12-20 July 2017
BEXCO
Asia/Seoul timezone
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Contribution

BEXCO - Room F(201/202/203/204)

[DM054] Estimating the Sensitivity of IceCube to Signatures of Axionlike Particle Production in a Galactic Supernova

Speakers

  • Robert CROSS

Primary authors

Co-authors

Description

In this proceeding we describe the sensitivity of the IceCube Neutrino Observatory to the creation of axions and axion-like particles (ALPs) in a Galactic Core Collapse Supernova (CCSN). Axions are a light dark matter candidate, and their existence is well-motivated as a solution to the strong CP problem. In a supernova, axions behave much like neutrinos, effciently removing energy from the explosion and cooling the system. As a result, neutrino production in a CCSN is suppressed in the presence of axions, mainly affecting the seconds-long tail of the CCSN neutrino light curve. The IceCube detector scaler system is sensitive to MeV neutrinos from a CCSN. We present a shape analysis that can be used on the IceCube scaler rate to discriminate the axion production scenario from standard CCSN models. We also describe the sensitivity of the detector to axion-nucleon coupling for a range of values of the axion mass and coupling constant.