English
Related papers

Related papers: Neutrino Processes in Strong Magnetic Fields

200 papers

A core-collapse supernova (SN) releases almost all of its energy in the form of neutrinos, which provide a unique opportunity to probe the working machinery of a SN. These sites are prone to neutrino-neutrino refractive effects, which can…

High Energy Physics - Phenomenology · Physics 2024-06-03 Manibrata Sen

Nuclear reactions heat and cool the crust of accreting neutron stars and need to be understood to interpret observations of X-ray bursts and of long-term cooling in transiently accreting systems. It was recently suggested that previously…

High Energy Astrophysical Phenomena · Physics 2022-02-16 H. Schatz , Z. Meisel , E. F. Brown , S. S. Gupta , G. W. Hitt , W. R. Hix , R. Jain , R. Lau , P. Möller , W. -J. Ong , P. S. Shternin , Y. Xu , M. Wiescher

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

We studied nucleus-nucleus collision in strong magnetic field based on a transport model. It is found that neutrons and protons can be separated from a nucleus by strong magnetic field and neutron-rich high density nuclear matter and low…

Nuclear Theory · Physics 2011-06-29 Gao-Chan Yong

We investigate the combined effect of neutron and proton superfluidities on the cooling of neutron stars whose cores consist of nucleons and electrons. We consider singlet-state pairing of protons and triplet-state pairing of neutrons in…

Astrophysics · Physics 2009-11-10 M. E. Gusakov , A. D. Kaminker , D. G. Yakovlev , O. Y. Gnedin

Low energy nuclear reactions in the neighborhood of metallic hydride surfaces may be induced by ultra-low momentum neutrons. Heavy electrons are absorbed by protons or deuterons producing ultra low momentum neutrons and neutrinos. The…

Strongly Correlated Electrons · Physics 2007-05-23 A. Widom , L. Larsen

The neutrino-electron processes in a dense strongly degenerate magnetized plasma are analyzed in the framework of the Standard Model. The total probability and the mean values of the neutrino energy and momentum losses are calculated. It is…

High Energy Physics - Phenomenology · Physics 2009-10-31 N. V. Mikheev , E. N. Narynskaya

In heavy-ion collisions at relativistic energies, the incident nuclei travel at nearly the speed of light. These collisions deposit kinetic energy into the overlap region and create a high-temperature environment where hadrons ``melt'' into…

Nuclear Experiment · Physics 2025-12-02 Diyu Shen , Jinhui Chen , Xu-Guang Huang , Yu-Gang Ma , Aihong Tang , Gang Wang

In the mean field approximation of the relativistic $\sigma$-$\omega$-$\rho$ model, the magnetic fields are incorporated, and its influence on the properties of n-p-e neutron star matter are studied. When the strength of the magnetic field…

Astrophysics · Physics 2008-11-26 W. Chen , P. Q. Zhang , L. G. Liu

We attempt to correlate all of the available solar-neutrino capture-rate data with the strong magnetic fields these neutrinos encounter in the solar interior along their Earth-bound path. We approximate these fields using the (photospheric,…

High Energy Physics - Phenomenology · Physics 2011-05-23 D. S. Oakley , Herschel B. Snodgrass

A variety of neutrino flavour conversion phenomena occur in core-collapse supernova, due to the large neutrino density close to the neutrinosphere, and the importance of the neutrino-neutrino interaction. Three different regimes have been…

Solar and Stellar Astrophysics · Physics 2015-05-27 Sebastien Galais , Cristina Volpe

The effect of a strongly magnetized cold plasma on the Compton-like photoproduction of a neutrino-antineutrino pair on an electron, $\gamma e \to e \nu \bar \nu$, has been considered. The contribution of this process to the neutrino…

High Energy Physics - Phenomenology · Physics 2014-10-22 M. V. Chistyakov , A. V. Kuznetsov , N. V. Mikheev , D. A. Rumyantsev , D. M. Shlenev

{Large enough random magnetic fields may affect in an important way neutrino conversion rates, even in the case where neutrinos have zero transition magnetic moments. We consider their effect in the case of active to sterile \neu…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Pastor , V. Semikoz , Jose W. F. Valle

We study the problem of neutron star composition in the presence of a strong magnetic field. The effects of the anomalous magnetic moments of both nucleons and electrons are investigated in relativistic mean field calculations for a…

Astrophysics · Physics 2009-11-07 G. Mao , V. N. Kondratyev , A. Iwamoto , Z. Li , X. Wu , W. Greiner , I. N. Mikhailov

A possible mechanism for the formation of heavy-mass elements in supernovae is the rapid neutron-capture-mechanism (r-process). It depends upon the electron-fraction $Y_e$, a quantity which is determined by beta-decay-rates. In this paper,…

Nuclear Theory · Physics 2020-07-07 M. M. Saez , O. Civitarese , M. E. Mosquera

It is shown that bulk acceleration during reconnection of extremely strong magnetic fields near compact objects can accelerate ions to Lorentz factors of $\sim 10^2 \sigma^{3/5}$ under general conditions, where $\sigma$, the magnetic energy…

Astrophysics · Physics 2007-05-23 David Eichler

We obtain the equations that define the equilibrium of a homogeneous relativistic gas of neutrons, protons and electrons in a constant magnetic field as applied to the conditions that probably occur near the center of neutron stars. We…

Statistical Mechanics · Physics 2009-10-28 Choon-Lin Ho , V. R. Kahlilov , Chi Yang

The emission of $\nu\bar\nu$ pairs off electrons in a polarized ultra-intense electromagnetic (e.g.\ laser) wave field is analyzed. We elaborate on the significance of non-linear electrodynamics effects (i.e., multi-photon processes) and…

High Energy Physics - Phenomenology · Physics 2011-03-22 A. I. Titov , B. Kampfer , H. Takabe , A. Hosaka

In this paper, we present a new approximation for efficiently and effectively including heavy-lepton neutrino pair-production processes in neutrino transport simulations of core-collapse supernovae. In the neutrino-driven explosion…

High Energy Astrophysical Phenomena · Physics 2025-01-29 Aurore Betranhandy , Evan O'Connor

We briefly review recent theoretical studies of the effects of accreted envelopes, magnetic fields and crustal superfluidity on the cooling of neutron stars. These effects are especially important for slowly cooling low-mass neutron stars,…

Astrophysics · Physics 2007-05-23 G. Chabrier , A. Y. Potekhin , D. G. Yakovlev