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We investigate forces induced by the exchange of two light neutrinos between Standard Model (SM) fermions in the presence of effective operators parametrising physics beyond the SM. We first set up a general framework in which we derive the…

High Energy Physics - Phenomenology · Physics 2020-07-07 Patrick D. Bolton , Frank F. Deppisch , Chandan Hati

We review the results on neutrino propagation in neutral and charged media under strong magnetic fields $M_{W}^{2}\gg B\gg m_{e}^{2}$. It is shown that the neutrino energy density gets a magnetic contribution in both charged and neutral…

High Energy Physics - Phenomenology · Physics 2009-11-10 Efrain J. Ferrer , Vivian de la Incera

We present a new method of calculating the rate of neutrino-electron interactions in a strong magnetic field based on finite temperature field theory. Using this method, in which the effect of the magnetic field on the electron states is…

Astrophysics · Physics 2009-10-31 Stephen J. Hardy , Markus H. Thoma

Neutrinos have no electric charge, but a magnetic field can indirectly affect neutrino properties and interactions through its effect on charged particles. After a brief field-theoretic discussion of charged particles in magnetic fields, we…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kaushik Bhattacharya , Palash B. Pal

We study the electromagnetic coupling of a neutrino that propagates in a two-stream electron background medium. Specifically, we calculate the electromagnetic vertex function for a medium that consists of a \emph{normal} electron background…

High Energy Physics - Phenomenology · Physics 2018-07-31 Jose F. Nieves , Sarira Sahu

We show that, because of their effective electromagnetic interaction in matter, transition radiation is emitted whenever neutrinos goes across the boundary between two media with different indices of refraction. This effect occurs in the…

High Energy Physics - Phenomenology · Physics 2012-02-23 Juan Carlos D'Olivo , José Antonio Loza

The active-sterile neutrino conversion probability is calculated for neutrino propagating in a medium in the presence of random magnetic field fluctuations. Necessary condition for the probability to be positive definite is obtained. Using…

High Energy Physics - Phenomenology · Physics 2009-10-30 Sarira Sahu

We recalculate the magnetic moment of neutrinos in a hot and dense medium. The magnetic dipole moment of neutrinos is modified at high temperature and chemical potential. We show that the magnetic dipole moment of electron neutrino does not…

High Energy Physics - Phenomenology · Physics 2017-11-16 Samina S. Masood

Both electron and its neutrino possess not only the anomalous magnetic moment but also each of the existing types of electric charges and their dipole moments. Any of them can interact with field of emission leading to the elastic…

High Energy Physics - Phenomenology · Physics 2010-12-10 Rasulkhozha S. Sharafiddinov

We study the neutrino-photon processes such as $\gamma\gamma\to \nu\bar{\nu}$ and $\nu\gamma\to \nu\gamma$ in a background magnetic field smaller than the critical magnetic field $B_c\equiv m_e^2/e$. Using Schwinger's proper-time method, we…

High Energy Physics - Phenomenology · Physics 2009-10-31 Tzuu-Kang Chyi , Chien-Wen Hwang , W. F. Kao , Guey-Lin Lin , Kin-Wang Ng , Jie-Jun Tseng

Neutrino interactions play a central role in transport and flavor evolution in the ejecta of binary neutron star mergers. Simulations suggest that neutron star mergers may produce magnetic fields as strong as $10^{17}$ G, but computational…

High Energy Astrophysical Phenomena · Physics 2026-04-10 Mia Kumamoto , Catherine Welch

We study the properties of an electromagnetically interacting medium in the presence of high concentration of electrons at extremely high temperatures and chemical potentials. We show that the electromagnetic properties of a medium such as…

High Energy Physics - Phenomenology · Physics 2016-11-14 Samina Masood

We derive general expressions at the one-loop level for the coefficients of the covariant structure of the neutrino self-energy in the presence of a constant magnetic field. The neutrino energy spectrum and index of refraction are obtained…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. Elizalde , E. J. Ferrer , V. de la Incera

When neutrinos travel through a normal matter medium, the electron neutrinos couple differently to gravity compared to the other neutrinos, due to the presence of electrons in the medium and the absence of the other charged leptons. We…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jose F. Nieves , Palash B. Pal

Neutrinos are likely the most poorly understood basic constituents of the Standard Model. In order to investigate precisely their interactions one should be able to create high intensity and well-collimated neutrino beams with known flavor…

High Energy Physics - Phenomenology · Physics 2020-02-13 I. Alikhanov

The process of neutrino propagation through an active medium consisting of magnetic field and plasma is analysed. We consider in detail the contribution of a magnetic field B into the neutrino self-energy operator Sigma (p). The results for…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Kuznetsov , N. V. Mikheev

The processes of electron neutrino capture on neutron and electron anti-neutrino capture on proton, and their reverse processes provide the dominant mechanisms for heating and cooling the material below the stalled shock in a core-collapse…

Astrophysics · Physics 2017-08-23 Huaiyu Duan , Yong-Zhong Qian

The total set of the neutrino - electron processes in a presence of both components of an active medium, hot dense plasma and strong magnetic field, is investigated for the first time. The contribution of the processes $\nu e^- \to \nu…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. V. Kuznetsov , N. V. Mikheev

Photons are neutral particles that do not interact directly with a magnetic field. However, recent theoretical work has shown that an effective magnetic field for photons can exist if the phase of light would change with its propagating…

We study the properties of neutrinos propagating in an isotropic magnetized medium in the two physical approximations of degenerate Fermi gas and classical plasma. The dispersion relation shows that, for peculiar configurations of the…

High Energy Physics - Phenomenology · Physics 2009-09-25 S. Esposito , G. Capone