相对论性重离子碰撞中K0介子的介质内效应
核实验
2015-05-18 v2
摘要
我们展示了使用HADES谱仪在束流动能为1.756 A GeV的Ar+KCl反应中测量到的π⁻和K⁰_S的横动量谱和快度分布。重建的K⁰_S样本在动量和快度的宽范围内具有良好的事件统计量。我们将实验的π⁻和K⁰_S分布与IQMD模型的预测进行了比较。模型计算表明，低横动量下的K⁰_S是研究Kaon介质内势的特别合适的工具。我们的K⁰_S数据表明，K⁰的强排斥介质内势强度约为40 MeV。
引用
@article{arxiv.1004.3881,
title = {In-Medium Effects on K0 Mesons in Relativistic Heavy-Ion Collisions},
author = {G. Agakishiev and A. Balanda and B. Bannier and R. Bassini and D. Belver and A. V. Belyaev and A. Blanco and M. Böhmer and J. L. Boyard and P. Cabanelas and E. Castro and S. Chernenko and T. Christ and M. Destefanis and J. Díaz and F. Dohrmann and A. Dybczak and T. Eberl and E. Epple and L. Fabbietti and O. V. Fateev and P. Finocchiaro and P. Fonte and J. Friese and I. Fröhlich and T. Galatyuk and J. A. Garzón and R. Gernhäuser and A. Gil and C. Gilardi and M. Golubeva and D. González-Díaz and F. Guber and M. Heilmann and T. Heinz and T. Hennino and R. Holzmann and A. Ierusalimov and I. Iori and A. Ivashkin and M. Jurkovic and B. Kämpfer and K. Kanaki and T. Karavicheva and D. Kirschner and I. Koenig and W. Koenig and B. W. Kolb and R. Kotte and F. Krizek and R. Krücken and W. Kühn and A. Kugler and A. Kurepin and S. Lang and J. S. Lange and K. Lapidus and T. Liu and L. Lopes and M. Lorenz and L. Maier and A. Mangiarotti and J. Markert and V. Metag and B. Michalska and J. Michel and D. Mishra and E. Morinière and J. Mousa and C. Müntz and L. Naumann and J. Otwinowski and Y. C. Pachmayer and M. Palka and Y. Parpottas and V. Pechenov and O. Pechenova and T. PérezCavalcanti and J. Pietraszko and W. Przygoda and B. Ramstein and A. Reshetin and M. Roy-Stephan and A. Rustamov and A. Sadovsky and B. Sailer and P. Salabura and A. Schmah and E. Schwab and Yu. G. Sobolev and S. Spataro and B. Spruck and H. Ströbele and J. Stroth and C. Sturm and M. Sudol and A. Tarantola and K. Teilab and P. Tlusty and M. Traxler and R. Trebac and H. Tsertos and V. Wagner and M. Weber and M. Wisniowski and T. Wojcik and J. Wüstenfel and S. Yurevich and Y. V. Zanevsky and P. Zhou and P. Zumbruch},
journal= {arXiv preprint arXiv:1004.3881},
year = {2015}
}
备注
10 pages, 10 figures, accepted by Phys. Rev. C