质子广义极化率 $Q^2$ 依赖性的新见解
核实验
2019-11-13 v2
摘要
在美因茨微tron 上，以三个尚未探索的四动量转移 值（0.10、0.20 与 0.45 GeV）研究了质子的虚康普顿散射。采用低能定理或色散关系进行的拟合提取了结构函数 与 ，以及电与磁广义极化率 和 。这些新结果显示 平滑且快速地下降，不同于此前在 = 0.33 GeV 处的测量，并首次提供了低- 区 的精确映射。
引用
@article{arxiv.1907.09954,
title = {New Insight in the $Q^2$-Dependence of Proton Generalized Polarizabilities},
author = {J. Beričič and L. Correa and M. Benali and P. Achenbach and C. Ayerbe Gayoso and J. C. Bernauer and A. Blomberg and R. Böhm and D. Bosnar and L. Debenjak and A. Denig and M. O. Distler and E. J. Downie and A. Esser and H. Fonvieille and I. Friščić and S. Kegel and Y. Kohl and M. Makek and H. Merkel and D. G. Middleton and M. Mihovilovič and U. Müller and L. Nungesser and M. Paolone and J. Pochodzalla and S. Sánchez Majos and B. S. Schlimme and M. Schoth and F. Schulz and C. Sfienti and S. Širca and N. Sparveris and S. Štajner and M. Thiel and A. Tyukin and A. Weber and M. Weinriefer},
journal= {arXiv preprint arXiv:1907.09954},
year = {2019}
}
备注
5 pages, 1 figure .eps. Version accepted by PRL