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Photons from neutrinos: the gamma ray echo of a supernova neutrino burst
Cecilia Lunardini, Joshua Loeffler, Mainak Mukhopadhyay +3
When a star undergoes core collapse, a vast amount of energy is released in a ~10 s long burst of neutrinos of all species. Inverse beta decay in the star's hydrogen envelope cause…
Presupernova neutrinos: directional sensitivity and prospects for progenitor identification
Mainak Mukhopadhyay, Cecilia Lunardini, F. X. Timmes +1
We explore the potential of current and future liquid scintillator neutrino detectors of O (10) kt mass to localize a pre-supernova neutrino signal in the sky. In the hours precedi…
Neutrinos from beta processes in a presupernova: probing the isotopic evolution of a massive star
Kelly M. Patton, Cecilia Lunardini, Robert J. Farmer +1
We present a new calculation of the neutrino flux received at Earth from a massive star in the hours of evolution prior to its explosion as a supernova (presupernova). Us…
The Three Dimensional Evolution to Core Collapse of a Massive Star
Sean M. Couch, Emmanouil Chatzopoulos, W. David Arnett +1
We present the first three dimensional (3D) simulation of the final minutes of iron core growth in a massive star, up to and including the point of core gravitational instability a…