在美因茨微加速器上测量 pi^0 -> e^+e^-gamma 达利兹衰变
高能物理 - 实验
2017-02-21 v2 核实验
摘要
利用美因茨微加速器（MAMI）上的 A2 标记光子装置，在 反应中测量了达利兹衰变 。得到的 电磁跃迁形状因子斜率参数值 ，与对该衰变的现有测量结果以及近期的理论计算一致。所得 值的不确定度低于先前基于 衰变的结果。
引用
@article{arxiv.1611.04739,
title = {Measurement of the pi^0 -> e^+e^-gamma Dalitz decay at the Mainz Microtron},
author = {P. Adlarson and F. Afzal and P. Aguar-Bartolomé and Z. Ahmed and C. S. Akondi and J. R. M. Annand and H. J. Arends and K. Bantawa and R. Beck and H. Berghäuser and M. Biroth and N. S. Borisov and A. Braghieri and W. J. Briscoe and S. Cherepnya and F. Cividini and C. Collicott and S. Costanza and A. Denig and M. Dieterle and E. J. Downie and P. Drexler and M. I. Ferretti Bondy and L. V. Fil'kov and S. Gardner and S. Garni and D. I. Glazier and D. Glowa and W. Gradl and G. M. Gurevich and D. J. Hamilton and D. Hornidge and G. M. Huber and T. C. Jude and A. Käser and V. L. Kashevarov and S. Kay and I. Keshelashvili and R. Kondratiev and M. Korolija and B. Krusche and V. V. Kulikov and A. Lazarev and J. Linturi and V. Lisin and K. Livingston and I. J. D. MacGregor and R. Macrae and D. M. Manley and P. P. Martel and M. Martemianov and J. C. McGeorge and E. F. McNicoll and V. Metag and D. G. Middleton and R. Miskimen and E. Mornacchi and C. Mullen and A. Mushkarenkov and A. Neganov and A. Neiser and A. Nikolaev and M. Oberle and M. Ostrick and P. Ott and P. B. Otte and D. Paudyal and P. Pedroni and A. Polonski and S. Prakhov and A. Rajabi and J. Robinson and G. Ron and G. Rosner and T. Rostomyan and C. Sfienti and M. H. Sikora and V. Sokhoyan and K. Spieker and O. Steffen and I. I. Strakovsky and B. Strandberg and Th. Strub and I. Supek and A. Thiel and M. Thiel and A. Thomas and M. Unverzagt and Yu. A. Usov and S. Wagner and N. Walford and D. P. Watts and D. Werthmüller and J. Wettig and L. Witthauer and M. Wolfes and L. A. Zana},
journal= {arXiv preprint arXiv:1611.04739},
year = {2017}
}
备注
11 pages, 7 figures, 1 table