$\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au 碰撞中 Lévy 稳定的双 $\pi$ 介子 Bose-Einstein 关联
核实验
2023-09-18 v3
摘要
我们展示了由相对论重离子对撞机的 PHENIX 实验在中心度 0%-30% 的 GeV AuAu 碰撞中，对带电双 介子关联函数的详细测量结果。数据可以很好地由源自 Lévy 稳定源分布的 Bose-Einstein 关联函数描述。利用精细的横动量分箱，我们提取了关联强度参数 、Lévy 稳定性指数 以及 Lévy 长度尺度参数 作为粒子对平均横质量 的函数。我们发现带正电与带负电的 介子对产生了一致的结果，且在不确定度范围内，它们的关联函数可由相同的 Lévy 稳定源函数表示。 的测量表明在低 处关联强度下降。Lévy 长度尺度参数 随 增加而减小，遵循流体力学预测的标度行为类型。研究发现，Lévy 稳定性指数 的值显著低于 的高斯情形，但也显著大于可能表征二阶夸克-强子相变临界点的推测值。
引用
@article{arxiv.1709.05649,
title = {L\'evy-stable two-pion Bose-Einstein correlations in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions},
author = {A. Adare and C. Aidala and N. N. Ajitanand and Y. Akiba and R. Akimoto and J. Alexander and M. Alfred and H. Al-Ta'ani and A. Angerami and K. Aoki and N. Apadula and Y. Aramaki and H. Asano and E. C. Aschenauer and E. T. Atomssa and T. C. Awes and B. Azmoun and V. Babintsev and A. Bagoly and M. Bai and B. Bannier and K. N. Barish and B. Bassalleck and S. Bathe and V. Baublis and S. Baumgart and A. Bazilevsky and R. Belmont and A. Berdnikov and Y. Berdnikov and D. S. Blau and J. S. Bok and K. Boyle and M. L. Brooks and J. Bryslawskyj and H. Buesching and V. Bumazhnov and S. Butsyk and S. Campbell and V. Canoa Roman and P. Castera and C. -H. Chen and C. Y. Chi and M. Chiu and I. J. Choi and J. B. Choi and S. Choi and R. K. Choudhury and P. Christiansen and T. Chujo and O. Chvala and V. Cianciolo and Z. Citron and B. A. Cole and M. Connors and M. Csanád and T. Csörgő and S. Dairaku and T. W. Danley and A. Datta and M. S. Daugherity and G. David and K. DeBlasio and K. 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Riabov and Y. Riabov and E. Richardson and D. Richford and T. Rinn and D. Roach and G. Roche and S. D. Rolnick and M. Rosati and Z. Rowan and J. Runchey and B. Sahlmueller and N. Saito and T. Sakaguchi and H. Sako and V. Samsonov and M. Sano and M. Sarsour and K. Sato and S. Sato and S. Sawada and B. K. Schmoll and K. Sedgwick and R. Seidl and A. Sen and R. Seto and A. Sexton and D. Sharma and I. Shein and T. -A. Shibata and K. Shigaki and M. Shimomura and K. Shoji and P. Shukla and A. Sickles and C. L. Silva and D. Silvermyr and K. S. Sim and B. K. Singh and C. P. Singh and V. Singh and M. J. Skoby and M. Slunečka and R. A. Soltz and W. E. Sondheim and S. P. Sorensen and I. V. Sourikova and P. W. Stankus and E. Stenlund and M. Stepanov and A. Ster and S. P. Stoll and T. Sugitate and A. Sukhanov and J. Sun and J. Sziklai and E. M. Takagui and A. Takahara and A Takeda and A. Taketani and Y. Tanaka and S. Taneja and K. Tanida and M. J. Tannenbaum and S. Tarafdar and A. Taranenko and G. Tarnai and E. Tennant and H. Themann and A. Timilsina and T. Todoroki and L. Tomášek and M. Tomášek and H. Torii and C. L. Towell and R. S. Towell and I. Tserruya and Y. Tsuchimoto and T. Tsuji and Y. Ueda and C. Vale and H. W. van Hecke and M. Vargyas and S. Vazquez-Carson and E. Vazquez-Zambrano and A. Veicht and J. Velkovska and R. Vértesi and M. Virius and A. Vossen and V. Vrba and E. Vznuzdaev and X. R. Wang and Z. Wang and D. Watanabe and K. Watanabe and Y. Watanabe and Y. S. Watanabe and F. Wei and R. Wei and S. N. White and D. Winter and S. Wolin and C. L. Woody and M. Wysocki and B. Xia and C. Xu and Q. Xu and Y. L. Yamaguchi and R. Yang and A. Yanovich and P. Yin and J. Ying and S. Yokkaichi and J. H. Yoo and Z. You and I. Younus and H. Yu and I. E. Yushmanov and W. A. Zajc and A. Zelenski and S. Zharko and L. Zou},
journal= {arXiv preprint arXiv:1709.05649},
year = {2023}
}
备注
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