Relativistic corrections to the pair Bc-meson production in e+ e- annihilation

被引：14
|
作者：
Karyasov, A. A. [1 ]
Martynenko, A. P. [1 ]
Martynenko, F. A. [1 ]
机构：
[1] Samara Univ, Moskovskoye Shosse 34, Samara 443086, Russia
来源：
NUCLEAR PHYSICS B | 2016年 / 911卷
关键词：
DOUBLY HEAVY BARYONS; CHARMONIUM PRODUCTION; QUARK-MODEL; SCHRODINGER-EQUATION; LIGHT MESONS; DECAY-RATES; J/PSI; STATE;
D O I：
10.1016/j.nuclphysb.2016.07.034
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Relativistic corrections to the pair B-c-meson production in e(+) e(-) -annihilation are calculated. We investigate a production of pair pseudoscalar, vector and pseudoscalar+vector B-c-mesons in the leading order perturbative quantum chromodynamics and relativistic quark model. Relativistic expressions of the pair production cross sections are obtained. Their numerical evaluation shows that relativistic effects in the production amplitudes and bound state wave functions three times reduce nonrelativistic results at the center-of-mass energy s = 22 GeV. (C) 2016 The Author(s). Published by Elsevier B.V.
引用
收藏
页码：36 / 51
页数：16
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