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Related papers: Exact solution to neutrino-plasma two-flavor dynam…

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A new model for the joint neutrino flavor and plasma oscillations is introduced, in terms of the dynamics of the neutrino flavor polarization vector in a plasma background. Fundamental solutions are found for both time-invariant and…

Plasma Physics · Physics 2013-08-01 José Tito Mendonça , Fernando Haas

In this paper, we present a real non-linear differential equation for the two flavor neutrino oscillation problem in matter with an arbitrary density profile. We also present an exact series solution to this non-linear differential…

High Energy Physics - Phenomenology · Physics 2015-06-25 Mattias Blennow , Tommy Ohlsson

We investigate the effective case of two-flavor neutrino oscillations in infinitely dense matter by using a perturbative approach. We begin by briefly summarizing the conditions for the three-flavor neutrino oscillation probabilities to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mattias Blennow , Tommy Ohlsson

A simple closed-form analytic expression for the probability of two-flavour neutrino oscillations in a matter with an arbitrary density profile is derived. Our formula is based on a perturbative expansion and allows an easy calculation of…

High Energy Physics - Phenomenology · Physics 2009-01-14 E. Kh. Akhmedov , Viviana Niro

The analogy between supersymmetric quantum mechanics and matter-enhanced neutrino oscillations is exploited to obtain exact solutions for a class of electron density profiles. This integrability condition is analogous to the…

High Energy Physics - Phenomenology · Physics 2009-12-30 A. B. Balantekin

We study the dynamical equations for two-family neutrino oscillations in a medium of continuously-varying density. We can find explicit solutions to these equations in terms of series of nested integrals. These solutions can serve as a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Paul M. Fishbane , Stephen G. Gasiorowicz

Motivated by tremendous progress in neutrino oscillation experiments, we derive a new set of simple and compact formulas for three-flavor neutrino oscillation probabilities in matter of a constant density. A useful definition of the…

High Energy Physics - Phenomenology · Physics 2016-12-28 Yu-Feng Li , Jue Zhang , Shun Zhou , Jing-yu Zhu

The matter-enhanced oscillations of two neutrino flavors are studied using a uniform semiclassical approximation. Unlike some analytic studies which have focused on certain exactly-solvable densities, this method can be used for an…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. B. Balantekin , J. F. Beacom

We present a unified approach which is accurate at all temperatures and densities for calculating the energy loss from a stellar plasma due to the plasma process, the decay of photons and plasmons into neutrino pairs. To allow efficient…

High Energy Physics - Phenomenology · Physics 2009-12-30 Eric Braaten , Daniel Segel

We present approximative solutions to the neutrino evolution equation calculated by different methods. In a two neutrino framework, using the physical parameters which gives the main effects to neutrino oscillations from nu{e} to another…

High Energy Physics - Phenomenology · Physics 2008-11-26 Verissimo M. de Aquino , J. S. S. de Oliveira

The most promising solution to the solar neutrino problem are neutrino oscillations, which usually are analyzed within the reduced 2-flavor scheme, because the solutions found therein reasonably well reproduce the recent data of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Helmut Schlattl

A recently published method for solving the neutrino evolution equation with constant matter density is further refined and used to lay out an exact algorithm for computing oscillation probabilities, which is moderately faster than previous…

High Energy Physics - Phenomenology · Physics 2024-04-29 James Page

In the work, we derive exact analytic expressions for $(3+N)$-flavor neutrino oscillation probabilities in an arbitrary matter potential in term of matrix elements and eigenvalues of the Hamiltonian. With the analytic expressions, we…

High Energy Physics - Phenomenology · Physics 2023-07-12 Chee Sheng Fong

Analyses of observable supernova neutrino oscillation effects require the calculation of the electron (anti)neutrino survival probability P_ee along a given supernova matter density profile. We propose a simple analytical prescription for…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. L. Fogli , E. Lisi , D. Montanino , A. Palazzo

We present one point of contact between the standard theory of neutrino oscillations and the alternative one, in which flavor neutrinos are described by states with definite masses. We show that both theories give the same results for…

High Energy Physics - Phenomenology · Physics 2009-09-29 Viliam Pazma , Julius Vanko , Juraj Chovan

The work investigates the coupling between ion-acoustic waves and neutrino flavor oscillations in a non-relativistic electron-ion plasma under the influence of a mixed neutrino beam. Neutrino oscillations are mediated by the flavor…

Plasma Physics · Physics 2017-02-01 Fernando Haas , Kellen Alves Pascoal , José Tito Mendonça

We present results of explicit asymptotic approximations applied to neutrino--electron scattering in a representative model of neutrino population evolution under conditions characteristic of core-collapse supernova explosions or binary…

High Energy Astrophysical Phenomena · Physics 2023-12-15 Aaron Lackey-Stewart , Raghav Chari , Adam Cole , Nick Brey , Kyle Gregory , Ryan Crowley , Mike Guidry , Eirik Endeve

We study two-flavor neutrino oscillations in a homogeneous and isotropic ensemble under the influence of neutrino-neutrino interactions. For any density there exist forms of collective oscillations that show self-maintained coherence. They…

High Energy Physics - Phenomenology · Physics 2021-09-14 Georg G. Raffelt

Research in neutrino physics has been very active, both in experimental advances, with a new generation of detectors in operation and planning, and in theoretical discussions regarding the fundamental nature of the neutrino. This scientific…

High Energy Physics - Phenomenology · Physics 2024-12-24 Adriano Cherchiglia , Macello Jales , Guilherme Nogueira , Maressa P. Sampaio , Pedro C. de Holanda

Spin-flavor oscillations of Dirac neutrinos in matter and a magnetic field are studied using the method of relativistic quantum mechanics. Using the exact solution of the wave equation for a massive neutrino, taking into account external…

High Energy Physics - Phenomenology · Physics 2012-02-13 Maxim Dvornikov
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