"Search for low-mass dark matter via bremsstrahlung radiation and the M" by M. F. Albakry, I. Alkhatib et al.
 

Document Type

Article

Source of Publication

Physical Review D

Publication Date

6-1-2023

Abstract

We present a new analysis of previously published SuperCDMS data using a profile likelihood framework to search for sub-GeV dark matter (DM) particles through two inelastic scattering channels: bremsstrahlung radiation and the Migdal effect. By considering these possible inelastic scattering channels, experimental sensitivity can be extended to DM masses that are undetectable through the DM-nucleon elastic scattering channel, given the energy threshold of current experiments. We exclude DM masses down to 220 MeV/c2 at 2.7×10-30 cm2 via the bremsstrahlung channel. The Migdal channel search provides overall considerably more stringent limits and excludes DM masses down to 30 MeV/c2 at 5.0×10-30 cm2.

ISSN

2470-0010

Publisher

American Physical Society (APS)

Volume

107

Issue

11

Disciplines

Physical Sciences and Mathematics

Keywords

Sub-GeV dark matter, inelastic scattering, bremsstrahlung radiation, Migdal effect, experimental sensitivity

Scopus ID

85164034759

Creative Commons License

Creative Commons Attribution 4.0 International License
This work is licensed under a Creative Commons Attribution 4.0 International License.

Indexed in Scopus

yes

Open Access

yes

Open Access Type

Hybrid: This publication is openly available in a subscription-based journal/series

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