碳中束缚质子极化转移的测量及其虚拟性依赖
核实验
2018-03-28 v2
摘要
我们在美因茨微tron（MAMI）上通过过程测量了从电子转移到中束缚质子的极化横向与纵向分量之比。我们观测到，该比值相对于自由质子比值归一化后的结果，对于壳层和壳层敲出质子均一致地偏离1，尽管它们所处的平均局域密度相差约两倍。双比值对质子虚拟性的依赖与从和中敲出质子的情况相似，暗示了一种普适行为。这进一步意味着其不依赖于平均局域核密度。
引用
@article{arxiv.1711.09680,
title = {Measurement of polarization-transfer to bound protons in carbon and its virtuality dependence},
author = {A1 Collaboration and D. Izraeli and T. Brecelj and P. Achenbach and A. Ashkenazi and R. Böhm and E. O. Cohen and M. O. Distler and A. Esser and R. Gilman and T. Kolar and I. Korover and J. Lichtenstadt and I. Mardor and H. Merkel and M. Mihovilovič and U. Müller and M. Olivenboim and E. Piasetzky and G. Ron and B. S. Schlimme and M. Schoth and C. Sfienti and S. Širca and S. Štajner and S. Strauch and M. Thiel and A. Weber and I. Yaron},
journal= {arXiv preprint arXiv:1711.09680},
year = {2018}
}