Constraining the right-handed scale through kaon mixing in the supersymmetric left-right model

Yue Zhang, Haipeng An, and Xiangdong Ji

Phys. Rev. D 78, 035006 – Published 13 August 2008

Abstract

We study flavor-changing neutral current and $C P$ violations in the minimal supersymmetric left-right model. We calculate the beyond-standard-model contributions to the neutral kaon mixing $Δ M_{K}$ and $ϵ$ , and find it is possible to have a numerical cancellation between the contributions from the right-handed gauge boson and supersymmetric box diagram. With the cancellation, the right-handed $W$ -boson mass scale can be lowered to about 2 TeV, well within the search limit of LHC.

Received 22 May 2008

DOI:https://doi.org/10.1103/PhysRevD.78.035006

Authors & Affiliations

Yue Zhang^1,2, Haipeng An², and Xiangdong Ji^2,1

¹Center for High-Energy Physics and Institute of Theoretical Physics, Peking University, Beijing 100871, China
²Maryland Center for Fundamental Physics, Department of Physics, University of Maryland, College Park, Maryland 20742, USA

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Vol. 78, Iss. 3 — 1 August 2008

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Physical Review D

covering particles, fields, gravitation, and cosmology