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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) -- 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

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) 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 Universe is awash with tens-of-MeV neutrinos of all species coming from all past core-collapse supernovae. These have never been observed, but this state of affairs will change in the near future. In the less than ten years, the…

High Energy Physics - Phenomenology · Physics 2021-01-04 André de Gouvêa , Ivan Martinez-Soler , Yuber F. Perez-Gonzalez , Manibrata Sen

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

We estimate the Diffuse Supernova Neutrino Background (DSNB) using the simulation results for neutron star-forming and black hole-forming stellar collapses from the Garching group. Scenarios with different distributions of black-hole…

High Energy Astrophysical Phenomena · Physics 2017-11-27 Alankrita Priya , Cecilia Lunardini

We consider neutrinos scattering off Milky Way dark matter and the impact of this scattering on supernovae neutrinos. This can take the form of attenuation on the initial flux of neutrinos and a time-delayed flux of scattered neutrinos.…

High Energy Physics - Phenomenology · Physics 2026-01-08 Garv Chauhan , R. Andrew Gustafson , Gonzalo Herrera , Taj Johnson , Ian Shoemaker

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

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

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

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

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 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 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

Recent Super-Kamiokande analyses of the diffuse supernova neutrino background, based on data across all SK phases, indicate a mild preference over the zero-DSNB hypothesis at the level of about $2.3\sigma$ with electron-like antineutrino…

High Energy Physics - Phenomenology · Physics 2026-05-28 Motoi Endo , Yushi Mura , Tenta Tsuji

The diffuse supernova neutrino background (DSNB) is a powerful future tool to constrain core-collapse explosion mechanisms without observation of a nearby event, and the corresponding signal has been calculated for a variety of collapse…

High Energy Astrophysical Phenomena · Physics 2022-12-28 Alexander Libanov , Andrey Sharofeev

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

Dark matter and neutrinos provide the two most compelling pieces of evidence for new physics beyond the Standard Model of Particle Physics but they are often treated as two different sectors. In this paper, we consider how neutrino…

High Energy Physics - Phenomenology · Physics 2018-05-28 Andres Olivares-Del Campo , Sergio Palomares-Ruiz , Silvia Pascoli

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
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