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Akiba, Y.; Alfred, M.; Apadula, N.; Brooks, M. L.; Campbell, S.; Canoa Roman, V.; Cervantes, R.; Corrales Morales, Y.; Daugherity, M. S.; Dehmelt, K.; Doomra, V.; Drees, A.; Drees, K. A.; Durham, J. M.; Durum, A.; En'yo, H.; Esha, R.; Fadem, B.; Fitzgerald, D.; Fokin, S. L.; Frantz, J. E.; Frawley, A. D.; Fukuda, Y.; Gal, C.; Garg, P.; Giles, M.; Giordano, F.; Grau, N.; Greene, S. V.; Guragain, H.; He, X.; Hill, K.; Hodges, A.; Homma, K.; Hoshino, T.; Jiang, X.; Johnson, B. M.; Kang, J. H.; Karthas, S.; Kazantsev, A. V.; Khachatryan, V.; Kim, C.; Kim, T.; Koblesky, T.; Kudo, S.; Kurita, K.; Li, X.; Loomis, D. A.; Lökös, S.; Majoros, T.; Makdisi, Y. I.; Manko, V. I.; McGlinchey, D.; Mignerey, A. C.; Mitrankova, M.; Mitrankov, Iu; Murata, J.; Nagai, K.; Nagashima, T.; Nagy, M. I.; Nakano, K.; Nattrass, C.; Niida, T.; Nouicer, R.; Novitzky, N.; Park, S.; Pate, S. F.; Peng, W.; Peressounko, D. Yu; Perry, J.; Pisani, R. P.; Potekhin, M.; Ramasubramanian, N.; Riabov, V.; Rinn, T.; Rosati, M.; Sakaguchi, T.; Sato, S.; Sedgwick, K.; Sharma, D.; Shigaki, K.; Shimomura, M.; Sickles, A.; Silvermyr, D.; Singh, B. K.; Sondheim, W. E.; Sourikova, I. V.; Tanida, K.; Tannenbaum, M. J.; Ueda, Y.; Ujvari, B.; Virius, M.; Vrba, V.; Watanabe, Y. S.; Wong, C. P.; Yalcin, S.; Yamamoto, H.; Yoon, I.; Yushmanov, I. E.; Yu, H.
Physical review. C, 06/2022, Letnik: 105, Številka: 6Journal Article
Suppression of the J/ψ nuclear-modification factor has been seen as a trademark signature of final-state effects in large collision systems for decades. In small systems, the nuclear modification was attributed to cold-nuclear-matter effects until the observation of strong differential suppression of the ψ(2S) state in p+A and d+A collisions suggested the presence of final-state effects. Results of J/ψ and ψ(2S) measurements in the dimuon decay channel are presented here for p+p, p+Al, and p+Au collision systems at sNN=200GeV. The results are predominantly shown in the form of the nuclear-modification factor, RpA, the ratio of the ψ(2S) invariant yield per nucleon-nucleon collision in collisions of proton on target nucleus to that in p+p collisions. Measurements of the J/ψ and ψ(2S) nuclear-modification factor are compared with shadowing and transport-model predictions, as well as to complementary measurements at Large Hadron Collider energies.
