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We review our recent calculations of neutrino-antineutrino pair production from bremsstrahlung processes in hadronic collisions at temperature and densities relevant for core-collapse supernovae. We focus on neutron-neutron and…

Nuclear Theory · Physics 2016-06-22 Sonia Bacca , Rishi Sharma , Achim Schwenk

The energy radiated in supernova neutrinos is a fundamental quantity that is closely related to the gravitational binding energy of a neutron star. Recently the tidal deformability of neutron stars was constrained by gravitational wave…

High Energy Astrophysical Phenomena · Physics 2020-11-18 Brendan Reed , C. J. Horowitz

Diffuse neutrino fluxes attributed to two different physical processes in core collapse of massive stars are visited with their potentiality of exploring stellar physics more deeply being stressed. In this work, available models of thermal…

High Energy Astrophysical Phenomena · Physics 2026-02-24 Yosuke Ashida

The Fermi $\gamma$-ray space telescope reported the observation of several Galactic supernova remnants recently, with the $\gamma$-ray spectra well described by hadronic $pp$ collisions. The possible neutrino emissions from these Fermi…

High Energy Astrophysical Phenomena · Physics 2015-03-17 Qiang Yuan , Peng-Fei Yin , Xiao-Jun Bi

In this brief review we explore the role of neutrino-nucleus interactions in core-collapse supernovae and discuss open questions. In addition implications of neutrino mass and mixings in such environments are summarized.

Astrophysics · Physics 2008-11-26 A. B. Balantekin , G. M. Fuller

The remnant resulting from the merger of two neutron stars produces neutrinos in copious amounts. In this paper we present the neutrino emission results obtained via Newtonian, high-resolution simulations of the coalescence event. These…

Astrophysics · Physics 2011-07-18 S. Rosswog , M. Liebendoerfer

Neutrino emission caused by singlet Cooper pairing of baryons in neutron stars is recalculated by accurately taking into account for conservation of the vector weak currents. The neutrino emissivity via the vector weak currents is found to…

Astrophysics · Physics 2010-11-05 L. B. Leinson , A. Perez

The existence of the coherent neutrino-nucleus scattering reaction requires to evaluate, for any detector devoted to WIMP searches, the irreducible background due to conventional neutrino sources and at same time, it gives a unique chance…

High Energy Physics - Phenomenology · Physics 2018-08-22 Giovanni De Lellis , Antonia Di Crescenzo , Andrea Gallo Rosso , Valerio Gentile , Francesco Vissani

Core-collapse supernovae are the terminal explosions of massive stars. After successive phases of nuclear fusion proceeding up to silicon burning, these stars form an iron core that is supported by electron degeneracy pressure. The core…

High Energy Astrophysical Phenomena · Physics 2026-05-27 B. Mueller , B. Sykes

New facilities to measure neutrino-nucleus cross sections, such as those possible in conjunction with spallation neutron sources, could provide an experimental foundation for the many neutrino-nucleus weak interaction rates needed in…

Astrophysics · Physics 2008-11-26 W. R. Hix , A. Mezzacappa , O. E. B. Messer , S. W. Bruenn

The minimal cooling paradigm for neutron star cooling assumes that enhanced cooling due to neutrino emission from any direct Urca process, due either to nucleons or to exotica such as hyperons, Bose condensates, or deconfined quarks, does…

Solar and Stellar Astrophysics · Physics 2009-12-08 Dany Page , James M. Lattimer , Madappa Prakash , Andrew W. Steiner

The processes of neutrino (antineutrino) absorption and electron (positron) capture on nucleons provide the dominant mechanisms for heating and cooling the material between the protoneutron star and the stalled shock in a core-collapse…

Astrophysics · Physics 2009-11-10 Huaiyu Duan , Yong-Zhong Qian

I derive an upper bound on the electron neutrino component of the diffuse supernova neutrino flux from the constraint on the antineutrino component at SuperKamiokande. The connection between antineutrino and neutrino channels is due to the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Cecilia Lunardini

Neutrino emissivity from the electron $\nu\bar\nu$ bremsstrahlung in the liquid layers of the neutron star crusts is studied. Nuclear composition of matter in neutron star crusts is considered for various scenarios of neutron star…

Astrophysics · Physics 2011-05-23 P. Haensel , A. D. Kaminker , D. G. Yakovlev

The observation of neutrinos from Supernova 1987A has confirmed the theoretical conjecture that these particles play a crucial role during the collapse of the core of a massive star. Only one per cent of the energy they carry away from the…

Astrophysics · Physics 2007-05-23 H. -Th. Janka , W. Keil

Neutrinos play a key role in core-collapse supernova explosions. Carrying information from deep inside the stellar core, neutrinos are direct probes of the supernova mechanism. Intriguing recent developments on the role of neutrinos in…

High Energy Physics - Phenomenology · Physics 2016-04-26 Irene Tamborra

Signatures of neutrino and antineutrino signals from stellar collapse in heavy water detectors are contrasted with those in water detectors. The effects of mixing, especially due to the highly dense matter in the supernova core, are…

High Energy Physics - Phenomenology · Physics 2011-08-17 Gautam Dutta , D. Indumathi , M. V. N. Murthy , G. Rajasekaran

The electromagnetic polarizabilities of the nucleon are fundamental nucleon-structure observables that characterize its response to external electromagnetic fields. The neutron polarizabilities can be accessed from Compton-scattering data…

One of the important features of nuclear forces is their strong repulsive nature at short ($\le 0.5-0.6$~Fm) distances which prevents atomic nuclei from collapsing, thus guarantying the stability for the visible matter. However the…

Nuclear Theory · Physics 2025-04-10 Misak M Sargsian

Neutrino emission caused by Cooper pairing of baryons in neutron stars is recalculated by accurately taking into account for conservation of the vector weak current. The vector current contribution to the neutrino emissivity is found to be…

Astrophysics · Physics 2007-05-23 L. B. Leinson , A. Perez
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