2022
DOI: 10.48550/arxiv.2207.11968
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Search for dark matter particle interactions with electron final states with DarkSide-50

P. Agnes,
I. F. M. Albuquerque,
T. Alexander
et al.

Abstract: We present a search for dark matter particles with sub-GeV/c 2 masses whose interactions have final state electrons using the DarkSide-50 experiment's (12 306 ± 184) kg d low-radioactivity liquid argon exposure. By analyzing the ionization signals, we exclude new parameter space for the dark matter-electron cross section σe, the axioelectric coupling constant gAe, and the dark photon kinetic mixing parameter κ. We also set the first dark matter direct-detection constraints on the mixing angle |Ue4| 2 for keV s… Show more

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Cited by 5 publications
(6 citation statements)
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References 41 publications
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“…The reason for this can be understood from Figs. 3 and 4, where we see that the BBDM flux for DM energies relevant to recoil Bin 3 of Super-K differs by ∼ O (10) for the two operators, The direct detection bounds from Xenon10, Xenon100, SENSEI [53][54][55] and DarkSide-50 [56] are also plotted. The bound arising due to DM attenuation is also given for heavy mediator scenario (plotted in grey).…”
Section: B Vector Mediatormentioning
confidence: 99%
See 1 more Smart Citation
“…The reason for this can be understood from Figs. 3 and 4, where we see that the BBDM flux for DM energies relevant to recoil Bin 3 of Super-K differs by ∼ O (10) for the two operators, The direct detection bounds from Xenon10, Xenon100, SENSEI [53][54][55] and DarkSide-50 [56] are also plotted. The bound arising due to DM attenuation is also given for heavy mediator scenario (plotted in grey).…”
Section: B Vector Mediatormentioning
confidence: 99%
“…The various DM density profiles considered are Profile 1 (in red) and Profile 2 (in blue). The direct detection bounds from Xenon10, Xenon100, SENSEI [53][54][55] and DarkSide-50 [56] are also plotted. The bound arising due to DM attenuation is also given for heavy mediator scenario (plotted in grey).…”
Section: B Vector Mediatormentioning
confidence: 99%
“…This indicates that a sub-GeV DM can ionize an electron from an atomic shell or facilitate an electron's transition from the valance band to the conduction band. Many experiments like XENON [63], SuperCDMS [64], DarkSide-50 [65,66], DAMIC [67], EDELWEISS [68], SENSEI [69,70], PandaX-II [71] etc. are searching for the signatures of such a phenomenon.…”
Section: Jhep02(2023)200mentioning
confidence: 99%
“…Only the least (BM3, BM3 ) and most restrictive (BM1, BM1 ) new limits are shown. The ν-DM scattering bounds are the same as those in the left panel, while for e-DM scattering they are labelled with and are: (slate blue) solar reflection [75], (brown) Super-K for DM boosted by cosmic-ray electrons, (turquoise) blazar BL Lacertae for BM3 model [40], (gray) direct detection for light DM interacting with electrons [76][77][78][79].…”
Section: Constraints On Neutrino-dark Matter Scatteringmentioning
confidence: 99%