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Riding the dark matter wave: novel limits on general dark photons from LISA Pathfinder

We note the possibility to perform a parametrically improved search for gauged baryon (B) and baryon minus lepton (B−L) Dark Photon Dark Matter (DPDM) using auxiliary channel data from LISA Pathfinder. In particular we use the measurement of the differential movement between the test masses (TMs) an...

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Bibliographic Details
Main Authors: Frerick, Jonas (Author) , Jaeckel, Joerg (Author) , Kahlhoefer, Felix (Author) , Schmidt-Hoberg, Kai (Author)
Format: Article (Journal)
Language:English
Published: January 2024
In: Physics letters
Year: 2024, Volume: 848, Pages: 1-9
ISSN:1873-2445
DOI:10.1016/j.physletb.2023.138328
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1016/j.physletb.2023.138328
Verlag, kostenfrei, Volltext: https://www.sciencedirect.com/science/article/pii/S0370269323006627
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Author Notes:Jonas Frerick, Joerg Jaeckel, Felix Kahlhoefer, Kai Schmidt-Hoberg
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Summary:We note the possibility to perform a parametrically improved search for gauged baryon (B) and baryon minus lepton (B−L) Dark Photon Dark Matter (DPDM) using auxiliary channel data from LISA Pathfinder. In particular we use the measurement of the differential movement between the test masses (TMs) and the space craft (SC) which is nearly as sensitive as the tracking between the two TMs. TMs and SC are made from different materials and therefore have different charge-to-mass ratios for both B−L and B. Thus, the surrounding DPDM field induces a relative acceleration of nearly constant frequency. For the case of B−L, we find that LISA Pathfinder can constrain previously unexplored parameter space, providing the world leading limits in the mass range 4⋅10−19eV<m<3⋅10−17eV. This limit can easily be recast also for dark photons that arise from gauging other global symmetries of the SM.
Item Description:Online verfügbar 17 November 2023, Version des Artikels 21 November 2023
Gesehen am 08.03.2024
Physical Description:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2023.138328

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