Processes of e+e- → [η, η′, η(1295), η(1405)]γ in the extended Nambu-Jona-Lasinio model

被引：9

作者：

Ahmadov, A. I. ^{[1
,2
]}

Kostunin, D. G. ^{[3
]}

Volkov, M. K. ^{[1
]}

机构：

[1] Joint Inst Nucl Res Dubna, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia

[2] Azerbaijan Natl Acad Sci, Inst Phys, Baku, Azerbaijan

[3] Karlsruhe Inst Technol, Inst Kernphys, D-76021 Karlsruhe, Germany

来源：

PHYSICAL REVIEW C | 2013年 / 87卷 / 04期

关键词：

MESONS; DECAYS;

D O I：

10.1103/PhysRevC.87.045203

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：

In the extended Nambu-Jona-Lasinio (NJL) model the total cross sections of the processes e(+)e(-) -> [eta, eta', eta(1295), eta(1405)]gamma at energies up to 2 GeV are calculated. The intermediate vector mesons rho(770), omega(782), phi(1020), rho'(1450), omega'(1420), and phi'(1680) are taken into account. The latter three mesons are treated as the first radial excited states. They are incorporated into the NJL model by means of polynomial form factors. The calculation results are in satisfactory agreement with the experimental data obtained with the SND detector at VEPP-2M, Novosibirsk. The predictions given for the process e(+)e(-) -> [eta', eta(1295), eta(1405)]gamma have not been experimentally tested yet. DOI: 10.1103/PhysRevC.87.045203

引用

页数：5

共 22 条

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