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LENA (Low Energy Neutrino Astronomy) has been proposed as a next generation 50 kt liquid scintillator detector. Its large target mass allows to search for the Diffuse Supernova Neutrino Background (DSNB), which was generated by the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Randolph Möllenberg , Franz von Feilitzsch , Dominikus Hellgartner , Lothar Oberauer , Marc Tippmann , Jürgen Winter , Michael Wurm , Vincenz Zimmer

Neutrinos from dense environments are unique laboratories for astrophysics, particle physics and many-body physics. They tell us about the last stages of the gravitational core-collapse and the explosion of massive stars. These elusive…

High Energy Astrophysical Phenomena · Physics 2025-03-04 M. Cristina Volpe

Core-collapse supernovae are the terminal explosions of massive stars. After successive phases of nuclear fusion proceeding up to silicon burning, these stars form an iron core that is supported by electron degeneracy pressure. The core…

High Energy Astrophysical Phenomena · Physics 2026-05-27 B. Mueller , B. Sykes

Fully understanding the average core-collapse supernova requires detecting the diffuse supernova neutrino background (DSNB) in all flavors. While the DSNB $\bar{\nu}_e$ flux is near detection, and the DSNB $\nu_e$ flux has a good upper…

High Energy Astrophysical Phenomena · Physics 2022-02-16 Anna M. Suliga , John F. Beacom , 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

Neutrino masses may have evolved dynamically throughout the history of the Universe, potentially leading to a mass spectrum distinct from the normal or inverted ordering observed today. While cosmological measurements constrain the total…

High Energy Physics - Phenomenology · Physics 2026-05-27 Yuber F. Perez-Gonzalez , Manibrata Sen

Core-collapse supernovae are among the most fascinating phenomena in astrophysics and provide a formidable challenge for theoretical investigation. They mark the spectacular end of the lives of massive stars and, in an explosive eruption,…

Solar and Stellar Astrophysics · Physics 2012-11-08 H. -Thomas Janka , Florian Hanke , Lorenz Huedepohl , Andreas Marek , Bernhard Mueller , Martin Obergaulinger

Core-collapse supernovae are among Nature's grandest explosions. They are powered by the energy released in gravitational collapse and include a rich set of physical phenomena involving all fundamental forces and many branches of physics…

High Energy Astrophysical Phenomena · Physics 2011-11-29 C. D. Ott , E. P. O'Connor , B. Dasgupta

Neutrino-dominated accretion flows (NDAFs) are one of the important MeV neutrino sources and significantly contribute to the cosmic diffuse neutrino background. In this paper, we investigate the spectrum of diffuse NDAF neutrino background…

High Energy Astrophysical Phenomena · Physics 2024-03-26 Yun-Feng Wei , Tong Liu , Cui-Ying Song

The next galactic core-collapse supernova will deliver a wealth of neutrinos which for the first time we are well-situated to measure. These explosions produce neutrinos with energies between 10 and 100 MeV over a period of tens of seconds.…

Instrumentation and Methods for Astrophysics · Physics 2017-10-03 Justin A. Vasel , Andrey Sheshukov , Alec Habig

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

Neutrinos play a key role in core-collapse supernova explosions. Carrying information from deep inside the stellar core, neutrinos are direct probes of the supernova mechanism. Intriguing recent developments on the role of neutrinos in…

High Energy Physics - Phenomenology · Physics 2016-04-26 Irene Tamborra

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

Measuring the electron antineutrino component of the cosmic diffuse supernova neutrino background (DSNB) is the next ambitious goal for low-energy neutrino astronomy. The largest flux is expected in the lowest accessible energy bin.…

High Energy Astrophysical Phenomena · Physics 2010-06-01 Georg Raffelt , Timur Rashba

With myriads of detection events from a prospective Galactic core-collapse supernova, current and future neutrino detectors will be able to sample detailed, time-dependent neutrino fluxes and spectra. This offers enormous possibilities for…

High Energy Astrophysical Phenomena · Physics 2019-09-04 B. Müller

The question why and how core-collapse supernovae (SNe) explode is one of the central and most long-standing riddles of stellar astrophysics. A solution is crucial for deciphering the SN phenomenon, for predicting observable signals such as…

High Energy Astrophysical Phenomena · Physics 2018-04-25 H. -Th. Janka

We highlight developments in the domain of supernova neutrinos. We discuss the importance of the future observation, by running and upcoming experiments, of the neutrino signals from the next supernova as well as of the diffuse supernova…

High Energy Physics - Phenomenology · Physics 2022-05-30 Maria Cristina Volpe

Measuring core-collapse supernova neutrinos, both from individual supernovae within the Milky Way and from past core collapses throughout the Universe (the diffuse supernova neutrino background, or DSNB), is one of the main goals of current…

High Energy Physics - Phenomenology · Physics 2022-12-21 Sebastian Baum , Francesco Capozzi , Shunsaku Horiuchi

Core-collapse supernovae (CCSNe) offer extremely valuable insights into the dynamics of galaxies. Neutrino time profiles from CCSNe, in particular, could reveal unique details about collapsing stars and particle behavior in dense…

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