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Basis independent neutrino masses in the violating MSSM
Sacha Davidson, Marta Losada
We calculate the neutrino mass matrix up to one loop order in the MSSM without R-parity, including the bilinears in the mass insertion approximation. This introduces additional dia…
Neutrino masses in the R-parity violating MSSM
Sacha Davidson, Marta Losada
We compute one loop neutrino masses in the R-parity violating Minimal Supersymmetric Model, including the bilinear R-parity violating masses in the mass insertion approximation. To…
Baryogenesis at Low Reheating Temperatures
Sacha Davidson, Marta Losada, Antonio Riotto
We note that the maximum temperature during reheating can be much greater than the reheating temperature at which the Universe becomes radiation dominated. We show that the S…
Updated Bounds on Milli-Charged Particles
Sacha Davidson, Steen Hannestad, Georg Raffelt
We update the bounds on fermions with electric charge and mass . For $m_ε\lsim m_e$ we find $10^{-15}\lsimε<1$ is excluded by laboratory experiments, astrophysics and cos…