Modeling Neutrino Flux Emitted from a 1st Order QCD Phase Transition in PDE Supernovae to Search for Hybrid Stars
POSTER
Abstract
I have analyzed a mechanism for core-collapse supernova explosions, called the Phase Transition Driven Explosion (PDE), which is modeled in “T. Kuroda, arXiv:2109.01508”. PDEs occur if a massive star (~50M⊙) hits a critical energy density at the end of its lifetime, at which point the core begins to transition from hadronic matter into a deconfined quark gluon plasma. This first order quantum chromodynamic phase transition kickstarts the collapse of the star into a supernova, and emits a distinct neutrino pattern which I analyzed using the model above. I turned mean energy and luminosity neutrino data into both flux and fluence files as evaluated over the 520 ms explosion time frame, discovering the PDE neutrino flux pattern contains a double spike, one at the very beginning (~10ms), as is typical in all supernova events, and one at ~378ms, which is unique to PDE supernovae. I evaluate flux and fluence through the supernova modeling software SNOwGLoBES and SNEWPY to recreate event rates and accurate models of particle detector outputs of a PDE to better search for evidence of these events and their remnants, hybrid stars.
Presenters
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Madeleine Roberts
Duke University
Authors
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Madeleine Roberts
Duke University