Transverse single spin asymmetries of forward neutrons in p+p , p+Al , and p+Au collisions at \sqrt{s_{NN } }=200  GeV as a function of transverse and longitudinal momenta

PHENIX Collaboration; 蜂谷, 崇; はちや, たかし; Hachiya, Takashi; 下村, 真弥; しもむら, まや; Shimomura, Maya

doi:10.1103/physrevd.105.032004

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Transverse single spin asymmetries of forward neutrons in p+p , p+Al , and p+Au collisions at \sqrt{s_{NN } }=200 GeV as a function of transverse and longitudinal momenta

http://hdl.handle.net/10935/0002006004

名前 / ファイル	ライセンス	アクション
https://doi.org/10.1103/physrevd.105.032004

アイテムタイプ

default_学術雑誌論文 / Journal Article(1)

タイトル

Transverse single spin asymmetries of forward neutrons in p+p , p+Al , and p+Au collisions at \sqrt{s_{NN } }=200 GeV as a function of transverse and longitudinal momenta

言語

eng

キーワード

言語

主題Scheme

Other

主題

Polarization in interactions & scattering

キーワード

言語

主題Scheme

Other

主題

Neutrons

キーワード

言語

主題Scheme

Other

主題

Hadron colliders

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http://purl.org/coar/resource_type/c_6501

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journal article

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metadata only access

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http://purl.org/coar/access_right/c_14cb

著者

PHENIX Collaboration
蜂谷, 崇

KAKEN2 1000010589005

ja	蜂谷, 崇（Personal）
ja-Kana	はちや, たかし（Personal）
en	Hachiya, Takashi（Personal）

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下村, 真弥

KAKEN2 1000070555416

ja	下村, 真弥（Personal）
ja-Kana	しもむら, まや（Personal）
en	Shimomura, Maya（Personal）

Search repository

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Abstract

内容記述

In 2015 the PHENIX collaboration at the Relativistic Heavy Ion Collider recorded 𝑝 +𝑝, 𝑝+Al, and 𝑝+Au collision data at center of mass energies of √𝑠𝑁⁢𝑁=200 GeV with the proton beam(s) transversely polarized. At very forward rapidities 𝜂>6.8 relative to the polarized proton beam, neutrons were detected either inclusively or in (anti)correlation with detector activity related to hard collisions. The resulting single spin asymmetries, that were previously reported, have now been extracted as a function of the transverse momentum of the neutron as well as its longitudinal momentum fraction 𝑥𝐹. The explicit kinematic dependence, combined with the correlation information allows for a closer look at the interplay of different mechanisms suggested to describe these asymmetries, such as hadronic interactions or electromagnetic interactions in ultraperipheral collisions, UPC. Events that are correlated with a hard collision indeed display a mostly negative asymmetry that increases in magnitude as a function of transverse momentum with only little dependence on 𝑥𝐹. In contrast, events that are not likely to have emerged from a hard collision display positive asymmetries for the nuclear collisions with a kinematic dependence that resembles that of a UPC based model. Because the UPC interaction depends strongly on the charge of the nucleus, those effects are very small for 𝑝 +𝑝 collisions, moderate for 𝑝+Al collisions, and large for 𝑝+Au collisions.

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【The members of PHENIX Collaboration not shown at the author section】
U. A. Acharya, C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, N. Apadula, H. Asano, B. Azmoun, V. Babintsev, N. S. Bandara, K. N. Barish, S. Bathe, A. Bazilevsky, M. Beaumier, R. Belmont, A. Berdnikov, Y. Berdnikov, L. Bichon, B. Blankenship, D. S. Blau, J. S. Bok, V. Borisov, M. L. Brooks, J. Bryslawskyj, V. Bumazhnov, S. Campbell, V. Canoa Roman, R. Cervantes, M. Chiu, C.Y. Chi, I.J. Choi, J.B. Choi, Citron, M. Connors, R. Corliss, N. Cronin, T. Csörgő, M. Csanád, T. W. Danley, M. S. Daugherity, G. David, K. DeBlasio, K. Dehmelt, A. Denisov, A. Deshpande, E. J. Desmond, A. Dion, D. Dixit, J. H. Do, A. Drees, K. A. Drees, J. M. Durham, A. Durum, H. En'yo, A. Enokizono, R. Esha, S. Esumi, B. Fadem, W. Fan, N. Feege, D.E. Fields, M. Finger, Jr., M. Finger, D. Fitzgerald, S. L. Fokin, J. E. Frantz, A. Franz, A. D. Frawley, Y. Fukuda, P. Gallus, C. Gal, P. Garg, H. Ge, M. Giles, F. Giordano, 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, J. Hanks, S. Y. Han, M. Harvey, S. Hasegawa, T. O. S. Haseler, T. K. Hemmick, X. He, J.C. Hill, K. Hill,11 A. Hodges, R.S. Hollis, K. Homma, B. Hong, T. Hoshino, N. Hotvedt, J. Huang, K. Imai, M. Inaba, A. Iordanova, D. Isenhower, D. Ivanishchev, B. V. Jacak, M. Jezghani, X. Jiang, Z. Ji, B. M. Johnson , D. Jouan, D. S. Jumper, J. H. Kang, D. Kapukchyan, S. Karthas, D. Kawall, A. V. Kazantsev, V. Khachatryan, A. Khanzadeev, A. Khatiwada, C. Kim, E.-J. Kim, M. Kim, T. Kim, D. Kincses, A. Kingan, E. Kistenev, J. Klatsky, P. Kline, T. Koblesky, D. Kotov, L. Kovacs, Kudo, K. Kurita, Y. Kwon, J. G. Lajoie, D. Larionova, A. Lebedev, S. Lee, S. H. Lee, M.J. Leitch, Y. H. Leung, N.A. Lewis, S.H. Lim, M. X. Liu, X. Li, V.-R. Loggins, D.A. Loomis, K. Lovasz, Lynch, S. Lökös, T. Majoros, Y. I. Makdisi, M. Makek, V. I. Manko, E. Mannel, M. McCumber, P. L. McGaughey, D. McGlinchey, C. McKinney, M. Mendoza, A.C. Mignerey, A. Milov, D.K. Mishra, J. T. Mitchell, M. Mitrankova, Iu. Mitrankov, G. Mitsuka, S. Miyasaka, S. Mizuno, M. M. Mondal, P. Montuenga, T. Moon, D. P. Morrison, B. Mulilo, T. Murakami, J. Murata, K. Nagai, K. Nagashima, T. Nagashima, J. L. Nagle, M.I. Nagy, I. Nakagawa, K. Nakano, C. Nattrass, S. Nelson, T. Niida, R. Nouicer, T. Novák, N. Novitzky, G. Nukazuka, A. S. Nyanin, E. O’Brien, C. A. Ogilvie, J. D. Orjuela Koop, J. D. Osborn, A. Oskarsson, G. J. Ottino, K. Ozawa, V. Pantuev, V. Papavassiliou, J. S. Park, S. Park, M. Patel, S. F. Pate, W. Peng, D. V. Perepelitsa, G. D. N. Perera, D. Yu. Peressounko, C. E. PerezLara, J. Perry, R. Petti, M. Phipps, C. Pinkenburg, R. P. Pisani, M. Potekhin, A. Pun, M.L. Purschke, P. V. Radzevich, N. Ramasubramanian, K. F. Read, D. Reynolds, V. Riabov, Y. Riabov, D. Richford, T. Rinn, S. D. Rolnick, M. Rosati, Z. Rowan, J. Runchey, A. S. Safonov, T. Sakaguchi, H. Sako, V. Samsonov, M. Sarsour, S. Sato, B. Schaefer, B. K. Schmoll, K. Sedgwick, R. Seidl, A. Sen, R. Seto, 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. Slunečka, K.L. Smith, M. Snowball, R.A. Soltz, W.E. Sondheim, S.P. Sorensen, I. V. Sourikova, P. W. Stankus, S. P. Stoll, T. Sugitate, A. Sukhanov, T. Sumita, J. Sun, Z. Sun, J. Sziklai, K. Tanida, M. J. Tannenbaum, S. Tarafdar, A. Taranenko, G. Tarnai, R. Tieulent, A. Timilsina, T. Todoroki, M. Tomášek, C. L. Towell, R.S. Towell, I. Tserruya, Y. Ueda, B. Ujvari, H. W. van Hecke, J. Velkovska, M. Virius, V. Vrba, N. Vukman, X. R. Wang, Y. S. Watanabe, C. P. Wong, C. L. Woody, L. Xue, C. Xu, Q. Xu, S. Yalcin, Y. L. Yamaguchi, H. Yamamoto, A. Yanovich, I. Yoon, J. H. Yoo, I.E. Yushmanov, H. Yu, W.A. Zajc, A. Zelenski, S. Zharko, and L. Zou

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en : Physical Review D

巻 105, 号 3, 発行日 2022-02-11

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American Physical Society

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2025-02-05 01:21:11.560472

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Transverse single spin asymmetries of forward neutrons in p+p , p+Al , and p+Au collisions at \sqrt{s_{NN } }=200 GeV as a function of transverse and longitudinal momenta

× PHENIX Collaboration

× 蜂谷, 崇

× 下村, 真弥

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Transverse single spin asymmetries of forward neutrons in p+p , p+Al , and p+Au collisions at \sqrt{s_{NN } }=200 GeV as a function of transverse and longitudinal momenta

× PHENIX Collaboration

× 蜂谷, 崇

× 下村, 真弥

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