Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized p + p , p + Al , and p + Au collisions at s N N = 200     GeV

Abdulameer, N. J.; Acharya, U.; Aidala, C.; Akiba, Y.; Alfred, M.; Andrieux, V.; Apadula, N.; Asano, H.; Azmoun, B.; Babintsev, V.; Bandara, N. S.; Barish, K. N.; Bathe, S.; Bazilevsky, A.; Beaumier, M.; Belmont, R.; Berdnikov, A.; Berdnikov, Y.; Bichon, L.; Blankenship, B.; Blau, D. S.; Bok, J. S.; Borisov, V.; Brooks, M. L.; Bryslawskyj, J.; Bumazhnov, V.; Campbell, S.; Canoa Roman, V.; Cervantes, R.; Chiu, M.; Chi, C. Y.; Choi, I. J.; Choi, J. B.; Citron, Z.; Connors, M.; Corliss, R.; Corrales Morales, Y.; Cronin, N.; Csanád, M.; Csörgő, T.; Danley, T. W.; Daugherity, M. S.; David, G.; Dean, C. T.; DeBlasio, K.; Dehmelt, K.; Denisov, A.; Deshpande, A.; Desmond, E. J.; Dion, A.; Dixit, D.; Doomra, V.; Do, J. H.; Drees, A.; Drees, K. A.; Durham, J. M.; Durum, A.; En’yo, H.; Enokizono, A.; Esha, R.; Fadem, B.; Fan, W.; Feege, N.; Fields, D. E.; Finger, M.; Finger, M.; Firak, D.; Fitzgerald, D.; Fokin, S. L.; Frantz, J. E.; Franz, A.; Frawley, A. D.; Fukuda, Y.; Gallus, P.; Gal, C.; Garg, P.; Ge, H.; Giles, M.; Giordano, F.; Goto, Y.; Grau, N.; Greene, S. V.; Grosse Perdekamp, M.; Gunji, T.; Guragain, H.; Hachiya, T.; Haggerty, J. S.; Hahn, K. I.; Hamagaki, H.; Hamilton, H. F.; Hanks, J.; Han, S. Y.; Harvey, M.; Hasegawa, S.; Haseler, T. O. S.; Hemmick, T. K.; He, X.; Hill, J. C.; Hill, K.; Hodges, A.; Hollis, R. S.; Homma, K.; Hong, B.; Hoshino, T.; Hotvedt, N.; Huang, J.; Imai, K.; Inaba, M.; Iordanova, A.; Isenhower, D.; Ivanishchev, D.; Jacak, B. V.; Jezghani, M.; Jiang, X.; Ji, Z.; Johnson, B. M.; Jouan, D.; Jumper, D. S.; Kang, J. H.; Kapukchyan, D.; Karthas, S.; Kawall, D.; Kazantsev, A. V.; Khachatryan, V.; Khanzadeev, A.; Khatiwada, A.; Kim, C.; Kim, E. -J.; Kim, M.; Kim, T.; Kincses, D.; Kingan, A.; Kistenev, E.; Klatsky, J.; Kline, P.; Koblesky, T.; Kotov, D.; Kovacs, L.; Kudo, S.; Kurgyis, B.; Kurita, K.; Kwon, Y.; Lajoie, J. G.; Larionova, D.; Lebedev, A.; Lee, S.; Lee, S. H.; Leitch, M. J.; Leung, Y. H.; Lewis, N. A.; Lim, S. H.; Liu, M. X.; Li, X.; Loggins, V. -R.; Loomis, D. A.; Lovasz, K.; Lynch, D.; Lökös, S.; Majoros, T.; Makdisi, Y. I.; Makek, M.; Manko, V. I.; Mannel, E.; McCumber, M.; McGaughey, P. L.; McGlinchey, D.; McKinney, C.; Mendoza, M.; Mignerey, A. C.; Milov, A.; Mishra, D. K.; Mitchell, J. T.; Mitrankova, M.; Mitrankov, Iu.; Mitsuka, G.; Miyasaka, S.; Mizuno, S.; Mondal, M. M.; Montuenga, P.; Moon, T.; Morrison, D. P.; Muhammad, A.; Mulilo, B.; Murakami, T.; Murata, J.; Nagai, K.; Nagashima, K.; Nagashima, T.; Nagle, J. L.; Nagy, M. I.; Nakagawa, I.; Nakano, K.; Nattrass, C.; Nelson, S.; Niida, T.; Nouicer, R.; Novitzky, N.; Novák, T.; Nukazuka, G.; Nyanin, A. S.; O’Brien, E.; Ogilvie, C. A.; Oh, J.; Orjuela Koop, J. D.; Orosz, M.; Osborn, J. D.; Oskarsson, A.; Ottino, G. J.; Ozawa, K.; Pantuev, V.; Papavassiliou, V.; Park, J. S.; Park, S.; Patel, M.; Pate, S. F.; Peng, W.; Perepelitsa, D. V.; Perera, G. D. N.; Peressounko, D. Yu.; PerezLara, C. E.; Perry, J.; Petti, R.; Phipps, M.; Pinkenburg, C.; Pisani, R. P.; Potekhin, M.; Pun, A.; Purschke, M. L.; Radzevich, P. V.; Ramasubramanian, N.; Read, K. F.; Reynolds, D.; Riabov, V.; Riabov, Y.; Richford, D.; Rinn, T.; Rolnick, S. D.; Rosati, M.; Rowan, Z.; Runchey, J.; Safonov, A. S.; Sakaguchi, T.; Sako, H.; Samsonov, V.; Sarsour, M.; Sato, S.; Schaefer, B.; Schmoll, B. K.; Sedgwick, K.; Seidl, R.; Sen, A.; Seto, R.; Sexton, A.; Sharma, D.; Shein, I.; Shibata, M.; Shibata, T. -A.; Shigaki, K.; Shimomura, M.; Shioya, T.; Shi, Z.; Shukla, P.; Sickles, A.; Silva, C. L.; Silvermyr, D.; Singh, B. K.; Singh, C. P.; Singh, V.; Slunečka, M.; Smith, K. L.; Snowball, M.; Soltz, R. A.; Sondheim, W. E.; Sorensen, S. P.; Sourikova, I. V.; Stankus, P. W.; Stoll, S. P.; Sugitate, T.; Sukhanov, A.; Sumita, T.; Sun, J.; Sun, Z.; Sziklai, J.; Takahama, R.; Tanida, K.; Tannenbaum, M. J.; Tarafdar, S.; Taranenko, A.; Tarnai, G.; Tieulent, R.; Timilsina, A.; Todoroki, T.; Tomášek, M.; Towell, C. L.; Towell, R. S.; Tserruya, I.; Ueda, Y.; Ujvari, B.; van Hecke, H. W.; Velkovska, J.; Virius, M.; Vrba, V.; Vukman, N.; Wang, X. R.; Wang, Z.; Watanabe, Y. S.; Wong, C. P.; Woody, C. L.; Xue, L.; Xu, C.; Xu, Q.; Yalcin, S.; Yamaguchi, Y. L.; Yamamoto, H.; Yanovich, A.; Yoon, I.; Yoo, J. H.; Yushmanov, I. E.; Yu, H.; Zajc, W. A.; Zelenski, A.; Zou, L.

doi:10.1103/PhysRevD.108.072016

Title: Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized $p + p$ , $p + Al$ , and $p + Au$ collisions at $\sqrt{s_{N N}} = 200 GeV$

Journal Article · Tue Oct 31 00:00:00 EDT 2023 · Physical Review. D.

DOI:https://doi.org/10.1103/PhysRevD.108.072016· OSTI ID:2204314

Abdulameer, N. J.; Acharya, U.; Aidala, C.; Akiba, Y.; Alfred, M.; Andrieux, V.; Apadula, N.; Asano, H.; Azmoun, B.; Babintsev, V.; Bandara, N. S.; Barish, K. N.; Bathe, S.; Bazilevsky, A.; Beaumier, M.; Belmont, R.; Berdnikov, A.; Berdnikov, Y.; Bichon, L.; Blankenship, B. more »

Reported here are transverse single-spin asymmetries (A_N) in the production of charged hadrons as a function of transverse momentum (pT) and Feynman-x (x_F) in polarized p^↑ + p, p^↑ + Al, and p^↑ + Au collisions at $$\sqrt{^SNN}$$ = 200 GeV. The measurements have been performed at forward and backward rapidity (1.4 < |η| < 2.4) over the range of 1.5 GeV /c < pT < 7.0 GeV /c and 0.04 < |x_F| < 0.2. A nonzero asymmetry is observed for positively charged hadrons at forward rapidity (x_F > 0) in p^↑ + p collisions, whereas the p^↑ + Al and p^↑ + Au results show smaller asymmetries. This finding provides new opportunities to investigate the origin of transverse single-spin asymmetries and a tool to study nuclear effects in p + A collisions.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Organization:: PHENIX Collaboration

Grant/Contract Number:: SC0012704

OSTI ID:: 2204314

Alternate ID(s):: OSTI ID: 2204631

Report Number(s):: BNL-224978-2023-JAAM; PRVDAQ; 072016

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Vol. 108 Journal Issue: 7; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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