Analysis of the lepton polarisation asymmetries of (B)over-bar → (K)over-bar2(1430)l+l- decay

被引：0

作者：

Choudhury, S. R. ^{[1
]}

Cornell, A. S. ^{[2
]}

Roussos, J. D. ^{[2
]}

机构：

[1] Indian Inst Sci Educ & Res, Bhopal, India

[2] Univ Witwatersrand, Sch Phys, Natl Inst Theoret Phys, ZA-2050 Johannesburg, South Africa

来源：

EUROPEAN PHYSICAL JOURNAL C | 2011年 / 71卷 / 09期

关键词：

D O I：

10.1140/epjc/s10052-011-1751-x

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：

In this work we will study the longitudinal polarisations of both leptons in the decay process (B) over bar -> (K) over bar (2)(1430)l(+)l(-). This process has all the features of the related and well investigated process (B) over bar -> (K) over bar*(890_l(+)l(-), with theoretically comparable branching ratios. The polarised differential decay rates as well as the single and double polarisation asymmetries are worked out, where the sensitivity of these to possible right-handed couplings for the related b -> s radiative decay (and other BSM parameters) are also investigated.

引用

页数：8

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