Lepton polarization asymmetry in B l+l- decays in R-parityviolating minimal supersymmetric standard model

A. Mir; F. Tahir; K. Ahmed

doi:10.1209/0295-5075/83/41002

All issues

Volume 83 / No 4 (August 2008)

EPL, 83 4 (2008) 41002

Abstract

Issue		EPL Volume 83, Number 4, August 2008


Article Number		41002
Number of page(s)		4
Section		The Physics of Elementary Particles and Fields
DOI		https://doi.org/10.1209/0295-5075/83/41002
Published online		04 August 2008

EPL, 83 (2008) 41002

Lepton polarization asymmetry in B $\rightarrow$ l⁺l^- decays in R-parity $\hbox{--}$ violating minimal supersymmetric standard model

A. Mir, F. Tahir and K. Ahmed

Physics Department, COMSATS Institute of Information Technology - Islamabad, Pakistan

Corresponding authors: neutrino_79@hotmail.com farida_tahir@comsats.edu.pk ftahir@ku.edu kamal@comsats.edu.pk kahmed_pk@yahoo.com

Received: 4 December 2007
Accepted: 23 June 2008

Abstract

We study the implications of R-parity-violating ( ${R}_{p}$ ) Minimal Supersymmetric Standard Model (MSSM) in lepton polarization asymmetry (A_LP) in B $\rightarrow$ l⁺l^- decays. The analysis shows that the A_LP is significant only in a certain phenomenological parametric region of Yukawa coupling products and branching fraction. The analysis further shows how ${\rm tan}\beta$ arising from type-II Higgs Doublet Model (2HDM) is constrained in the presence of ${R}_{p}$ Yukawa interactions.

PACS: 13.20.-v – Leptonic, semileptonic, and radiative decays of mesons / 13.88.+e – Polarization in interactions and scattering

© EPLA, 2008

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