{\eta}'-核光学势的测定
核实验
2013-12-03 v1
摘要
在 1250-2600 MeV 的能量范围内，测量了光子诱导 C 反应中 介子的激发函数和动量分布。实验使用来自 ELSA 电子加速器的标记光子束，并利用 Crystal Barrel 和 TAPS 探测器进行。将数据与模型计算进行比较，以提取关于 -核势实部的符号和大小的信息。在模型内，比较结果表明存在一个吸引势，其在正常核物质密度下的深度为 -() MeV。由于该深度的模量大于由透明度比测量确定的 -核势虚部的模量 -() MeV，因此寻找分辨清晰的 束缚态显得很有希望。
引用
@article{arxiv.1311.0122,
title = {Determination of the {\eta}'-nucleus optical potential},
author = {M. Nanova and V. Metag and E. Ya. Paryev and D. Bayadilov and B. Bantes and R. Beck and Y. A. Beloglazov and S. Böse and K. -T. Brinkmann and Th. Challand and V. Crede and T. Dahlke and F. Dietz and P. Drexler and H. Eberhardt and D. Elsner and R. Ewald and K. Fornet-Ponse and S. Friedrich and F. Frommberger and Ch. Funke and M. Gottschall and A. Gridnev and M. Grüner and E. Gutz and Ch. Hammann and D. Hammann and J. Hannappel and J. Hartmann and W. Hillert and P. Hoffmeister and Ch. Honisch and I. Jaegle and D. Kaiser and H. Kalinowsky and S. Kammer and I. Keshelashvili and V. Kleber and F. Klein and E. Klempt and B. Krusche and M. Lang and I. V. Lopatin and Y. Maghrbi and K. Makonyi and J. Müller and T. Odenthal and D. Piontek and S. Schaepe and Ch. Schmidt and H. Schmieden and R. Schmitz and T. Seifen and A. Thiel and U. Thoma and H. van Pee and D. Walther and Ch. Wendel and U. Wiedner and A. Wilson and A. Winnebeck and F. Zenke},
journal= {arXiv preprint arXiv:1311.0122},
year = {2013}
}
备注
13 pages, 6 figures