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The scattering of solar neutrinos on electrons is sensitive to the neutrino magnetic moments through an interference of electromagnetic and weak amplitudes in the cross section. We show that future low-energy solar neutrino experiments with…

High Energy Physics - Phenomenology · Physics 2009-09-17 S. Pastor , J. Segura , V. B. Semikoz , J. W. F. Valle

A new method to study the effects of neutrino masses on a supernova neutrino signal is proposed. The method relies exclusively on the analysis of the full statistics of neutrino events, it is independent of astrophysical assumptions, and…

Astrophysics · Physics 2016-11-09 Enrico Nardi

Nontrivial electromagnetic properties of neutrinos are an avenue to physics beyond the Standard Model. To this end, we investigate the power of monophoton signals at neutrino experiments to probe a higher-dimensional operator connecting…

High Energy Physics - Phenomenology · Physics 2025-06-19 Julia Gehrlein , Ian M. Shoemaker , Anil Thapa

We present the limits on possible time variation of the electric charges of quarks and leptons at the time of primordial nucleosynthesis within a model with dequantized electric charges which allows for the case of charged neutrino and…

High Energy Physics - Phenomenology · Physics 2010-11-01 A. Yu. Ignatiev , G. C. Joshi

We propose a simple extension to the Standard Model, wherein neutrinos naturally attain small Majorana masses through a one-loop radiative mechanism featuring particles within the loops characterized by milli-charges. Unlike the…

High Energy Physics - Phenomenology · Physics 2025-02-07 Sudip Jana , Michael Klasen , Vishnu P. K. , Luca Paolo Wiggering

An experimental search for an electric-dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin (ILL), Grenoble. Spurious signals from magnetic-field fluctuations were reduced to insignificance by the use of a…

We have studied the constraints imposed by the results of neutrino oscillation experiments on the effective Majorana mass |<m>| that characterizes the contribution of Majorana neutrino masses to the matrix element of neutrinoless…

High Energy Physics - Phenomenology · Physics 2016-08-25 S. M. Bilenky , C. Giunti , C. W. Kim , M. Monteno

The continued interest in placing bounds on the neutron's Electric Dipole Moment (EDM) is due to the implications regarding the characteristics of the strong interaction and, in particular, its behavior under the CP symmetry. In this work,…

High Energy Physics - Phenomenology · Physics 2024-11-26 Octavio Guerrero , Libertad Barrón-Palos , Daniel Sudarsky

We investigate the potential of a flavor pure high gamma electron capture electron neutrino beam directed towards a large water cherenkov detector with 500 kt fiducial mass. The energy of the neutrinos is reconstructed by the position…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mark Rolinec , Joe Sato

In this work, we address the impact of a small lepton number violation on charged lepton electric dipole moments - EDMs. Low-scale seesaw models protected by lepton number symmetry and leading to pseudo-Dirac pairs in the neutrino heavy…

High Energy Physics - Phenomenology · Physics 2024-08-27 Asmaa Abada , Takashi Toma

In order to include massive neutrino theoretically, a new concept of the weak charges of the particles, fundamental fermions, intermediate bosons and hadrons, is introduced. A new conservation law of the weak charge is first reported.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Zhi-qiang Shi

We have obtained a new limit on the electron neutrino effective charge radius from a new evaluation of the weak mixing angle by a combined fit of all electron-(anti)neutrino electron elastic scattering measurements. Weak mixing angle is…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Barranco , O. G. Miranda , T. I. Rashba

In the quasielastic region, we investigate the effect of neutrino electromagnetic properties constrained from the recent experiments on the electroweak neutral current reaction process of the neutrino-$^{12}$C scattering. For a relativistic…

Nuclear Theory · Physics 2024-08-08 K. S. Kim , P. T. P. Hutauruk , Seung-il Nam , Chang Ho Hyun

In this paper, we calculate the size of a massive neutrino in the following approach. We perform our calculation using its mass, spin, and magnetic moment through the neutrino-electron interaction, $via$ the classical magnetic dipole-dipole…

High Energy Physics - Phenomenology · Physics 2019-09-12 E. Sadurní , A. Rosado , S. Rosado-Navarro

There are three parameter degeneracies inherent in the three--neutrino analysis of long--baseline neutrino experiments. We develop a systematic method for determining whether or not a set of measurements in neutrino oscillation appearance…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Barger , D. Marfatia , K. Whisnant

Majorana neutrino electromagnetic properties are studied through neutral current coherent neutrino-nucleus scattering. We focus on the potential of the recently planned COHERENT experiment at the Spallation Neutron Source to probe…

High Energy Physics - Phenomenology · Physics 2015-07-29 T. S. Kosmas , O. G. Miranda , D. K. Papoulias , M. Tortola , J. W. F. Valle

The multi-ton-scale liquid xenon detectors, with an excellent energy resolution of a few keV, will be constructed to probe the dark-matter particles. In this paper, we show that precision measurements of the low-energy solar neutrinos via…

High Energy Physics - Phenomenology · Physics 2019-02-15 Guo-yuan Huang , Shun Zhou

The atomic ionization processes induced by scattering of neutrinos play key roles in the experimental searches for a neutrino magnetic moment. Current experiments with reactor (anti)neutrinos employ germanium detectors having energy…

High Energy Physics - Phenomenology · Physics 2015-05-28 K. A. Kouzakov , A. I. Studenikin , M. B. Voloshin

We suggest that the presence of a quantum gravity induced minimal length can be explored using neutrino oscillation probabilities. Neutrinos seem ideally suited for this investigation because they can propagate freely over large distances…

High Energy Physics - Phenomenology · Physics 2011-11-21 Martin Sprenger , Piero Nicolini , Marcus Bleicher

We analyse the possible role of new interactions of neutrino in the forthcoming tritium beta decay experiment KATRIN aimed at detecting the neutrino mass with the sensitivity of 0.3 - 0.2 eV. It is shown that under certain circumstances the…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Yu. Ignatiev , B. H. J. McKellar