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15 papers · 1 filter
Mass gap without vacuum energy
B. Holdom
We consider soft nonlocal deformations of massless theories that introduce a mass gap. By use of a renormalization scheme that preserves the ultraviolet softness of the deformation…
R-symmetric Gauge Mediation and the MRSSM
Andrew E. Blechman
This is an invited summary of a seminar talk given at various institutions in the United States and Canada. After a brief introduction, a review of the minimal R-symmetric supersym…
High order perturbative corrections to the determination of |Vub| from the P+ spectrum in B -> Xu l nu
Francisco Campanario, Michael Luke, Saba Zuberi
We investigate the behaviour of the perturbative relation between the photon energy spectrum in B -> Xs gamma and the hadronic P+ spectrum in semileptonic B -> Xu l nu decay at hig…
R-symmetric gauge mediation
Santiago De Lope Amigo, Andrew E. Blechman, Patrick J. Fox +1
We present a version of Gauge Mediated Supersymmetry Breaking which preserves an R-symmetry - the gauginos are Dirac particles, the A-terms are zero, and there are four Higgs doubl…
New Flavor Interactions at the LHC
B. Holdom
For a new family-nonuniversal gauge interaction to be accessible at the LHC it will most likely couple preferentially to the third family. By coupling to all members of the third f…
QCD Corrections to K-Kbar Mixing in R-symmetric Supersymmetric Models
Andrew E. Blechman, Siew-Phang Ng
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 i…