Torsion-balance search for ultralow-mass bosonic dark matter

Shaw, E. A.; Ross, M. P.; Hagedorn, Charles; Adelberger, E. G.; Gundlach, Jens H.

doi:10.1103/physrevd.105.042007

Cited by 18 publications

(14 citation statements)

References 33 publications

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“…The team at UW pioneered a technology where the entire torsion balance instrument is placed on a continuouslyrotating turntable to achieve a sinusoidal signal modulation at about two cycles per hour, with the noise content of the torsion balance being limited by the KT-torque noise in the torsion fiber. These measurements set some of the strictest limits on equivalence principle violations and thereby competitive limits on scalar (e.g., Higgs-portal, or electron-mass coupled) and vector (e.g., B, L, and B-L coupled) UDM [451][452][453]. While the continuous rotation results in substantial noise improvement, systematic effects that can occur at the rotation frequency have to be well understood and ultimately dominate the uncertainty budget.…”

Section: E Torsion Balancesmentioning

confidence: 99%

“…Torsion-balance systems are also sensitive to time-varying UDM fields [13,453]. Here the signal arises purely from the bosonic field and the signal modulation arises naturally because the field strength oscillates, while the torsion balance apparatus remains stationary, i.e., the latter does not need to be rotated.…”

Section: E Torsion Balancesmentioning

confidence: 99%

“…Figure 13 includes preliminary limits on time-varying UDM B − L coupling, as well as limits derived from torsion-balance equivalence-principle tests [453] and from the Microscope satellite [454]. Torsion-balance experiments that are up to a factor of 10 more sensitive are in preparation at UW.…”

Section: E Torsion Balancesmentioning

confidence: 99%

“…(10). Current constraints: MICROSCOPE EP test [42,454], Eöt-Wash torsion balance EP tests [452], Eöt-Wash torsion balance DM search [453], LIGO's first observing run [447], combined constraints from the third observing run of LIGO and VIRGO [449]. Proposed experiments: MAGIS-100 and its upgrade [412], optomechanical membranes [478].…”

Section: Combined Exclusion Plots and Projections For Future Experimentsmentioning

confidence: 99%

“…search [453], LIGO's first observing run [447], and combined constraints from the third observing run of LIGO and VIRGO [449] are shown. The projected sensitivities of the MAGIS-100 experiment and its upgrade with improved LMT optics & high-flux atom cloud sources [412] and optomechanical membranes [478] are also shown.…”

Section: Eöt-washmentioning

confidence: 99%

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New Horizons: Scalar and Vector Ultralight Dark Matter

Antypas¹,

Banerjee²,

Bartram³

et al. 2022

Preprint

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The last decade has seen unprecedented effort in dark matter model building at all mass scales coupled with the design of numerous new detection strategies. Transformative advances in quantum technologies have led to a plethora of new high-precision quantum sensors and dark matter detection strategies for ultralight (< 10 eV) bosonic dark matter that can be described by an oscillating classical, largely coherent field. This white paper focuses on searches for wavelike scalar and vector dark matter candidates.

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Section: E Torsion Balancesmentioning

confidence: 99%

Section: E Torsion Balancesmentioning

confidence: 99%

Section: E Torsion Balancesmentioning

confidence: 99%

Section: Combined Exclusion Plots and Projections For Future Experimentsmentioning

confidence: 99%

Section: Eöt-washmentioning

confidence: 99%

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New Horizons: Scalar and Vector Ultralight Dark Matter

Antypas¹,

Banerjee²,

Bartram³

et al. 2022

Preprint

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Probing Poincaré violation

Gupta,

Jaeckel,

Spannowsky

2023

J. High Energ. Phys.

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Time and space translation invariance, giving rise to energy and momentum conservation, are not only amongst the most fundamental but also the most generally accepted symmetry assumptions in physics. It is nevertheless prudent to put such assumptions to experimental and observational tests. In this note, we take the first step in this direction, specifying a simple periodic time dependence that violates time translation invariance in QED, and setting phenomenological constraints on it. In addition to observational and experimental constraints on time varying couplings, we focus on probes of violation of energy conservation such as spontaneous production of photon and electron pairs and the e → eγ process. We discuss similarities and differences to the discussion of time varying fundamental constants and to the case of a light bosonic dark matter field that usually also causes oscillating effects.

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