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Calculable Corrections to Brane Black Hole Decay II: Greybody Factors for Spin 1/2 and 1
Panagiota Kanti, John March-Russell
The production of black holes in extra-dimensional brane-world theories can lead to detectable signals via the Hawking evaporation of the black hole to brane-localised Standard Mod…
Higher-Dimensional Origin of Heavy Sneutrino Domination and Low-Scale Leptogenesis
A. Hebecker, J. March-Russell, T. Yanagida
If the expectation value of the right-handed (rhd) sneutrino comes to dominate the universe, its decay naturally leads to successful leptogenesis, as well as significant dilution o…
The Flavour Hierarchy and See-Saw Neutrinos from Bulk Masses in 5d Orbifold GUTs
Arthur Hebecker, John March-Russell
In supersymmetric grand unified theories (GUTs) based on S^1/(Z_2 x Z'_2) orbifold constructions in 5 dimensions, Standard Model (SM) matter and Higgs fields can be realized in ter…
Proton Decay Signatures of Orbifold GUTs
Arthur Hebecker, John March-Russell
In grand unified theories based on orbifold constructions in higher dimensions, Higgsino-mediated proton decay is absent. However, proton decay mediated by and gauge bosons…
Calculable Corrections to Brane Black Hole Decay I: The Scalar Case
Panagiota Kanti, John March-Russell
In the context of brane-world theories, the production cross-section for black holes may be greatly enhanced. Such black holes can in principle lead to detectable signals via their…
Depilating Global Charge From Thermal Black Holes
John March-Russell, Frank Wilczek
At a formal level, there appears to be no difficulty involved in introducing a chemical potential for a globally conserved quantum number into the partition function for space-time…