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Related papers: Neutrino Quantum Kinetics in Compact Objects

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Effects of decoherence by wave packet separation on collective neutrino oscillations in dense neutrino gases are considered. We estimate the length of the wave packets of neutrinos produced in core collapse supernovae and the expected…

High Energy Physics - Phenomenology · Physics 2017-09-21 Evgeny Akhmedov , Joachim Kopp , Manfred Lindner

We analyze new data from the COHERENT experiment of the coherent neutrino-nucleus scattering to investigate the electromagnetic interactions of neutrinos. With almost double the statistics and precision now, the statistical significance of…

High Energy Physics - Phenomenology · Physics 2023-01-09 Amir N. Khan

We have developed a model to describe the interactions of neutrinos with nucleons and nuclei via charged and neutral currents, focusing on the region of the quasielastic and Delta(1232) peaks. For neutrino nucleon collisions a fully…

Nuclear Theory · Physics 2009-11-11 T. Leitner , L. Alvarez-Ruso , U. Mosel

Neutrino-neutrino scattering could have a large secret component that would turn neutrinos within a supernova (SN) core into a self-coupled fluid. Neutrino transport within the SN core, emission from its surface, expansion into space, and…

High Energy Physics - Phenomenology · Physics 2024-01-12 Damiano F. G. Fiorillo , Georg Raffelt , Edoardo Vitagliano

We present a covariant ray tracing algorithm for computing high-resolution neutrino distributions in general relativistic numerical spacetimes with hydrodynamical sources. Our formulation treats the very important effect of elastic…

High Energy Astrophysical Phenomena · Physics 2018-11-21 M. Brett Deaton , Evan O'Connor , Y. L. Zhu , Andy Bohn , Jerred Jesse , Francois Foucart , Matthew D. Duez , G. C. McLaughlin

The advent of very high intensity neutrino beams for the study of neutrino oscillations has also made possible a new generation of experiments which will study neutrino interactions on different nuclei with unprecedented precision. The use…

Nuclear Experiment · Physics 2011-11-15 Ronald D. Ransome

We discuss the formation of stellar mass black holes via protoneutron star (PNS) collapse. In the absence of an earlier explosion, the PNS collapses to a black hole due to the continued mass accretion onto the PNS. We present an analysis of…

Astrophysics · Physics 2015-05-13 T. Fischer , S. C. Whitehouse , A. Mezzacappa , F. -K. Thielemann , M. Liebendörfer

We study the merger of black hole-neutron star binaries by fully general-relativistic neutrino-radiation-hydrodynamics simulations throughout the coalescence, particularly focusing on the role of neutrino irradiation in dynamical mass…

High Energy Astrophysical Phenomena · Physics 2018-01-23 Koutarou Kyutoku , Kenta Kiuchi , Yuichiro Sekiguchi , Masaru Shibata , Keisuke Taniguchi

We discuss the implementation of the nuclear model based on realistic nuclear spectral functions in the GENIE neutrino interaction generator. Besides improving on the Fermi gas description of the nuclear ground state, our scheme involves a…

High Energy Physics - Experiment · Physics 2014-11-19 C. -M. Jen , A. Ankowski , O. Benhar , A. P. Furmanski , L. N. Kalousis , C. Mariani

The effect of the heating of neutrinos by scattering with electrons and positrons and by e-e+ annihilation on nucleosynthesis is calculated for a spherically symmetric baryon inhomogeneous model of the universe. The model has a high baryon…

Astrophysics · Physics 2009-11-06 J. F. Lara

We study decoherence effects in neutrino flavour oscillations in curved spacetime with particular emphasis on the lensing in a Schwarzschild geometry. Assuming Gaussian wave packets for neutrinos, we argue that the decoherence length…

High Energy Physics - Phenomenology · Physics 2021-11-12 Himanshu Swami , Kinjalk Lochan , Ketan M. Patel

Presently, there are several experimental setups dedicated to rare event searches, such as dark matter interactions or double beta decay, in the building or commissioning phases. These experiments often use large mass detectors and have…

High Energy Astrophysical Phenomena · Physics 2012-11-08 Carlos Martinez Amaya , Matteo Biassoni

We investigate the impact of unparticle physics on the annihilation of relic neutrinos with the neutrinos identified as primary source of ultra high energy (UHE) cosmic ray events, producing a cascade of photons and charged particles. We…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sukanta Dutta , Ashok Goyal

The flavor evolution of neutrinos in core collapse supernovae and neutron star mergers is a critically important unsolved problem in astrophysics. Following the electron flavor evolution of the neutrino system is essential for calculating…

High Energy Physics - Phenomenology · Physics 2023-12-29 Evan Grohs , Sherwood Richers , Sean M. Couch , Francois Foucart , James P. Kneller , G. C. McLaughlin

Core-collapse supernovae are powerful neutrino sources. The observation of a future (extra-)galactic supernova explosion or of the relic supernova neutrinos might provide important information on the supernova dynamics, on the supernova…

Astrophysics · Physics 2009-11-13 J. Gava , C. Volpe

We discuss a novel effect in neutrinoless double beta (0{\nu}{\beta}{\beta}) decay related with the fact that its underlying mechanisms take place in the nuclear matter environment. We study the neutrino exchange mechanism and demonstrate…

High Energy Physics - Phenomenology · Physics 2014-04-23 S. Kovalenko , M. I. Krivoruchenko , F. Simkovic

We present an updated analysis of the coherent neutrino-nucleus elastic scattering data of the COHERENT experiment taking into account the new quenching factor published recently in Phys. Rev. D100, 033003 (2019). Through a fit of the…

High Energy Physics - Phenomenology · Physics 2020-02-26 M. Cadeddu , F. Dordei , C. Giunti , Y. F. Li , Y. Y. Zhang

Neutrino-nucleus $\nu A\to \nu A$ and antineutrino-nucleus $\bar\nu A\to \bar\nu A$ interactions, when the nucleus conserves its integrity, are discussed with coherent (elastic) and incoherent (inelastic) scattering regimes taken into…

High Energy Physics - Phenomenology · Physics 2019-04-08 Vadim A. Bednyakov , Dmitry V. Naumov

We derive a series of moment equations describing the motion and flavor transformation of neutrinos in supernova. We find a particular series of moments of neutrino density matrix in supernova. The emission angle distribution of neutrinos…

High Energy Physics - Phenomenology · Physics 2009-06-23 Wei Liao

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
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