Light dark matter: Models and constraints

Knapen, Simon; Lin, Tongyan; Zurek, Kathryn M.

doi:10.1103/physrevd.96.115021

Cited by 357 publications

(459 citation statements)

References 248 publications

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“…This theoretical activity has motivated both new direct detection experiments for sub-GeV DM [10][11][12][13][14][15][16][17][18][19][20], and new searches with existing experiments [21][22][23][24][25][26]. The major obstacle faced by low mass searches is that the energy deposited in a detector by sub-GeV DM is small.…”

Section: Introductionmentioning

confidence: 99%

New constraints and discovery potential of sub-GeV dark matter with xenon detectors

McCabe

2017

Phys. Rev. D

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Existing xenon dark matter (DM) direct detection experiments can probe the DM-nucleon interaction of DM with a sub-GeV mass through a search for photon emission from the recoiling xenon atom. We show that LUX's constraints on sub-GeV DM, which utilise the scintillation (S1) and ionisation (S2) signals, are approximately three orders of magnitude more stringent than previous xenon constraints in this mass range, derived from the XENON10 and XENON100 S2-only searches. The new LUX constraints provide the most stringent direct detection constraints for DM particles with a mass below 0.5 GeV. In addition, the photon emission signal in LUX and its successor LZ maintain the discrimination between background and signal events so that an unambiguous discovery of sub-GeV DM is possible. We show that LZ has the potential to reconstruct the DM mass with 20% accuracy for particles lighter than 0.5 GeV.

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Section: Introductionmentioning

confidence: 99%

New constraints and discovery potential of sub-GeV dark matter with xenon detectors

McCabe

2017

Phys. Rev. D

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“…For example, limits on hidden photons from supernovae constraining very low couplings have been discussed in a number of papers [27,[117][118][119][120][121][122] 9 (mostly for the secluded case 10 ). However, there seem to be significant differences in the results and corresponding uncertainties in the limits.…”

Section: White Dwarf Coolingmentioning

confidence: 99%

“…10 A limit for B-L has been given in [122] but in the region of interest to us it is based on the hidden photon limit.…”

Section: White Dwarf Coolingmentioning

confidence: 99%

Hunting all the hidden photons

Bauer¹,

Foldenauer²,

Jaeckel³

2018

J. High Energ. Phys.

362

450

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We explore constraints on gauge bosons of a weakly coupled U(1) B−L , U(1) Lµ−Le , U(1) Le−Lτ and U(1) Lµ−Lτ . To do so we apply the full constraining power of experimental bounds derived for a hidden photon of a secluded U(1) X and translate them to the considered gauge groups. In contrast to the secluded hidden photon that acquires universal couplings to charged Standard Model particles through kinetic mixing with the photon, for these gauge groups the couplings to the different Standard Model particles can vary widely. We take finite, computable loop-induced kinetic mixing effects into account, which provide additional sensitivity in a range of experiments. In addition, we collect and extend limits from neutrino experiments as well as astrophysical and cosmological observations and include new constraints from white dwarf cooling. We discuss the reach of future experiments in searching for these gauge bosons.

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“…9 There are two distinct scenarios here: the heavy dark photon case (m V |q|) and the light dark photon one (m V |q|). In the former we find that the best sensitivity one can achieve is (12) which is already largely excluded by the existing stellar and accelerator constraints -see e.g. [70].…”

Section: Projections and Comparison With Existing Boundsmentioning

confidence: 89%

Dark matter, dark photon and superfluid He-4 from effective field theory

et al. 2020

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We consider a model of sub-GeV dark matter whose interaction with the Standard Model is mediated by a new vector boson (the dark photon) which couples kinetically to the photon. We describe the possibility of constraining such a model using a superfluid He-4 detector, by means of an effective theory for the description of the superfluid phonon. We find that such a detector could provide bounds that are competitive with other direct detection experiments only for ultralight vector mediator, in agreement with previous studies. As a byproduct we also present, for the first time, the low-energy effective field theory for the interaction between photons and phonons.

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Light dark matter: Models and constraints

Cited by 357 publications

References 248 publications

New constraints and discovery potential of sub-GeV dark matter with xenon detectors

New constraints and discovery potential of sub-GeV dark matter with xenon detectors

Hunting all the hidden photons

Dark matter, dark photon and superfluid He-4 from effective field theory

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