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New limits on the weak mixing angle and on the electron neutrino effective charge radius in the low energy regime, below 100 MeV, are obtained from a combined fit of all electron-(anti)neutrino electron elastic scattering measurements. We…

High Energy Physics - Phenomenology · Physics 2009-04-17 J. Barranco , O. G. Miranda , T. I. Rashba

We propose to extract the value of the effective neutrino charge radius from the coherent scattering of a neutrino against a heavy nucleus. In such an experiment the relevant quantity to measure is the kinetic energy distribution of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Joannis Papavassiliou , Jose Bernabeu , Massimo Passera

Taking into account recent theoretical and experimental inputs on reactor fluxes we reconsider the determination of the weak mixing angle from low energy experiments. We perform a global analysis to all available neutrino-electron…

High Energy Physics - Phenomenology · Physics 2016-09-07 B. C. Canas , E. A. Garces , O. G. Miranda , M. Tortola , J. W. F. Valle

The weak mixing angle is a fundamental parameter of the electroweak theory of the standard model whose measurement in the low-energy regime is still not precisely determined. Different probes are sensitive to its value, among which atomic…

High Energy Physics - Phenomenology · Physics 2024-08-20 M. Atzori Corona , M. Cadeddu , N. Cargioli , F. Dordei , C. Giunti

We report a precise measurement of the weak mixing angle from the ratio of neutral current to charged current inclusive cross-sections in deep-inelastic neutrino-nucleon scattering. The data were gathered at the CCFR neutrino detector in…

High Energy Physics - Experiment · Physics 2009-09-25 C. G. Arroyo

Studies on electron antineutrino-electron elastic scattering were performed using a 200-kg CsI(Tl) scintillating crystal detector array at the Kuo-Sheng Nuclear Power Plant in Taiwan. The measured cross section of R(exp) = [1.00 +-…

High Energy Physics - Experiment · Physics 2019-08-13 M. Deniz , H. T. Wong

We report new values of weak-mixing angle ($\sin ^{2}\theta _{W}$)$,$ neutrino effective magnetic moment and the charge radius using the lowest-energy (to-date) solar neutrino data of pp, $^{7}$Be and pep spectra from phase-I and phase-II…

High Energy Physics - Phenomenology · Physics 2019-02-19 Amir N. Khan

Upcoming and present reactor neutrino experiments represent an appealing tool to probe fundamental properties in the neutrino sector. In this paper, we study the physics potential to determine the electromagnetic properties of neutrinos via…

High Energy Physics - Phenomenology · Physics 2026-03-23 Guo-Fu Cao , Xin Chen , Luis A. Delgadillo , Maxim Gonchar , Yu-Feng Li , Vitalii Zavadskyi

The determination of the weak mixing angle, $\sin^2\theta_W$, at low momentum transfers remains a powerful test of the Standard Model and its potential new physics extensions. In this paper, we explore some physics opportunities at present…

High Energy Physics - Phenomenology · Physics 2026-02-26 Luis A. Delgadillo , Qishan Liu , Randhir Singh

We study the possibility to measure sin^2 theta_W by neutrino-electron scattering at a value of the momentum transfer Q ~ 30 MeV with a precision of 0.24% which is only a factor three below the one obtained by LEP-I at the Z-pole. The…

High Energy Physics - Phenomenology · Physics 2011-08-29 Sanjib Kumar Agarwalla , Patrick Huber

We present a feasibility study of a simultaneous sub-percent extraction of the weak charge and the weak radius of the ${}^{12}$C nucleus using parity-violating electron scattering, based on a largely model-independent assessment of the…

Coherent elastic neutrino-nucleus scattering is a powerful probe of neutrino properties, in particular of the neutrino charge radii. We present the bounds on the neutrino charge radii obtained from the analysis of the data of the COHERENT…

High Energy Physics - Phenomenology · Physics 2020-02-27 M. Cadeddu , C. Giunti , K. A. Kouzakov , Y. F. Li , A. I. Studenikin , Y. Y. Zhang

After the first measurement of the coherent elastic neutrino nucleus scattering (CENNS) by the COHERENT Collaboration, it is expected that new experiments will confirm the observation. Such measurements will allow to put stronger…

High Energy Physics - Phenomenology · Physics 2018-08-01 B. C. Cañas , E. A. Garcés , O. G. Miranda , A. Parada

We consider possible effects of neutrino electric charge (millicharge) and charge radius on the neutrino-atom interaction processes such as (i) atomic ionization by neutrino impact and (ii) coherent elastic neutrino-nucleus scattering. The…

High Energy Physics - Phenomenology · Physics 2020-01-09 Matteo Cadeddu , Carlo Giunti , Konstantin A. Kouzakov , Yufeng Li , Alexander I. Studenikin , Yiyu Zhang

In several extensions of the Standard Model of Particle Physics (SMPP), the neutrinos acquire electromagnetic properties such as the electric millicharge. Theoretical and experimental bounds have been reported in the literature for this…

High Energy Physics - Phenomenology · Physics 2020-10-29 A. Parada

It is shown that the probe-independent charge radius of the neutrino is a physical observable; as such, it may be extracted from experiment, at least in principle. This is accomplished by expressing a set of experimental neutrino-electron…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Bernabeu , J. Papavassiliou , J. Vidal

The weak mixing angle $\theta_W$ is a fundamental parameter in the electroweak theory with a value running according to the energy scale, and its precision measurement in the low-energy regime is still ongoing. We propose a method to…

High Energy Physics - Phenomenology · Physics 2025-11-10 Chun-Ming Yip , Xu-Run Huang , Ming-chung Chu , Qishan Liu

It is shown that at one-loop order a neutrino charge radius (NCR) may be defined, which is ultraviolet finite, does not depend on the gauge-fixing parameter, nor on properties of the target other than its electric charge. This is…

High Energy Physics - Phenomenology · Physics 2011-09-13 J. Papavassiliou , J. Bernabeu , D. Binosi , J. Vidal

The nuclear root-mean-square charge radius of $^{54}$Ni was determined with collinear laser spectroscopy to be $R(^{54}$Ni) = 3.737\,(3)~fm. In conjunction with the known radius of the mirror nucleus $^{54}$Fe, the difference of the charge…

We review the physics of coherent elastic neutrino-nucleus scattering and the results and perspectives for the measurements of the radius of the neutron distribution of the nucleus, of the weak mixing angle, and of new neutrino interactions…

High Energy Physics - Phenomenology · Physics 2023-07-27 M. Cadeddu , F. Dordei , C. Giunti
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