Study on the Y(1S) → BcM Weak Decays

被引：2

作者：

Sun, Junfeng ^{[1
]}

Chen, Lili ^{[1
]}

Wang, Na ^{[1
,2
,3
]}

Chang, Qin ^{[1
,2
,3
]}

Huang, Jinshu ^{[1
,4
]}

Yang, Yueling ^{[1
]}

机构：

[1] Henan Normal Univ, Inst Particle & Nucl Phys, Xinxiang 453007, Peoples R China

[2] Cent China Normal Univ, Inst Particle, Wuhan 430079, Peoples R China

[3] Cent China Normal Univ, Key Lab Quark & Lepton Phys, Wuhan 430079, Peoples R China

[4] Nanyang Normal Univ, Coll Phys & Elect Engn, Nanyang 473061, Peoples R China

来源：

ADVANCES IN HIGH ENERGY PHYSICS | 2015年 / 2015卷

基金：

中国国家自然科学基金;

关键词：

QCD FACTORIZATION; HEAVY; COLLISIONS; UPSILON(2S); QUARKONIUM; MESON;

D O I：

10.1155/2015/691261

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：

Motivated by the prospects of the potential Upsilon(1S) particle at high-luminosity heavy-flavor experiments, we studied the Y( 1S) > BcM weak decays, where M = pi, rho, K-(*). The nonfactorizable contributions to hadronic matrix elements are taken into consideration with the QCDF approach. It is found that the CKM-favored Upsilon(1S) -> B-C rho decay has branching ratio of 0(10-w), which might be measured promisingly by the future experiments.

引用

页数：8

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