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What did we learn out of SN1987A neutrino observations? What do we still need for a full understanding? We select important issues debated in the literature on SN1987A. We focus the discussion mostly on the relevance of certain data…

High Energy Physics - Phenomenology · Physics 2010-08-30 F. Vissani , M. L. Costantini , W. Fulgione , A. Ianni , G. Pagliaroli

We derive the event-by-event likelihood that allows to extract the complete information contained in the energy, time and direction of supernova neutrinos, and specify it in the case of SN1987A data. We resolve discrepancies in the previous…

High Energy Physics - Phenomenology · Physics 2009-09-01 A. Ianni , G. Pagliaroli , A. Strumia , F. R. Torres , F. L. Villante , F. Vissani

By adopting a state-of-the-art parameterized model of electron antineutrino emission, we have made some steps forward in the analysis of the thermodynamical properties and temporal structure of neutrino emission from core collapse SN1987A.…

High Energy Physics - Phenomenology · Physics 2025-01-20 Riccardo Maria Bozza , Vigilante di Risi , Giuseppe Matteucci , Veronica Oliviero , Giulia Ricciardi , Francesco Vissani

Twenty years after SN 1987A, the vast international programme of experimental neutrino physics and neutrino astronomy suggests that large detectors will operate for a long time. It is realistic that a high-statistics neutrino signal from a…

Astrophysics · Physics 2007-05-23 Georg G. Raffelt

The SN1987A detection through neutrinos was an event of great importance in neutrino physics, being the first detection of neutrinos created outside our solar system, and then inaugurating the era of experimental neutrino astronomy. The…

High Energy Physics - Phenomenology · Physics 2022-03-02 Marcos V. dos Santos , Pedro Cunha de Holanda

Neutrinos emitted from a supernova encode useful information about neutrino physics and astrophysics. Interpreting the neutrino signal depends crucially on understanding neutrino production, flavor mixing during propagation, and detection.…

High Energy Physics - Phenomenology · Physics 2011-04-22 Basudeb Dasgupta

The next Milky Way supernova will be an epochal event in multi-messenger astronomy, critical to tests of supernovae, neutrinos, and new physics. Realizing this potential depends on having realistic simulations of core collapse. We…

High Energy Astrophysical Phenomena · Physics 2025-05-12 Shirley Weishi Li , John F. Beacom , Luke F. Roberts , Francesco Capozzi

Supernova neutrinos are crucially important to probe the final phases of massive star evolution. As is well known from observations of SN1987A, neutrinos provide information on the physical conditions responsible for neutron star formation…

High Energy Astrophysical Phenomena · Physics 2019-08-23 Yudai Suwa , Kohsuke Sumiyoshi , Ken'ichiro Nakazato , Yasufumi Takahira , Yusuke Koshio , Masamitsu Mori , Roger A. Wendell

We compare model calculations with observations of supernovae at late times to infer the time evolution of temperature, ionization and line emission. Here we mainly report on our results from our modeling of SN 1987A. We discuss the oxygen…

Astrophysics · Physics 2007-05-23 Cecilia Kozma

I shall review some of the recent results concerning the astrophysics of a core collapse supernova (SN) and neutrino oscillations. Neutrinos play an important role in the SN explosion, and they also carry most of the energy of the collapse.…

High Energy Physics - Phenomenology · Physics 2009-11-10 Amol Dighe

Massive stars can explode as supernovae at the end of their life cycle, releasing neutrinos whose total energy reaches $10^{53}$ erg. Moreover, neutrinos play key roles in supernovae, heating and reviving the shock wave as well as cooling…

High Energy Astrophysical Phenomena · Physics 2022-06-03 Masamitsu Mori , Yudai Suwa , Ken'ichiro Nakazato , Kohsuke Sumiyoshi , Masayuki Harada , Akira Harada , Yusuke Koshio , Roger A. Wendell

Context: The detection of the diffuse supernova neutrino background may be imminent, but theoretical predictions are affected by substantial uncertainties. AIMS. We calculate the signal and its uncertainty with the present configuration of…

High Energy Astrophysical Phenomena · Physics 2012-02-09 Francesco Vissani , Giulia Pagliaroli

We analyze the data of Kamiokande-II, IMB, Baksan using a parameterized description of the antineutrino emission, that includes an initial phase of intense luminosity. The luminosity curve, the average energy of $\bar\nu_e$ and the…

Astrophysics · Physics 2008-10-02 F. Vissani , G. Pagliaroli

We introduce a novel parameterization of supernova neutrino energy spectra with a clear physical motivation. Its central parameter, $\tau(t)$, quantifies the characteristic thermal-diffusion area during the explosion. When applied to the…

High Energy Astrophysical Phenomena · Physics 2025-11-21 Haihao Shi , Zhenyang Huang , Junda Zhou , Guoliang Lü , Xuefei Chen

The present thesis aims to be an analysis of various aspects of neutrino phenomenology in two different scenarios. On the one hand, we address the study of non-standard neutrino interactions (NSI) in accelerator and reactor terrestrial…

High Energy Physics - Phenomenology · Physics 2009-12-11 Andreu Esteban-Pretel

Supernova 1987A was the closest supernova event to be observed in nearly 400 years. The outflowing ejecta from the explosion continues to interact with extended circumstellar material and with the equatorial ring (ER) in the triple ring…

Solar and Stellar Astrophysics · Physics 2025-10-16 Michael J. Barlow

We compare models of supernova (SN) neutrino emission with the Kamiokande II data on SN 1987A using the Bayesian approach. These models are taken from simulations and are representative of current 1D SN models. We find that models with a…

High Energy Astrophysical Phenomena · Physics 2022-01-24 Jackson Olsen , Yong-Zhong Qian

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

We discuss the importance of observing supernova neutrinos. By analyzing the SN1987A observations of Kamiokande-II, IMB and Baksan, we show that they provide a 2.5{\sigma} support to the standard scenario for the explosion. We discuss in…

High Energy Physics - Phenomenology · Physics 2015-05-19 F. Vissani , G. Pagliaroli , F. Rossi-Torres

Numerous estimates of upper bounds on the (anti)neutrino rest mass have been published based on the SN1987A observations. Here, we use a nonkinematic (thermal) time extent to provide a rest mass estimate of a few eV (as mc^2 mass), if not…

General Physics · Physics 2009-10-05 John Michael Williams
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