质子上的中性π介子光生反应
核实验
2012-08-27 v2 高能物理 - 实验
高能物理 - 唯象学
摘要
利用CBELSA/TAPS探测器，通过反应 研究了光子能量在0.85至2.50 GeV范围内的中性π介子光生过程。 介子通过其主要的衰变模式 被观测到。这是首次微分截面覆盖了极前向区域 。在Bonn-Gatchina框架内对这些数据进行的部分波分析观测到了高质量共振态 (2190)、(2080) 和 (2070)。
引用
@article{arxiv.1107.2151,
title = {Photoproduction of Neutral Pions off Protons},
author = {TAPS Collaboration and V. Crede and N. Sparks and A. Wilson and A. V. Anisovich and J. C. S. Bacelar and R. Bantes and O. Bartholomy and D. Bayadilov and R. Beck and Y. A. Beloglazov and R. Castelijns and H. Dutz and D. Elsner and R. Ewald and F. Frommberger and Chr. Funke and R. Gregor and A. Gridnev and E. Gutz and W. Hillert and P. Hoffmeister and I. Jaegle and J. Junkersfeld and H. Kalinowsky and S. Kammer and Frank Klein and Friedrich Klein and E. Klempt and M. Kotulla and B. Krusche and H. Loehner and I. V. Lopatin and S. Lugert and D. Menze and T. Mertens and J. G. Messchendorp and V. Metag and M. Nanova and V. A. Nikonov and D. Novinski and R. Novotny and M. Ostrick and L. M. Pant and H. van Pee and M. Pfeiffer and A. Roy and A. V. Sarantsev and S. Schadmand and C. Schmidt and H. Schmieden and B. Schoch and S. Shende and V. Sokhoyan and A. Suele and V. V. Sumachev and T. Szczepanek and U. Thoma and D. Trnka and R. Varma and D. Walther and Ch. Wendel},
journal= {arXiv preprint arXiv:1107.2151},
year = {2012}
}
备注
12 pages, 9 figures, minor modifications to PWA section