Measurement of ϕ -meson production in Cu+Au collisions at sNN=200…
N. J. Abdulameer, U. Acharya, C. A. Aidala,N. N. Ajitanand,Y. Akiba, R. Akimoto,J. Alexander, M. Alfred, M. Alibordi,Kazuo Aoki, N. Apadula, H. Asano, E. T. Atomssa, T. C. Awes,B. Azmoun, V. Babintsev,Mei Bai,Xiaozhi Bai, B. Bannier, K. N. Barish, S. Bathe, V. Baublis, C. Baumann, Stephen Baumgart, A. Bazilevsky,M. Beaumier, R. Belmont, A. Berdnikov, Y. Berdnikov, L. Bichon, Deirdre Black, B. Blankenship, D. Blau,Jeongsu Bok,V.S. Borisov, K. Boyle, M. L. Brooks, J. Bryslawskyj, H. Buesching, V. Bumazhnov, S. Butsyk, S. Campbell,V. Canoa Roman,C.-H. Chen, M. Chiu,C.Y. Chi, I. J. Choi, J. Choi,S. Choi, P. Christiansen, T. Chujo, V. Cianciolo,B. Cole, M. Connors, R. Corliss,Y. Corrales Morales, N. Cronin, N. Crossette, M. Csanád, T. Csörgő, Laurent d’Orazio, A. Datta, M. Daugherity, G. David, C. T. Dean, K. Dehmelt, A. Denisov, A. Deshpande, E. J. Desmond, L. Ding, V. Doomra, Jaehyeon Do, O. Drapier,A. Drees,K. A. Drees,J. M. Durham, A. Durum, T. Engelmore, A. Enokizono, R. Esha, K. O. Eyser, B. Fadem, W. Fan, D. E. Fields,M. Finger,M. Finger, D. Firak, D. S. Fitzgerald, F. Fleuret, S. Fokin, J. E. Frantz, A. Franz,A. D. Frawley, Y. Fukao, T. Fusayasu, K. Gainey, C. Gal, P. Garg, A. Garishvili, I. Garishvili, M. Giles, F. Giordano, A. Glenn, X. Gong, M. Gonin, Y. Goto, R. Granier de Cassagnac, N. Grau, S. Greene,M. Grosse Perdekamp, T. Gunji, H. Guragain, Y. Gu, T. Hachiya, J. S. Haggerty, K. I. Hahn, H. Hamagaki, J. Hanks, M. Harvey, S. Hasegawa, K. Hashimoto, R. S. Hayano, T. K. Hemmick, T. Hester, X. He, J. C. Hill, A. Hodges, R. S. Hollis, K. Homma, B. Hong, T. Hoshino, J. Huang, T. Ichihara, Y. Ikeda, K. Imai, Y. Imazu, M. Inaba, A. Iordanova, D. Isenhower, A. Isinhue, D. Ivanishchev, B. Jacak, Sihyun Jeon, M. Jezghani, X. Jiang, Z. Ji, B. M. Johnson, K. S. Joo, D. Jouan, D. S. Jumper, J. Kamin, S. Kanda, B. H. Kang, J. H. Kang, J. S. Kang, J. Kapustinsky, D. Kawall, A. V. Kazantsev,J. A. Key, V. Khachatryan, P. K. Khandai, A. Khanzadeev, A. Khatiwada, K. M. Kijima, C. Kim, D.J. Kim, E.-J. Kim, T. Kim, Y.-J. Kim, Y.K. Kim, D. Kincses, A. Kingan, E. Kistenev, J. Klatsky, D. Kleinjan, P. Kline, T. Koblesky, M. Kofarago, B. Komkov, J. Koster, D. Kotchetkov, D. Kotov, L. Kovács, F. Křížek, B. Kurgyis, K. Kurita, M. Kurosawa, Y. Kwon,Yue Shi Lai, J. G. Lajoie, D. Larionova, A. Lebedev, D.M. Lee,G.H. Lee, J. Lee,K.B. Lee,K.S. Lee,S.H. Lee, M. J. Leitch, M. Leitgab, B. Lewis, N. A. Lewis, Sanghoon Lim, M.X. Liu, X. Li, X. Li, D. A. Loomis, D. Lynch, S. Lökòs, C. Maguire, T. Majoros, Y. I. Makdisi, M. Makek, A. Manion, V. Manko, E. Mannel, M. McCumber, P. L. McGaughey, D. McGlinchey, C. McKinney, A. Meles, M. Mendoza, B. Meredith, Y. Miake, T. Mibe, A. C. Mignerey, A. Milov, D. K. Mishra, J. T. Mitchell, M. Mitrankova,Iu. Mitrankov, S. Miyasaka, S. Mizuno, A. K. Mohanty, S. Mohapatra, M. M. Mondal, T. Moon, D. P. Morrison, Marc L. Moskowitz, T. V. Moukhanova, B. Mulilo, T. Murakami, J. Murata, A. Mwai, T. Nagae, S. Nagamiya, J. L. Nagle, M. I. Nagy, I. Nakagawa, Y. Nakamiya, K. Nakamura, T. Nakamura, K. Nakano, C. Nattrass, S. Nelson, P. K. Netrakanti, M. Nihashi, T. Niida, R. Nouicer, N. Novitzky, T. Novák, G. Nukazuka, A. Nyanin, E. O’Brien, C. A. Ogilvie, J. Oh, H. Oide, K. Okada, M. Orosz, J. D. Osborn,, K. Ozawa, R. Pak, V. Pantuev, V. Papavassiliou, I.H. Park, J.S. Park, S. Park, S.K. Park, L. Patel, M. Patel, S. F. Pate, 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. P. Pisani, M. Potekhin, A. Pun, M. L. Purschke, H. Qu, P. V. Radzevich, J. Rak, N. Ramasubramanian, I. Ravinovich,Kenneth Francis Read, D. Reynolds, V. Riabov, Y. Riabov, E. Richardson, D. Richford, N. Riveli, D. Roach, S. D. Rolnick, M. Rosati, J. Runchey, M. S. Ryu, B. Sahlmueller, N. Saito, T. Sakaguchi, H. Sako, V. Samsonov, M. Sarsour, Susumu Sato, S. Sawada, K. Sedgwick, J. Seele, R. Seidl, Y. Sekiguchi, A. Sen, R. Seto, P. Sett, D. Sharma, A. Shaver, I. Shein, Z. Shi,Masayuki Shibata, T. A. Shibata, K. Shigaki, M. Shimomura, K. Shoji, P. Shukla, A. M. Sickles, C.L. Silva, D. Silvermyr, B. K. Singh, C. P. Singh, V. K. Singh, M. Skolnik, M. Slunečka, K. Smith, S. Solano, R. A. Soltz, W. E. Sondheim, S. P. Sørensen, I. V. Sourikova, P. W. Stankus, P. Steinberg, E. Stenlund, M. Stepanov, A. Ster, S. P. Stoll, M. R. Stone, T. Sugitate, А. Суханов, J. Sun, Z. Sun, R. Takahama, A. Takahara, A. Taketani, Y. Tanaka, K. Tanida, M. J. Tannenbaum, S. Tarafdar, A. Taranenko, E. Tennant, A. Timilsina, T. Todoroki, M. Tomášek, H. Torii, R. S. Towell, I. Tserruya, Y. Ueda, B. Ujvári, H. W. van Hecke, M. Vargyas, E. Vazquez-Zambrano, A. Veicht, J. Velkovska, M. Virius, V. Vrba, E. Vznuzdaev, R. Vértesi, X.R. Wang, Z. Wang, Daisuke Watanabe, K. Watanabe, Y. Watanabe, Y. Watanabe, Wei Fang, S. Whitaker, S. Wolin, C. P. Wong, C. Woody, M. Wysocki, B. Xia, Y. Yamaguchi, A. Yanovich, S. Yokkaichi, I. Yoon, I. Younus, You Zhou, I. E. Yushmanov, W. A. Zajc, A. Zelenski, S. Zhou, L. Zou Physical Review C（2023）
摘要
The PHENIX experiment reports systematic measurements at the Relativistic Heavy Ion Collider of ϕ-meson production in asymmetric Cu+Au collisions at sNN=200GeV and in U+U collisions at sNN=193GeV. Measurements were performed via the ϕ→K+K− decay channel at midrapidity |η|<0.35. Features of ϕ-meson production measured in Cu+Cu, Cu+Au, Au+Au, and U+U collisions were found to not depend on the collision geometry, which was expected because the yields are averaged over the azimuthal angle and follow the expected scaling with nuclear-overlap size. The elliptic flow of the ϕ meson in Cu+Au, Au+Au, and U+U collisions scales with second-order-participant eccentricity and the length scale of the nuclear-overlap region (estimated with the number of participating nucleons). At moderate pT, ϕ-meson production measured in Cu+Au and U+U collisions is consistent with coalescence-model predictions, whereas at high pT the production is in agreement with expectations for in-medium energy loss of parent partons prior to their fragmentation. The elliptic flow for ϕ mesons measured in Cu+Au and U+U collisions is well described by a (2+1)-dimensional viscous-hydrodynamic model with specific-shear viscosity η/s=1/4π.5 MoreReceived 25 July 2022Accepted 28 September 2022DOI:https://doi.org/10.1103/PhysRevC.107.014907©2023 American Physical SocietyPhysics Subject Headings (PhySH)Research AreasLeptonic, semileptonic & radiative decaysParticle productionRelativistic heavy-ion collisionsPhysical SystemsStrange quarkVector mesonsTechniquesHadron collidersNuclear Physics
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