QCD Corrections to K-Kbar Mixing in R-symmetric Supersymmetric Models

Details QCD Corrections to K-Kbar Mixing in R-symmetric Supersymmetric Models QCD Corrections to K-Kbar Mixing in R-symmetric Supersymmetric Models

2008-03-27

arxiv.org/abs/0803.3811v2

JHEP 0806:043,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 11 pdf-figures; updated acknowledgments and references, clarified relationship to Ref[17], clarified CP-violation se

Scientific paper

10.1088/1126-6708/2008/06/043

The leading-log QCD corrections to K-Kbar mixing in R-symmetric supersymmetric models are computed using effective field theory techniques. The spectrum topology where the gluino is significantly heavier than the squarks is motivated and focused on. It is found that, like in the MSSM, QCD corrections can tighten the kaon mass difference bound by roughly a factor of three. CP violation is also briefly considered, where QCD corrections can constrain phases to be as much as a factor of ten smaller than the uncorrected value.

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