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We study the behavior of neutral meson properties in the presence of a static uniform external magnetic field in the context of nonlocal chiral quark models. The formalism is worked out introducing Ritus transforms of Dirac fields, which…

High Energy Physics - Phenomenology · Physics 2018-02-28 D. Gomez Dumm , M. F. Izzo Villafañe , N. N. Scoccola

We compute the dispersion curves for neutrinos propagating in an extremely dense electroweak plasma, in the presence of very strong magnetic fields of order $B \le M_W^2/e$. The neutrino self-energy is calculated in the one-loop…

High Energy Physics - Phenomenology · Physics 2016-08-15 A. Pérez Martínez , A. Amézaga Hechavarría , D. Oliva Agüero , H. Pérez Rojas , S. Rodríguez Romo

We study neutrino spin-flavor oscillations in presence of rapidly varying external fields. The general formalism for the description of neutrino oscillations in arbitrary rapidly varying external fields is elaborated. We obtain the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Maxim Dvornikov

We develop a theoretical framework for quantum field description of neutrino evolution in a medium, with a focus on quantum decoherence induced by neutrino scattering on fermions. By deriving a generalized Lindblad master equation that…

High Energy Physics - Phenomenology · Physics 2026-03-27 Konstantin Stankevich , Alexander Studenikin , Maksim Vyalkov

In this paper we explore interactions between neutrinos and Dark Matter. In particular, we study how the propagation of astrophysical neutrinos can be modified by computing the most general potential generated by the galactic DM background.…

High Energy Physics - Phenomenology · Physics 2023-03-22 Gabriel M. Salla

There are two types of uncertainties related to the measurements done on a quantum system: statistical and those related to non-commuting observables and incompatible measurements. The latter indicates the quantum system's inherent nature…

Quantum Physics · Physics 2022-02-15 P. Kurashvili , L. Chotorlishvili , K. A. Kouzakov , A. I. Studenikin

The main goal of the paper is to give a short review on neutrino electromagnetic properties. In the introductory part of the paper a summary on what we really know about neutrinos is given: we discuss the basics of neutrino mass and mixing…

High Energy Physics - Phenomenology · Physics 2015-03-13 Carlo Giunti , Alexander Studenikin

The radiative decay of the massive neutrino $\nu_i \rightarrow \nu_j \gamma$ is investigated in the framework of the Standard Model in external electromagnetic fields of various configurations: constant crossed field, constant uniform…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. A. Gvozdev , N. V. Mikheev , L. A. Vassilevskaya

We discuss the nature of neutrino propagation in the presence of strong magnetic fields of Magnetars.

Astrophysics · Physics 2007-05-23 Sushan Konar

Neutrino spin-flavour oscillations in the magnetic field, matter, and majoron fields are studied. The effective Lagrangian of Majorana neutrino interaction with a majoron field mediated by heavy neutrino is calculated. It is shown that the…

High Energy Physics - Phenomenology · Physics 2025-04-29 A. Lichkunov , A. Popov , A. Studenikin

We study neutrino and antineutrino emission from the direct Urca process in neutron-star matter in the presence of strong magnetic fields. We calculate the neutrino emissivity of the direct Urca process, whereby a neutron converts to a…

Are neutrinos with definite masses Majorana or Dirac particles? This is one of the most fundamental problem of the modern neutrino physics. The solution of this problem could be crucial for understanding of the origin of small neutrino…

High Energy Physics - Phenomenology · Physics 2020-08-06 S. Bilenky

We show that 2+1 dimensional Dirac oscillators in an external magnetic field is mapped onto the same with reduced angular frequency in absence of magnetic field. This can be used to study the atomic transitions in a radiation field.…

High Energy Physics - Theory · Physics 2010-01-26 Bhabani Prasad Mandal , Shweta Verma

Analysis of the covariant theta-exact noncommutative (NC) gauge field theory (GFT), inspired by high energy cosmic rays experiments, is performed in the framework of the inelastic neutrino-nucleon scatterings. Next we have have found…

High Energy Physics - Phenomenology · Physics 2013-02-05 Josip Trampetic

We discuss the extraction of the electromagnetic and spin polarisabilities of nucleons from lattice QCD. We show that the external field method can be used to measure all the electromagnetic and spin polarisabilities including those of…

High Energy Physics - Lattice · Physics 2009-11-11 W. Detmold , B. C. Tiburzi , A. Walker-Loud

We study the problem of the quantization of the massive charged Dirac field on a naked Reissner-Nordstr\"{o}m background. We show that the introduction of an anomalous magnetic moment for the electron field allows a well--defined quantum…

General Relativity and Quantum Cosmology · Physics 2016-08-31 F. Belgiorno , M. Martellini , M. Baldicchi

The study of the magnetic properties of atoms and nuclei was performed. A linear dependence between the strength of the magnetic field at the nucleus and the effective charge divided by the major quantum number were analyzed and explained.…

Atomic Physics · Physics 2024-09-02 Andrzej Tucholski , Zygmunt Patyk

Our present understanding of neutrino properties is reviewed with a particular emphasis on observable differences between Majorana and Dirac neutrinos. Current and future experimental efforts towards measuring neutrino properties are…

High Energy Physics - Phenomenology · Physics 2018-05-03 A. Baha Balantekin , Boris Kayser

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

Neutrino oscillations are precision probes of new physics beyond the Standard Model. Apart from neutrino masses and mixings, they are also sensitive to possible deviations of low-energy interactions between quarks and leptons from the…

High Energy Physics - Phenomenology · Physics 2020-12-15 Adam Falkowski , Martín González-Alonso , Zahra Tabrizi