Studying of B{sub s}{sup 0}-B{sub s}{sup 0} mixing and B{sub s}{yields}K{sup (*)-}K{sup (*)+} decays within supersymmetry

Journal Article · Sun May 01 00:00:00 EDT 2011 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.83.095010· OSTI ID:21541638

Rumin, Wang; Yuanguo, Xu ^[1]; Qin, Chang ^[2]; Yadong, Yang ^[3]

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1. College of Physics and Electronic Engineering, Xinyang Normal University, Xinyang, Henan 464000 (China)
2. Department of Physics, Henan Normal University, Xinxiang, Henan 453007 (China)
3. Institute of Particle Physics, Huazhong Normal University, Wuhan, Hubei 430079 (China)

Recent results from CDF and D0 collaborations favor a large CP asymmetry in B{sub s}{sup 0}-B{sub s}{sup 0} mixing, while the standard model prediction is very small. Such a large phase may imply sizable new physics effects in B{sub s}{sup 0}-B{sub s}{sup 0} mixing. We compute the gluino-mediated supersymmetry contributions to B{sub s}{sup 0}-B{sub s}{sup 0} mixing, B{sub s}{yields}K{sup (*)-}K{sup (*)+} and B{yields}X{sub s{gamma}} decays in the frame of the mass insertion approximation. Combining the constraints of {Delta}M{sub s},{Delta}{Gamma}{sub s},{phi}{sub s}{sup J}/{psi}{phi}, B(B{sub s}{yields}K{sup -}K{sup +}) and B(B{yields}X{sub s{gamma}}), we find that the effects of the constrained LL and RR insertions in B{sub s}{yields}K{sup (*)-}K{sup (*)+} decays are small because of the absence of gluino mass enhancement. For m{sub g}-tilde{sup 2}/m{sub q}-tilde{sup 2}=9, the constrained LR insertion can provide sizable contributions to all observables of B{sub s}{yields}K{sup (*)-}K{sup (*)+} decays except A{sub CP}{sup dir}(B{sub s}{yields}K{sup -}K{sup +}), and many observables are sensitive to the modulus and the phase of the LR insertion parameter. Near future experiments at Fermilab Tevatron and CERN LHC-b can test these predictions and shrink/reveal the mass insertion parameter spaces.

• OSTI ID: 21541638
• Journal Information: Physical Review. D, Particles Fields, Vol. 83, Issue 9; Other Information: DOI: 10.1103/PhysRevD.83.095010; (c) 2011 American Institute of Physics; ISSN 0556-2821
• Country of Publication: United States
• Language: English

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