Dark-matter electric and magnetic dipole moments

Sigurdson, Kris; Doran, Michael; Kurylov, Andriy; Caldwell, Robert R.; Kamionkowski, Marc

doi:10.1103/physrevd.70.083501

Cited by 282 publications

(281 citation statements)

References 57 publications

Supporting

Mentioning

276

Contrasting

Unclassified

Order By: Relevance

“…In these scenarios, complex DM with spin will generically acquire electro-magnetic dipole moments. These lead to very large direct detection (DD) signatures, and have already been studied by many authors [1][2][3][4][5][6].…”

Section: Motivationsmentioning

confidence: 99%

Direct detection of dark matter polarizability

Ovanesyan

Vecchi

2015

J. High Energ. Phys.

View full text Add to dashboard Cite

We point out that the direct detection of dark matter via its electro-magnetic polarizability is described by two new nuclear form factors, which are controlled by the 2-nucleon nuclear density. The signature manifests a peculiar dependence on the atomic and mass numbers of the target nuclei, as well as on the momentum transfer, and can differ significantly from experiment to experiment. We also discuss UV completions of our scenario.

show abstract

Section: Motivationsmentioning

confidence: 99%

Direct detection of dark matter polarizability

Ovanesyan

Vecchi

2015

J. High Energ. Phys.

View full text Add to dashboard Cite

show abstract

“…The result of Ref. [10], illustrated in Fig. 1, is that a Dirac particle with an electric or magnetic dipole moment of order ∼ 10 −17 e cm with a mass between an MeV and a few GeV can provide the dark matter while satisfying all experimental and observational constraints.…”

Section: Motivationmentioning

confidence: 99%

“…", and review several recent investigations that consider the physical and cosmological constraints to and effects of the electromagnetic interactions of the LDP and the next-to-lightest dark-matter particle (NLDP). In particular, in Section 2 we discuss the consequences of a neutral LDP with nonzero electric and/or magnetic dipole moments [10], and in Section 3 we discuss the cosmological effects of a charged NLDP which decays to a neutral LDP [11,12]. In this section we consider the possibility that the dark matter possesses an electric or magnetic dipole moment.…”

Section: Motivationmentioning

confidence: 99%

See 1 more Smart Citation

How Dark is ‘Dark’? Electromagnetic Interactions in the Dark Sector

Sigurdson

Dark Matter in Astro- And Particle Physics

Self Cite

View full text Add to dashboard Cite

Summary. We review the physical and cosmological consequences of two possible electromagnetic couplings to the dark sector: (i) a neutral lightest dark-matter particle (LDP) with nonzero electric and/or magnetic dipole moments and (ii) a charged next-to-lightest dark-matter particle (NLDP) which decays to a neutral LDP. For scenario (i) we find that a relatively light particle with mass between a few MeV and a few GeV and an electric or magnetic dipole as large as ∼ 3 × 10 −16 e cm (roughly 1.6×10 −5 µB) satisfies experimental and observational bounds. In scenario (ii), we show that charged-particles decaying in the early Universe result in a suppression of the small-scale matter power spectrum on scales that enter the horizon prior to decay. This leads to either a cutoff in the matter power spectrum, or if the charged fraction is less than unity, an effect in the power spectrum that might resemble a running (scale-dependent) spectral index in small-scale data. MotivationThe origin of the missing 'dark' matter in galaxies and clusters of galaxies has been an outstanding problem for over 70 years, since Zwicky's measurement of the masses of extragalactic systems [1]. Recent cosmological observations not only tell us how much dark matter exists but also that it must be nonbaryonic [2] -it is not one of the familiar elementary particles contained within the standard model of particle physics. Dark matter is a known unknown. We do not know what the underlying theory of dark matter is, what the detailed particle properties of it are, nor the particle spectrum of the dark sector.Promising candidates for the lightest dark-matter particle (LDP) -those that appear in minimal extensions of the standard model and are expected to have the required cosmological relic abundance -are a weakly-interacting massive particle (WIMP), such as the neutralino, the lightest mass eigenstate from the superposition of the supersymmetric partners of the U (1) and SU (2) neutral gauge bosons and of the neutral Higgs bosons [3], or the axion [4]. There is a significant theoretical literature on the properties and phenomenology of these particles, and there are ongoing experimental efforts to detect these particles.There has also been a substantial phenomenological effort toward placing model-independent limits on the possible interactions of the LDP. For instance, significant constraints have been made to dark-matter models with

show abstract

“…Although charged dark matter is strongly constrained [1], particles with magnetic and/or electric dipole moments [2], axions [3] and millicharged dark matter [4] are viable dark matter candidates. Another dark matter candidate that can couple to the electromagnetic field is mirror matter.…”

Section: Introductionmentioning

confidence: 99%

Detecting dark matter in electromagnetic field penetration experiments

Mitra

2006

Phys. Rev. D

View full text Add to dashboard Cite

Dark matter in the form of particles from a hidden mirror sector has recently been proposed as an explanation for the DAMA annual modulation signal. Here one assumes that there exists a small mixing between photons and mirror photons. We show that dark matter with this property can also be detected in electromagnetic field penetration experiments. Such experiments can be used to measure the speed and direction of the dark matter halo wind, the local density, the temperature, and the strength of the photon-mirror photon mixing interaction. An additional result would be a significant improvement of the upper limit on the photon mass.PACS numbers: 95.35.+d

show abstract

Dark-matter electric and magnetic dipole moments

Cited by 282 publications

References 57 publications

Direct detection of dark matter polarizability

Direct detection of dark matter polarizability

How Dark is ‘Dark’? Electromagnetic Interactions in the Dark Sector

Detecting dark matter in electromagnetic field penetration experiments

Contact Info

Product

Resources

About