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The neutrino flux and spectra formation in a supernova core is studied by using a Monte Carlo code. The dominant opacity contribution for nu_mu and nu_tau is elastic scattering on nucleons. In addition we switch on or off a variety of…

Astrophysics · Physics 2009-11-07 Mathias Th. Keil , Georg G. Raffelt , Hans-Thomas Janka

We present a model of neutrino oscillations in the framework of quantum field theory in which the propagating neutrino and the particles participating to the production and detection processes are described by wave packets. The neutrino…

High Energy Physics - Phenomenology · Physics 2011-07-18 C. Giunti

We examine the dependence of event rates at neutrino telescopes on the neutrino-nucleon cross section for neutrinos with energy above 1 PeV, and contrast the results with those for cosmic ray experiments. Simple scaling of the Standard…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Hussain , D. Marfatia , D. W. McKay , D. Seckel

I discuss some problems connected with the high precision study of neutrino oscillations. In the general case of $n$-neutrino mixing I derive a convenient expression for transition probability in which only independent terms (and…

High Energy Physics - Phenomenology · Physics 2015-02-24 S. M. Bilenky

The charged current cross section for neutrinos with energy of a few GeV is reanalysed. In this energy range the cross section for the lowest multiplicity exclusive channels is an important fraction of $\sigma_{CC}$ and the approximation of…

High Energy Physics - Phenomenology · Physics 2011-07-19 Paolo Lipari , Maurizio Lusignoli , Francesca Sartogo

A novel method to look for neutrino oscillations is proposed based on the elastic scattering process $\bar{\nu}_{i} e^{-}\rightarrow \bar{\nu}_{i} e^{-}$, taking advantage of the dynamical zero present in the differential cross section for…

High Energy Physics - Phenomenology · Physics 2016-08-14 J. Segura , J. Bernabéu , F. J. Botella , J. A. Peñarrocha

Neutrinos, and primarily neutrino oscillations, have undoubtedly been one of the most exciting topics in the field of high-energy physics over the past few years. The existence of neutrino oscillations would require an extension of the…

High Energy Physics - Experiment · Physics 2009-12-08 A. De Santo

We calculate neutrino cross sections from neutral current reactions in dense matter containing hyperons. We show that Sigma- hyperons give significant contributions. To lowest order, the contributions from the neutral Lambda and Sigma0,…

Astrophysics · Physics 2008-02-03 Sanjay Reddy , Madappa Prakash

The kinematic lower bound for the single scattering of neutrons produced in DT fusion reactions produces a backscatter edge in the measured neutron spectrum. The energy spectrum of backscattered neutrons is dependent on the scattering ion…

The neutrino-nucleon scattering in a collapsing star envelope with a strong magnetic field is investigated. The transferred by neutrinos momentum asymmetry along the field direction is obtained. It is shown that the neutrino-nucleon…

Astrophysics · Physics 2007-05-23 A. A. Gvozdev , I. S. Ognev

The quasi-elastic neutrino-nucleus cross section has been calculated by using a Fermi gas model corrected to consider the re-scattering between the emitted nucleon and the rest nucleus. As an example of the relevance of this effect we show…

Nuclear Theory · Physics 2009-11-07 G. Co' , C. Bleve , I. De Mitri , D. Martello

This study presents a comprehensive model for neutrino deep inelastic scattering (DIS) cross sections spanning energies from 50 GeV to 5$\times10^{12}$ GeV with an emphasis on applications to neutrino telescopes. We provide calculations of…

High Energy Physics - Phenomenology · Physics 2024-08-13 Philip L. R. Weigel , Janet M. Conrad , Alfonso Garcia-Soto

The cross sections of elastic neutrino scattering on electrons and nuclei in the regime of low-energy transfer are known to be very sensitive to neutrino electromagnetic properties. In particular, the magnetic moment of the neutrino can be…

High Energy Physics - Phenomenology · Physics 2022-03-08 Georgy Donchenko , Konstantin Kouzakov , Alexander Studenikin

Supernova neutrinos could be well-suited for probing neutrino decay, since decay may be observed even for very small decay rates or coupling constants. We will introduce an effective operator framework for the combined description of…

Astrophysics · Physics 2009-11-06 Manfred Lindner , Tommy Ohlsson , Walter Winter

Geo-reactor models suggest the existence of natural nuclear reactors at different deep-earth locations with loosely defined output power. Reactor fission products undergo beta decay with the emission of electron antineutrinos, which…

Nuclear Experiment · Physics 2010-02-09 S. T. Dye

We discuss a problem concerning the ultrahigh energy neutrino propagation through the Earth. We present calculation of the neutrino-nucleon cross section at high energies, based on the unifed evolution equation at small x. We also show the…

High Energy Physics - Phenomenology · Physics 2016-09-06 J. Kwiecinski , A. D. Martin , A. M. Stasto

In the theory of resonant scattering, the double differential cross section involves the computation of a multifold integral of a 4-point correlation function, which generalizes the traditional 2-point correlation function of Van-Hove for…

Other Condensed Matter · Physics 2007-09-19 Arnaud Courcelle , John Rowlands

The charged-current double differential neutrino cross section, measured by the MiniBooNE Collaboration, has been analyzed using a microscopical model that accounts for, among other nuclear effects, long range nuclear (RPA) correlations and…

High Energy Physics - Phenomenology · Physics 2015-05-28 J. Nieves , I. Ruiz Simo , M. J. Vicente Vacas

Nuclear surface provides useful information on nuclear radius, nuclear structure as well as properties of nuclear matter. We discuss the relationship between the nuclear surface diffuseness and elastic scattering differential cross section…

Nuclear Theory · Physics 2018-06-13 S. Hatakeyama , W. Horiuchi , A. Kohama

A thorough understanding of neutrino-nucleus scattering physics is crucial for the successful execution of the entire US neutrino physics program. Neutrino-nucleus interaction constitutes one of the biggest systematic uncertainties in…