在Q^2 = 0.8和1.3 (GeV/c)^2下4He(e,e'p)3H反应中的极化转移
核实验
2010-08-24 v8
摘要
在准弹性4He(e,e'p)3H反应中，于Q^2 = 0.8 (GeV/c)^2和1.3 (GeV/c)^2处以前所未有的精度测量了质子反冲极化。发现极化转移系数与1H(e,e'p)反应中的不同，这与相对论性扭曲波近似相矛盾，而支持要么包含由夸克-介子耦合模型预测的介质修正质子形状因子，要么包含自旋依赖的电荷交换末态相互作用。首次研究了极化转移比随质子虚度的变化。
引用
@article{arxiv.1002.2188,
title = {Polarization Transfer in the 4He(e,e'p)3H Reaction at Q^2 = 0.8 and 1.3 (GeV/c)^2},
author = {M. Paolone and S. P. Malace and S. Strauch and I. Albayrak and J. Arrington and B. L. Berman and E. J. Brash and B. Briscoe and A. Camsonne and J. -P. Chen and M. E. Christy and E. Chudakov and E. Cisbani and B. Craver and F. Cusanno and R. Ent and F. Garibaldi and R. Gilman and O. Glamazdin and J. Glister and D. W. Higinbotham and C. E. Hyde-Wright and Y. Ilieva and C. W. de Jager and X. Jiang and M. K. Jones and C. E. Keppel and E. Khrosinkova and E. Kuchina and G. Kumbartzki and B. Lee and R. Lindgren and D. J. Margaziotis and D. Meekins and R. Michaels and K. Park and L. Pentchev and C. F. Perdrisat and E. Piasetzky and V. A. Punjabi and A. J. R. Puckett and X. Qian and Y. Qiang and R. D. Ransome and A. Saha and A. J. Sarty and E. Schulte and P. Solvignon and R. R. Subudi and L. Tang and D. Tedeschi and V. Tvaskis and J. M. Udias and P. E. Ulmer and J. R. Vignote and F. R. Wesselmann and B. Wojteskhowski and X. Zhan},
journal= {arXiv preprint arXiv:1002.2188},
year = {2010}
}