Neutron Stars and the Secret Lives of Quarks

Date: 
09/16/2021 - 2:00pm to 3:00pm
Location: 
Online
Speaker(s) / Presenter(s): 
Jeff Berryman (N3AS, UC Berkeley, & U. Washington)

Abstract: The emergence of gravitational wave observatories provides an exquisite opportunity to probe the nuclear equation of state at a few times nuclear saturation density with mergers involving neutron stars. If nucleons possess interactions beyond those prescribed by the Standard Model, then these can modify the equation of state – and thus macroscopic neutron star properties – in a nontrivial way. These new forces also modify a number of hadronic processes, including η and η’ decays, such that they can be probed at, e.g., JLab. In this talk, I will discuss what neutron star observations say about the possibility of quark-coupled new physics and how current and future measurements of rare meson decays can test these new interactions.

 
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