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Related papers: The diffuse supernova neutrino background: Expecta…

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Using the neutrino telescope AMANDA-II, we have conducted two analyses searching for neutrino-induced cascades from gamma-ray bursts. No evidence of astrophysical neutrinos was found, and limits are presented for several models. We also…

Astrophysics · Physics 2011-08-31 IceCube Collaboration , A. Achterberg

Flux spectrum, event rate, and experimental sensitivity are investigated for the diffuse supernova neutrino background (DSNB), which originates from past stellar collapses and is also known as a supernova relic neutrino background. For this…

High Energy Astrophysical Phenomena · Physics 2024-10-30 Ken'ichiro Nakazato , Ryuichiro Akaho , Yosuke Ashida , Takuji Tsujimoto

The signal produced in neutrino observatories by the pair-annihilation neutrinos emitted from a 20 $M_{\odot}$ pre-supernova star at the silicon burning phase is estimated. The spectrum of the neutrinos with an average energy $\sim$2 MeV is…

Astrophysics · Physics 2007-05-23 A. Odrzywolek , M. Misiaszek , M. Kutschera

This talk reports the latest indications of an anomaly in the measurements of atmospheric neutrinos. New results from Soudan-2 and Super-Kamiokande provide evidence that the ratio of nu_mu to nu_e interactions is not as expected. High…

High Energy Physics - Experiment · Physics 2009-10-31 Edward Kearns

A new method to study the effects of neutrino masses on a supernova neutrino signal is proposed. The method relies exclusively on the analysis of the full statistics of neutrino events, it is independent of astrophysical assumptions, and…

Astrophysics · Physics 2009-11-10 Enrico Nardi , Jorge I. Zuluaga

We present results of a study of neutrino oscillation based on a 766 ton-year exposure of KamLAND to reactor anti-neutrinos. We observe 258 \nuebar\ candidate events with energies above 3.4 MeV compared to 365.2 events expected in the…

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

We implement the Bayesian inference to retrieve energy spectra of all neutrinos from a galactic core-collapse supernova (CCSN). To achieve high statistics and full sensitivity to all flavours of neutrinos, we adopt a combination of several…

High Energy Physics - Phenomenology · Physics 2023-09-26 Xu-Run Huang , Chuan-Le Sun , Lie-Wen Chen , Jun Gao

We consider the time, angular and energy distributions of SN1987A events discussing the quality of their agreement with the expectations. A global interpretation is performed considering a simple model, based on the standard scenario for…

Astrophysics · Physics 2014-11-18 Giulia Pagliaroli , Francesco Vissani

The $\nu_\mu$ and $\nu_\tau$ neutrinos (and their antiparticles) from a Galactic core-collapse supernova can be observed in a water-\v{C}erenkov detector by the neutral-current excitation of $^{16}$O. The number of events expected is…

High Energy Physics - Phenomenology · Physics 2010-11-30 J. F. Beacom , P. Vogel

This paper presents the recent results from Super-Kamiokande atmospheric neutrinos and from K2K accelerator neutrinos. Both results show the signal of neutrino oscillation, and provide new and precise information of oscillation parameters.…

High Energy Physics - Experiment · Physics 2007-05-23 T. Nakaya

Within the standard 3nu mass-mixing framework, we present an up-to-date global analysis of neutrino oscillation data (as of January 2016), including the latest available results from experiments with atmospheric neutrinos (Super-Kamiokande…

High Energy Physics - Phenomenology · Physics 2016-06-22 F. Capozzi , E. Lisi , A. Marrone , D. Montanino , A. Palazzo

We discuss the impact of recent experimental results on the determination of atmospheric neutrino oscillation parameters. We use all published results on atmospheric neutrinos, including the preliminary large statistics data of…

High Energy Physics - Phenomenology · Physics 2009-09-17 M. C. Gonzalez-Garcia , H. Nunokawa , O. L. G. Peres , T. Stanev , J. W. F. Valle

The excess of solar-neutrino events above 13 MeV that has been recently observed by Superkamiokande can be explained by the vacuum oscillation solution to the Solar Neutrino Problem (SNP). If the boron neutrino flux is 20% smaller than the…

High Energy Physics - Phenomenology · Physics 2011-01-04 V. Berezinsky , G. Fiorentini , M. Lissia

We report on a search for electro-magnetic and/or hadronic showers (cascades) induced by high energy neutrinos in the data collected with the AMANDA II detector during the year 2000. The observed event rates are consistent with the…

Astrophysics · Physics 2008-11-26 the AMANDA Collaboration , M. Ackermann

Neutrinos from supernovae, especially those emitted during the late phase of core collapse, are essential for understanding the final stages of massive star evolution. We have been dedicated to developing methods for the analysis of…

A search for a diffuse flux of astrophysical muon neutrinos, using data collected by the ANTARES neutrino telescope from December 2007 to December 2009 is presented. A $(0.83\times 2\pi)$ sr sky was monitored for a total of 334 days of…

High Energy Astrophysical Phenomena · Physics 2015-03-17 Simone Biagi

The next supernova in our galaxy will be detected by a variety of neutrino detectors. In this lecture I discuss the set of observables needed to constrain the models of supernova neutrino emission. They are the flux normalizations, and…

Nuclear Theory · Physics 2009-11-07 P. Vogel

Future large liquid-scintillator (LS) detectors are competitive with and complementary to the water-Cherenkov detectors on the searches for diffuse supernova neutrino background and nucleon decay. In a companion paper, we have performed a…

High Energy Physics - Experiment · Physics 2021-03-17 Jie Cheng , Yu-Feng Li , Hao-Qi Lu , Liang-Jian Wen

The e- and e+ energy spectra from the SN1987A Supernova neutrino burst interactions are calculated and compared to the observed spectra in Kamiokande-II and IMB experiments. Neutrino oscillations in Supernova and regeneration effects in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Bekman , J. Holeczek , J. Kisiel

The effects of three-flavor neutrino oscillation on the supernova neutrino spectrum are studied. We calculate the expected event rate and energy spectra, and their time evolution at the Superkamiokande (SK) and the Sudbury Neutrino…

High Energy Physics - Phenomenology · Physics 2010-05-28 K. Takahashi , M. Watanabe , K. Sato , T. Totani