期刊
PHYSICAL REVIEW D
卷 104, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.104.074028
关键词
-
资金
- U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-SC0016583, DE-AC05-06OR23177]
High-accuracy meson photoproduction data from EIC and EicC experiments are used to measure the near-threshold total cross section of the reaction gamma p -> (sic)p, allowing extraction of the absolute value of the (sic)p-scattering length. Comparative analysis is conducted with recently determined scattering lengths for omega p, phi p, and J/psi p using experimental data from A2, CLAS, and GlueX to evaluate the role of the young vector-meson effect.
High-accuracy (sic)-meson photoproduction data from EIC and EicC experiments will allow the measurement of the near-threshold total cross section of the reaction gamma p -> (sic)p, from which the absolute value of the (sic)p-scattering length, vertical bar alpha((sic)p)vertical bar, can be extracted using a vector-meson dominance model. For this evaluation, we used (sic)-meson photoproduction quasidata from the QCD approach (the production amplitude can be factorized in terms of gluonic generalized parton distributions and the quarkonium distribution amplitude). A comparative analysis of vertical bar alpha((sic)p)vertical bar with the recently determined scattering lengths for omega p, phi p, and J/psi p using the A2, CLAS, and GlueX experimental data are performed. The role of the young vector-meson effect is evaluated.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据