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Single-spin asymmetry of J /ψ production in p+p, p+Al, and p+Au collisions with transversely polarized proton beams at sNN =200 GeV

  • C. Aidala
  • , Y. Akiba
  • , M. Alfred
  • , V. Andrieux
  • , N. Apadula
  • , H. Asano
  • , B. Azmoun
  • , V. Babintsev
  • , A. Bagoly
  • , N. S. Bandara
  • , K. N. Barish
  • , S. Bathe
  • , A. Bazilevsky
  • , M. Beaumier
  • , R. Belmont
  • , A. Berdnikov
  • , Y. Berdnikov
  • , D. S. Blau
  • , M. Boer
  • , J. S. Bok
  • M. L. Brooks, J. Bryslawskyj, V. Bumazhnov, S. Campbell, V. Canoa Roman, R. Cervantes, C. Y. Chi, M. Chiu, I. J. Choi, J. B. Choi, Z. Citron, M. Connors, N. Cronin, M. Csanád, T. Csörgo, 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, 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, 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, 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, M. Inaba, A. Iordanova, D. Isenhower, D. Ivanishchev, B. V. Jacak, M. Jezghani, Z. Ji, X. Jiang, B. M. Johnson, D. Jouan, D. S. Jumper, J. H. Kang, D. Kapukchyan, S. Karthas, D. Kawall, A. V. Kazantsev, V. Khachatryan, A. Khanzadeev, C. Kim, E. J. Kim, M. Kim, D. Kincses, E. Kistenev, J. Klatsky, P. Kline, T. Koblesky, D. Kotov, S. Kudo, K. Kurita, Y. Kwon, J. G. Lajoie, A. Lebedev, S. Lee, S. H. Lee, M. J. Leitch, Y. H. Leung, N. A. Lewis, X. Li, S. H. Lim, M. X. Liu, V. R. Loggins, S. Lökös, K. Lovasz, D. Lynch, 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, D. E. Mihalik, A. Milov, D. K. Mishra, J. T. Mitchell, G. Mitsuka, S. Miyasaka, S. Mizuno, P. Montuenga, T. Moon, D. P. Morrison, S. I. Morrow, T. Murakami, J. Murata, K. Nagai, K. Nagashima, T. Nagashima, J. L. Nagle, M. I. Nagy, I. Nakagawa, K. Nakano, C. Nattrass, T. Niida, R. Nouicer, T. Novák, N. Novitzky, 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, S. F. Pate, M. Patel, 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. L. Purschke, P. V. Radzevich, 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. J. Skoby, M. Slunečka, 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, C. Xu, Q. Xu, L. Xue, S. Yalcin, Y. L. Yamaguchi, H. Yamamoto, A. Yanovich, J. H. Yoo, I. Yoon, H. Yu, I. E. Yushmanov, W. A. Zajc, A. Zelenski, S. Zharko, L. Zou
  • University of Michigan, Ann Arbor
  • RIKEN
  • Brookhaven National Lab
  • PHENIX Spokesperson
  • Howard University
  • Iowa State University
  • Kyoto University
  • Brookhaven National Laboratory
  • Institute for High Energy Physics
  • Eötvös Loránd University
  • University of Massachusetts
  • University of California at Riverside
  • City University of New York
  • University of Colorado Boulder
  • Peter the Great St. Petersburg Polytechnic University
  • Russian Research Centre Kurchatov Institute
  • Moscow Engineering Physics Institute
  • Los Alamos National Laboratory
  • New Mexico State University
  • Columbia University
  • Stony Brook University
  • University of Illinois at Urbana-Champaign
  • Jeonbuk National University
  • Weizmann Institute of Science
  • Georgia State University
  • Eszterhazy Karoly University
  • Hungarian Academy of Sciences
  • Ohio University
  • Abilene Christian University
  • University of New Mexico
  • Yonsei University
  • Rikkyo University
  • University of Tsukuba
  • Muhlenberg College
  • Charles University
  • Florida State University
  • Czech Technical University in Prague
  • Banaras Hindu University
  • Augustana University
  • Vanderbilt University
  • The University of Tokyo
  • Ewha Womans University
  • Japan Atomic Energy Agency
  • Hiroshima University
  • Korea University
  • Petersburg Nuclear Physics InstituteGatchina
  • Université Paris-Saclay
  • Seoul National University
  • University of Debrecen
  • University of Zagreb
  • University of Maryland, College Park
  • Homi Bhabha National Institute
  • Institute of Science Tokyo
  • University of Tennessee
  • Lund University
  • High Energy Accelerator Research Organization, Tsukuba
  • Institute for Nuclear Research of the Russian Academy of Sciences
  • Oak Ridge National Laboratory
  • Nara Women's University
  • Lawrence Livermore National Laboratory
  • Universite Claude Bernard Lyon 1
  • Czech Academy of Sciences
  • Peking University

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

We report the transverse single-spin asymmetries of J/ψ production at forward and backward rapidity, 1.2<|y|<2.2, as a function of J/ψ transverse momentum (pT) and Feynman-x (xF). The data analyzed were recorded by the PHENIX experiment at the Relativistic Heavy Ion Collider in 2015 from p+p, p+Al, and p+Au collisions with transversely polarized proton beams at sNN=200 GeV. At this collision energy, single-spin asymmetries for heavy-flavor particle production of p+p collisions provide access to the spin-dependent gluon distribution and higher-twist correlation functions inside the nucleon, such as the gluon Qiu-Sterman and trigluon correlation functions. Proton+nucleus collisions offer an excellent opportunity to study nuclear effects on the correlation functions. The data indicate a positive asymmetry at the two-standard-deviation level in the p+p data for 2 GeV/c<pT<10 GeV/c at backward rapidity and negative asymmetries at the two-standard-deviation level in the p+Au data for pT<2 GeV/c at both forward and backward rapidity, while in p+Al collisions the asymmetries are consistent with zero within the range of experimental uncertainties.

Original languageEnglish
Article number012006
JournalPhysical Review D
Volume98
Issue number1
DOIs
StatePublished - Jul 1 2018

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