Isospin asymmetry in B → K*μ+μ- using AdS/QCD

被引：21

作者：

Ahmady, M. ^{[1
]}

Lord, S. ^{[2
]}

Sandapen, R. ^{[1
,3
]}

机构：

[1] Mt Allison Univ, Dept Phys, Sackville, NB E46 1E6, Canada

[2] Univ Moncton, Dept Math & Stat, Moncton, NB E1A 3E9, Canada

[3] Univ Moncton, Dept Phys & Astron, Moncton, NB E1A 3E9, Canada

来源：

PHYSICAL REVIEW D | 2014年 / 90卷 / 07期

基金：

加拿大自然科学与工程研究理事会;

关键词：

SYMMETRY; BREAKING;

D O I：

10.1103/PhysRevD.90.074010

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We compute the isospin asymmetry distribution in the rare dileptonic decay B -> K*mu(+)mu(-), in the dimuon mass squared (q(2)) region below the J/Psi. resonance, using nonperturbative inputs as predicted by the anti-de Sitter/quantum chromodynamics correspondence and by sum rules. We predict a positive asymmetry at q(2) = 0 which flips sign in the region q(2) is an element of[1, 2] GeV2 to remain small (<= 2%) and negative for larger q(2). While our predictions are distinct as q(2) -> 0, they become hardly model-dependent q(2) >= 4 GeV2. We compare our predictions to the most recent LHCb data.

引用

页数：11

共 42 条

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