Coherent neutrino-nucleus scattering and new neutrino interactions

Lindner, M.; Rodejohann, Werner; Xu, Xun-Jie

doi:10.1007/jhep03(2017)097

Cited by 177 publications

(213 citation statements)

References 50 publications

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“…at a distance of ∼15 m from the core, would give the unique possibility for precision measurements of the CNNS cross-section and probe, e.g. the Weinberg angle at low momentum transfers [10]. Furthermore, since a discovery of CNNS is possible within a day, this technology can be used for real-time monitoring of nuclear reactors.…”

Section: Discussionmentioning

confidence: 99%

“…Together with knowledge on electroweak precision observables (e.g. from LEP), this allows one to probe the running of the Weinberg mixing angle [10] which is precisely predicted in the standard model [12]. This collective measurement has sensitivity to BSM contributions well above the LHC scale.…”

Section: Introductionmentioning

confidence: 97%

“…(2) A manageable scaling of the total target mass to the still moderate range of 1-10 kg opens up a new window for precision tests of neutrino properties and interactions beyond the standard model. A recent summary of CNNS sensitivity to BSM neutrino physics is given in [10], including the following potential observations.…”

Section: Introductionmentioning

confidence: 99%

“…-The neutrino-quark sector of neutrino Non-Standard Interactions [13,14], i.e. modified V-A quark-neutrino couplings, may measurably modify the CNNS crosssection [10]. -Exotic Neutral Currents [10], i.e.…”

Section: Introductionmentioning

confidence: 99%

“…modified V-A quark-neutrino couplings, may measurably modify the CNNS crosssection [10]. -Exotic Neutral Currents [10], i.e. general (pseudo-)scalar, (axial-)vector or tensor couplings can induce modifications in the CNNS cross section and energy spectrum.…”

Section: Introductionmentioning

confidence: 99%

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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: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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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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Extra dimensions with light and heavy neutral leptons: an application to CEνNS

Khan

2023

J. High Energ. Phys.

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We explore the possibility of relating extra dimensions with light and heavy Dirac-type neutral leptons and develop a framework for testing them in various laboratory experiments. The Kaluza-Klein modes in the large extra dimension models of the light neutral leptons could mix with the standard model neutrinos and produce observable effects in the oscillation experiments. We show that the chirality flipping up-scattering processes occurring through either neutrino magnetic dipole moment or the weakly coupled scalar interactions can also produce heavy Kaluza-Klein modes of the corresponding right-handed neutral leptons propagating in one or more extra dimensions. However, to conserve the four- dimensional energy-momentum, their masses must be below the maximum energy of the neutrinos in the initial state. The appreciable size of extra dimensions connected with these heavy neutral leptons can thus affect the cross-sections of these processes. This framework applies to any up-scattering process. Our work here focuses only on its application to the coherent elastic neutrino-nucleus scattering process. We derive constraints on the size of extra dimensions using the COHERENT data in oscillation and up-scattering processes. For model with one large extra dimension for the light neutral leptons, we obtain the limits, R ~ 3 μm (NH) and R ~ 2.5 μm (IH), on the size of extra dimension corresponding to the absolute mass limit, m0 ≤ 3 × 10−3 eV at 90% C.L. from the short-baseline oscillations. Using the up-scattering process for heavy neutral leptons, we obtain new parameter spaces between the size of extra dimensions and parameters of the dipole or scalar interactions.

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Flavor-dependent radiative corrections in coherent elastic neutrino-nucleus scattering

Tomalak

Machado

Pandey

et al. 2021

J. High Energ. Phys.

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We calculate coherent elastic neutrino-nucleus scattering cross sections on spin-0 nuclei (e.g. 40Ar and 28Si) at energies below 100 MeV within the Standard Model and account for all effects of permille size. We provide a complete error budget including uncertainties at nuclear, nucleon, hadronic, and quark levels separately as well as perturbative error. Our calculation starts from the four-fermion effective field theory to explicitly separate heavy-particle mediated corrections (which are absorbed by Wilson coefficients) from light-particle contributions. Electrons and muons running in loops introduce a non- trivial dependence on the momentum transfer due to their relatively light masses. These same loops, and those mediated by tau leptons, break the flavor universality because of mass-dependent electromagnetic radiative corrections. Nuclear physics uncertainties significantly cancel in flavor asymmetries resulting in subpercent relative errors. We find that for low neutrino energies, the cross section can be predicted with a relative precision that is competitive with neutrino-electron scattering. We highlight potentially useful applications of such a precise cross section prediction ranging from precision tests of the Standard Model, to searches for new physics and to the monitoring of nuclear reactors.

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Coherent neutrino-nucleus scattering and new neutrino interactions

Cited by 177 publications

References 50 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

Extra dimensions with light and heavy neutral leptons: an application to CEνNS

Flavor-dependent radiative corrections in coherent elastic neutrino-nucleus scattering

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