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Phys Rev Lett. 2018 Nov 30;121(22):222301. doi: 10.1103/PhysRevLett.121.222301.

Pseudorapidity Dependence of Particle Production and Elliptic Flow in Asymmetric Nuclear Collisions of p+Al, p+Au, d+Au, and ^{3}He+Au at sqrt[s_{NN}]=200  GeV.

Physical review letters

A Adare, C Aidala, N N Ajitanand, Y Akiba, M Alfred, V Andrieux, K Aoki, N Apadula, H Asano, C Ayuso, B Azmoun, V Babintsev, M Bai, N S Bandara, B Bannier, K N Barish, S Bathe, A Bazilevsky, M Beaumier, S Beckman, R Belmont, A Berdnikov, Y Berdnikov, D S Blau, M Boer, J S Bok, K Boyle, M L Brooks, J Bryslawskyj, V Bumazhnov, C Butler, S Campbell, V Canoa Roman, R Cervantes, C-H Chen, C Y Chi, M Chiu, I J Choi, J B Choi, T Chujo, Z Citron, M Connors, N Cronin, M Csanád, T Csörgő, T W Danley, A Datta, M S Daugherity, G David, K DeBlasio, K Dehmelt, A Denisov, A Deshpande, E J Desmond, A Dion, P B Diss, D Dixit, J H Do, A Drees, K A Drees, M Dumancic, J M Durham, A Durum, T Elder, A Enokizono, H En'yo, S Esumi, B Fadem, W Fan, N Feege, D E Fields, M Finger, M Finger, S L Fokin, J E Frantz, A Franz, A D Frawley, Y Fukuda, C Gal, P Gallus, P Garg, H Ge, F Giordano, A Glenn, Y Goto, N Grau, S V Greene, M Grosse Perdekamp, T Gunji, H Guragain, T Hachiya, J S Haggerty, K I Hahn, H Hamagaki, H F Hamilton, S Y Han, J Hanks, S Hasegawa, T O S Haseler, K Hashimoto, X He, T K Hemmick, J C Hill, K Hill, A Hodges, R S Hollis, K Homma, B Hong, T Hoshino, N Hotvedt, J Huang, S Huang, K Imai, J Imrek, M Inaba, A Iordanova, D Isenhower, Y Ito, D Ivanishchev, B V Jacak, M Jezghani, Z Ji, J Jia, X Jiang, B M Johnson, V Jorjadze, D Jouan, D S Jumper, S Kanda, J H Kang, D Kapukchyan, S Karthas, D Kawall, A V Kazantsev, J A Key, V Khachatryan, A Khanzadeev, C Kim, D J Kim, E-J Kim, G W Kim, M Kim, M H Kim, B Kimelman, D Kincses, E Kistenev, R Kitamura, J Klatsky, D Kleinjan, P Kline, T Koblesky, B Komkov, D Kotov, S Kudo, B Kurgyis, K Kurita, M Kurosawa, Y Kwon, R Lacey, J G Lajoie, E O Lallow, A Lebedev, S Lee, S H Lee, M J Leitch, Y H Leung, N A Lewis, X Li, X Li, S H Lim, L D Liu, M X Liu, V-R Loggins, S Lökös, K Lovasz, D Lynch, T Majoros, Y I Makdisi, M Makek, M Malaev, A Manion, V I Manko, E Mannel, H Masuda, M McCumber, P L McGaughey, D McGlinchey, C McKinney, A Meles, M Mendoza, W J Metzger, A C Mignerey, D E Mihalik, A Milov, D K Mishra, J T Mitchell, I Mitrankov, G Mitsuka, S Miyasaka, S Mizuno, A K Mohanty, P Montuenga, T Moon, D P Morrison, S I Morrow, T V Moukhanova, T Murakami, J Murata, A Mwai, K Nagai, K Nagashima, T Nagashima, J L Nagle, M I Nagy, I Nakagawa, H Nakagomi, K Nakano, C Nattrass, P K Netrakanti, T Niida, S Nishimura, R Nishitani, R Nouicer, T Novák, N Novitzky, R Novotny, A S Nyanin, E O'Brien, C A Ogilvie, J D Orjuela Koop, J D Osborn, A Oskarsson, G J Ottino, K Ozawa, R Pak, V Pantuev, V Papavassiliou, J S Park, S Park, S F Pate, M Patel, J-C Peng, W Peng, D V Perepelitsa, G D N Perera, D Yu Peressounko, C E PerezLara, J Perry, R Petti, M Phipps, C Pinkenburg, R Pinson, R P Pisani, A Pun, M L Purschke, P V Radzevich, J Rak, B J Ramson, I Ravinovich, K F Read, D Reynolds, V Riabov, Y Riabov, D Richford, T Rinn, S D Rolnick, M Rosati, Z Rowan, J G Rubin, J Runchey, A S Safonov, B Sahlmueller, N Saito, T Sakaguchi, H Sako, V Samsonov, M Sarsour, K Sato, S Sato, B Schaefer, B K Schmoll, K Sedgwick, R Seidl, A Sen, R Seto, P Sett, A Sexton, D Sharma, I Shein, T-A Shibata, K Shigaki, M Shimomura, T Shioya, P Shukla, A Sickles, C L Silva, D Silvermyr, B K Singh, C P Singh, V Singh, M J Skoby, M Slunečka, K L Smith, M Snowball, R A Soltz, W E Sondheim, S P Sorensen, I V Sourikova, P W Stankus, M Stepanov, S P Stoll, T Sugitate, A Sukhanov, T Sumita, J Sun, Z Sun, S Suzuki, S Syed, J Sziklai, A Takeda, A Taketani, K Tanida, M J Tannenbaum, S Tarafdar, A Taranenko, G Tarnai, R Tieulent, A Timilsina, T Todoroki, M Tomášek, C L Towell, R Towell, R S Towell, I Tserruya, Y Ueda, B Ujvari, H W van Hecke, S Vazquez-Carson, J Velkovska, M Virius, V Vrba, N Vukman, X R Wang, Z Wang, Y Watanabe, Y S Watanabe, F Wei, A S White, C P Wong, C L Woody, M Wysocki, B Xia, C Xu, Q Xu, L Xue, S Yalcin, Y L Yamaguchi, H Yamamoto, A Yanovich, P Yin, J H Yoo, I Yoon, H Yu, I E Yushmanov, W A Zajc, A Zelenski, S Zharko, S Zhou, L Zou,

Affiliations

  1. University of Colorado, Boulder, Colorado 80309, USA.
  2. Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1040, USA.
  3. Chemistry Department, Stony Brook University, SUNY, Stony Brook, New York 11794-3400, USA.
  4. RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan.
  5. RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  6. Department of Physics and Astronomy, Howard University, Washington, DC 20059, USA.
  7. KEK, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan.
  8. Iowa State University, Ames, Iowa 50011, USA.
  9. Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA.
  10. Kyoto University, Kyoto 606-8502, Japan.
  11. Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  12. IHEP Protvino, State Research Center of Russian Federation, Institute for High Energy Physics, Protvino, 142281, Russia.
  13. Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  14. Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003-9337, USA.
  15. University of California-Riverside, Riverside, California 92521, USA.
  16. Baruch College, City University of New York, New York, New York, 10010 USA.
  17. Saint Petersburg State Polytechnic University, St. Petersburg, 195251 Russia.
  18. National Research Center "Kurchatov Institute," Moscow 123098, Russia.
  19. National Research Nuclear University, MEPhI, Moscow Engineering Physics Institute, Moscow 115409, Russia.
  20. Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  21. New Mexico State University, Las Cruces, New Mexico 88003, USA.
  22. Georgia State University, Atlanta, Georgia 30303, USA.
  23. Columbia University, New York, New York 10027 and Nevis Laboratories, Irvington, New York 10533, USA.
  24. University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
  25. Chonbuk National University, Jeonju 561-756, Korea.
  26. Tomonaga Center for the History of the Universe, University of Tsukuba, Tsukuba, Ibaraki 305, Japan.
  27. Weizmann Institute, Rehovot 76100, Israel.
  28. Muhlenberg College, Allentown, Pennsylvania 18104-5586, USA.
  29. ELTE, Eötvös Loránd University, H-1117 Budapest, Pázmány P. s. 1/A, Hungary.
  30. Eszterházy Károly University, Károly Róbert Campus, H-3200 Gyöngyös, Mátrai út 36, Hungary.
  31. Institute for Particle and Nuclear Physics, Wigner Research Centre for Physics, Hungarian Academy of Sciences (Wigner RCP, RMKI) H-1525 Budapest 114, P.O. Box 49, Budapest, Hungary.
  32. Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA.
  33. University of New Mexico, Albuquerque, New Mexico 87131, USA.
  34. Abilene Christian University, Abilene, Texas 79699, USA.
  35. Debrecen University, H-4010 Debrecen, Egyetem tér 1, Hungary.
  36. University of Maryland, College Park, Maryland 20742, USA.
  37. Yonsei University, IPAP, Seoul 120-749, Korea.
  38. Physics Department, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan.
  39. Charles University, Ovocný trh 5, Praha 1, 116 36 Prague, Czech Republic.
  40. Florida State University, Tallahassee, Florida 32306, USA.
  41. Czech Technical University, Zikova 4, 166 36 Prague 6, Czech Republic.
  42. Department of Physics, Banaras Hindu University, Varanasi 221005, India.
  43. Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  44. Department of Physics, Augustana University, Sioux Falls, South Dakota 57197, USA.
  45. Vanderbilt University, Nashville, Tennessee 37235, USA.
  46. Center for Nuclear Study, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan.
  47. Nara Women's University, Kita-uoya Nishi-machi Nara 630-8506, Japan.
  48. Ewha Womans University, Seoul 120-750, Korea.
  49. Advanced Science Research Center, Japan Atomic Energy Agency, 2-4 Shirakata Shirane, Tokai-mura, Naka-gun, Ibaraki-ken 319-1195, Japan.
  50. Hiroshima University, Kagamiyama, Higashi-Hiroshima 739-8526, Japan.
  51. Korea University, Seoul 136-701, Korea.
  52. PNPI, Petersburg Nuclear Physics Institute, Gatchina, Leningrad region 188300, Russia.
  53. IPN-Orsay, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, BP1, F-91406 Orsay, France.
  54. Helsinki Institute of Physics and University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland.
  55. Department of Physics and Astronomy, Seoul National University, Seoul 151-742, Korea.
  56. Science and Technology on Nuclear Data Laboratory, China Institute of Atomic Energy, Beijing 102413, People's Republic of China.
  57. Peking University, Beijing 100871, People's Republic of China.
  58. Department of Physics, Faculty of Science, University of Zagreb, Bijeni?ka c. 32 HR-10002 Zagreb, Croatia.
  59. Bhabha Atomic Research Centre, Bombay 400 085, India.
  60. Department of Physics, Tokyo Institute of Technology, Oh-okayama, Meguro, Tokyo 152-8551, Japan.
  61. University of Tennessee, Knoxville, Tennessee 37996, USA.
  62. Department of Physics, Lund University, Box 118, SE-221 00 Lund, Sweden.
  63. Institute for Nuclear Research of the Russian Academy of Sciences, prospekt 60-letiya Oktyabrya 7a, Moscow 117312, Russia.
  64. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  65. IPNL, CNRS/IN2P3, Université Lyon, Université Lyon 1, F-69622, Villeurbanne, France.
  66. Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, 182 21 Prague 8, Czech Republic.

PMID: 30547634 DOI: 10.1103/PhysRevLett.121.222301

Abstract

Asymmetric nuclear collisions of p+Al, p+Au, d+Au, and ^{3}He+Au at sqrt[s_{NN}]=200  GeV provide an excellent laboratory for understanding particle production, as well as exploring interactions among these particles after their initial creation in the collision. We present measurements of charged hadron production dN_{ch}/dη in all such collision systems over a broad pseudorapidity range and as a function of collision multiplicity. A simple wounded quark model is remarkably successful at describing the full data set. We also measure the elliptic flow v_{2} over a similarly broad pseudorapidity range. These measurements provide key constraints on models of particle emission and their translation into flow.

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