在 MAMI 上研究 $\eta$ 和 $\eta'$ 光生
核实验
2017-05-31 v1 高能物理 - 实验
高能物理 - 唯象学
摘要
利用 Mainz Microtron (MAMI) 的标记光子设施，已测量反应 和 从阈值到质心能量 GeV。以空前精度获得了微分截面，提供了精细的能量分箱和完整的产生角覆盖。在 光生的总截面和激发函数中，于 阈值附近能量 MeV (MeV) 处观察到强尖点。此行为在修订的 MAID 等压模型中通过 核子共振到 和 两者的显著分支得到解释，确认了该鲜为人知态的存在并约束了其性质。
引用
@article{arxiv.1701.04809,
title = {Study of $\eta$ and $\eta'$ photoproduction at MAMI},
author = {V. L. Kashevarov and P. Ott and S. Prakhov and P. Adlarson and F. Afzal and Z. Ahmed and C. S. Akondi and J. R. M. Annand and H. J. Arends and R. Beck and A. Braghieri and W. J. Briscoe and F. Cividini and R. Codling and C. Collicott and S. Costanza and A. Denig and E. J. Downie and M. Dieterle and M. I. Ferretti Bondy and L. V. Filkov and A. Fix and S. Gardner and S. Garni and D. I. Glazier and D. Glowa and W. Gradl and G. Gurevich and D. J. Hamilton and D. Hornidge and D. Howdle and G. M. Huber and A. Kaeser and S. Kay and I. Keshelashvili and R. Kondratiev and M. Korolija and B. Krusche and J. Linturi and V. Lisin and K. Livingston and I. J. D. MacGregor and R. MacRae and J. Mancell and D. M. Manley and P. P. Martel and J. C. McGeorge and E. McNicol and D. G. Middleton and R. Miskimen and E. Mornacchi and C. Mullen and A. Mushkarenkov and A. Neiser and M. Oberle and M. Ostrick and P. B. Otte and B. Oussena and D. Paudyal and P. Pedroni and V. V. Polyanski and A. Rajabi and J. Robinson and G. Rosner and T. Rostomyan and A. Sarty and D. M. Schott and S. Schumann and C. Sfienti and V. Sokhoyan and K. Spieker and O. Steffen and B. Strandberg and I. I. Strakovsky and Th. Strub and I. Supek and M. F. Taragin and A. Thiel and M. Thiel and L. Tiator and A. Thomas and M. Unverzagt and S. Wagner and D. P. Watts and D. Werthmueller and J. Wettig and L. Witthauer and M. Wolfes and R. L. Workman and L. Zana},
journal= {arXiv preprint arXiv:1701.04809},
year = {2017}
}