测量gamma gamma* --> pi0跃迁形状因子
高能物理 - 实验
2010-04-12 v1
摘要
我们研究了反应e+e- --> e+e-pi0,并在动量转移范围4到40 GeV^2内测量了gamma gamma* --> pi0跃迁形状因子。该分析基于在PEP-II对撞机上使用BABAR探测器在e+e-质心能量约10.6 GeV处收集的442 fb^-1积分亮度。
引用
@article{arxiv.0905.4778,
title = {Measurement of the gamma gamma* --> pi0 transition form factor},
author = {The BABAR Collaboration and B. Aubert},
journal= {arXiv preprint arXiv:0905.4778},
year = {2010}
}
备注
19 pages, 23 postscript figures, submitted to Phys. Rev. D