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The mechanism of beta decay in nature is not understood yet. Mirrored energy spectra of electron and antineutrino can clarify the situation. A special experiment is needed to measure antineutrino spectrum from known beta-decaying isotope to…

High Energy Physics - Phenomenology · Physics 2021-02-26 S. V. Silaeva , V. V. Sinev

The scattering rate of multi-${\rm TeV}$ and ${\rm PeV}$ energy neutrinos is fast becoming an interesting topic in (astro)particle-physics. This is due to experimental progress at Neutrino Telescopes such as IceCube which have begun to gain…

High Energy Physics - Phenomenology · Physics 2020-04-28 Rhorry Gauld

Short distance reactor antineutrino experiments measure an antineutrino spectrum a few percent lower than expected from theoretical predictions. In this work we study the potential of low energy threshold reactor experiments in the context…

High Energy Physics - Phenomenology · Physics 2019-08-20 B. C. Cañas , E. A. Garcés , O. G. Miranda , A. Parada

The shape of the beta decay energy distribution is sensitive to the mass of the electron neutrino. Attempts to measure the endpoint shape of tritium decay have so far seen no distortion from the zero-mass form, thus placing an upper limit…

Nuclear Experiment · Physics 2009-09-24 Benjamin Monreal , Joseph A. Formaggio

The theory of scattering of low energy neutrinos and antineutrinos by atomic electrons has recently been developed (I. B. Whittingham, Phys. Rev. D 105, 013008 (2022)) using the Bound Interaction Picture in configuration space to fully…

High Energy Physics - Phenomenology · Physics 2022-12-21 Ian B Whittingham

The Precision Reactor Oscillation and Spectrum Experiment, PROSPECT, is designed to make both a precise measurement of the antineutrino spectrum from a highly-enriched uranium reactor and to probe eV-scale sterile neutrinos by searching for…

We describe a beta electron spectrometer for use in an upcoming experiment that will measure the beta-antineutrino correlation coefficient (a-coefficient) in neutron beta decay. Electron energy is measured by a thick plastic scintillator…

New physics contributions to the (anti)neutrino-nucleon elastic scattering process can be constrained by precision measurements, with controlled Standard Model uncertainties. In a large class of new physics models, interactions involving…

High Energy Physics - Phenomenology · Physics 2024-05-24 Oleksandr Tomalak , Minerba Betancourt , Kaushik Borah , Richard J. Hill , Thomas Junk

The nuclear cross sections for charged lepton production induced by $\beta$ beam neutrinos (anti-neutrinos) in $^{16}$O have been presented at intermediate energies corresponding to the Lorentz boost factor $\gamma<250 (150)$. The…

Nuclear Theory · Physics 2008-11-26 S. K. Singh , M. Sajjad Athar , Shakeb Ahmad

The ultrahigh energy neutrino cross section is well understood in the standard model for neutrino energies up to 10$^{12}$ GeV. Test of neutrino oscillations ($\nu_\mu\leftrightarrow\nu_\tau$) from extragalactic sources of neutrinos are…

High Energy Physics - Phenomenology · Physics 2016-12-21 Sharada Iyer Dutta , Mary Hall Reno , Ina Sarcevic

We discuss a possibility that the so-called reactor antineutrino anomaly can be, at least in part, explained by applying a quantum field-theoretical approach to neutrino oscillations, which in particular predicts a small deviation from the…

High Energy Physics - Phenomenology · Physics 2017-02-17 D. V. Naumov , V. A. Naumov , D. S. Shkirmanov

We explore how well reactor antineutrino experiments can constrain or measure the loss of quantum coherence in neutrino oscillations. We assume that decoherence effects are encoded in the size of the neutrino wave-packet, $\sigma$. We find…

High Energy Physics - Phenomenology · Physics 2020-08-24 André de Gouvêa , Valentina De Romeri , Christoph A. Ternes

We frame beta-minus decay rate perturbations in the context of charged-current (CC) nonstandard neutrino interactions (NSI). In particular, we first outline one NSI parameterization for modeling the CC NSI. Then, we demonstrate that the…

High Energy Physics - Phenomenology · Physics 2020-07-16 Andrew D. Santos

This paper presents experimental requirements to determine the neutrino mass hierarchy using reactor neutrinos. The detector shall be located at a baseline around 58 km from the reactor(s) to measure the energy spectrum of electron…

High Energy Physics - Experiment · Physics 2009-11-06 Liang Zhan , Yifang Wang , Jun Cao , Liangjian Wen

Applying TQRPA calculations of Gamow--Teller strength functions in hot nuclei, we compute the (anti)neutrino spectra and energy loss rates arising from weak processes on hot $^{56}$Fe under pre-supernova conditions. We use a realistic…

Nuclear Theory · Physics 2023-06-29 Alan A. Dzhioev , A. V. Yudin , N. V. Dunina-Barkovskaya , A. I. Vdovin

Motivated by the indications of a possible deficit of muon tracks in the first three-year equivalent dataset of IceCube we investigate the possibility that the astrophysical (anti)neutrino flux (in the PeV energy range) could originate from…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Luis A. Anchordoqui

The PROSPECT-I detector has several features that enable measurement of the direction of a compact neutrino source. In this paper, a detailed report on the directional measurements made on electron antineutrinos emitted from the High Flux…

J.M. Herndon in 90-s proposed a natural nuclear fission georeactor at the center of the Earth with a power output of 3-10 TW as an energy source to sustain the Earth magnetic field. R.S. Raghavan in 2002 y. pointed out that under certain…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Domogatski , V. Kopeikin , L. Mikaelyan , V. Sinev

Antineutrinos from nuclear reactors have the potential to be used for reactor monitoring in the mid- to far-field under certain conditions. Antineutrinos are an unshieldable signal and carry information about the reactor core and the…

Instrumentation and Detectors · Physics 2024-10-02 Steve T. Wilson , Chris Cotsford , James Armitage , Niamh Holland , Matthew Malek , John. G. Learned

We study neutral current neutrino-nucleus reaction cross-sections for Mn, Fe, Co and Ni isotopes. An earlier study for a few selected nuclei has shown that in the supernova environment the cross sections are increased for low energy…

Nuclear Theory · Physics 2009-11-10 A. Juodagalvis , K. Langanke , G. Martinez-Pinedo , W. R. Hix , D. J. Dean , J. M. Sampaio