Search Results for author: Basudeb Dasgupta

Found 3 papers, 2 papers with code

Fast Neutrino Flavor Instability in the Neutron-star Convection Layer of Three-dimensional Supernova Models

1 code implementation30 Nov 2019 Robert Glas, H. -Thomas Janka, Francesco Capozzi, Manibrata Sen, Basudeb Dasgupta, Alessandro Mirizzi, Guenter Sigl

The transport solution does not provide the angular distributions of the neutrino fluxes, which are crucial to track the fast flavor instability.

High Energy Astrophysical Phenomena High Energy Physics - Phenomenology

Dark matter capture in celestial objects: Improved treatment of multiple scattering and updated constraints from white dwarfs

no code implementations10 Jun 2019 Basudeb Dasgupta, Aritra Gupta, Anupam Ray

We revisit dark matter (DM) capture in celestial objects, including the impact of multiple scattering, and obtain updated constraints on the DM-proton cross section using observations of white dwarfs.

High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics

Precise Relic WIMP Abundance and its Impact on Searches for Dark Matter Annihilation

1 code implementation16 Apr 2012 Gary Steigman, Basudeb Dasgupta, John F. Beacom

Recent searches for annihilation products of DM annihilation have just reached the sensitivity to exclude this canonical cross section for 100% branching ratio to certain final states and small WIMP masses.

High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies

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