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12.05.2023 / 15:00 - 16:00 / Hamburg, SR2, building 2a
Theory SeminarDirect Detection Prospects for Relativistic Scalar Bursts
Joshua Eby
Ultralight scalar particles, including axions, are being sought in a huge array of direct dark matter search experiments. In this talk, I will discuss how one can use these same experimental searches to discover high-energy bursts of scalar particles which can arise from astrophysical processes. In addition to being a new discovery channel, the burst spectrum can contain complementary information about the underlying scalar dark matter theory. As an illustrative example, I will focus on the case of collapsing boson stars, which are known to explode in bursts of scalar particles in what is known as a bosenova, and I will show how the resulting signals are accessible in current and near-future experiments. Time permitting, I will also briefly discuss ongoing work related to the build-up of these burst particles from high redshift to form a relativistic scalar background.
More Information: https://indico.desy.de/event/38096/
