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Supernova Constraint on Self-Interacting Dark Sector Particles
Allan Sung, Gang Guo, Meng-Ru Wu
We examine the constraints on sub-GeV dark sector particles set by the proto-neutron star cooling associated with the core-collapse supernova event SN1987a. Considering explicitly…
Charged-Current Muonic Reactions in Core-Collapse Supernovae
Gang Guo, Gabriel Martínez-Pinedo, Andreas Lohs +1
The steady advance in core-collapse supernova simulations requires a more precise description of neutrino processes in hot and dense matter. In this work, we study the rates of cha…
Improved axion emissivity from a supernova via nucleon-nucleon bremsstrahlung
Pierluca Carenza, Tobias Fischer, Maurizio Giannotti +3
The most efficient axion production mechanism in a supernova (SN) core is the nucleon-nucleon bremsstrahlung. This process has been often modeled at the level of the vacuum one-pio…
Lepton number violation and in a radiative inverse seesaw dark matter model
Guan-nan Li, Gang Guo, Bo Ren +2
We study phenomenological implications of a radiative inverse seesaw dark matter model. In this model, because neutrino masses are generated at two loop level with inverse seesaw,…
Radiative Two Loop Inverse Seesaw and Dark Matter
Gang Guo, Xiao-Gang He, Guan-Nan Li
Seesaw mechanism provides a natural explanation of light neutrino masses through suppression of heavy seesaw scale. In inverse seesaw models the seesaw scale can be much lower than…
LHC Evidence Of A 126 GeV Higgs Boson From With Three And Four Generations
Gang Guo, Bo Ren, Xiao-Gang He
Searches for Higgs boson at the LHC have excluded standard model (SM) Higgs boson mass in the range between 127 GeV to 600 GeV. With a fourth generation, the excluded range is wide…
Dispersion Relations Explaining OPERA Data From Deformed Lorentz Transformation
Gang Guo, Xiao-Gang He
OPERA collaboration has reported evidence of superluminal phenomenon for neutrinos. One of the possible ways to explain the superluminality is to have Lorentz symmetry violated. It…