Dynamical coupled-channels approach to electroweak meson productions on nucleon and deuteron

被引：1
|
作者：
Nakamura, Satoshi X. [1 ,2 ]
机构：
[1] Univ Sci & Technol China, Hefei 230026, Peoples R China
[2] State Key Lab Particle Detect & Elect IHEP USTC, Hefei 230036, Peoples R China
来源：
PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON | 2020年 / 2249卷
基金：
中国国家自然科学基金;
关键词：
PHOTOPRODUCTION;
D O I：
10.1063/5.0008561
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
I overview our recent activity with the Argonne-Osaka dynamical coupled-channels (DCC) approach that provides a unified description of various electroweak meson productions on single nucleon and nucleus. First I discuss the DCC model of a single nucleon. The DCC model has been developed through a comprehensive analysis of pi N, gamma N -> pi N, eta N, K Lambda, K Sigma reaction data. The model has been further extended to finite Q(2) region by analyzing pion electroproduction data, and to neutrino-induced reactions using the PCAC relation. Next I discuss applications of the DCC model to electroweak meson productions on the deuteron. We consider impulse mechanism supplemented by final state interactions (FSI) due to NN and meson-nucleon rescatterings. Using this model, I discuss FSI corrections needed to extract gamma-neutron reaction observables from gamma d -> pi NN, and a novel method to extract eta N scattering length from gamma d -> eta pn. I also discuss FSI corrections on the existing neutrino-nucleon pion production data that had been extracted from neutrino-deuteron data.
引用
收藏
页数：9
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