COHERENT search strategy for beyond standard model neutrino interactions

Shoemaker, Ian M.

doi:10.1103/physrevd.95.115028

Cited by 42 publications

(32 citation statements)

References 55 publications

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“…For example, alterations are expected at high recoil energies of neutrino-induced interactions at direct DM detection searches [39] which on the other hand may be limited by the current uncertainties of the Atmospheric and DSNB neutrinos. Models involving light mediators are well testable at CEνNS searches and may offer a key solution to LMA-Dark [151,159] as well as implications to DM searches [28,133] and to the neutrino floor [40]. In the same spirit, combined analyses of oscillation and CEνNS data [15,18] concluded that the LMA-D solution is excluded at 3.1σ (3.6σ) for NSI with up (down) quarks.…”

Section: Connection Of Ceνns With Dark Matter Clfv Processes Andmentioning

confidence: 96%

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Recent Probes of Standard and Non-standard Neutrino Physics With Nuclei

2019

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We review standard and non-standard neutrino physics probes that are based on nuclear measurements. We pay special attention on the discussion of prospects to extract new physics at prominent rare event measurements looking for neutrino-nucleus scattering, such as the coherent elastic neutrino-nucleus scattering (CEνNS) that may involve lepton flavor violation (LFV) in neutralcurrents (NC). For the latter processes several appreciably sensitive experiments are currently pursued or have been planed to operate in the near future, like the COHERENT, CONUS, CONNIE, MINER, TEXONO, RED100, vGEN, Ricochet, NUCLEUS etc. We provide a thorough discussion on phenomenological and theoretical studies, in particular those referring to the nuclear physics aspects in order to provide accurate predictions for the relevant experiments. Motivated by the recent discovery of CEνNS at the COHERENT experiment and the active experimental efforts for a new measurement at reactor-based experiments, we summarize the current status of the constraints as well as the future sensitivities on nuclear and electroweak physics parameters, non-standard interactions, electromagnetic neutrino properties, sterile neutrinos and simplified scenarios with novel vector Z or scalar φ mediators. Indirect and direct connections of CEνNS with astrophysics, direct Dark Matter detection and charge lepton flavor violating processes are also discussed.

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Section: Connection Of Ceνns With Dark Matter Clfv Processes Andmentioning

confidence: 96%

“…and is adopted by the COHERENT Collaboration, while in this case root mean square (rms) radius reads 133 Cs that are of interest for COHERENT, evaluated with the DSM method (not covered here), with those of the Helm, SF and KN parametrizations, is given in Ref. [36].…”

Section: Ii) Fractional Occupation Probabilities (Fop) In a Simple Shmentioning

confidence: 99%

Recent Probes of Standard and Non-standard Neutrino Physics With Nuclei

2019

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“…We now turn our attention to frameworks beyond the SM and consider U(1) models in the presence of new mediator fields that may explain existing anomalies in B-meson decays at the LHCb experiment [69], and could also lead to the LMA-Dark solution [12,14]. While such contexts have been applied to DM searches, they may also be accessible at current and future neutrino experiments [37,39]. In fact, given the lack of an experimentally discovered signal of DM, the recent observation of CEνNS by the COHERENT experiment offers promising prospects to probe such scenarios and, moreover, to provide new insights concerning the neutrino floor at directdetection DM experiments [15].…”

Section: Vector Z and Scalar φ Mediatorsmentioning

confidence: 99%

COHERENT constraints to conventional and exotic neutrino physics

2018

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The process of neutral-current coherent elastic neutrino-nucleus scattering, consistent with the Standard Model (SM) expectation, has been recently measured by the COHERENT experiment at the Spallation Neutron Source. On the basis of the observed signal and our nuclear calculations for the relevant Cs and I isotopes, the extracted constraints on both conventional and exotic neutrino physics are updated. The present study concentrates on various SM extensions involving vector and tensor nonstandard interactions as well as neutrino electromagnetic properties, with an emphasis on the neutrino magnetic moment and the neutrino charge radius. Furthermore, models addressing a light sterile neutrino state and scenarios with new propagator fields-such as vector Z and scalar bosons-are examined, and the corresponding regions excluded by the COHERENT experiment are presented. * dimpap@cc.uoi.gr † hkosmas@uoi.gr

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“…We now explore novel mediator fields that could be accommodated in the context of simplified U (1) scenarios [59,60] predicting the existence of a new Z vector mediator with mass M Z [61]. Such beyond the SM interactions may constitute a new neutrino-floor at direct detection dark matter experiments [39].…”

Section: Novel Mediator Contributionmentioning

confidence: 99%

Novel Neutrino-Floor and Dark Matter Searches with Deformed Shell Model Calculations

Papoulias

Sahu

Kosmas

et al. 2018

Advances in High Energy Physics

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Event detection rates for WIMP-nucleus interactions are calculated for 71 Ga, 73 Ge, 75 As and 127 I (direct dark matter detectors). The nuclear structure form factors, that are rather independent of the underlying beyond the Standard Model particle physics scenario assumed, are evaluated within the context of the deformed nuclear shell model (DSM) based on Hartree-Fock nuclear states. Along with the previously published DSM results for 73 Ge, the neutrino-floor due to coherent elastic neutrino-nucleus scattering (CEνNS), an important source of background to dark matter searches, is extensively calculated. The impact of new contributions to CEνNS due to neutrino magnetic moments and Z mediators at direct dark matter detection experiments is also examined and discussed. The results show that the neutrino-floor constitutes a crucial source of background events for multi-ton scale detectors with sub-keV capabilities.

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COHERENT search strategy for beyond standard model neutrino interactions

Cited by 42 publications

References 55 publications

Recent Probes of Standard and Non-standard Neutrino Physics With Nuclei

Recent Probes of Standard and Non-standard Neutrino Physics With Nuclei

COHERENT constraints to conventional and exotic neutrino physics

Novel Neutrino-Floor and Dark Matter Searches with Deformed Shell Model Calculations

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