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J/ψ and ψ(2S) production at forward rapidity in p+p collisions at s=510 GeV

U. A. Acharya, A. Adare, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, M. Alfred, N. Apadula, Y. Aramaki, H. Asano, E. T. Atomssa, T. C. Awes (+349 others)
2020 Physical Review D  

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2019 pre-print
arXiv:1912.13424v1 fatcat:55j2b6qtpraxdpwhyjtabaculq
2020 accepted
arXiv:1912.13424v2 fatcat:dcaaxm5suvhebjcsrh77je62lu
The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the differential cross section, mean transverse momentum, mean transverse momentum squared of inclusive $J/\psi$ and cross-section ratio of $\psi(2S)$ to $J/\psi$ at forward rapidity in \pp collisions at \sqrts = 510 GeV via the dimuon decay channel. Comparison is made to inclusive $J/\psi$ cross sections measured at \sqrts = 200 GeV and 2.76--13 TeV. The result is also compared to leading-order nonrelativistic QCD
more » ... tivistic QCD calculations coupled to a color-glass-condensate description of the low-$x$ gluons in the proton at low transverse momentum ($p_T$) and to next-to-leading order nonrelativistic QCD calculations for the rest of the $p_T$ range. These calculations overestimate the data at low $p_T$. While consistent with the data within uncertainties above $\approx3$ GeV/$c$, the calculations are systematically below the data. The total cross section times the branching ratio is BR $d\sigma^{J/\psi}_{pp}/dy (1.2<|y|<2.2, 0<p_T<10~\mbox{GeV/$c$}) =$ 54.3 $\pm$ 0.5 (stat) $\pm$ 5.5 (syst) nb.
doi:10.1103/physrevd.101.052006 fatcat:avtpj3vh2zh7vcuqh3wf32k2ma
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U. A. Acharya, A. Adare, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, M. Alfred, N. Apadula, Y. Aramaki, H. Asano, E. T. Atomssa, T. C. Awes, 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. Black, J. S. Bok, K. Boyle, M. L. Brooks, J. Bryslawskyj, H. Buesching, V. Bumazhnov, S. Campbell, V. Canoa Roman, C.-H. Chen, C. Y. Chi, M. Chiu, I. J. Choi, J. B. Choi, T. Chujo, Z. Citron, M. Connors, 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, L. Ding, A. Dion, J. H. Do, A. Drees, K. A. Drees, J. M. Durham, A. Durum, A. Enokizono, H. En'yo, R. Esha, S. Esumi, B. Fadem, W. Fan, N. Feege, D. E. Fields, M. Finger, M. Finger, D. Fitzgerald, S. L. Fokin, J. E. Frantz, A. Franz, A. D. Frawley, C. Gal, P. Gallus, E. A. Gamez, P. Garg, H. Ge, F. Giordano, A. Glenn, Y. Goto, N. Grau, S. V. Greene, M. Grosse Perdekamp, Y. Gu, T. Gunji, H. Guragain, T. Hachiya, J. S. Haggerty, K. I. Hahn, H. Hamagaki, 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, J. Huang, S. Huang, Y. Ikeda, K. Imai, Y. Imazu, M. Inaba, A. Iordanova, D. Isenhower, S. Ishimaru, D. Ivanishchev, B. V. Jacak, S. J. Jeon, M. Jezghani, Z. Ji, J. Jia, X. Jiang, B. M. Johnson, E. Joo, K. S. Joo, D. Jouan, D. S. Jumper, J. H. Kang, J. S. Kang, D. Kawall, A. V. Kazantsev, J. A. Key, V. Khachatryan, A. Khanzadeev, A. Khatiwada, K. Kihara, C. Kim, D. H. Kim, D. J. Kim, E.-J. Kim, H.-J. Kim, M. Kim, Y. K. Kim, D. Kincses, E. Kistenev, J. Klatsky, D. Kleinjan, P. Kline, T. Koblesky, M. Kofarago, J. Koster, D. Kotov, B. Kurgyis, K. Kurita, M. Kurosawa, Y. Kwon, R. Lacey, J. G. Lajoie, A. Lebedev, K. B. Lee, S. H. Lee, M. J. Leitch, M. Leitgab, Y. H. Leung, N. A. Lewis, X. Li, S. H. Lim, M. X. Liu, S. Lökös, D. Lynch, T. Majoros, Y. I. Makdisi, M. Makek, A. Manion, V. I. Manko, E. Mannel, M. McCumber, P. L. McGaughey, D. McGlinchey, C. McKinney, A. Meles, M. Mendoza, B. Meredith, W. J. Metzger, Y. Miake, A. C. Mignerey, A. J. Miller, A. Milov, D. K. Mishra, J. T. Mitchell, Iu. Mitrankov, G. Mitsuka, S. Miyasaka, S. Mizuno, P. Montuenga, T. Moon, D. P. Morrison, S. I. Morrow, T. V. Moukhanova, B. Mulilo, T. Murakami, J. Murata, A. Mwai, S. Nagamiya, K. Nagashima, J. L. Nagle, M. I. Nagy, I. Nakagawa, H. Nakagomi, K. Nakano, C. Nattrass, S. Nelson, P. K. Netrakanti, M. Nihashi, T. Niida, R. Nishitani, R. Nouicer, T. Novák, N. Novitzky, A. S. Nyanin, E. O'Brien, C. A. Ogilvie, J. D. Orjuela Koop, J. D. Osborn, A. Oskarsson, K. Ozawa, R. Pak, V. Pantuev, V. Papavassiliou, S. Park, S. F. Pate, L. Patel, M. Patel, J.-C. Peng, W. Peng, D. V. Perepelitsa, G. D. N. Perera, D. Yu. Peressounko, C. E. PerezLara, J. Perry, R. Petti, C. Pinkenburg, R. Pinson, R. P. Pisani, A. Pun, M. L. Purschke, P. V. Radzevich, J. Rak, N. Ramasubramanian, I. Ravinovich, K. F. Read, D. Reynolds, V. Riabov, Y. Riabov, D. Richford, T. Rinn, N. Riveli, D. Roach, S. D. Rolnick, M. Rosati, Z. Rowan, J. G. Rubin, J. Runchey, N. Saito, T. Sakaguchi, H. Sako, V. Samsonov, M. Sarsour, S. Sato, S. Sawada, C. Y. Scarlett, B. Schaefer, B. K. Schmoll, K. Sedgwick, J. Seele, R. Seidl, A. Sen, R. Seto, P. Sett, A. Sexton, D. Sharma, I. Shein, T.-A. Shibata, K. Shigaki, M. Shimomura, P. Shukla, A. Sickles, C. L. Silva, D. Silvermyr, B. K. Singh, C. P. Singh, V. Singh, M. Slunečka, K. L. Smith, 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, X. Sun, Z. Sun, S. Suzuki, J. Sziklai, A. Takahara, A. Taketani, K. Tanida, M. J. Tannenbaum, S. Tarafdar, A. Taranenko, R. Tieulent, A. Timilsina, T. Todoroki, M. Tomášek, H. Torii, M. Towell, R. Towell, R. S. Towell, I. Tserruya, Y. Ueda, B. Ujvari, H. W. van Hecke, M. Vargyas, J. Velkovska, M. Virius, V. Vrba, E. Vznuzdaev, X. R. Wang, Z. Wang, D. Watanabe, Y. Watanabe, Y. S. Watanabe, F. Wei, S. Whitaker, S. Wolin, C. P. Wong, C. L. Woody, Y. Wu, M. Wysocki, B. Xia, Q. Xu, L. Xue, S. Yalcin, Y. L. Yamaguchi, A. Yanovich, J. H. Yoo, I. Yoon, I. Younus, H. Yu, I. E. Yushmanov, W. A. Zajc, A. Zelenski, Y. Zhai, S. Zharko, L. Zou, PHENIX Collaboration. "J/ψ and ψ(2S) production at forward rapidity in p+p collisions at s=510 GeV." Physical Review D (2020)