학술논문

L\'evy-stable two-pion Bose-Einstein correlations in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions
Document Type
Working Paper
Author
Adare, A.Aidala, C.Ajitanand, N. N.Akiba, Y.Akimoto, R.Alexander, J.Alfred, M.Al-Ta'ani, H.Angerami, A.Aoki, K.Apadula, N.Aramaki, Y.Asano, H.Aschenauer, E. C.Atomssa, E. T.Awes, T. C.Azmoun, B.Babintsev, V.Bagoly, A.Bai, M.Bannier, B.Barish, K. N.Bassalleck, B.Bathe, S.Baublis, V.Baumgart, S.Bazilevsky, A.Belmont, R.Berdnikov, A.Berdnikov, Y.Blau, D. S.Bok, J. S.Boyle, K.Brooks, M. L.Bryslawskyj, J.Buesching, H.Bumazhnov, V.Butsyk, S.Campbell, S.Roman, V. CanoaCastera, P.Chen, C. -H.Chi, C. Y.Chiu, M.Choi, I. J.Choi, J. B.Choi, S.Choudhury, R. K.Christiansen, P.Chujo, T.Chvala, O.Cianciolo, V.Citron, Z.Cole, B. A.Connors, M.Csanád, M.Csörgő, T.Dairaku, S.Danley, T. W.Datta, A.Daugherity, M. S.David, G.DeBlasio, K.Dehmelt, K.Denisov, A.Deshpande, A.Desmond, E. J.Dharmawardane, K. V.Dietzsch, O.Ding, L.Dion, A.Do, J. H.Donadelli, M.D'Orazio, L.Drapier, O.Drees, A.Drees, K. A.Durham, J. M.Durum, A.Edwards, S.Efremenko, Y. V.Engelmore, T.Enokizono, A.Esumi, S.Eyser, K. O.Fadem, B.Fan, W.Feege, N.Fields, D. E.Finger, M.Finger, Jr., M.Fleuret, F.Fokin, S. L.Frantz, J. E.Franz, A.Frawley, A. D.Fukao, Y.Fukuda, Y.Fusayasu, T.Gainey, K.Gal, C.Garg, P.Garishvili, A.Garishvili, I.Ge, H.Glenn, A.Gong, X.Gonin, M.Goto, Y.de Cassagnac, R. GranierGrau, N.Greene, S. V.Perdekamp, M. GrosseGunji, T.Guo, L.Gustafsson, H. -Å.Hachiya, T.Haggerty, J. S.Hahn, K. I.Hamagaki, H.Han, S. Y.Hanks, J.Hasegawa, S.Haseler, T. O. S.Hashimoto, K.Haslum, E.Hayano, R.He, X.Hemmick, T. K.Hester, T.Hill, J. C.Hill, K.Hodges, A.Hollis, R. S.Homma, K.Hong, B.Horaguchi, T.Hori, Y.Hoshino, T.Hotvedt, N.Huang, J.Huang, S.Ichihara, T.Iinuma, H.Ikeda, Y.Imrek, J.Inaba, M.Iordanova, A.Isenhower, D.Issah, M.Ivanishchev, D.Jacak, B. V.Javani, M.Ji, Z.Jia, J.Jiang, X.Johnson, B. M.Joo, K. S.Jorjadze, V.Jouan, D.Jumper, D. S.Kamin, J.Kaneti, S.Kang, B. H.Kang, J. H.Kang, J. S.Kapustinsky, J.Karatsu, K.Karthas, S.Kasai, M.Kawall, D.Kazantsev, A. V.Kempel, T.Khachatryan, V.Khanzadeev, A.Kijima, K. M.Kim, B. I.Kim, C.Kim, D. J.Kim, E. -J.Kim, H. J.Kim, K. -B.Kim, M.Kim, M. H.Kim, Y. -J.Kim, Y. K.Kincses, D.Kinney, E.Kiss, Á.Kistenev, E.Klatsky, J.Kleinjan, D.Kline, P.Koblesky, T.Komatsu, Y.Komkov, B.Koster, J.Kotchetkov, D.Kotov, D.Král, A.Krizek, F.Kudo, S.Kunde, G. J.Kurita, K.Kurosawa, M.Kwon, Y.Kyle, G. S.Lacey, R.Lai, Y. S.Lajoie, J. G.Lebedev, A.Lee, B.Lee, D. M.Lee, J.Lee, K. B.Lee, K. S.Lee, S. H.Lee, S. R.Leitch, M. J.Leite, M. A. L.Leitgab, M.Leung, Y. H.Lewis, B.Lewis, N. A.Li, X.Lim, S. H.Levy, L. A. LindenLiu, M. X.Lokos, S.Love, B.Lynch, D.Maguire, C. F.Makdisi, Y. I.Makek, M.Manion, A.Manko, V. I.Mannel, E.Masuda, H.Masumoto, S.McCumber, M.McGaughey, P. L.McGlinchey, D.McKinney, C.Mendoza, M.Meredith, B.Metzger, W. J.Miake, Y.Mibe, T.Mignerey, A. C.Mihalik, D. E.Milov, A.Mishra, D. K.Mitchell, J. T.Mitsuka, G.Miyachi, Y.Miyasaka, S.Mohanty, A. K.Mohapatra, S.Moon, H. J.Moon, T.Morrison, D. P.Morrow, S. I. M.Motschwiller, S.Moukhanova, T. V.Murakami, T.Murata, J.Mwai, A.Nagae, T.Nagai, K.Nagamiya, S.Nagashima, K.Nagle, J. L.Nagy, M. I.Nakagawa, I.Nakagomi, H.Nakamiya, Y.Nakamura, K. R.Nakamura, T.Nakano, K.Nattrass, C.Nederlof, A.Nihashi, M.Nouicer, R.Novák, T.Novitzky, N.Nyanin, A. S.O'Brien, E.Ogilvie, C. A.Okada, K.Koop, J. D. OrjuelaOsborn, J. D.Oskarsson, A.Ouchida, M.Ozawa, K.Pak, R.Pantuev, V.Papavassiliou, V.Park, B. H.Park, I. H.Park, J. S.Park, S.Park, S. K.Pate, S. F.Patel, L.Pei, H.Peng, J. -C.Peng, W.Pereira, H.Perepelitsa, D. V.Perera, G. D. N.Peressounko, D. Yu.PerezLara, C. E.Petti, R.Pinkenburg, C.Pisani, R. P.Proissl, M.Pun, A.Purschke, M. L.Qu, H.Radzevich, P. V.Rak, J.Ravinovich, I.Read, K. F.Reynolds, D.Riabov, V.Riabov, Y.Richardson, E.Richford, D.Rinn, T.Roach, D.Roche, G.Rolnick, S. D.Rosati, M.Rowan, Z.Runchey, J.Sahlmueller, B.Saito, N.Sakaguchi, T.Sako, H.Samsonov, V.Sano, M.Sarsour, M.Sato, K.Sato, S.Sawada, S.Schmoll, B. K.Sedgwick, K.Seidl, R.Sen, A.Seto, R.Sexton, A.Sharma, D.Shein, I.Shibata, T. -A.Shigaki, K.Shimomura, M.Shoji, K.Shukla, P.Sickles, A.Silva, C. L.Silvermyr, D.Sim, K. S.Singh, B. K.Singh, C. P.Singh, V.Skoby, M. J.Slunečka, M.Soltz, R. A.Sondheim, W. E.Sorensen, S. P.Sourikova, I. V.Stankus, P. W.Stenlund, E.Stepanov, M.Ster, A.Stoll, S. P.Sugitate, T.Sukhanov, A.Sun, J.Sziklai, J.Takagui, E. M.Takahara, A.Takeda, ATaketani, A.Tanaka, Y.Taneja, S.Tanida, K.Tannenbaum, M. J.Tarafdar, S.Taranenko, A.Tarnai, G.Tennant, E.Themann, H.Timilsina, A.Todoroki, T.Tomášek, L.Tomášek, M.Torii, H.Towell, C. L.Towell, R. S.Tserruya, I.Tsuchimoto, Y.Tsuji, T.Ueda, Y.Vale, C.van Hecke, H. W.Vargyas, M.Vazquez-Carson, S.Vazquez-Zambrano, E.Veicht, A.Velkovska, J.Vértesi, R.Virius, M.Vossen, A.Vrba, V.Vznuzdaev, E.Wang, X. R.Wang, Z.Watanabe, D.Watanabe, K.Watanabe, Y.Watanabe, Y. S.Wei, F.Wei, R.White, S. N.Winter, D.Wolin, S.Woody, C. L.Wysocki, M.Xia, B.Xu, C.Xu, Q.Yamaguchi, Y. L.Yang, R.Yanovich, A.Yin, P.Ying, J.Yokkaichi, S.Yoo, J. H.You, Z.Younus, I.Yu, H.Yushmanov, I. E.Zajc, W. A.Zelenski, A.Zharko, S.Zou, L.
Source
Phys. Rev. C 97, 064911 (2018)
Subject
Nuclear Experiment
Language
Abstract
We present a detailed measurement of charged two-pion correlation functions in 0%-30% centrality $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions by the PHENIX experiment at the Relativistic Heavy Ion Collider. The data are well described by Bose-Einstein correlation functions stemming from L\'evy-stable source distributions. Using a fine transverse momentum binning, we extract the correlation strength parameter $\lambda$, the L\'evy index of stability $\alpha$ and the L\'evy length scale parameter $R$ as a function of average transverse mass of the pair $m_T$. We find that the positively and the negatively charged pion pairs yield consistent results, and their correlation functions are represented, within uncertainties, by the same L\'evy-stable source functions. The $\lambda(m_T)$ measurements indicate a decrease of the strength of the correlations at low $m_T$. The L\'evy length scale parameter $R(m_T)$ decreases with increasing $m_T$, following a hydrodynamically predicted type of scaling behavior. The values of the L\'evy index of stability $\alpha$ are found to be significantly lower than the Gaussian case of $\alpha=2$, but also significantly larger than the conjectured value that may characterize the critical point of a second-order quark-hadron phase transition.
Comment: 448 authors, 25 pages, 11 figures, 4 tables, 2010 data. v3 is version accepted for publication in Phys. Rev. C with some Table II numbers and Fig. 5 updated to match publication. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html