束流能量 E_beam = 3.5 GeV 下质子 - 质子碰撞中的 K*(892)+ 产生
核实验
2016-08-08 v1
摘要
我们展示了束流能量 GeV 下质子 - 质子碰撞中 K*(892)+ 产生的结果，这是迄今为止在核子 - 核子反应中观测到该介子共振态的最低能量。数据在一个双通道模型内进行了解释，该模型包含了与 Lambda-或 Sigma-超子关联的 K*(892)+ 三体产生过程。我们估算了这两个通道的相对贡献。除了总截面 mub（为低过剩能区 K*(892)+ 产生的激发函数增添了新的数据点）之外，我们还提取了横向动量和角谱，并与双通道模型的预测进行了比较。此外，我们还从自旋排列的角度讨论了 K*(892)+ 的自旋特性。
引用
@article{arxiv.1505.06184,
title = {K*(892)+ production in proton-proton collisions at E_beam = 3.5 GeV},
author = {HADES Collaboration and G. Agakishiev and O. Arnold and D. Belver and A. Belyaev and J. C. Berger-Chen and A. Blanco and M. Böhmer and J. L. Boyard and P. Cabanelas and S. Chernenko and A. Dybczak and E. Epple and L. Fabbietti and O. Fateev and P. Finocchiaro and P. Fonte and J. Friese and I. Fröhlich and T. Galatyuk and J. A. Garzón and R. Gernhäuser and K. Göbel and M. Golubeva and D. González-Díaz and F. Guber and M. Gumberidze 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 T. Karavicheva and I. Koenig and W. Koenig and B. W. Kolb and G. Korcyl and G. Kornakov and R. Kotte and A. Krása and F. Krizek and R. Krücken and H. Kuc and W. Kühn and A. Kugler and T. Kunz and A. Kurepin and V. Ladygin and R. Lalik and K. Lapidus and A. Lebedev and L. Lopes and M. Lorenz and L. Maier and A. Mangiarotti and J. Markert and V. Metag and J. Michel and D. Mihaylov and C. Müntz and R. Münzer and L. Naumann and Y. C. Pachmayer and M. Palka and Y. Parpottas and V. Pechenov and O. Pechenova and J. Pietraszko and W. Przygoda and B. Ramstein and A. Reshetin and A. Rustamov and A. Sadovsky and P. Salabura and A. Schmah and E. Schwab and J. Siebenson and Yu. G. Sobolev and S. Spataro and B. Spruck and H. Ströbele and J. Stroth and C. Sturm and O. Svoboda and A. Tarantola and K. Teilab and P. Tlusty and M. Traxler and H. Tsertos and T. Vasiliev and V. Wagner and M. Weber and C. Wendisch and J. Wüstenfeld and S. Yurevich and Y. Zanevsky},
journal= {arXiv preprint arXiv:1505.06184},
year = {2016}
}
备注
7 pages, 9 figures, 1 table