Exclusive double Bc meson production from e+ e- annihilation into two virtual photons

被引：7
|
作者：
Berezhnoy, A. V. [1 ]
Martynenko, A. P. [2 ]
Martynenko, F. A. [2 ]
Sukhorukova, O. S. [2 ]
机构：
[1] SINP MSU, Moscow 119992, Russia
[2] Samara Natl Res Univ, Moskovskoye Shosse 34, Samara 443086, Russia
来源：
NUCLEAR PHYSICS A | 2019年 / 986卷
基金：
俄罗斯基础研究基金会;
关键词：
Hadron production in e(+) e(-) interactions; Relativistic quark model; RELATIVISTIC CORRECTIONS; CHARMONIUM PRODUCTION; SCHRODINGER-EQUATION; POTENTIAL MODEL; HEAVY; BARYONS; LIGHT;
D O I：
10.1016/j.nuclphysa.2019.03.006
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 calculate cross sections of a pair B-c meson production on the basis of two-photon mechanism from electron-positron annihilation. We investigate the production cross sections in nonrelativistic approximation and with the account of relativistic corrections. Relativistic production amplitudes of S-wave pair pseudoscalar, vector and pseudoscalar+vector B-c-mesons are constructed on the basis of relativistic quark model. Numerical values of the production cross sections are obtained at different center-of-mass energies. The comparison of one-photon and two-photon annihilation contributions is presented. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：34 / 47
页数：14
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