanin, M. L. Miller, Z. Milosevich, N. G. Minaev, C. Mironov, A. Mischke, D. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, M. J. Mora-Corral, D. A. Morozov, V. Morozov, M. M. de Moura, M. G. Munhoz, B. K. Nandi, S. K. Nayak, T. K. Nayak, J. M. Nelson, P. K. Netrakanti, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, G. Paic, S. K. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, T. Peitzmann, V. Perevoztchikov, C. Perkins, W. Peryt, V. A. Petrov, S. C. Phatak, R. Picha, M. Planinic, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V. K. S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, R. Raniwala, S. Raniwala, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, G. Renault, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevski, J. L. Romero, A. Rose, C. Roy, L. J. Ruan, R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, I. Savin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, K. Schweda, J. Seger, P. Seyboth, E. Shahaliev, M. Shao, W. Shao, M. Sharma, K. E. Shestermanov, S. S. Shimanskii, R. N. Singaraju, F. Simon, G. Skoro, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, J. Speltz, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, C. Struck, A. A. P. Suaide, E. Sugarbaker, C. Suire, M. Šumbera, B. Surrow, T. J. M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, D. Thein, J. H. Thomas, S. Timoshenko, M. Tokarev, M. B. Tonjes, T. A. Trainor, S. Trentalange, R. E. Tribble, O. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, A. M. VanderMolen, R. Varma, I. Vasilevski, A. N. Vasiliev, R. Vernet, S. E. Vigdor, Y. P. Viyogi, S. A. Voloshin, M. Vznuzdaev, W. Waggoner, F. Wang, G. Wang, X. L. Wang, Y. Wang, Z. M. Wang, H. Ward, J. W. Watson, J. C. Webb, R. Wells, G. D. Westfall, C. Whitten, H. Wieman, R. Willson, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Z. Xu, Z. Z. Xu, E. Yamamoto, P. Yepes, V. I. Yurevich, B. Yuting, Y. V. Zanevski, H. Zhang, W. M. Zhang, Z. P. Zhang, Z. P. Zhaomin, Z. P. Zizong, P. A. Żołnierczuk, R. Zoulkarneev, J. Zoulkarneeva, and A. N. Zubarev
Subjects: Nuclear physics, Physics, Interferometry, Pion, Meson, Nuclear Theory, Elliptic flow, Hadron, Hanbury Brown and Twiss effect, General Physics and Astronomy, Bose–Einstein correlations, Coordinate space, Nuclear Experiment
Abstract: We present the results of a systematic study of the shape of the pion distribution in coordinate space at freeze-out in Au+Au collisions at RHIC using two-pion Hanbury Brown-Twiss (HBT) interferometry. Oscillations of the extracted HBT radii vs. emission angle indicate sources elongated perpendicular to the reaction plane. The results indicate that the pressure and expansion time of the collision system are not sufficient to completely quench its initial shape.
Published: 2004

41. Multistrange Baryon Production in Au-Au Collisions atsNN=130 GeV

Author: J. Adams, C. Adler, M. M. Aggarwal, Z. Ahammed, J. Amonett, B. D. Anderson, D. Arkhipkin, G. S. Averichev, Y. Bai, J. Balewski, O. Barannikova, L. S. Barnby, J. Baudot, S. Bekele, V. V. Belaga, R. Bellwied, J. Berger, B. I. Bezverkhny, S. Bharadwaj, V. S. Bhatia, H. Bichsel, L. C. Bland, C. O. Blyth, B. E. Bonner, M. Botje, A. Boucham, A. Brandin, A. Bravar, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, J. Carroll, J. Castillo, D. Cebra, P. Chaloupka, S. Chattopdhyay, H. F. Chen, Y. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, D. Das, S. Das, M. M. de Moura, A. A. Derevschikov, L. Didenko, T. Dietel, W. J. Dong, X. Dong, J. E. Draper, F. Du, A. K. Dubey, V. B. Dunin, J. C. Dunlop, M. R. Dutta Mazumdar, V. Eckardt, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, P. Fachini, J. Faivre, R. Fatemi, J. Fedorisin, K. Filimonov, P. Filip, E. Finch, V. Fine, Y. Fisyak, D. Flierl, K. J. Foley, K. Fomenko, J. Fu, C. A. Gagliardi, J. Gans, M. S. Ganti, L. Gaudichet, F. Geurts, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, O. Grachov, O. Grebenyuk, S. Gronstal, D. Grosnick, S. M. Guertin, A. Gupta, T. D. Gutierrez, T. J. Hallman, A. Hamed, D. Hardtke, J. W. Harris, M. Heinz, T. W. Henry, S. Hepplemann, B. Hippolyte, A. Hirsch, E. Hjort, G. W. Hoffmann, H. Z. Huang, S. L. Huang, E. Hughes, T. J. Humanic, G. Igo, A. Ishihara, P. Jacobs, W. W. Jacobs, M. Janik, H. Jiang, P. G. Jones, E. G. Judd, S. Kabana, K. Kang, M. Kaplan, D. Keane, V. Yu. Khodyrev, J. Kiryluk, A. Kisiel, E. M. Kislov, J. Klay, S. R. Klein, A. Klyachko, D. D. Koetke, T. Kollegger, M. Kopytine, L. Kotchenda, M. Kramer, P. Kravtsov, V. I. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, C. L. Kunz, R. Kh. Kutuev, A. A. Kuznetsov, M. A. C. Lamont, J. M. Landgraf, S. Lange, C. L. Lansdell, F. Laue, J. Lauret, A. Lebedev, R. Lednicky, S. Lehocka, M. J. LeVine, C. Li, Q. Li, Y. LI, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Q. J. Liu, Z. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, T. Ludlam, D. Lynn, G. L. Ma, J. G. Ma, Y. G. Ma, D. Magestro, S. Mahajan, D. P. Mahapatra, R. Majka, L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert, L. Martin, J. N. Marx, H. S. Matis, Yu. A. Matulenko, C. J. McClain, T. S. McShane, F. Meissner, Yu. Melnick, A. Meschanin, M. L. Miller, Z. Milosevich, N. G. Minaev, C. Mironov, A. Mischke, D. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, M. J. Mora-Corral, D. A. Morozov, V. Morozov, M. G. Munhoz, B. K. Nandi, T. K. Nayak, J. M. Nelson, P. K. Netrakanti, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, S. K. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, T. Peitzmann, V. Perevoztchikov, C. Perkins, W. Peryt, V. A. Petrov, S. C. Phatak, R. Picha, M. Planinic, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V. K. S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, R. Raniwala, S. Raniwala, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, G. Renault, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Rose, L. Ruan, I. Sakrejda, S. Salur, J. Sandweiss, I. Savin, P. S. Sazhin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, K. Schweda, J. Seger, P. Seyboth, E. Shahaliev, M. Shao, W. Shao, M. Sharma, W. Q. Shen, K. E. Shestermanov, S. S. Shimanskiy, F. Simon, R. N. Singaraju, G. Skoro, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, J. Speltz, H. M. Spinka, B. Srivastava, L. St. Claire, A. Stadnik, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, C. Struck, A. A. P. Suaide, E. Sugarbaker, C. Suire, M. Sumbera, B. Surrow, T. J. M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, D. Thein, J. H. Thomas, S. Timoshenko, M. Tokarev, T. A. Trainor, S. Trentalange, R. E. Tribble, O. Tsai, T. Ullrich, D. G. Underwood, A. Urkinbaev, G. Van Buren, A. M. Vander Molen, R. Varma, I. M. Vasilevski, A. N. Vasiliev, R. Vernet, S. E. Vigdor, V. P. Viyogi, S. Vokal, M. Vznuzdaev, B. Waggoner, F. Wang, G. Wang, X. L. Wang, Y. Wang, Z. M. Wang, H. Ward, J. C. Webb, R. Wells, G. D. Westfall, A. Wetzler, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Z. Xu, E. Yamamoto, P. Yepes, V. I. Yurevich, Y. V. Zanevsky, H. Zhang, Z. P. Zhang, P. A Zolnierczuk, R. Zoulkarneev, Y. Zoulkarneeva, and A. N. Zubarev
Subjects: Physics, 010308 nuclear & particles physics, General Physics and Astronomy, Strangeness production, 01 natural sciences, 7. Clean energy, Super Proton Synchrotron, Spectral line, Baryon, Nuclear physics, 0103 physical sciences, Transverse flow effect, Transverse mass, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Bar (unit)
Abstract: The transverse mass spectra and midrapidity yields for Xis and Omegas are presented. For the 10% most central collisions, the (Xi) over bar (+)/h(-) ratio increases from the Super Proton Synchrotron to the Relativistic Heavy Ion Collider energies while the Xi(-)/h(-) stays approximately constant. A hydrodynamically inspired model fit to the Xi spectra, which assumes a thermalized source, seems to indicate that these multistrange particles experience a significant transverse flow effect, but are emitted when the system is hotter and the flow is smaller than values obtained from a combined fit to pi, K, p, and Lambdas.
Published: 2004

42. Cross Sections and Transverse Single-Spin Asymmetries in Forward Neutral-Pion Production from Proton Collisions ats=200 GeV

Author: J. Adams, C. Adler, M. M. Aggarwal, Z. Ahammed, J. Amonett, B. D. Anderson, M. Anderson, D. Arkhipkin, G. S. Averichev, S. K. Badyal, J. Balewski, O. Barannikova, L. S. Barnby, J. Baudot, S. Bekele, V. V. Belaga, R. Bellwied, J. Berger, B. I. Bezverkhny, S. Bhardwaj, P. Bhaskar, A. K. Bhati, H. Bichsel, A. Billmeier, L. C. Bland, C. O. Blyth, B. E. Bonner, M. Botje, A. Boucham, A. Brandin, A. Bravar, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, J. Carroll, J. Castillo, M. Castro, D. Cebra, P. Chaloupka, S. Chattopadhyay, H. F. Chen, Y. Chen, S. P. Chernenko, M. Cherney, A. Chikanian, B. Choi, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, D. Das, S. Das, A. A. Derevschikov, L. Didenko, T. Dietel, W. J. Dong, X. Dong, J. E. Draper, F. Du, A. K. Dubey, V. B. Dunin, J. C. Dunlop, M. R. Dutta Majumdar, V. Eckardt, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, P. Fachini, V. Faine, J. Faivre, R. Fatemi, K. Filimonov, P. Filip, E. Finch, Y. Fisyak, D. Flierl, K. J. Foley, J. Fu, C. A. Gagliardi, N. Gagunashvili, J. Gans, M. S. Ganti, L. Gaudichet, M. Germain, F. Geurts, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, O. Grachov, V. Grigoriev, S. Gronstal, D. Grosnick, M. Guedon, S. M. Guertin, A. Gupta, E. Gushin, T. D. Gutierrez, T. J. Hallman, D. Hardtke, J. W. Harris, M. Heinz, T. W. Henry, S. Heppelmann, T. Herston, B. Hippolyte, A. Hirsch, E. Hjort, G. W. Hoffmann, M. Horsley, H. Z. Huang, S. L. Huang, T. J. Humanic, G. Igo, A. Ishihara, P. Jacobs, W. W. Jacobs, M. Janik, H. Jiang, I. Johnson, P. G. Jones, E. G. Judd, S. Kabana, M. Kaneta, M. Kaplan, D. Keane, V. Yu. Khodyrev, J. Kiryluk, A. Kisiel, J. Klay, S. R. Klein, A. Klyachko, D. D. Koetke, T. Kollegger, M. Kopytine, L. Kotchenda, A. D. Kovalenko, M. Kramer, P. Kravtsov, V. I. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, G. J. Kunde, C. L. Kunz, R. Kh. Kutuev, A. A. Kuznetsov, M. A. C. Lamont, J. M. Landgraf, S. Lange, C. P. Lansdell, B. Lasiuk, F. Laue, J. Lauret, A. Lebedev, R. Lednický, M. J. LeVine, C. Li, Q. Li, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Z. Liu, Q. J. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, T. Ludlam, D. Lynn, J. Ma, Y. G. Ma, D. Magestro, S. Mahajan, L. K. Mangotra, D. P. Mahapatra, R. Majka, R. Manweiler, S. Margetis, C. Markert, L. Martin, J. Marx, H. S. Matis, Yu. A. Matulenko, T. S. McShane, F. Meissner, Yu. Melnick, A. Meschanin, M. Messer, M. L. Miller, Z. Milosevich, N. G. Minaev, C. Mironov, D. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, M. J. Mora-Corral, D. A. Morozov, V. Morozov, M. M. de Moura, M. G. Munhoz, B. K. Nandi, S. K. Nayak, T. K. Nayak, J. M. Nelson, P. Nevski, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, G. Paic, S. U. Pandey, S. K. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, V. Perevoztchikov, C. Perkins, W. Peryt, V. A. Petrov, S. C. Phatak, R. Picha, M. Planinic, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V. K. S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, R. Raniwala, S. Raniwala, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, G. Renault, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevski, J. L. Romero, A. Rose, C. Roy, L. J. Ruan, R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, I. Savin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, K. Schweda, J. Seger, D. Seliverstov, P. Seyboth, E. Shahaliev, M. Shao, M. Sharma, K. E. Shestermanov, S. S. Shimanskii, R. N. Singaraju, F. Simon, G. Skoro, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, H. M. Spinka, B. Srivastava, S. Stanislaus, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, C. Struck, A. A. P. Suaide, E. Sugarbaker, C. Suire, M. Šumbera, B. Surrow, T. J. M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, D. Thein, J. H. Thomas, V. Tikhomirov, M. Tokarev, M. B. Tonjes, T. A. Trainor, S. Trentalange, R. E. Tribble, M. D. Trivedi, V. Trofimov, O. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, A. M. VanderMolen, A. N. Vasiliev, M. Vasiliev, S. E. Vigdor, Y. P. Viyogi, S. A. Voloshin, W. Waggoner, F. Wang, G. Wang, X. L. Wang, Z. M. Wang, H. Ward, J. W. Watson, R. Wells, G. D. Westfall, C. Whitten, H. Wieman, R. Willson, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Z. Xu, Z. Z. Xu, E. Yamamoto, P. Yepes, V. I. Yurevich, Y. V. Zanevski, I. Zborovský, H. Zhang, W. M. Zhang, Z. P. Zhang, P. A. Żołnierczuk, R. Zoulkarneev, J. Zoulkarneeva, and A. N. Zubarev
Subjects: 010308 nuclear & particles physics, 0103 physical sciences, General Physics and Astronomy, 010306 general physics, 01 natural sciences
Published: 2004

43. ρ0Production and Possible Modification inAu+Auandp+pCollisions atsNN=200 GeV

Author: J. Adams, C. Adler, M. M. Aggarwal, Z. Ahammed, J. Amonett, B. D. Anderson, D. Arkhipkin, G. S. Averichev, S. K. Badyal, J. Balewski, O. Barannikova, L. S. Barnby, J. Baudot, S. Bekele, V. V. Belaga, R. Bellwied, J. Berger, B. I. Bezverkhny, S. Bhardwaj, A. K. Bhati, H. Bichsel, A. Billmeier, L. C. Bland, C. O. Blyth, B. E. Bonner, M. Botje, A. Boucham, A. Brandin, A. Bravar, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, J. Carroll, J. Castillo, D. Cebra, P. Chaloupka, S. Chattopadhyay, H. F. Chen, Y. Chen, S. P. Chernenko, M. Cherney, A. Chikanian, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, D. Das, S. Das, A. A. Derevschikov, L. Didenko, T. Dietel, W. J. Dong, X. Dong, J. E. Draper, F. Du, A. K. Dubey, V. B. Dunin, J. C. Dunlop, M. R. Dutta Majumdar, V. Eckardt, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, P. Fachini, V. Faine, J. Faivre, R. Fatemi, K. Filimonov, P. Filip, E. Finch, Y. Fisyak, D. Flierl, K. J. Foley, J. Fu, C. A. Gagliardi, N. Gagunashvili, J. Gans, M. S. Ganti, L. Gaudichet, F. Geurts, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, O. Grachov, O. Grebenyuk, S. Gronstal, D. Grosnick, S. M. Guertin, A. Gupta, T. D. Gutierrez, T. J. Hallman, A. Hamed, D. Hardtke, J. W. Harris, M. Heinz, T. W. Henry, S. Heppelmann, B. Hippolyte, A. Hirsch, E. Hjort, G. W. Hoffmann, M. Horsley, H. Z. Huang, S. L. Huang, E. Hughes, T. J. Humanic, G. Igo, A. Ishihara, P. Jacobs, W. W. Jacobs, M. Janik, H. Jiang, I. Johnson, P. G. Jones, E. G. Judd, S. Kabana, M. Kaplan, D. Keane, V. Yu. Khodyrev, J. Kiryluk, A. Kisiel, J. Klay, S. R. Klein, A. Klyachko, D. D. Koetke, T. Kollegger, M. Kopytine, L. Kotchenda, A. D. Kovalenko, M. Kramer, P. Kravtsov, V. I. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, G. J. Kunde, C. L. Kunz, R. Kh. Kutuev, A. A. Kuznetsov, M. A. C. Lamont, J. M. Landgraf, S. Lange, B. Lasiuk, F. Laue, J. Lauret, A. Lebedev, R. Lednický, M. J. LeVine, C. Li, Q. Li, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Z. Liu, Q. J. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, T. Ludlam, D. Lynn, J. Ma, Y. G. Ma, D. Magestro, S. Mahajan, L. K. Mangotra, D. P. Mahapatra, R. Majka, R. Manweiler, S. Margetis, C. Markert, L. Martin, J. Marx, H. S. Matis, Yu. A. Matulenko, C. J. McClain, T. S. McShane, F. Meissner, Yu. Melnick, A. Meschanin, M. L. Miller, Z. Milosevich, N. G. Minaev, C. Mironov, A. Mischke, D. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, M. J. Mora-Corral, D. A. Morozov, V. Morozov, M. M. de Moura, M. G. Munhoz, B. K. Nandi, S. K. Nayak, T. K. Nayak, J. M. Nelson, P. K. Netrakanti, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, G. Paic, S. K. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, T. Peitzmann, V. Perevoztchikov, C. Perkins, W. Peryt, V. A. Petrov, S. C. Phatak, R. Picha, M. Planinic, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V. K. S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, R. Raniwala, S. Raniwala, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, G. Renault, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevski, J. L. Romero, A. Rose, C. Roy, L. J. Ruan, R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, I. Savin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, K. Schweda, J. Seger, P. Seyboth, E. Shahaliev, M. Shao, W. Shao, M. Sharma, K. E. Shestermanov, S. S. Shimanskii, R. N. Singaraju, F. Simon, G. Skoro, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, J. Speltz, H. M. Spinka, B. Srivastava, T. D. S. Stanislaus, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, C. Struck, A. A. P. Suaide, E. Sugarbaker, C. Suire, M. Šumbera, B. Surrow, T. J. M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, D. Thein, J. H. Thomas, S. Timoshenko, M. Tokarev, M. B. Tonjes, T. A. Trainor, S. Trentalange, R. E. Tribble, O. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, A. M. VanderMolen, R. Varma, I. Vasilevski, A. N. Vasiliev, R. Vernet, S. E. Vigdor, Y. P. Viyogi, S. A. Voloshin, M. Vznuzdaev, W. Waggoner, F. Wang, G. Wang, X. L. Wang, Y. Wang, Z. M. Wang, H. Ward, J. W. Watson, J. C. Webb, R. Wells, G. D. Westfall, C. Whitten, H. Wieman, R. Willson, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Z. Xu, Z. Z. Xu, E. Yamamoto, P. Yepes, V. I. Yurevich, B. Yuting, Y. V. Zanevski, H. Zhang, W. M. Zhang, Z. P. Zhang, Z. P. Zhaomin, Z. P. Zizong, P. A. Żołnierczuk, R. Zoulkarneev, J. Zoulkarneeva, and A. N. Zubarev
Subjects: Physics, Annihilation, Meson, 010308 nuclear & particles physics, General Physics and Astronomy, Multiplicity (mathematics), 01 natural sciences, Nuclear physics, Phase space, 0103 physical sciences, Transverse momentum, Pi, Production (computer science), Invariant mass, Nuclear Experiment, 010306 general physics
Abstract: We report results on rho(770)(0)-->pi(+)pi(-) production at midrapidity in p+p and peripheral Au+Au collisions at sqrt[s(NN)]=200 GeV. This is the first direct measurement of rho(770)(0)-->pi(+)pi(-) in heavy-ion collisions. The measured rho(0) peak in the invariant mass distribution is shifted by approximately 40 MeV/c(2) in minimum bias p+p interactions and approximately 70 MeV/c(2) in peripheral Au+Au collisions. The rho(0) mass shift is dependent on transverse momentum and multiplicity. The modification of the rho(0) meson mass, width, and shape due to phase space and dynamical effects are discussed.
Published: 2004

44. Particle-Type Dependence of Azimuthal Anisotropy and Nuclear Modification of Particle Production inAu+AuCollisions atsNN=200 GeV

Author: A. Tai, R. L. Ray, E. Potrebenikova, G. Sood, J. Amonett, J. Klay, I. Sakrejda, T. Ljubicic, V. Emelianov, A. Lebedev, A. K. Bhati, T. J. Humanic, D. Keane, S. Gronstal, H. Caines, Sudhir Raniwala, M. M. de Moura, I.A. Savin, N. T. Porile, Nikolai Smirnov, R. Stock, J. Mitchell, L. G. Efimov, M. Botje, M. L. Miller, T. K. Nayak, Yu A. Matulenko, B. E. Bonner, O. D. Tsai, P. Szarwas, A. K. Dubey, Zhenyu Zhang, A. Ishihara, J. Marx, M. Horsley, B. Stringfellow, Z. Xu, Souvik Das, R. Witt, V. Yu Khodyrev, J. C. Dunlop, M. A. Vasiliev, Zubayer Ahammed, M. J. LeVine, S. K. Badyal, L. S. Schroeder, Anik Gupta, J. Balewski, Rashmi Raniwala, D. Reichhold, F. Retiere, A. Billmeier, B. K. Srivastava, J. Gans, S. Bhardwaj, Boris Hippolyte, H. Jiang, M. Heinz, Lee Stuart Barnby, Claude Andre Pruneau, J. G. Cramer, B. Erazmus, R. V. Cadman, A. Stolpovsky, A. I. Pavlinov, F. Liu, M. B. Tonjes, T. Ullrich, S. V. Razin, L. Gaudichet, J. Kiryluk, N. G. Minaev, L. K. Mangotra, Jianhong Wu, F. Laue, A. Szanto de Toledo, V. V. Belaga, Basanta Kumar Nandi, Jay Roberts, V. Morozov, C. L. Kunz, L. Kotchenda, C. F. Moore, Sevil Salur, R. Zoulkarneev, R. Manweiler, L. C. Bland, S. Kabana, R. Wells, E. Yamamoto, C. P. Lansdell, T. Pawlak, D. Cebra, R.J.M. Snellings, Frank Jm Geurts, M. Kramer, T. S. McShane, A. M. Poskanzer, S. Trentalange, S. C. Phatak, M. Guedon, A. M. VanderMolen, T. D. Gutierrez, D. Hardtke, R. D. Majka, M. Estienne, C. Roy, J. Porter, M. Castro, Joseph Adams, C. O. Blyth, Z. M. Wang, Yu Melnick, S. Margetis, J. Schambach, H. Bichsel, G. Odyniec, P. Bhaskar, W. A. Love, B. I. Bezverkhny, M. R. Dutta Majumdar, D. Magestro, Y. Panebratsev, D. Grosnick, Peter Graham Jones, A. Klyachko, W. Christie, V. A. Nikitin, Zhongyukun Xu, M. Potekhin, R. Willson, D. G. Underwood, O. A. Grachov, K. E. Shestermanov, X. Dong, Lijuan Ruan, M. D. Trivedi, A. Bravar, A. I. Kulikov, Masashi Kaneta, W. T. Waggoner, G. Rai, David Lynn, Madan M. Aggarwal, D. Thein, C. A. Whitten, W. M. Zhang, Andrey Vasiliev, Fuqiang Wang, Vladimir Tikhomirov, D. Mishra, G. Skoro, N. Schmitz, M. Shao, G. Rakness, Y. P. Viyogi, Q. J. Liu, B. Norman, E. Shahaliev, M. Oldenburg, P. Chaloupka, M. Kopytine, J. Fu, M. J. Mora-Corral, S. M. Guertin, M. Tokarev, Janet Elizabeth Seger, T. J. Hallman, T. J. M. Symons, V. Ghazikhanian, L. Didenko, Matthew J. Anderson, Alexandre Alarcon Do Passo Suaide, K. Schweda, Adam Ryszard Kisiel, J. G. Ma, A. H. Tang, B. V.K.S. Potukuchi, V. I. Yurevich, Yu-Gang Ma, J. H. Thomas, S. Lange, Vladimir Petrov, Guy Paic, A. Chikanian, S. S. Shimanskii, J. L. Romero, Julien Faivre, Marie Germain, A. A. Kuznetsov, H. J. Crawford, A. V. Brandin, P. Seyboth, Sergey Voloshin, S. J. Lindenbaum, Frank Simon, Marcelo Gameiro Munhoz, D. P. Mahapatra, D. J. Prindle, S. P. Chernenko, R.Kh. Kutuev, J. Berger, N. Xu, P. Filip, Yu Chen, W. J. Llope, K. J. Foley, E. Finch, J. Engelage, H. H. Wieman, R. Fatemi, H. Zhang, John N. Wood, Olivier Ravel, Vitaly Okorokov, A. Boucham, A. P. Meschanin, R. Lednický, D. Arkhipkin, A. Kumar, B. Choi, A. N. Zubarev, I. Zborovský, K. Krueger, M. A. Lisa, A. Rose, Rama Narayana Singaraju, Premomoy Ghosh, X. L. Wang, S. Bekele, G. D. Westfall, J. M. Landgraf, Z. Liu, F. Du, W. J. Dong, E. G. Judd, S. E. Vigdor, Christian Claude Kuhn, J. Baudot, R. Picha, C. Perkins, E. Hjort, B. Lasiuk, M. Messer, H. Long, Malgorzata Anna Janik, Y. V. Zanevski, V. B. Dunin, Alexander Kovalenko, L. V. Nogach, M. Cherney, M. Strikhanov, B. Surrow, J. Carroll, C. A. Gagliardi, Thomas Michael Cormier, S. K. Nayak, G. S. Averichev, T. Herston, V. I. Kravtsov, P. Nevski, P. Fachini, J. E. Gonzalez, Bedangadas Mohanty, Christina Markert, J. Sandweiss, V. Trofimov, Manish Sharma, R. S. Longacre, A. S. Hirsch, P. Kravtsov, C. Adler, Debasish Das, Raghunath Sahoo, M. Lopez-Noriega, H. M. Spinka, Jeffrey G. Reid, S. R. Klein, G. Igo, J. Zoulkarneeva, P. A. Żołnierczuk, J. Sowinski, O. Barannikova, D. L. Olson, Michal Sumbera, G. Renault, A. A. Derevschikov, C. Mironov, Morton Kaplan, Y. Fisyak, C. Suire, P. Sorensen, Ian Johnson, G. Van Buren, V. Faine, J. Castillo, S. W. Wissink, T. W. Ludlam, H. G. Ritter, J. M. Nelson, H. Z. Huang, R. Bellwied, W. Peryt, N.D. Gagunashvili, Sukalyan Chattopadhyay, D. Seliverstov, M. S. Ganti, Peter Martin Jacobs, V. Perevoztchikov, K. Filimonov, Sergey Panitkin, Gang Wang, A. Ridiger, Thorsten Sven Kollegger, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, S. Heppelmann, D. Flierl, L. Martin, D. D. Koetke, J. E. Draper, J. P. Coffin, O. V. Rogachevski, E. Sugarbaker, J. W. Harris, F. Meissner, Lianshou Liu, D. A. Morozov, E. Gushin, G. J. Kunde, P. Yepes, V. Eckardt, C. Struck, J. Takahashi, G. Eppley, J. Putschke, J. W. Watson, Xu Cai, J. Pluta, A. Ogawa, R. E. Tribble, Shengli Huang, Thomas A. Trainor, Gerald W Hoffmann, C-Q. Li, Susanta Kumar Pal, R. P. Scharenberg, S. U. Pandey, Hao-Ze Chen, H. S. Matis, M. Calderon De La Barca Sanchez, B. D. Anderson, W. W. Jacobs, S. Mahajan, Q. Li, J. Lauret, L. Molnar, S. Stanislaus, H. Ward, T. Dietel, Mirko Planinic, T. W. Henry, and V. Grigoriev
Subjects: Quantum chromodynamics, Physics, High Energy Physics::Phenomenology, Hadron, Elliptic flow, General Physics and Astronomy, Parton, Lambda, Baryon, Nuclear physics, High Energy Physics::Experiment, Nuclear Experiment, Anisotropy, Scaling
Abstract: We present STAR measurements of the azimuthal anisotropy parameter v{sub 2} and the binary-collision scaled centrality ratio R{sub CP} for kaons and lambdas ({Lambda} + {bar {Lambda}}) at mid-rapidity in Au+Au collisions at {radical}s{sub NN} = 200 GeV. In combination, the v{sub 2} and R{sub CP} particle-type dependencies contradict expectations from partonic energy loss followed by standard fragmentation in vacuum. We establish p{sub T} {approx} 5 GeV/c as the value where the centrality dependent baryon enhancement ends. The K{sub S}{sup 0} and {Lambda} + {bar {Lambda}} v{sub 2} values are consistent with expectations of constituent-quark-number scaling from models of hadron formation by parton coalescence or recombination.
Published: 2004

45. Azimuthal anisotropy at the relativistic heavy ion collider: The first and fourth harmonics

Author: R. Wells, M. Castro, M. R. Dutta Majumdar, I. Sakrejda, G. Eppley, J. Engelage, John N. Wood, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, H. Bichsel, G. Odyniec, V. Trofimov, Xu Cai, J. Pluta, D. P. Mahapatra, Zhongyukun Xu, M. Potekhin, Hao-Ze Chen, N. Schmitz, M. Calderon De La Barca Sanchez, E. Sugarbaker, E. Shahaliev, M. L. Miller, Yu Chen, David Lynn, Premomoy Ghosh, J. M. Landgraf, Z. Liu, K. Schweda, P. Szarwas, T. S. McShane, Zhenyu Zhang, C-Q. Li, R. P. Scharenberg, D. Seliverstov, R. E. Tribble, F. Meissner, S. Mahajan, J. G. Ma, P. A. Żołnierczuk, Q. Li, Joseph Adams, M. Strikhanov, Peter Martin Jacobs, C. Roy, H. M. Spinka, Gerald W Hoffmann, H. S. Matis, Michal Sumbera, G. Renault, V. A. Nikitin, C. Suire, Gang Wang, Marcelo Gameiro Munhoz, D. Magestro, I. Zborovský, D. J. Prindle, X. L. Wang, C. P. Lansdell, R.J.M. Snellings, R. N. Singaraju, W. W. Jacobs, V. Faine, H. Zhang, K. E. Shestermanov, A. P. Meschanin, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, S. C. Phatak, D. A. Morozov, M. A. Lisa, J. Lauret, E. Yamamoto, J. W. Harris, E. Hjort, J. Castillo, G. Skoro, C. Perkins, W. J. Dong, Christina Markert, S. W. Wissink, D. Thein, J. Sandweiss, A. Klyachko, L. Molnar, S. Stanislaus, M. Kopytine, J. Fu, H. Ward, B. V.K.S. Potukuchi, Yu-Gang Ma, A. Ridiger, Thorsten Sven Kollegger, S. V. Razin, Manish Sharma, Vladimir Petrov, J. Carroll, M. D. Trivedi, M. Tokarev, S. P. Chernenko, W. J. Llope, H. G. Ritter, S. K. Nayak, S. Heppelmann, H. Z. Huang, Lianshou Liu, D. Flierl, Sergey Voloshin, C. A. Gagliardi, Z. Xu, Y. P. Viyogi, Vladimir Tikhomirov, B. D. Anderson, Julien Faivre, V. Ghazikhanian, A. Rose, E. Gushin, G. J. Kunde, P. Yepes, V. Eckardt, Anik Gupta, L. Martin, Adam Ryszard Kisiel, R. Bellwied, K. J. Foley, A. V. Brandin, L. Gaudichet, T. Herston, C. O. Blyth, R. S. Longacre, M. Heinz, Lee Stuart Barnby, J. Kiryluk, B. Lasiuk, H. Long, R. V. Cadman, J. E. Gonzalez, Bedangadas Mohanty, D. D. Koetke, Jianhong Wu, A. Billmeier, C. Struck, H. J. Crawford, J. L. Romero, H. H. Wieman, J. Takahashi, J. Putschke, J. W. Watson, P. Chaloupka, J. G. Cramer, J. E. Draper, B. Norman, A. Kumar, B. Choi, F. Du, Debasish Das, Raghunath Sahoo, S. E. Vigdor, Christian Claude Kuhn, A. Ogawa, Shengli Huang, Thomas A. Trainor, Jay Roberts, Frank Jm Geurts, L. K. Mangotra, J. Baudot, J. P. Coffin, O. V. Rogachevski, Morton Kaplan, Y. V. Zanevski, Alexander Kovalenko, L. V. Nogach, A. H. Tang, Guy Paic, T. Dietel, E. Finch, G. Igo, J. Zoulkarneeva, Mirko Planinic, R. Fatemi, M. Lopez-Noriega, R. Manweiler, A. Chikanian, S. S. Shimanskii, B. Surrow, A. M. Poskanzer, V. I. Kravtsov, W. A. Love, K. Krueger, T. W. Henry, M. Kramer, C. L. Kunz, C. Mironov, D. K. Mishra, D. Reichhold, G. Rakness, A. Boucham, R. Picha, Y. Fisyak, D. Arkhipkin, P. Sorensen, L. C. Bland, S. Bekele, A. I. Pavlinov, W. T. Waggoner, E. G. Judd, Madan M. Aggarwal, Fuqiang Wang, C. F. Moore, M. Oldenburg, A. Ishihara, T. J. Humanic, M. Cherney, Ian Johnson, A. A. Kuznetsov, I.A. Savin, N. T. Porile, Thomas Michael Cormier, P. Nevski, H. Jiang, G. Van Buren, V. I. Yurevich, Basanta Kumar Nandi, Olivier Ravel, Frank Simon, V. A. Okorokov, M. Guedon, A. M. VanderMolen, F. Liu, M. B. Tonjes, Yu A. Matulenko, M. Horsley, A. K. Dubey, Souvik Das, T. W. Ludlam, J. M. Nelson, R. Witt, B. Stringfellow, P. Seyboth, W. Peryt, S. U. Pandey, V. Morozov, V. Yu Khodyrev, B. K. Srivastava, J. Gans, S. Bhardwaj, Boris Hippolyte, J. C. Dunlop, Zubayer Ahammed, M. J. LeVine, T. D. Gutierrez, D. Hardtke, S. K. Badyal, R. D. Majka, L. S. Schroeder, Z. M. Wang, S. Margetis, J. Schambach, W. Christie, A. I. Kulikov, Masashi Kaneta, W. M. Zhang, Andrey Vasiliev, M. Shao, Janet Elizabeth Seger, A. Lebedev, M. M. de Moura, M. Botje, N.D. Gagunashvili, Sukalyan Chattopadhyay, M. S. Ganti, V. Perevoztchikov, K. Filimonov, Sergey Panitkin, A. S. Hirsch, P. Kravtsov, C. Adler, Jeffrey G. Reid, J. Sowinski, V. Grigoriev, R. L. Ray, E. Potrebenikova, T. Ljubicic, H. Caines, Sudhir Raniwala, J. Balewski, Rashmi Raniwala, Claude Andre Pruneau, T. Ullrich, R. Zoulkarneev, S. Kabana, B. I. Bezverkhny, O. A. Grachov, X. Dong, A. Bravar, S. K. Pal, Matthew J. Anderson, J. H. Thomas, R. Lednický, G. S. Averichev, R. Willson, D. G. Underwood, Lijuan Ruan, Q. J. Liu, T. J. Hallman, T. J. M. Symons, R.Kh. Kutuev, J. Berger, F. Retiere, N. G. Minaev, V. B. Dunin, B. Erazmus, N. Xu, D. Cebra, S. Trentalange, P. Filip, M. Estienne, Yu Melnick, G. D. Westfall, Malgorzata Anna Janik, F. Laue, A. Szanto de Toledo, T. Pawlak, J. Porter, P. Bhaskar, C. A. Whitten, M. J. Mora-Corral, S. Lange, S. J. Lindenbaum, Marie Germain, A. N. Zubarev, M. Messer, P. Fachini, V. V. Belaga, Peter Graham Jones, L. Didenko, S. R. Klein, O. Barannikova, D. L. Olson, A. A. Derevschikov, Y. Panebratsev, D. Grosnick, G. Rai, A. Tai, G. Sood, J. Amonett, J. Klay, V. Emelianov, A. K. Bhati, D. Keane, S. Gronstal, Nikolai Smirnov, R. Stock, J. Mitchell, L. G. Efimov, T. K. Nayak, B. E. Bonner, O. D. Tsai, J. Marx, M. A. Vasiliev, Sevil Salur, A. Stolpovsky, L. Kotchenda, Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Laboratoire SUBATECH Nantes (SUBATECH), Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and STAR
Subjects: Physics, Time projection chamber, 010308 nuclear & particles physics, Plane (geometry), Elliptic flow, General Physics and Astronomy, Particle accelerator, 01 natural sciences, law.invention, Nuclear physics, Azimuth, law, Harmonics, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], 0103 physical sciences, Atomic physics, time projection chamber, nuclear collisions, collective flow, star, energies, 010306 general physics, Anisotropy, Relativistic Heavy Ion Collider, Nuclear Experiment
Abstract: We report the first observations of the first harmonic (directed flow, v(1)) and the fourth harmonic (v(4)), in the azimuthal distribution of particles with respect to the reaction plane in Au+Au collisions at the BNL Relativistic Heavy Ion Collider (RHIC). Both measurements were done taking advantage of the large elliptic flow (v(2)) generated at RHIC. From the correlation of v(2) with v(1) it is determined that v(2) is positive, or in-plane. The integrated v(4) is about a factor of 10 smaller than v(2). For the sixth (v(6)) and eighth (v(8)) harmonics upper limits on the magnitudes are reported.
Published: 2004

46. Pion-Kaon Correlations in CentralAu+AuCollisions atsNN=130 GeV

Author: R. S. Longacre, Y. Fisyak, Ian Johnson, A. Stolpovsky, J. G. Cramer, L. Kotchenda, Raghunath Sahoo, H. Zhang, M. Castro, D. Thein, I. Sakrejda, G. Igo, M. Oldenburg, J. Zoulkarneeva, V. Petrov, G. Eppley, M. Kopytine, J. Fu, Saroj K. Nayak, Morton Kaplan, X. Z. Cai, M. Calderon De La Barca Sanchez, P. Sorensen, M. L. Miller, M. Shao, G. Van Buren, D. Seliverstov, T. W. Ludlam, J. M. Nelson, M. Tokarev, Y. G. Ma, W. Peryt, Guy Paic, A. Chikanian, S. S. Shimanskii, S. M. Guertin, J. Pluta, L. Molnar, T. S. McShane, J. Takahashi, P. Szarwas, M. A. C. Lamont, K. Schweda, S. B. Nurushev, Z. Milosevich, Sergey Voloshin, H. M. Spinka, D. P. Mahapatra, C. P. Lansdell, S. Mahajan, Q. Li, Yu Chen, K. J. Foley, M. Heinz, D. K. Mishra, Julien Faivre, Christophe Pierre Suire, A. V. Brandin, Rene Bellwied, R.J.M. Snellings, G. Wang, J. Porter, R. Fatemi, Y. Panebratsev, S. V. Razin, L. Gaudichet, R. Lednický, V. A. Nikitin, A. Boucham, T. J. Humanic, D. Arkhipkin, E. G. Judd, D. Grosnick, S. C. Phatak, A. Kumar, V. V. Belaga, J. Balewski, VL Rykov, S. E. Vigdor, R. E. Tribble, G. Rai, Rashmi Raniwala, R. Willson, D. G. Underwood, J. Baudot, Gerald W Hoffmann, K. E. Shestermanov, H. H. Wieman, Marcelo Gameiro Munhoz, D. J. Prindle, R. Picha, S. Bekele, P. A. Żołnierczuk, J. N. Marx, Christian Claude Kuhn, Y. V. Zanevski, Claude Andre Pruneau, M. R. Dutta Majumdar, Jay Roberts, Michal Sumbera, A. A. P. Suaide, G. Renault, N.D. Gagunashvili, S. Kabana, Y. P. Viyogi, J. W. Mitchell, P. Seyboth, T. Ullrich, Z. Z. Xu, M. Cherney, Thomas Michael Cormier, D. Reichhold, V. Faine, L. K. Mangotra, J. Castillo, C. Roy, I.A. Savin, Peter Graham Jones, N. T. Porile, R. N. Singaraju, A. P. Meschanin, S. W. Wissink, C. L. Kunz, K. Krueger, R. Zoulkarneev, Z. P. Zhang, L. C. Bland, J. H. Thomas, N. Schmitz, E. Shahaliev, C. F. Moore, Nikita Smirnov, P. Nevski, B. Choi, A. A. Kuznetsov, S. Y. Panitkin, A. S. Hirsch, P. M. Jacobs, R. Manweiler, R. V. Cadman, Jianhong Wu, P. Kravtsov, C. Adler, S. P. Chernenko, A. Klyachko, T. J. M. Symons, E. Yamamoto, B. E. Bonner, A. E. Yakutin, F. Du, Frank Jm Geurts, Camelia Mironov, J. W. Harris, W. J. Llope, M. A. Lisa, E. Sugarbaker, T. W. Henry, D. Magestro, J. E. Draper, H. Z. Huang, V. Ghazikhanian, O. D. Tsai, Yu A. Matulenko, M. Horsley, Thomas Dietel, B. D. Anderson, Jeffrey G. Reid, Alexander Kovalenko, B. Stringfellow, J. E. Gonzalez, Bedangadas Mohanty, B. Lasiuk, Vladimir Tikhomirov, M. D. Trivedi, J. L. Romero, L. Didenko, L. V. Nogach, P. Chaloupka, Manish Sharma, G. S. Averichev, E. Gushin, P. Yepes, V. Eckardt, G. Skoro, M. A. Vasiliev, A. H. Tang, X. L. Wang, H. Long, J. C. Dunlop, Jinghui Yang, S. Trentalange, C. Struck, Sukalyan Chattopadhyay, E. Finch, M. S. Ganti, F. Meissner, M. Lopez-Noriega, B. I. Bezverkhny, S. Margetis, W. T. Waggoner, Adam Ryszard Kisiel, J. B. Carroll, T. J. Hallman, A. Szanto de Toledo, H. Bichsel, J. Kiryluk, Rajarshi Ray, H. J. Crawford, A. Ishihara, V. Perevoztchikov, V. Trofimov, K. Filimonov, E. Hjort, Zubayer Ahammed, Sevil Salur, Saurabh Pandey, M. J. LeVine, Gregory Rakness, A. Tai, G. Sood, J. L. Klay, T. Pawlak, Joram Berger, H. G. Ritter, S. R. Klein, O. A. Grachov, Zhongyukun Xu, M. Potekhin, X. Dong, O. Barannikova, D. L. Olson, A. Ridiger, J. Amonett, J. R. Adams, A. S. Konstantinov, S. K. Pal, Basanta Kumar Nandi, S. K. Badyal, V. Emelianov, A. K. Bhati, D. Keane, S. Gronstal, S. Heppelmann, D. Flierl, L. Martin, R.Kh. Kutuev, R. Stock, A. Bravar, M. Guedon, A. M. Poskanzer, A. M. VanderMolen, Russell Wells, David Lynn, L. G. Efimov, V. B. Dunin, T. K. Nayak, A. A. Derevschikov, L. Liu, V. M. Leontiev, Olivier Ravel, L. S. Schroeder, V. Grigoriev, J. P. Coffin, O. V. Rogachevski, Marie Germain, E. Potrebenikova, A. N. Zubarev, R. Witt, M. Messer, P. Fachini, J. G. Ma, T. Ljubicic, B. K. Srivastava, H. Caines, Sudhir Raniwala, B. Erazmus, J. Gans, S. Bhardwaj, Boris Hippolyte, Gerd Joachim Kunde, D. Cebra, Yu Melnick, B. V. K. S. Potukuchi, J. Putschke, J. W. Watson, A. Ogawa, H. F. Chen, Shengli Huang, Thomas A. Trainor, C-Q. Li, R. P. Scharenberg, Christina Markert, H. S. Matis, W. W. Jacobs, J. Lauret, S. Stanislaus, H. Ward, Mirko Planinic, Michael W. Anderson, N. Xu, P. Filip, Debasish Das, G. D. Westfall, S. Das, A. Gupta, Malgorzata Anna Janik, Anand Kumar Dubey, F. Retiere, N. G. Minaev, Vitaly Okorokov, Bernd Surrow, P. Bhaskar, C. A. Gagliardi, Q. J. Liu, C. A. Whitten, T. Herston, L. Ruan, M. J. Mora-Corral, Lee Stuart Barnby, A. Rose, S. Lange, S. J. Lindenbaum, W. A. Love, D. D. Koetke, Madan M. Aggarwal, Fuqiang Wang, V. I. Yurevich, Frank Simon, J. Engelage, John N. Wood, Premomoy Ghosh, J. M. Landgraf, M. Strikhanov, A. Billmeier, G. Odyniec, J. Sandweiss, Z. Liu, C. O. Blyth, B. Norman, W. Christie, A. I. Kulikov, Masashi Kaneta, W. M. Zhang, Andrey Vasiliev, Janet Elizabeth Seger, A. Lebedev, M. M. de Moura, M. Botje, T. Kollegger, A. I. Pavlinov, F. Liu, M. B. Tonjes, V. Morozov, T. D. Gutierrez, D. Hardtke, F. Laue, R. D. Majka, J. Sowinski, Z. M. Wang, J. Schambach, Michael Kramer, and I. Zborovský
Subjects: Physics, Particle physics, Pion, Nuclear Theory, General Physics and Astronomy, High Energy Physics::Experiment, Nuclear Experiment
Published: 2003

47. Charged pion production in2Ato8AGeVcentralAu+AuCollisions

Author: James Alexander, S. Gushue, D. L. Olson, J. E. Draper, W. Caskey, H. G. Ritter, C. Law, M. Heffner, Lei Huo, Kenneth M. Crowe, W. N. Zhang, M. A. Lisa, C. Pinkenburg, R. P. Scharenberg, Russell Wells, H. Liu, N. N. Ajitanand, S. Y. Panitkin, J. Whitfield, J. Lauret, L. Wood, Brian Cole, J. L. Chance, D. Cebra, G. Odyniec, N. T. B. Stone, A. C. Das, E. Hjort, F. P. Brady, J. L. Klay, Roy A. Lacey, T. Wienold, N. T. Porile, T. Case, A. S. Hirsch, Morton Kaplan, R. L. McGrath, M. L. Gilkes, R. Witt, B. K. Srivastava, M. Justice, J. L. Romero, J. C. Kintner, Z. Milosevich, S. Wang, T. J. M. Symons, M. Anderson, D. Keane, P. Chung, Y. M. Liu, D. Best, David Krofcheck, and G. Rai
Subjects: Excitation function, Physics, Nuclear and High Energy Physics, Range (particle radiation), 010308 nuclear & particles physics, Nuclear Theory, 01 natural sciences, Spectral line, Nuclear physics, Pion, 0103 physical sciences, Transverse mass, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, 010306 general physics, Nucleon, Beam (structure)
Abstract: Brookhaven-AGS. Measuerment of the spectra of charged pions over nearly full rapidity coverage from target to beam rapidity in the centrality range 0-5pct in AU-AU collisions at beam energies from 2 to 8 A GeV/nucleon. The rapidity densities are extracted using a thermal paramatrization model to fit the transverse mass spectra.. Numerical values supplied by J Klay.. This part (1) covers the data at 2 GeV/nucleon. Brookhaven-AGS. Measuerment of the spectra of charged pions over nearly full rapidity coverage from target to beam rapidity in the centrality range 0-5pct in AU-AU collisions at beam energies from 2 to 8 A GeV/nucleon. The rapidity densities are extracted using a thermal paramatrization model to fit the transverse mass spectra.. Numerical values supplied by J Klay.. This part (2) covers the data at 4 GeV/nucleon. Brookhaven-AGS. Measuerment of the spectra of charged pions over nearly full rapidity coverage from target to beam rapidity in the centrality range 0-5pct in AU-AU collisions at beam energies from 2 to 8 A GeV/nucleon. The rapidity densities are extracted using a thermal paramatrization model to fit the transverse mass spectra.. Numerical values supplied by J Klay.. This part (3) covers the data at 6.0 GeV/nucleon. Brookhaven-AGS. Measuerment of the spectra of charged pions over nearly full rapidity coverage from target to beam rapidity in the centrality range 0-5pct in AU-AU collisions at beam energies from 2 to 8 A GeV/nucleon. The rapidity densities are extracted using a thermal paramatrization model to fit the transverse mass spectra.. Numerical values supplied by J Klay.. This part (4) covers the data at 8.0 GeV/nucleon. Brookhaven-AGS. Measurement of the spectra of charged pions over nearly full rapidity coverage from target to beam rapidity in the centrality range 0-5pct in AU-AU collisions at beam energies from 2 to 8 A GeV/nucleon. The rapidity densities are extracted using a thermal paramatrization model to fit the transverse mass spectra.. Numerical values supplied by J Klay.. This part (5) covers the data Rapidiy density data.
Published: 2003

48. Cross sections and transverse single-spin asymmetries in forward neutral-pion production from proton collisions at sqrt[s]=200 GeV

Author: J, Adams, C, Adler, M M, Aggarwal, Z, Ahammed, J, Amonett, B D, Anderson, M, Anderson, D, Arkhipkin, G S, Averichev, S K, Badyal, J, Balewski, O, Barannikova, L S, Barnby, J, Baudot, S, Bekele, V V, Belaga, R, Bellwied, J, Berger, B I, Bezverkhny, S, Bhardwaj, P, Bhaskar, A K, Bhati, H, Bichsel, A, Billmeier, L C, Bland, C O, Blyth, B E, Bonner, M, Botje, A, Boucham, A, Brandin, A, Bravar, R V, Cadman, X Z, Cai, H, Caines, M, Calderón de la Barca Sánchez, J, Carroll, J, Castillo, M, Castro, D, Cebra, P, Chaloupka, S, Chattopadhyay, H F, Chen, Y, Chen, S P, Chernenko, M, Cherney, A, Chikanian, B, Choi, W, Christie, J P, Coffin, T M, Cormier, J G, Cramer, H J, Crawford, D, Das, S, Das, A A, Derevschikov, L, Didenko, T, Dietel, W J, Dong, X, Dong, J E, Draper, F, Du, A K, Dubey, V B, Dunin, J C, Dunlop, M R, Dutta Majumdar, V, Eckardt, L G, Efimov, V, Emelianov, J, Engelage, G, Eppley, B, Erazmus, M, Estienne, P, Fachini, V, Faine, J, Faivre, R, Fatemi, K, Filimonov, P, Filip, E, Finch, Y, Fisyak, D, Flierl, K J, Foley, J, Fu, C A, Gagliardi, N, Gagunashvili, J, Gans, M S, Ganti, L, Gaudichet, M, Germain, F, Geurts, V, Ghazikhanian, P, Ghosh, J E, Gonzalez, O, Grachov, V, Grigoriev, S, Gronstal, D, Grosnick, M, Guedon, S M, Guertin, A, Gupta, E, Gushin, T D, Gutierrez, T J, Hallman, D, Hardtke, J W, Harris, M, Heinz, T W, Henry, S, Heppelmann, T, Herston, B, Hippolyte, A, Hirsch, E, Hjort, G W, Hoffmann, M, Horsley, H Z, Huang, S L, Huang, T J, Humanic, G, Igo, A, Ishihara, P, Jacobs, W W, Jacobs, M, Janik, H, Jiang, I, Johnson, P G, Jones, E G, Judd, S, Kabana, M, Kaneta, M, Kaplan, D, Keane, V Yu, Khodyrev, J, Kiryluk, A, Kisiel, J, Klay, S R, Klein, A, Klyachko, D D, Koetke, T, Kollegger, M, Kopytine, L, Kotchenda, A D, Kovalenko, M, Kramer, P, Kravtsov, V I, Kravtsov, K, Krueger, C, Kuhn, A I, Kulikov, A, Kumar, G J, Kunde, C L, Kunz, R Kh, Kutuev, A A, Kuznetsov, M A C, Lamont, J M, Landgraf, S, Lange, C P, Lansdell, B, Lasiuk, F, Laue, J, Lauret, A, Lebedev, R, Lednický, M J, LeVine, C, Li, Q, Li, S J, Lindenbaum, M A, Lisa, F, Liu, L, Liu, Z, Liu, Q J, Liu, T, Ljubicic, W J, Llope, H, Long, R S, Longacre, M, Lopez-Noriega, W A, Love, T, Ludlam, D, Lynn, J, Ma, Y G, Ma, D, Magestro, S, Mahajan, L K, Mangotra, D P, Mahapatra, R, Majka, R, Manweiler, S, Margetis, C, Markert, L, Martin, J, Marx, H S, Matis, Yu A, Matulenko, T S, McShane, F, Meissner, Yu, Melnick, A, Meschanin, M, Messer, M L, Miller, Z, Milosevich, N G, Minaev, C, Mironov, D, Mishra, J, Mitchell, B, Mohanty, L, Molnar, C F, Moore, M J, Mora-Corral, D A, Morozov, V, Morozov, M M, de Moura, M G, Munhoz, B K, Nandi, S K, Nayak, T K, Nayak, J M, Nelson, P, Nevski, V A, Nikitin, L V, Nogach, B, Norman, S B, Nurushev, G, Odyniec, A, Ogawa, V, Okorokov, M, Oldenburg, D, Olson, G, Paic, S U, Pandey, S K, Pal, Y, Panebratsev, S Y, Panitkin, A I, Pavlinov, T, Pawlak, V, Perevoztchikov, C, Perkins, W, Peryt, V A, Petrov, S C, Phatak, R, Picha, M, Planinic, J, Pluta, N, Porile, J, Porter, A M, Poskanzer, M, Potekhin, E, Potrebenikova, B V K S, Potukuchi, D, Prindle, C, Pruneau, J, Putschke, G, Rai, G, Rakness, R, Raniwala, S, Raniwala, O, Ravel, R L, Ray, S V, Razin, D, Reichhold, J G, Reid, G, Renault, F, Retiere, A, Ridiger, H G, Ritter, J B, Roberts, O V, Rogachevski, J L, Romero, A, Rose, C, Roy, L J, Ruan, R, Sahoo, I, Sakrejda, S, Salur, J, Sandweiss, I, Savin, J, Schambach, R P, Scharenberg, N, Schmitz, L S, Schroeder, K, Schweda, J, Seger, D, Seliverstov, P, Seyboth, E, Shahaliev, M, Shao, M, Sharma, K E, Shestermanov, S S, Shimanskii, R N, Singaraju, F, Simon, G, Skoro, N, Smirnov, R, Snellings, G, Sood, P, Sorensen, J, Sowinski, H M, Spinka, B, Srivastava, S, Stanislaus, R, Stock, A, Stolpovsky, M, Strikhanov, B, Stringfellow, C, Struck, A A P, Suaide, E, Sugarbaker, C, Suire, M, Sumbera, B, Surrow, T J M, Symons, A, Szanto de Toledo, P, Szarwas, A, Tai, J, Takahashi, A H, Tang, D, Thein, J H, Thomas, V, Tikhomirov, M, Tokarev, M B, Tonjes, T A, Trainor, S, Trentalange, R E, Tribble, M D, Trivedi, V, Trofimov, O, Tsai, T, Ullrich, D G, Underwood, G, Van Buren, A M, VanderMolen, A N, Vasiliev, M, Vasiliev, S E, Vigdor, Y P, Viyogi, S A, Voloshin, W, Waggoner, F, Wang, G, Wang, X L, Wang, Z M, Wang, H, Ward, J W, Watson, R, Wells, G D, Westfall, C, Whitten, H, Wieman, R, Willson, S W, Wissink, R, Witt, J, Wood, J, Wu, N, Xu, Z, Xu, Z Z, Xu, E, Yamamoto, P, Yepes, V I, Yurevich, Y V, Zanevski, I, Zborovský, H, Zhang, W M, Zhang, Z P, Zhang, P A, Zołnierczuk, R, Zoulkarneev, J, Zoulkarneeva, and A N, Zubarev
Abstract: Measurements of the production of forward high-energy pi(0) mesons from transversely polarized proton collisions at sqrt[s]=200 GeV are reported. The cross section is generally consistent with next-to-leading order perturbative QCD calculations. The analyzing power is small at x(F) below about 0.3, and becomes positive and large at higher x(F), similar to the trend in data at sqrt[s]or =20 GeV. The analyzing power is in qualitative agreement with perturbative QCD model expectations. This is the first significant spin result seen for particles produced with p(T)1 GeV/c at a polarized proton collider.
Published: 2003

49. Net charge fluctuations inAu+Aucollisions atsNN=130GeV

Author: A. Stolpovsky, L. Kotchenda, P. Bhaskar, M. Castro, C. A. Whitten, R. S. Longacre, M. J. Mora-Corral, S. Lange, Anik Gupta, J. H. Thomas, Y. Panebratsev, S. M. Guertin, Jianhong Wu, Frank Jm Geurts, S. J. Lindenbaum, Debasish Das, Raghunath Sahoo, D. P. Mahapatra, D. Grosnick, G. Rai, G. Renault, R. Lednický, Yu Chen, N. Xu, P. Filip, G. Igo, J. Zoulkarneeva, M. Heinz, Lee Stuart Barnby, G. D. Westfall, Malgorzata Anna Janik, W. T. Waggoner, F. Retiere, V. V. Belaga, S. B. Nurushev, G. S. Averichev, N. G. Minaev, H. Bichsel, G. Odyniec, G. Rakness, A. Lebedev, D. Thein, A. H. Tang, P. Sorensen, C. Mironov, Y. Fisyak, Zhongyukun Xu, M. Potekhin, A. Ridiger, L. C. Bland, Peter Graham Jones, Guy Paic, A. Chikanian, S. S. Shimanskii, B. E. Bonner, Ian Johnson, J. Balewski, Rashmi Raniwala, Lianshou Liu, W. A. Love, O. D. Tsai, I. Sakrejda, M. Kopytine, J. Fu, J. Marx, E. G. Judd, L. Didenko, S. Heppelmann, H. M. Spinka, David Lynn, D. Flierl, Claude Andre Pruneau, M. Tokarev, Adam Ryszard Kisiel, M. Botje, T. Ullrich, M. L. Miller, A. A.P. Suaide, Vitaly Okorokov, Hao-Ze Chen, H. J. Crawford, M. A. Vasiliev, L. Martin, C. Struck, P. Szarwas, R. Zoulkarneev, A. Boucham, D. Reichhold, B. D. Anderson, Michal Sumbera, A. I. Pavlinov, Julien Faivre, Sevil Salur, A. A. Kuznetsov, A. S. Hirsch, H. H. Wieman, A. Tai, P. Kravtsov, F. Liu, M. B. Tonjes, D. Arkhipkin, A. V. Brandin, S. Kabana, C. Suire, G. Sood, R. Fatemi, J. Takahashi, J. Putschke, J. W. Watson, C. A. Gagliardi, V. Morozov, V. Faine, J. Amonett, C. Adler, T. Herston, D. D. Koetke, J. E. Draper, J. Klay, L. K. Mangotra, J. G. Ma, V. M. Leontiev, Olivier Ravel, P. Seyboth, S. E. Vigdor, Christian Claude Kuhn, A. P. Meschanin, J. Castillo, K. Krueger, M. Calderon De La Barca Sanchez, S. W. Wissink, S. Bekele, R. Manweiler, V. Trofimov, Matthew J. Anderson, D. Hardtke, V. Emelianov, A. K. Bhati, Sergey Voloshin, R. D. Majka, Jeffrey G. Reid, A. Ogawa, D. Keane, S. Gronstal, Shengli Huang, B. Surrow, H. Y. Zhang, Nikolai Smirnov, R. Stock, B. I. Bezverkhny, J. Mitchell, J. Sowinski, R. Picha, Z. M. Wang, S. Margetis, J. Schambach, A. M. Poskanzer, J. P. Coffin, O. V. Rogachevski, B. Erazmus, L. G. Efimov, M. M. Moura, O. A. Grachov, X. Dong, R. V. Cadman, K. Filimonov, C-Q. Li, A. Bravar, W. Christie, R. P. Scharenberg, A. Ishihara, H. S. Matis, T. K. Nayak, K. J. Foley, J. E. Gonzalez, A. I. Kulikov, Bedangadas Mohanty, D. Cebra, Vladimir Petrov, S. P. Chernenko, E. Yamamoto, S. Trentalange, Manish Sharma, S. V. Razin, W. M. Zhang, Andrey Vasiliev, L. Gaudichet, E. Sugarbaker, Jinghui Yang, W. W. Jacobs, J. Lauret, M. Cherney, M. Shao, Thomas Michael Cormier, W. J. Llope, A. Cardenas, Yu Melnick, M. D. Trivedi, Madan M. Aggarwal, J. Kiryluk, Fuqiang Wang, S. Mahajan, Q. Li, D. Mishra, M. Oldenburg, L. Molnar, S. R. Klein, Janet Elizabeth Seger, O. Barannikova, D. L. Olson, A. Rose, Rama Narayana Singaraju, Marcelo Gameiro Munhoz, D. J. Prindle, B. Lasiuk, P. Nevski, M. Lopez-Noriega, N.D. Gagunashvili, G. Eppley, Jay Roberts, H. G. Ritter, H. Z. Huang, Basanta Kumar Nandi, H. Ward, M. Kaneta, F. Meissner, Xu Cai, J. Pluta, T. Dietel, Mirko Planinic, J. Baudot, V. I. Yurevich, R. Bellwied, A. S. Konstantinov, Frank Simon, H. Zhang, H. Long, A. A. Derevschikov, Sukalyan Chattopadhyay, M. S. Ganti, T. Kolleger, M. A. Lisa, V. Grigoriev, S. Stanislaus, C. L. Kunz, T. W. Henry, E. Potrebenikova, Y. V. Zanevski, V. A. Nikitin, M. Guedon, A. M. VanderMolen, R. E. Tribble, J. Adams, K. E. Shestermanov, C. F. Moore, A. N. Zubarev, C. Roy, Gerald W Hoffmann, V. Perevoztchikov, M. Messer, T. Ljubicic, H. Caines, Sudhir Raniwala, M. Germain, V. L. Rykov, B. V.K.S. Potukuchi, A. Klyachko, Sergey Panitkin, Yu-Gang Ma, A. K. Dubey, Vladimir Tikhomirov, P. Chaloupka, Souvik Das, D. Magestro, R. Witt, G. Skoro, J. W. Harris, Subrata Pal, B. K. Srivastava, E. Gushin, G. J. Kunde, C. O. Blyth, P. Yepes, V. Eckardt, J. Gans, S. Bhardwaj, Boris Hippolyte, B. Norman, S. U. Pandey, A. E. Yakutin, J. Engelage, J. C. Dunlop, John N. Wood, Zubayer Ahammed, M. J. LeVine, Premomoy Ghosh, J. M. Landgraf, Z. Liu, T. D. Gutierrez, S. K. Badyal, M. Strikhanov, L. S. Schroeder, P.A. Zolnierczuk, Christina Markert, J. Sandweiss, T. S. McShane, Y. P. Viyogi, K. Schweda, R. Wells, T. J. Humanic, R.Kh. Kutuev, J. Berger, M. R. Dutta Majumdar, I.A. Savin, N. T. Porile, N. Schmitz, E. Shahaliev, I. Zborovský, F. Laue, A. Szanto de Toledo, X. L. Wang, E. Hjort, T. Pawlak, J. Porter, J. Carroll, S. K. Nayak, Yu A. Matulenko, M. Horsley, V. Ghazikhanian, B. Stringfellow, Zhongbin Xu, J. L. Romero, V. B. Dunin, G. Van Buren, A. Kumar, E. Finch, B. Choi, R. Willson, D. G. Underwood, Lijuan Ruan, A. Billmeier, F. Du, T. W. Ludlam, Q. J. Liu, Alexander Kovalenko, J. G. Cramer, J. M. Nelson, T. J. Hallman, T. J. M. Symons, L. V. Nogach, W. Peryt, D. Seliverstov, P. Fachini, Peter Martin Jacobs, Gang Wang, M. A. C. Lamont, Z. Milosevich, Zhenyu Zhang, M. Kramer, C. P. Lansdell, R.J.M. Snellings, S. C. Phatak, and Morton Kaplan
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), 010308 nuclear & particles physics, Jet (particle physics), 01 natural sciences, 7. Clean energy, Resonance (particle physics), Charged particle, Hadronization, Nuclear physics, Pion, Pseudorapidity, 0103 physical sciences, Atomic physics, 010306 general physics, STAR detector
Abstract: We present the results of charged particle fluctuations measurements in Au+Au collisions at rootS(NN)=130 GeV using the STAR detector. Dynamical fluctuations measurements are presented for inclusive charged particle multiplicities as well as for identified charged pions, kaons, and protons. The net charge dynamical fluctuations are found to be large and negative providing clear evidence that positive and negative charged p article production is correlated within the pseudorapidity range investigated. Correlations are smaller than expected based on model-dependent predictions for a resonance gas or a quark-gluon gas which undergoes fast hadronization and freeze-out. Qualitative agreement is found with comparable scaled p+p measurements and a heavy ion jet interaction generation model calculation based on independent particle collisions, although a small deviation from the 1/N scaling dependence expected from this model is observed.
Published: 2003

50. Transverse-Momentum and Collision-Energy Dependence of High-pTHadron Suppression inAu+AuCollisions at Ultrarelativistic Energies

Author: L. K. Mangotra, G. Eppley, Xu Cai, R. Manweiler, J. Pluta, A. Stolpovsky, L. Kotchenda, A. M. Poskanzer, F. Retiere, Zhenyu Zhang, A. Tai, N. G. Minaev, G. Sood, R. E. Tribble, M. Castro, J. Amonett, T. J. Humanic, Gerald W Hoffmann, J. Klay, H. Bichsel, V. Grigoriev, I.A. Savin, N. T. Porile, G. Odyniec, Marie Germain, V. Emelianov, A. K. Bhati, D. Keane, S. Gronstal, I. Sakrejda, R. L. Ray, E. Potrebenikova, Zhongyukun Xu, M. Potekhin, D. Thein, Nikolai Smirnov, R. Stock, J. Mitchell, M. Heinz, C. P. Lansdell, R.J.M. Snellings, S. C. Phatak, Lianshou Liu, C. O. Blyth, E. Sugarbaker, L. G. Efimov, Yu A. Matulenko, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, David Lynn, Lee Stuart Barnby, K. Filimonov, M. Horsley, Hao-Ze Chen, M. M. de Moura, J. C. Dunlop, T. Ljubicic, M. L. Miller, L. C. Bland, T. K. Nayak, R. S. Longacre, A. S. Hirsch, P. Kravtsov, C. Adler, B. Stringfellow, Jeffrey G. Reid, J. Sowinski, M. Kopytine, J. Fu, M. Tokarev, D. P. Mahapatra, F. Wang, A. N. Zubarev, Yu Chen, P. Szarwas, T. S. McShane, B. Norman, M. Messer, Zubayer Ahammed, Joseph Adams, M. Calderon De La Barca Sanchez, H. Caines, Sudhir Raniwala, M. J. LeVine, J. G. Ma, Debasish Das, A. A. Kuznetsov, Raghunath Sahoo, Y. P. Viyogi, V. L. Rykov, Y. Panebratsev, S. A. Voloshin, D. Grosnick, V. M. Leontiev, Olivier Ravel, P. Fachini, F. Laue, A. Szanto de Toledo, D. Magestro, Julien Faivre, N. Xu, P. Filip, S. K. Badyal, A. V. Brandin, F. Meissner, G. Rai, A. Kumar, B. Choi, G. Igo, F. Du, R. Wells, Marcelo Gameiro Munhoz, D. J. Prindle, C. Struck, B. D. Anderson, G. D. Westfall, G. Van Buren, L. S. Schroeder, J. Zoulkarneeva, H. H. Wieman, Alexander Kovalenko, W. A. Love, H. Zhang, T. Pawlak, L. V. Nogach, G. Skoro, M. A. Lisa, J. Takahashi, S. E. Vigdor, J. Putschke, Anik Gupta, R. V. Cadman, K. Schweda, Christian Claude Kuhn, S. V. Razin, Malgorzata Anna Janik, Jianhong Wu, J. Porter, J. W. Watson, B. E. Bonner, Jinghui Yang, J. Balewski, Rashmi Raniwala, L. Gaudichet, Frank Jm Geurts, J. Kiryluk, O. D. Tsai, J. Engelage, Claude Andre Pruneau, S. Mahajan, H. G. Ritter, Q. Li, A. Ogawa, Shengli Huang, Thomas A. Trainor, G. Renault, Jay Roberts, B. Erazmus, Madan M. Aggarwal, S. R. Klein, D. Mishra, M. Oldenburg, B. Surrow, J. Marx, John N. Wood, M. R. Dutta Majumdar, Premomoy Ghosh, A. Billmeier, J. G. Cramer, M. A. Vasiliev, H. Z. Huang, R. Bellwied, A. S. Konstantinov, T. W. Ludlam, J. M. Nelson, V. I. Yurevich, O. Barannikova, D. L. Olson, D. Cebra, C. L. Kunz, R. Willson, D. G. Underwood, C. F. Moore, Lijuan Ruan, T. Dietel, T. Ullrich, R. Zoulkarneev, P. Bhaskar, J. M. Landgraf, Z. Liu, M. Strikhanov, S. Trentalange, Yu Melnick, Mirko Planinic, A. A. Derevschikov, Sevil Salur, A. P. Meschanin, S. Kabana, K. J. Foley, C. A. Whitten, M. J. Mora-Corral, V. V. Belaga, Frank Simon, Matthew J. Anderson, T. W. Henry, N. Schmitz, Q. J. Liu, A. K. Dubey, Manish Sharma, Souvik Das, Christina Markert, J. Sandweiss, R. Witt, E. Yamamoto, S. Lange, P. Sorensen, A. Ridiger, Thorsten Sven Kollegger, C-Q. Li, M. Kramer, Peter Graham Jones, J. H. Thomas, S. J. Lindenbaum, W. Peryt, E. Shahaliev, R. P. Scharenberg, B. K. Srivastava, I. Zborovský, H. S. Matis, T. J. Hallman, X. L. Wang, T. J. M. Symons, J. Baudot, L. Didenko, S. Heppelmann, Susanta Kumar Pal, D. Flierl, J. Gans, S. Bhardwaj, Boris Hippolyte, R. Lednický, W. W. Jacobs, B. I. Bezverkhny, L. Martin, J. Lauret, M. D. Trivedi, C. A. Gagliardi, S. U. Pandey, A. E. Yakutin, L. Molnar, S. Stanislaus, T. Herston, O. A. Grachov, Y. V. Zanevski, K. A. Drees, X. Dong, J. E. Draper, A. Bravar, J. W. Harris, H. Ward, J. P. Coffin, O. V. Rogachevski, W. Waggoner, G. S. Averichev, E. Hjort, E. Gushin, G. J. Kunde, R.Kh. Kutuev, P. Yepes, V. Eckardt, J. Berger, V. B. Dunin, J. Carroll, H. M. Spinka, S. K. Nayak, Morton Kaplan, V. Ghazikhanian, Zhongbin Xu, J. L. Romero, D. Seliverstov, Peter Martin Jacobs, E. Finch, Gang Wang, M. A. C. Lamont, S. B. Nurushev, Z. Milosevich, C. Roy, V. Trofimov, C. Mironov, A. Klyachko, Y. Fisyak, Ian Johnson, V. A. Nikitin, K. E. Shestermanov, Vladimir Tikhomirov, B. V.K.S. Potukuchi, P. Chaloupka, Yu-Gang Ma, Vladimir Petrov, S. P. Chernenko, W. J. Llope, A. Rose, Rama Narayana Singaraju, B. Lasiuk, H. Long, Adam Ryszard Kisiel, A. H. Tang, H. J. Crawford, Guy Paic, A. Chikanian, R. Fatemi, K. Krueger, S. S. Shimanskii, P. Seyboth, R. Picha, M. Cherney, Thomas Michael Cormier, P. Nevski, A. Boucham, D. Arkhipkin, S. Bekele, G. Rakness, H. Y. Zhang, A. Ishihara, Basanta Kumar Nandi, E. G. Judd, V. A. Okorokov, J. E. Gonzalez, N.D. Gagunashvili, M. Guedon, A. M. VanderMolen, Bedangadas Mohanty, Sukalyan Chattopadhyay, M. S. Ganti, V. Perevoztchikov, Sergey Panitkin, A. Lebedev, M. Lopez-Noriega, P. A. Żołnierczuk, Michal Sumbera, C. Suire, V. Faine, J. Castillo, S. W. Wissink, M. Botje, W. Christie, A. I. Kulikov, Masashi Kaneta, W. M. Zhang, Andrey Vasiliev, M. Shao, Janet Elizabeth Seger, D. Reichhold, A. I. Pavlinov, F. Liu, M. B. Tonjes, V. Morozov, T. D. Gutierrez, D. Hardtke, R. D. Majka, Z. M. Wang, S. Margetis, and J. Schambach
Subjects: Nuclear physics, Physics, Quantum chromodynamics, Hadron, Transverse momentum, General Physics and Astronomy, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, Collision
Abstract: We report high statistics measurements of inclusive charged hadron production in Au+Au and p+p collisions at rootS(NN)=200 GeV. A large, approximately constant hadron suppression is observed in central Au+Au collisions for 5
Published: 2003

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