Eta and kaon production in a chiral quark model

被引：0

作者：

Marri, S. ^{[1
]}

Kalantari, S. Z. ^{[1
]}

机构：

[1] Isfahan Univ Technol, Dept Phys, Esfahan 8415683111, Iran

来源：

EUROPEAN PHYSICAL JOURNAL A | 2016年 / 52卷 / 09期

关键词：

PHOTON ENERGIES; MESON ELECTROPRODUCTION; GAMMA-P; PHOTOPRODUCTION; LAMBDA; WAVE; SCATTERING; THRESHOLD; SIGMA(0); PROTON;

D O I：

10.1140/epja/i2016-16279-6

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We apply a coupled-channel formalism incorporating quasi-bound quark-model states to calculate pion scattering into , and channels, as well , , , and photoproduction processes. The meson-baryon and photon-baryon vertices are determined in a SU(3) version of the Cloudy Bag Model. Our model predicts sizable amplitudes in the P-11, P-13, P-33 and S-11 partial waves in agreement with the latest MAID isobar model and the recent partial-wave analyses of the Bonn-Gatchina group. We are able to give a quark-model explanation for the apparent resonance near 1685 MeV in the channel.

引用

页数：14

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