Among the various candidates for dark matter (DM), ultralight vector DM canbe probed by laser interferometric gravitational wave detectors through themeasurement of oscillating length changes in the arm cavities. In this context,KAGRA has a unique feature due to differing compositions of its mirrors,enhancing the signal of vector DM in the length change in the auxiliarychannels. Here we present the result of a search for $U(1)_{B-L}$ gauge bosonDM using the KAGRA data from auxiliary length channels during the first jointobservation run together with GEO600. By applying our search pipeline, whichtakes into account the stochastic nature of ultralight DM, upper bounds on thecoupling strength between the $U(1)_{B-L}$ gauge boson and ordinary matter areobtained for a range of DM masses. While our constraints are less stringentthan those derived from previous experiments, this study demonstrates theapplicability of our method to the lower-mass vector DM search, which is madedifficult in this measurement by the short observation time compared to theauto-correlation time scale of DM.

Ultralight vector dark matter search using data from the KAGRA O3GK run

I. Tosta e Melo;
2024-01-01

Abstract

Among the various candidates for dark matter (DM), ultralight vector DM canbe probed by laser interferometric gravitational wave detectors through themeasurement of oscillating length changes in the arm cavities. In this context,KAGRA has a unique feature due to differing compositions of its mirrors,enhancing the signal of vector DM in the length change in the auxiliarychannels. Here we present the result of a search for $U(1)_{B-L}$ gauge bosonDM using the KAGRA data from auxiliary length channels during the first jointobservation run together with GEO600. By applying our search pipeline, whichtakes into account the stochastic nature of ultralight DM, upper bounds on thecoupling strength between the $U(1)_{B-L}$ gauge boson and ordinary matter areobtained for a range of DM masses. While our constraints are less stringentthan those derived from previous experiments, this study demonstrates theapplicability of our method to the lower-mass vector DM search, which is madedifficult in this measurement by the short observation time compared to theauto-correlation time scale of DM.
2024
astro-ph.CO
astro-ph.CO
General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11769/711753
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