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We propose an experimental setup to observe coherent elastic neutrino-atom scattering (CE$\nu$AS) using electron antineutrinos from tritium decay and a liquid helium target. In this scattering process with the whole atom, that has not beeen…

High Energy Physics - Phenomenology · Physics 2019-11-06 M. Cadeddu , F. Dordei , C. Giunti , K. A. Kouzakov , E. Picciau , A. I. Studenikin

We scrutinize the potential of upcoming ultra-near reactor neutrino experiments to detect radiative corrections in the elastic neutrino-electron scattering channel, focusing on the JUNO-TAO and CLOUD detectors, which employ advanced…

High Energy Physics - Phenomenology · Physics 2024-12-10 Vedran Brdar , Leonardo J. Ferreira Leite , George A. Parker , Xun-Jie Xu

Limits at 90 % c.l. on the square of the mixing strength |U_tau4|^2 between nu_tau and a mostly isosinglet heavy neutrino with mass in the range 10-290 MeV/c^2 are reported. The results were derived using the negative result of a search for…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Orloff , A. Rozanov , C. Santoni

Elastic neutrino-electron scattering represents a powerful tool to investigate key neutrino properties. In view of the recent results released by the LUX-ZEPLIN collaboration, we provide a first determination of the limits achievable on the…

High Energy Physics - Phenomenology · Physics 2023-03-03 M. Atzori Corona , W. M. Bonivento , M. Cadeddu , N. Cargioli , F. Dordei

By using both thermal field theory and a somewhat more intuitive method, we define the electric charge as well as the charge radius of neutrinos propagating inside a plasma. We show that electron neutrinos acquire a charge radius of order…

High Energy Physics - Phenomenology · Physics 2009-10-22 T. Altherr , P. Salati

The Sigma^- mean squared charge radius has been measured in the space-like Q^2 range 0.035-0.105 GeV^2/c^2 by elastic scattering of a Sigma^- beam off atomic electrons. The measurement was performed with the SELEX (E781) spectrometer using…

High Energy Physics - Experiment · Physics 2010-05-28 SELEX Collaboration , I. Eschrich

We present the results on the radius of the neutron distribution in $^{40}\text{Ar}$, on the low-energy value of the weak mixing angle, and on the electromagnetic properties of neutrinos obtained from the analysis of the coherent…

High Energy Physics - Phenomenology · Physics 2020-08-05 M. Cadeddu , F. Dordei , C. Giunti , Y. F. Li , E. Picciau , Y. Y. Zhang

We present an updated analysis of the coherent neutrino-nucleus elastic scattering data of the COHERENT experiment taking into account the new quenching factor published recently in Phys. Rev. D100, 033003 (2019). Through a fit of the…

High Energy Physics - Phenomenology · Physics 2020-02-26 M. Cadeddu , F. Dordei , C. Giunti , Y. F. Li , Y. Y. Zhang

We report on a precision measurement of the parity-violating asymmetry in fixed target electron-electron (Moller) scattering: A_PV = -131 +/- 14 (stat.) +/- 10 (syst.) parts per billion, leading to the determination of the weak mixing angle…

High Energy Physics - Experiment · Physics 2010-03-19 SLAC E158 Collaboration , P. L. Anthony

The KATRIN experiment has recently reported a new upper limit to the mass of the electron neutrino of $m<0.8 eV$ (90\%CL), and a best value of $m^2= 0.26 \pm 0.34 eV^2/c^4$ based on a fit to the observed tritium beta decay spectrum. Here…

High Energy Physics - Phenomenology · Physics 2021-11-23 Robert Ehrlich

We propose a new precision measurement of parity-violating electron scattering on the proton at very low Q^2 and forward angles to challenge predictions of the Standard Model and search for new physics. A unique opportunity exists to carry…

Recent proposals to study the mass of the "electron" neutrino at a sensitivity of 0.3 eV can be used to place limits on the right handed and scalar charged currents at a level which improves on the present experimental limits. Indeed the…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. H. J. McKellar , M. Garbutt , G. J. Stephenson , T. Goldman

Proton-$^{133}$Cs elastic scattering at low momentum transfer is performed using an in-ring reaction technique at the Cooler Storage Ring at the Heavy Ion Research Facility in Lanzhou. Recoil protons from the elastic collisions between the…

Neutrino scattering on electrons is considered as a tool for laboratory searches of the neutrino magnetic moment. We study inelastic $\bar\nu_ee^-$-scattering on electrons bound in the germanium (Z=32) and iodine (Z=53) atoms for…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. A. Fayans , L. A. Mikaelyan , V. V. Sinev

Despite being neutral particles, neutrinos can have a non-zero charge radius, which represents the only non-null neutrino electromagnetic property in the standard model theory. Its value can be predicted with high accuracy and its effect is…

High Energy Physics - Phenomenology · Physics 2024-05-31 M. Atzori Corona , M. Cadeddu , N. Cargioli , F. Dordei , C. Giunti

The purpose of the present paper is to study the neutrino properties as they may appear in the low energy neutrinos emitted in triton decay, with maximum neutrino energy of 18.6 KeV. The technical challenges to this end can be summarized as…

High Energy Physics - Experiment · Physics 2009-11-10 Y. Giomataris , J. D. Vergados

We investigate the sensitivity of a companion neutrino detector situated in the plane of a high-energy, high-intensity muon storage ring to elastic $\nu_{\mu}$ and $\nu_e$ scattering on electrons (E$\nu$ES). Assuming a muon collider with…

High Energy Physics - Phenomenology · Physics 2025-10-22 André de Gouvêa , Adrian Thompson

The weak mixing angle provides a sensitive test of the Standard Model. We study SBND's sensitivity to the weak mixing angle using neutrino-electron scattering events. We perform a detailed simulation, paying particular attention to…

High Energy Physics - Phenomenology · Physics 2024-09-12 Gustavo F. S. Alves , Antonio P. Ferreira , Shirley Weishi Li , Pedro A. N. Machado , Yuber F. Perez-Gonzalez

Using the new limit on the neutrino anomalous magnetic moment recently obtained by GEMMA experiment we get an order-of-magnitude estimation for possible new direct upper bound on the neutrino electric millicharge $\mid q_{\nu} \mid \sim 1.5…

High Energy Physics - Phenomenology · Physics 2014-11-11 Victor B. Brudanin , Dmitry V. Medvedev , Alexander S. Starostin , Alexander I. Studenikin