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7 papers · 2 filters
Status of the Cabibbo Angle
E. Blucher, E. De Lucia, G. Isidori +14
We review the recent experimental and theoretical progress in the determination of |V_{ud}| and |V_{us}|, and the status of the most stringent test of CKM unitarity. Future prospec…
Naturalness and Higgs Decays in the MSSM with a Singlet
Spencer Chang, Patrick J. Fox, Neal Weiner
The simplest extension of the supersymmetric standard model - the addition of one singlet superfield - can have a profound impact on the Higgs and its decays. We perform a general…
Improved Calculation of Electroweak Radiative Corrections and the Value of V_ud
William J. Marciano, Alberto Sirlin
A new method for computing hadronic effects on electroweak radiative corrections to low-energy weak interaction semileptonic processes is described. It employs high order perturbat…
Dark Matter and the Baryon Asymmetry
Glennys R. Farrar, Gabrijela Zaharijas
We present a mechanism to generate the baryon asymmetry of the Universe which preserves the net baryon number created in the Big Bang. If dark matter particles carry baryon number…
New Matter Effects and BBN Constraints for Mass Varying Neutrinos
Neal Weiner, Kathryn Zurek
The presence of light (m_a ~ 10^-6 ev) scalar fields in the early universe can modify the cosmology of neutrinos considerably by allowing their masses to vary on cosmological times…
Supersymmetric Theories of Neutrino Dark Energy
Rob Fardon, Ann E. Nelson, Neal Weiner
We present a supersymmetric model of dark energy from Mass Varying Neutrinos which is stable against radiative corrections to masses and couplings, and free of dynamical instabilit…