Neutrino Magnetic Moments

Wong, H. T.; Li, Hau-Bin

doi:10.1142/s0217732305017482

Cited by 65 publications

(63 citation statements)

References 15 publications

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“…-The possibility of observing active-to-sterile neutrino oscillations using CNNS is discussed in [15]. -For very low-energy thresholds, the magnetic moment of the neutrino (causing enhanced low-energy scattering with spin exchange) can be probed beyond current limits from neutrino-electron scattering [16].…”

Section: Introductionmentioning

confidence: 99%

The $$\nu $$ ν -cleus experiment: a gram-scale fiducial-volume cryogenic detector for the first detection of coherent neutrino–nucleus scattering

et al. 2017

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We discuss a small-scale experiment, called ν-cleus, for the first detection of coherent neutrino-nucleus scattering by probing nuclear-recoil energies down to the 10 eV regime. The detector consists of low-threshold CaWO 4 and Al 2 O 3 calorimeter arrays with a total mass of about 10 g and several cryogenic veto detectors operated at millikelvin temperatures. Realizing a fiducial volume and a multi-element target, the detector enables active discrimination of γ , neutron and surface backgrounds. A first prototype Al 2 O 3 device, operated above ground in a setup without shielding, has achieved an energy threshold of ∼20 eV and further improvements are in reach. A sensitivity study for the detection of coherent neutrino scattering at nuclear power plants shows a unique discovery potential (5σ ) within a measuring time of 2 weeks. Furthermore, a site at a thermal research reactor and the use of a radioactive neutrino source are investigated. With this technology, real-time monitoring of nuclear power plants is feasible.

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Section: Introductionmentioning

confidence: 99%

The $$\nu $$ ν -cleus experiment: a gram-scale fiducial-volume cryogenic detector for the first detection of coherent neutrino–nucleus scattering

et al. 2017

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“…For some of these experimental proposals there have already been discussions about their perspectives for constraining non-standard neutrino interactions [3,7] or a non-zero neutrino magnetic moment [3,8,9,10]. In this work we introduce a new comparative analysis between different low energy experiments, focusing on three different types of new physics phenomenology, namely extra neutral gauge bosons, leptoquarks and R-parity breaking Supersymmetry.…”

Section: Introductionmentioning

confidence: 99%

Sensitivity of low energy neutrino experiments to physics beyond the standard model

2007

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We study the sensitivity of future low energy neutrino experiments to extra neutral gauge bosons, leptoquarks and R-parity breaking interactions. We focus on future proposals to measure coherent neutrino-nuclei scattering and neutrino-electron elastic scattering. We introduce a new comparative analysis between these experiments and show that in different types of new physics it is possible to obtain competitive bounds to those of present and future collider experiments. For the cases of leptoquarks and R-parity breaking interactions we found that the expected sensitivity for most of the future low energy experimental setups is better than the current constraints.

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“…Constraints on energy loss from astrophysical objects via the decay of plasmons into νν pairs restricts the neutrino magnetic moment to be µ ν < 3 × 10 −12 [4]. Neutrino magnetic moments are reviewed in [5,6,7], and recent work can be found in [8,9].…”

Section: Introductionmentioning

confidence: 99%

Model independent bounds on magnetic moments of Majorana neutrinos

et al. 2006

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We analyze the implications of neutrino masses for the magnitude of neutrino magnetic moments. By considering electroweak radiative corrections to the neutrino mass, we derive model-independent naturalness upper bounds on neutrino magnetic moments, µν , generated by physics above the electroweak scale. For Dirac neutrinos, the bound is several orders of magnitude more stringent than present experimental limits. However, for Majorana neutrinos the magnetic moment contribution to the mass is Yukawa suppressed. The bounds we derive for magnetic moments of Majorana neutrinos are weaker than present experimental limits if µν is generated by new physics at ∼ 1 TeV, and surpass current experimental sensitivity only for new physics scales > 10 -100 TeV. The discovery of a neutrino magnetic moment near present limits would thus signify that neutrinos are Majorana particles.

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Neutrino Magnetic Moments

Cited by 65 publications

References 15 publications

The $$\nu $$ ν -cleus experiment: a gram-scale fiducial-volume cryogenic detector for the first detection of coherent neutrino–nucleus scattering

The $$\nu $$ ν -cleus experiment: a gram-scale fiducial-volume cryogenic detector for the first detection of coherent neutrino–nucleus scattering

Sensitivity of low energy neutrino experiments to physics beyond the standard model

Model independent bounds on magnetic moments of Majorana neutrinos

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