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Related papers: Neutrino self-energy in a magnetized charge-symmet…

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Using heavy-baryon chiral perturbation theory, we have calculated all the diagrams up to two-loop order which contribute to the S-wave pion self-energy in symmetric nuclear matter. Some subtleties related to the definition of pion fields…

Nuclear Theory · Physics 2008-11-26 Tae-Sun Park , Hong Jung , Dong-Pil Min

The low-energy two neutrino-two photon interactions in the presence of homogeneous magnetic field are studied. The cross sections in external magnetic field are shown to be larger than in vacuum by factor $\sim (m_W /m_e) ^4(B/B_c) ^2$. The…

High Energy Physics - Phenomenology · Physics 2008-02-03 Shaisultanov R

Neutrinos are neutral in the Standard Model, but they have tiny charge radii generated by radiative corrections. In theories Beyond the Standard Model, neutrinos can also have magnetic and electric moments and small electric charges…

High Energy Physics - Phenomenology · Physics 2024-11-26 Carlo Giunti , Konstantin Kouzakov , Yu-Feng Li , Alexander Studenikin

We use the linear sigma model with quarks to find the magnetic field-induced modifications to the neutral pion mass at one-loop level. The magnetic field effects are introduced by using charged particle propagators in the presence of a…

High Energy Physics - Phenomenology · Physics 2021-03-31 Alejandro Ayala , José Luis Hernández , L. A. Hernández , Ricardo L. S. Farias , R. Zamora

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 calculate the yield of high energy neutrinos produced in astrophysical sources with negligible magnetic fields varying their interaction depth from nearly transparent to opaque. We take into account the scattering of secondaries on…

Astrophysics · Physics 2008-12-18 M. Kachelriess , R. Tomas

We study the electron self--energy in a strong magnetic field when the parameter \eta\equiv (\alpha/2\pi) \ln^2 (eB/m^2_0) \sim 1 and explore the transition between the perturbative regime \eta<<1 and the nonperturbative massless QED regime…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. P. Gusynin , A. V. Smilga

We compute the power radiated per unit solid angle of a moving magnetic dipole moment, and its instantaneous radiated power, both non-relativistically and relativistically. This is then applied to various interesting situations: solar…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Peter D. Morley , Douglas J. Buettner

We consider the effects of bound atomic electrons scattered by solar neutrinos due to the electromagnetic properties of neutrinos. This necessiate considering the recoil of atomic nucleus, which should be considered in the momentum…

High Energy Physics - Phenomenology · Physics 2021-12-09 Junu Jeong , Jihn E. Kim , Sungwoo Youn

Distortions of Cosmic Microwave Background (CMB) temperature and polarization maps caused by gravitational lensing, observable with high angular resolution and high sensitivity, can be used to measure the neutrino mass. Assuming two…

Astrophysics · Physics 2010-04-22 Manoj Kaplinghat , Lloyd Knox , Yong-Seon Song

If three right-handed neutrinos are added to the Standard Model, then, for the three known generations, there are six quarks and six leptons. It is then natural to assume that the symmetry considerations that have been applied to the quark…

High Energy Physics - Phenomenology · Physics 2009-11-07 R. Gastmans , Per Osland , Tai Tsun Wu

We perform first-principles relativistic particle-in-cell simulations of aligned pulsar magnetosphere. We allow free escape of particles from the surface of a neutron star and continuously populate the magnetosphere with neutral pair plasma…

High Energy Astrophysical Phenomena · Physics 2015-10-08 Alexander Philippov , Anatoly Spitkovsky

By modeling a linear polarizable and magnetizable medium (magneto-dielectric) with two quantum fields, namely E and M, electromagnetic field is quantized in such a medium consistently and systematically. A Hamiltonian is proposed from…

Quantum Physics · Physics 2009-11-11 F. Kheirandish , A. Amooshahi

We calculate, in chiral perturbation theory, the change in the self-energy of decuplet baryons in nuclear matter. These self-energy shifts are relevant in studies of meson-nucleus scattering and of neutron stars. Our results are leading…

High Energy Physics - Phenomenology · Physics 2009-10-30 Stephen M. Ouellette , Ryoichi Seki

The data from solar neutrino experiments together with standard solar model predictions are used in order to derive the possible profile of the magnetic field inside the Sun, assuming the existence of a sizeable neutrino magnetic moment and…

Astrophysics · Physics 2009-10-30 Joao Pulido

We present a theory of neutrino oscillations in a dense medium which goes beyond the effective matter potential used in the description of the MSW effect. We show how the purity of the neutrino state is degraded by neutrino interactions…

High Energy Physics - Phenomenology · Physics 2021-07-20 Antonio Capolupo , Salvatore Marco Giampaolo , Aniello Quaranta

A new more rigorous and accurate method for treating neutrino oscillations in the context of the MSW effect in a medium is proposed. This leads to a new type of resonance condition which for small mixing angles puts rather stringent…

High Energy Physics - Phenomenology · Physics 2009-09-25 G. K. Leontaris , J. D. Vergados

By employing vector meson dominance to establish the electromagnetic interactions of hadrons, the electromagnetic self-energy of the neutral pions, which receives the contributions from the vector resonances due to chiral anomaly, is…

High Energy Physics - Phenomenology · Physics 2009-10-31 Dao-Neng Gao , Mu-Lin Yan

Exact solution of the modified Dirac equation in rotating medium is found in polar coordinates in the limit of vanishing neutrino mass. The solution for the active left-handed particle exhibit properties similar to those peculiar for the…

High Energy Physics - Phenomenology · Physics 2017-08-23 Alexander Grigoriev , Alexander Studenikin