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The diffuse supernova neutrino background (DSNB) is the constant flux of neutrinos and antineutrinos emitted by all past core collapses in the observable Universe. We study the potential to extract information on the neutrino lifetime from…

High Energy Physics - Phenomenology · Physics 2024-01-29 Pilar Iváñez-Ballesteros , M. Cristina Volpe

The Diffuse Supernova Neutrino Background (DSNB) provides an immediate opportunity to study the emission of MeV thermal neutrinos from core-collapse supernovae. The DSNB is a powerful probe of stellar and neutrino physics, provided that the…

Astrophysics · Physics 2009-05-01 Shunsaku Horiuchi , John F. Beacom , Eli Dwek

The Diffuse Supernova Neutrino Background (DSNB) -- a probe of the core-collapse mechanism and the cosmic star-formation history -- has not been detected, but its discovery may be imminent. A significant obstacle for DSNB detection in…

High Energy Physics - Phenomenology · Physics 2024-05-07 Bei Zhou , John F. Beacom

Neutrinos traveling over cosmic distances are ideal probes of new physics. We leverage on the approaching detection of the diffuse supernova neutrino background (DSNB) to explore whether, if the DSNB showed departures from theoretical…

High Energy Astrophysical Phenomena · Physics 2025-01-03 Miller MacDonald , Pablo Martínez-Miravé , Irene Tamborra

The Hyper-Kamiokande (HyperK) experiment is expected to precisely measure the Diffuse Supernova Neutrino Background (DSNB). This requires that the backgrounds in the relevant energy range are well understood. One possible background that…

High Energy Physics - Phenomenology · Physics 2022-12-01 Nicole F. Bell , Matthew J. Dolan , Sandra Robles

The upcoming Hyper-Kamiokande (HyperK) experiment is expected to detect the Diffuse Supernova Neutrino Background (DSNB). This requires to ponder all possible sources of background. Sub-GeV dark matter (DM) which annihilates into neutrinos…

High Energy Physics - Phenomenology · Physics 2023-07-07 Sandra Robles

The Diffuse Supernova Neutrino Background (DSNB) is the collection of neutrinos from all core-collapse supernovae (CCSNe) since the beginning of the universe. It is sensitive to the universe's stellar formation history, the fraction of…

High Energy Physics - Experiment · Physics 2025-01-16 Andrew D. Santos

The Diffuse Supernova Neutrino Background (DSNB) is the weak glow of MeV neutrinos and antineutrinos from distant core-collapse supernovae. The DSNB has not been detected yet, but the Super-Kamiokande (SK) 2003 upper limit on the electron…

High Energy Astrophysical Phenomena · Physics 2011-02-18 John F. Beacom

The detection of the diffuse supernova neutrino background (DSNB) will preciously contribute to gauge the properties of the core-collapse supernova population. We estimate the DSNB event rate in the next-generation neutrino detectors,…

High Energy Astrophysical Phenomena · Physics 2018-05-30 Klaes Moller , Anna M. Suliga , Irene Tamborra , Peter B. Denton

Although Galactic core-collapse supernovae (SNe) only happen a few times per century, every hour a vast number of explosions happen in the whole universe, emitting energy in the form of neutrinos, resulting in the diffuse supernova neutrino…

High Energy Physics - Phenomenology · Physics 2021-05-20 Zahra Tabrizi , Shunsaku Horiuchi

Core-collapse supernovae are among the most powerful explosions in the universe, emitting thermal neutrinos that carry away the majority of the gravitational binding energy released. These neutrinos create a diffuse supernova neutrino…

High Energy Astrophysical Phenomena · Physics 2025-10-09 Shin'ichiro Ando , Nick Ekanger , Shunsaku Horiuchi , Yusuke Koshio

I review the physics of the Diffuse Supernova Neutrino flux (or Background, DSNB), in the context of future searches at the next generation of neutrino observatories. The theory of the DSNB is discussed in its fundamental elements, namely…

Cosmology and Nongalactic Astrophysics · Physics 2016-05-24 Cecilia Lunardini

Neutrinos being massive could undergo non-radiative decay, a property for which the diffuse supernova neutrino background has a unique sensitivity. We extend previous analyses to explore our ability to disentangle predictions for the…

High Energy Physics - Phenomenology · Physics 2024-12-20 Noah Roux , M. Cristina Volpe

A new search for the diffuse supernova neutrino background (DSNB) flux has been conducted at Super-Kamiokande (SK), with a $22.5\times2970$-kton$\cdot$day exposure from its fourth operational phase IV. The new analysis improves on the…

High Energy Astrophysical Phenomena · Physics 2021-12-20 Kamiokande Collaboration , K. Abe , C. Bronner , Y. Hayato , K. Hiraide , M. Ikeda , S. Imaizumi , J. Kameda , Y. Kanemura , Y. Kataoka , S. Miki , M. Miura , S. Moriyama , Y. Nagao , M. Nakahata , S. Nakayama , T. Okada , K. Okamoto , A. Orii , G. Pronost , H. Sekiya , M. Shiozawa , Y. Sonoda , Y. Suzuki , A. Takeda , Y. Takemoto , A. Takenaka , H. Tanaka , S. Watanabe , T. Yano , S. Han , T. Kajita , K. Okumura , T. Tashiro , J. Xia , G. D. Megias , D. Bravo-Bergu , L. Labarga , Ll. Marti , B. Zaldivar , B. W. Pointon , F. d. M. Blaszczyk , E. Kearns , J. L. Raaf , J. L. Stone , L. Wan , T. Wester , J. Bian , N. J. Griskevich , W. R. Kropp , S. Locke , S. Mine , M. B. Smy , H. W. Sobel , V. Takhistov , J. Hill , J. Y. Kim , I. T. Lim , R. G. Park , B. Bodur , K. Scholberg , C. W. Walter , S. Cao , L. Bernard , A. Coffani , O. Drapier , S. El Hedri , A. Giampaolo , M. Gonin , Th. A. Mueller , P. Paganini , B. Quilain , T. Ishizuka , T. Nakamura , J. S. Jang , J. G. Learned , L. H. V. Anthony , D. Martin , M. Scott , A. A. Sztuc , Y. Uchida , V. Berardi , M. G. Catanesi , E. Radicioni , N. F. Calabria , L. N. Machado , G. De Rosa , G. Collazuol , F. Iacob , M. Lamoureux , M. Mattiazzi , N. Ospina , L. Ludovici , Y. Maekawa , Y. Nishimura , M. Friend , T. Hasegawa , T. Ishida , T. Kobayashi , M. Jakkapu , T. Matsubara , T. Nakadaira , K. Nakamura , Y. Oyama , K. Sakashita , T. Sekiguchi , T. Tsukamoto , Y. Kotsar , Y. Nakano , H. Ozaki , T. Shiozawa , A. T. Suzuki , Y. Takeuchi , S. Yamamoto , A. Ali , Y. Ashida , J. Feng , S. Hirota , T. Kikawa , M. Mori , T. Nakaya , R. A. Wendell , K. Yasutome , P. Fernandez , N. McCauley , P. Mehta , K. M. Tsui , Y. Fukuda , Y. Itow , H. Menjo , T. Niwa , K. Sato , M. Tsukada , J. Lagoda , S. M. Lakshmi , P. Mijakowski , J. Zalipska , J. Jiang , C. K. Jung , C. Vilela , M. J. Wilking , C. Yanagisawa , K. Hagiwara , M. Harada , T. Horai , H. Ishino , S. Ito , H. Kitagawa , Y. Koshio , W. Ma , N. Piplani , S. Sakai , G. Barr , D. Barrow , L. Cook , A. Goldsack , S. Samani , D. Wark , F. Nova , T. Boschi , F. Di Lodovico , J. Gao , J. Migenda , M. Taani , S. Zsoldos , J. Y. Yang , S. J. Jenkins , M. Malek , J. M. McElwee , O. Stone , M. D. Thiesse , L. F. Thompson , H. Okazawa , S. B. Kim , J. W. Seo , I. Yu , K. Nishijima , M. Koshiba , K. Iwamoto , K. Nakagiri , Y. Nakajima , N. Ogawa , M. Yokoyama , K. Martens , M. R. Vagins , M. Kuze , S. Izumiyama , T. Yoshida , M. Inomoto , M. Ishitsuka , H. Ito , T. Kinoshita , R. Matsumoto , K. Ohta , M. Shinoki , T. Suganuma , A. K. Ichikawa , K. Nakamura , J. F. Martin , H. A. Tanaka , T. Towstego , R. Akutsu , V. Gousy-Leblanc , M. Hartz , A. Konaka , P. de Perio , N. W. Prouse , S. Chen , B. D. Xu , Y. Zhang , M. Posiadala-Zezula , D. Hadley , M. O'Flaherty , B. Richards , B. Jamieson , J. Walker , A. Minamino , K. Okamoto , G. Pintaudi , S. Sano , R. Sasaki

The diffuse cosmic supernova neutrino background (DSNB) is observational target of the gadolinium-loaded Super-Kamiokande (SK) detector and the forthcoming JUNO and Hyper-Kamiokande detectors. Current predictions are hampered by our still…

High Energy Astrophysical Phenomena · Physics 2021-03-24 Daniel Kresse , Thomas Ertl , Hans-Thomas Janka

A statistically significant detection of the diffuse supernova neutrino background (DSNB) is around the corner. To this purpose, we assess the contribution to the DSNB of magnetorotational collapses of massive stars, relying on a suite of…

High Energy Astrophysical Phenomena · Physics 2024-11-01 Pablo Martínez-Miravé , Irene Tamborra , Miguel Ángel Aloy , Martin Obergaulinger

The sensitivity of current and future neutrino detectors like Super-Kamiokande (SK), JUNO, Hyper-Kamiokande (HK), and DUNE is expected to allow for the detection of the diffuse supernova neutrino background (DSNB). However, the DSNB model…

High Energy Astrophysical Phenomena · Physics 2024-11-15 Nick Ekanger , Shunsaku Horiuchi , Hiroki Nagakura , Samantha Reitz

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

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

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
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