Protvino 偏振实验 Proza-M 最新结果
高能物理 - 实验
2007-05-23 v1
摘要
在 Protvino 70 GeV 加速器上测量了单自旋不对称 A_N。反应 pp 的不对称值在小 |x_f| 和 p_T<1.5 GeV/c 时接近于零。反应 p p 的在偏振靶破碎区的 SSA 等于 (-13.8 ± 3.8)% 在 |x_f|>0.4 时。存在不对称开始在相同中心质心系 π 介子能处增长的迹象。
引用
@article{arxiv.hep-ex/0312009,
title = {Recent Results from Protvino Polarized Experiment Proza-M},
author = {V. Mochalov and N. Borisov and A. Davidenko and A. Fedorov and V. Grishin and V. Khodyrev and V. Kravtsov and A. Lukhanin and V. Matafonov and Yu. Matulenko and V. Medvedev and Yu. Melnick and A. Meschanin and D. Morozov and A. Neganov and L. Nogach and S. Nurushev and Yu. Plis and A. Prudkoglyad and P. Semenov and K. Shestermanov and V. Solovianov and L. Soloviev and Yu. Usov and A. Vasiliev and A. Yakutin},
journal= {arXiv preprint arXiv:hep-ex/0312009},
year = {2007}
}
备注
6 pages, 5 figures; Presented on X International Workshop on High Energy Spin Physics (SPIN-03), Dubna, September 16-20