GRAAL实验中中子上$\eta$光产生
高能物理 - 实验
2017-08-23 v1
摘要
准自由横截面揭示了一个在 GeV处的共挑结构。该结构可能是介于中子共挑态的表现。鉴于其性质——可能较窄的宽度以及对中子强的光耦合——看起来并不寻常。该结构也可能信号一种狭窄态的存在。
引用
@article{arxiv.hep-ex/0601002,
title = {Eta photoproduction off the neutron at GRAAL},
author = {V. Kuznetsov and O. Bartalini and V. Bellini and M. Castoldi and A. D'Angelo and J. -P. Didelez and R. Di Salvo and A. Fantini and D. Franco and G. Gervino and F. Ghio and B. Girolami and A. Giusa and M. Guidal and E. Hourany and R. Kunne and A. Lapik and P. Levi Sandri and D. Moricciani and L. Nicoletti and C. Randieri and N. Rudnev and G. Russo and C. Schaerf and M. -L. Sperduto and M. -C. Sutera and A. Turinge},
journal= {arXiv preprint arXiv:hep-ex/0601002},
year = {2017}
}
备注
To appear in Proceedings of Workshop on the Physics of Excited Nucleons NSTAR2005, 12 - 15 October 2005, Tallahassee, Florida, USA