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The neutrino mean free path in neutron matter under a strong magnetic field is evaluated for the inelastic scattering reaction and studied as a function of the neutron matter density in the range $0.05 \leq \rho \leq 0.4$ fm$^{-3}$ for…

Nuclear Theory · Physics 2019-05-08 Julio Torres Patiño , Eduardo Bauer , Isaac Vidaña

The effects of a strong magnetic field in the dynamical response of a pure neutron system to a weak neutrino probe are studied within the framework of the Landau Fermi Liquid Theory in the non-relativistic Hartree-Fock approximation. We use…

Nuclear Theory · Physics 2010-04-22 M. Angeles Perez-Garcia

The asymmetry in the neutrino mean free path for the absorption reaction $\nu + n \rightarrow e^{-} + p$, is evaluated within hot neutron matter under a strong magnetic field. We consider densities in the range $0.05 \leq \rho \leq 0.4$…

Nuclear Theory · Physics 2020-07-08 E. Bauer , J. Torres Patiño

Landau's Fermi Liquid parameters are calculated for non-superfluid pure neutron matter in the presence of a strong magnetic field at zero temperature. The particle-hole interactions in the system, where a net magnetization may be present,…

Nuclear Theory · Physics 2009-08-26 M. Angeles Perez-Garcia , J. Navarro , A. Polls

We present a relativistic model for computing the neutrino mean free path in neutron matter. Thereby, neutron matter is described as a non-interacting Fermi gas in beta-equilibrium. We present results for the neutrino mean free path for…

Nuclear Theory · Physics 2008-11-26 K. Vantournhout , N. Jachowicz , J. Ryckebusch

We present microscopic calculations of neutrino propagation in hot neutron matter above nuclear density within the framework of the Random Phase Approximation . Calculations are performed for non- degenerate neutrinos using various Skyrme…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. Navarro , E. S. Hernandez , D. Vautherin

The mean free path of neutrino - free electron gas interaction has been calculated by taking into account the neutrino electromagnetic form factors and the possibility of neutrino oscillation. It is shown that the form factor effect becomes…

High Energy Physics - Phenomenology · Physics 2009-11-11 C. K. Williams , P. T. P. Hutauruk , A. Sulaksono , T. Mart

The neutrino propagation in neutron stars is studied in the framework of the linear response method. The medium effects are treated in the non-relativistic Brueckner-Hartree-Fock approach either in the mean-field approximation or in the…

Nuclear Theory · Physics 2014-11-18 Caiwan Shen , U. Lombardo , N. Van Giai , W. Zuo

Some thermodynamical magnitudes of interest in a pure neutron plasma are studied within the framework of the non-relativistic Brueckner-Hartree-Fock approximation at finite density and temperature. We use Skyrme and Gogny forces to describe…

Nuclear Theory · Physics 2008-11-26 M. Angeles Perez-Garcia

Effects of neutrino charge radius and magnetic moment constraints obtained from the astrophysical observations and reactor experiments, as well as in-medium modifications of the weak and electromagnetic nucleon form factors of the matter on…

High Energy Physics - Phenomenology · Physics 2021-11-18 Parada T. P. Hutauruk , A. Sulaksono , K. Tsushima

We calculate the neutrino mean free path and the Equation of State of pure neutron matter at finite temperature within a selfconsistent scheme based on the Brueckner--Hartree--Fock approximation. We employ the nucleon-nucleon part of the…

Nuclear Theory · Physics 2009-11-10 Jerome Margueron , Isaac Vidana , Ignazio Bombaci

The longitudinal and transverse density- and spin-density response functions in Pure Neutron Matter (PNM) are derived over a wide range of densities within the Time Dependent Local Spin Density Approximation (TDLSDA). The underlying density…

Nuclear Theory · Physics 2018-10-23 Luca Riz , Francesco Pederiva , Stefano Gandolfi

The Landau parameters of nuclear matter and neutron matter are extracted from the Brueckner theory including three-body forces. The dynamical response function to weak neutrino current is calculated in terms of the Landau Parameters in the…

Nuclear Theory · Physics 2009-11-07 U. Lombardo , Caiwan Shen , N. Van Giai , W. Zuo

We calculate the neutrino mean free path with non-Fermi liquid (NFL) corrections in quark matter from scattering and absorption processes for both degenerate and nondegenerate neutrinos. We show that the mean free path decreases due to the…

High Energy Physics - Phenomenology · Physics 2011-08-12 Kausik Pal , Abhee K. Dutt-Mazumder

We present a fully self-consistent and relativistic calculation of the nucleon mean free path in nuclear matter and finite nuclei. Starting from the Bonn potential, the Dirac-Brueckner-Hartree-Fock results for nuclear matter are…

Nuclear Theory · Physics 2011-07-19 G. Q. Li , R. Machleidt , Y. Z. Zhuo

We have studied the effects of the nucleon weak magnetism and the neutrino electromagnetic properties on the neutrino and antineutrino mean free paths for all types of neutrinos. In the calculation, we consider matters with and without…

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

We report the results of a calculation of the response of cold neutron matter to neutral-current interactions with low energy neutrinos, carried out using an effective interaction and effective operators consistently derived within the…

Nuclear Theory · Physics 2015-06-17 Alessandro Lovato , Omar Benhar , Stefano Gandolfi , Cristina Losa

The Brussels-Montreal Skyrme functionals have been successful to describe properties of both finite nuclei and infinite homogeneous nuclear matter. In their latest version, these functionals have been equipped with two extra…

Nuclear Theory · Physics 2015-06-22 A. Pastore , M. Martini , D. Davesne , J. Navarro , S. Goriely , N. Chamel

The effects of the spin-orbit component of the particle-hole interaction on nuclear response functions and neutrino mean free path are examined. A complete treatment of the full Skyrme interaction in the case of symmetric nuclear matter and…

Nuclear Theory · Physics 2016-08-16 Jérôme Margueron , Jesus Navarro , Nguyen Van Giai

We calculate the mean free path of protons and neutrons in symmetric and asymmetric nuclear matter, based on microscopic in-medium nucleon-nucleon cross sections. Those are obtained from calculations of the G-matrix including relativistic…

Nuclear Theory · Physics 2008-11-26 Francesca Sammarruca
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