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We discuss various issues concerning the interactions of nuclei with neutrinos of low impinging energies (i.e. having several tens of MeV to a few hundred MeV) of interest for particle physics, nuclear physics and astrophysics. We focus, in…

High Energy Physics - Phenomenology · Physics 2009-11-10 Cristina Volpe

The interaction of neutrinos with gravitational fields in the weak field regime at one loop to the leading order has been studied by Menon and Thalappilil. They deduced some theoretical differences between the Majorana and Dirac neutrinos.…

High Energy Physics - Phenomenology · Physics 2016-08-16 S. A. Alavi , A. Abbasnezhad

Geo-neutrinos, electron antineutrinos from natural radioactive decays inside the Earth, bring to the surface unique information about our planet. The new techniques in neutrino detection opened a door into a completely new…

High Energy Physics - Experiment · Physics 2014-09-01 Livia Ludhova , Sandra Zavatarelli

The magnetars are believed to be highly magnetized neutron stars having surface magnetic field 10^{14} - 10^{15} G. It is believed that at the center, the magnetic field may be higher than that at the surface. We study the effect of the…

High Energy Astrophysical Phenomena · Physics 2013-02-15 Banibrata Mukhopadhyay , Monika Sinha

The sensitivity of the differential cross section of the interaction between neutrino-electron with dense matter to the possibly nonzero neutrino electromagnetic properties has been investigated. Here, the relativistic mean field model…

Nuclear Theory · Physics 2008-11-26 A. Sulaksono , C. K. Williams , P. T. P. Hutauruk , T. Mart

Interaction of magnetic moment of point particles with external electromagnetic fields experiences unresolved theoretical and experimental discrepancies. In this work we point out several issues within the relativistic quantum mechanics and…

High Energy Physics - Phenomenology · Physics 2023-10-10 Martin Formanek , Stefan Evans , Johann Rafelski , Andrew Steinmetz , Cheng-Tao Yang

We analyze the possibility of encountering resonant transitions of high energy Majorana neutrinos produced in Active Galactic Nuclei (AGN). We consider gravitational, electromagnetic and matter effects and show that the latter are…

High Energy Physics - Phenomenology · Physics 2014-11-17 Mou Roy , Jose Wudka

Massive neutrinos can have helicity $s_{\parallel}\neq -1$. Neutrino helicity changes when the neutrino interacts with an external magnetic field and it is possible that the left-handed neutrinos born inside the Sun or a supernova could…

High Energy Physics - Phenomenology · Physics 2018-12-12 J. Barranco , D. Delepine , M. Napsuciale , A. Yebra

Cross sections for the interactions of ultrahigh-energy neutrinos with nucleons are evaluated in light of new information about nucleon structure functions. For $10^{20}$--eV neutrinos, the cross section is about 2.4 times previous…

High Energy Physics - Phenomenology · Physics 2009-05-05 Raj Gandhi , Chris Quigg , Mary Hall Reno , Ina Sarcevic

Both cosmology and astrophysics suggest the possible existence of sterile neutrino which is a dark matter candidate. The interaction of sterile neutrinos with matter in keV energy scale has been studied in the literature. In this paper we…

High Energy Physics - Phenomenology · Physics 2011-09-23 S. A. Alavi , T. Ebrahimi

We derive model-independent, "naturalness" upper bounds on the magnetic moments \mu_\nu of Dirac neutrinos generated by physics above the scale of electroweak symmetry breaking. In the absence of fine-tuning of effective operator…

High Energy Physics - Phenomenology · Physics 2009-11-11 Nicole F. Bell , Vincenzo Cirigliano , Michael J. Ramsey-Musolf , Petr Vogel , Mark B. Wise

This paper is a continuation of the article "The Isotopic Field-Charge Assumption Applied to the Electromagnetic Interaction". It continues the discussion and consequences of the extended Dirac equation in the presence of isotopic mass and…

General Physics · Physics 2018-09-12 György Darvas

An overview of neutrino electromagnetic properties, which open a door to the new physics beyond the Standard Model, is given. The effects of neutrino electromagnetic interactions both in terrestrial experiments and in astrophysical…

High Energy Physics - Phenomenology · Physics 2016-04-20 Carlo Giunti , Konstantin A. Kouzakov , Yu-Feng Li , Alexey V. Lokhov , Alexander I. Studenikin , Shun Zhou

We show that the Standard Model electroweak interaction of ultrarelativistic electrons with nucleons ($eN$ interaction) in a neutron star (NS) permeated by a seed large-scale helical magnetic field provides its growth up to $\gtrsim…

High Energy Astrophysical Phenomena · Physics 2016-08-10 Maxim Dvornikov , Victor B. Semikoz

In the presence of a thermal medium or an external electro-magnetic field, neutrinos can interact with photon, mediated by the corresponding charged leptons (real or virtual). The effect of a medium or an electromagnetic field is two-fold -…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kaushik Bhattacharya , Avijit K. Ganguly

We conjecture that neutrino physics might correspond to the spontaneous magnetisation phase of an Ising-like spin model interaction coupled to neutrino chirality which operates at scales close to the Planck mass. We argue that this scenario…

High Energy Physics - Phenomenology · Physics 2007-05-23 Steven D. Bass

If neutrinos are Dirac particles the existence of light right-handed neutrinos $\nu_{R}$ is implied. Those would contribute to the effective number of relativistic neutrino species $N_{{\rm eff}}$ in the early Universe. With pure standard…

High Energy Physics - Phenomenology · Physics 2020-07-01 Xuheng Luo , Werner Rodejohann , Xun-Jie Xu

The existence of a neutrino magnetic moment implies contributions to the neutrino mass via radiative corrections. We derive model-independent "naturalness" upper bounds on the magnetic moments of Dirac neutrinos, generated by physics above…

High Energy Physics - Phenomenology · Physics 2009-11-11 Nicole F. Bell , V. Cirigliano , M. J. Ramsey-Musolf , P. Vogel , Mark B. Wise

Nonstandard interaction is expected to be a crucial hint in explaining the experimental data on neutrino scattering off electrons. In this context, the nonstandard interaction vector and axial-vector couplings are needed to be extracted…

High Energy Physics - Phenomenology · Physics 2024-10-29 Parada T. P. Hutauruk

The existence of a neutrino magnetic moment implies contributions to the neutrino mass via radiative corrections. We derive model-independent "naturalness" upper bounds on the magnetic moments of Dirac and Majorana neutrinos, generated by…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nicole F. Bell