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7 papers · 2 filters
Global BRST symmetry and its LSS theorem: Ward-Takahashi identities governing Green's functions, on-shell T-Matrix elements, and , in the scalar-sector of certain spontaneously broken non-Abelian gauge theories
Özenç Güngör, Bryan W. Lynn, Glenn D. Starkman
This work is dedicated to the memory of Raymond Stora (1930-2015). is the simplest spontaneous symmetry breaking (SSB) non-Abelian gauge theory: a complex scalar doublet…
Non-Abelian gauge preheating
Peter Adshead, John T. Giblin, Zachary J. Weiner
We study preheating in models where a scalar inflaton is directly coupled to a non-Abelian gauge field. In particular, we examine inflation with a conformal, dila…
Sterile Neutrinos and B-L Symmetry
Pavel Fileviez Perez, Clara Murgui
We revisit the relation between the neutrino masses and the spontaneous breaking of the B-L gauge symmetry. We discuss the main scenarios for Dirac and Majorana neutrinos and point…
and entropy production from early-decaying gravitinos
Emanuela Dimastrogiovanni, Lawrence M. Krauss
Gravitinos are a fundamental prediction of supergravity, their mass () is informative of the value of the SUSY breaking scale, and, if produced during reheating, their numbe…
Baryonic Higgs at the LHC
Michael Duerr, Pavel Fileviez Perez, Juri Smirnov
We investigate the possible collider signatures of a new Higgs in simple extensions of the Standard Model where baryon number is a local symmetry spontaneously broken at the low sc…
Lepton Flavour Violation in Left-Right Theory
Pavel Fileviez Perez, Clara Murgui
We investigate the predictions for lepton flavour number violating processes in the context of a simple left-right symmetric theory. In this context neutrinos are Majorana fermions…