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Related papers: Neutrinos from Diffuse Supernova Background

200 papers

We revisit the possibility that neutrinos undergo non-radiative decay. We investigate the potential to extract information on the neutrino lifetime-to-mass ratio from the diffuse supernova neutrino background. To this aim, we explicitly…

High Energy Physics - Phenomenology · Physics 2023-02-01 Pilar Ivanez-Ballesteros , M. Cristina Volpe

I address the question of what can be learned from the observation of the diffuse supernova neutrino flux in the precision phase, at next generation detectors of Megaton scale. An analytical study of the spectrum of the diffuse flux shows…

Astrophysics · Physics 2008-11-26 Cecilia Lunardini

Sources of ultrahigh energy photons operating at high red shift produce a diffuse background of neutrinos. At high red shift, when the cosmic microwave background radiation has a higher temperature, an electromagnetic cascade originated by…

High Energy Physics - Phenomenology · Physics 2009-11-07 Marieke Postma

We study the expected diffuse cosmic neutrino flux produced by Population III (PopIII) stars during their nuclear burning phases as well as from their final stages of evolution (core collapse). Assuming a fraction f_III=10^(-3) of all…

Astrophysics · Physics 2009-11-10 F. Iocco , G. Mangano , G. Miele , G. G. Raffelt , P. D. Serpico

A search has been made for neutrinos from the hep reaction in the Sun and from the diffuse supernova neutrino background (DSNB) using data collected during the first operational phase of the Sudbury Neutrino Observatory, with an exposure of…

High Energy Physics - Experiment · Physics 2012-08-27 The SNO Collaboration

The future detection and measurement of the diffuse neutrino supernova background will shed light on the rate of supernovae events in the Universe, the star formation rate and the neutrino spectrum from each supernova. Little has been said…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-09 J. Barranco , Argelia Bernal , D. Delepine

The large-volume liquid-scintillator detector LENA (Low Energy Neutrino Astronomy) will provide high-grade background discrimination and enable the detection of diffuse supernova neutrinos (DSN) in an almost background-free energy window…

Earth neutrino tomography is a realistic possibility with current and future neutrino detectors, complementary to geophysics methods. The two main approaches are based on either partial absorption of the neutrino flux as it propagates…

High Energy Physics - Phenomenology · Physics 2024-08-05 Rasmi Hajjar , Olga Mena , Sergio Palomares-Ruiz

In the absence of high-statistics supernova neutrino measurements, estimates of the diffuse supernova neutrino background (DSNB) hinge on the precision of simulations of core-collapse supernovae. Understanding the cooling phase of…

High Energy Astrophysical Phenomena · Physics 2023-02-15 Nick Ekanger , Shunsaku Horiuchi , Kei Kotake , Kohsuke Sumiyoshi

Intense fluxes of neutrinos are emitted by the hot neutron star produced in a supernova. The electron neutrino and antineutrino capture reactions on neutrons and protons, respectively, provide heating to drive a wind from the hot neutron…

Astrophysics · Physics 2009-10-31 Yong-Zhong Qian

The coherent elastic neutrino-nucleus scattering (CEvNS) plays a crucial role at the final evolution of stars. The detection of it would be of importance in astroparticle physics. Among all available neutrino sources, galactic supernovae…

Instrumentation and Detectors · Physics 2017-01-25 XMASS Collaboration

A few times a century, a core collapse supernova (CCSN) occurs in our galaxy. When such galactic CCSNe happen, over 99\% of its gravitational binding energy is released in the form of neutrinos. Over a period of tens of seconds, a powerful…

Instrumentation and Methods for Astrophysics · Physics 2019-01-08 Christopher W. Walter , Daniel M. Scolnic , Anže Slosar

The coherent contribution of all neutrons in neutrino nucleus scattering due to the neutral current is examined considering the boron solar neutrinos. These neutrinos could potentially become a source of background in the future dark matter…

High Energy Physics - Phenomenology · Physics 2009-05-01 J. D. Vergados , H. Ejiri , I. Giomataris

We study high-energy (HE) neutrino production from interactions between supernova (SN) ejecta and the surrounding circumstellar material (CSM), focusing on regular Type~II and Type~IIn SNe. Using observationally inferred CSM density…

High Energy Astrophysical Phenomena · Physics 2026-01-21 Yi-Long Duan , Tuohuniyazi Tuniyazi , Gang Guo

Neutrinos are the most elusive particles in our universe. They have masses at least one million times smaller than the electron mass, carry no electric charge, and very weakly interact with other particles, meaning they are rarely captured…

High Energy Physics - Phenomenology · Physics 2015-04-20 Tommy Ohlsson , Shun Zhou

Neutrino-nucleus coherent elastic scattering provides a theoretically appealing way to measure the neutron part of nuclear form factors. Using an expansion of form factors into moments, we show that neutrinos from stopped pions can probe…

Nuclear Theory · Physics 2013-05-30 Kelly Patton , Jonathan Engel , Gail C. McLaughlin , Nicolas Schunck

In the standard supernova picture, type Ib/c and type II supernovae are powered by the potential energy released in the collapse of the core of a massive star. In studying supernovae, we primarily focus on the ejecta that makes it beyond…

Astrophysics · Physics 2009-06-23 Chris L. Fryer

Non-standard neutrino interactions with a massive boson can produce the bosons in the core of core-collapse supernovae (SNe). After the emission of the bosons from the SN core, their subsequent decays into neutrinos can modify the SN…

High Energy Physics - Phenomenology · Physics 2022-12-28 Kensuke Akita , Sang Hui Im , Mehedi Masud

The observed dark matter abundance in the Universe can be explained with non-thermal, heavy dark matter models. In order for dark matter to still be present today, its lifetime has to far exceed the age of the Universe. In these scenarios,…

High Energy Astrophysical Phenomena · Physics 2021-07-27 Minjin Jeong

Neutrinos produced in the hot and dense interior of the next galactic supernova would be visible at dark matter experiments in coherent elastic nuclear recoils. While studies on this channel have focused on successful core-collapse…

High Energy Physics - Phenomenology · Physics 2020-04-15 Nirmal Raj