GENERALIZED POLARIZABILITY OF NEUTRAL PIONS OF THE PROCESS e-e+ → π0π 0γ IN THE NJL MODEL

被引：0
作者：
Ahmadov, A. I. [1 ]
Kuraev, E. A. [1 ]
Volkov, M. K. [1 ]
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2011年 / 26卷 / 20期
关键词：
Nambu Jona-Lasinio model; SU(2) x SU(2) NJL model; radially excited mesons;
D O I：
10.1142/S0217751X11053870
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：
Differential distributions in the pi(0)pi(0)gamma system created in the annihilation channel of an electron-positron collision are considered. The energy fractions of the pions (Dalitz-plot) distribution are presented in a general form and in approximation of intermediate vector mesons (excited and ordinary ones). It is pointed out that in relevant experiments the generalized polarizability of the neutral pion can be measured. Numerical illustrations are presented.
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收藏
页码：3337 / 3346
页数：10
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