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Related papers: Dark Matter Pollution in the Diffuse Supernova Neu…

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The neutrinos in the diffuse supernova neutrino background (DSNB) travel over cosmological distances and this provides them with an excellent opportunity to interact with dark relics. We show that a cosmologically-significant relic…

High Energy Physics - Phenomenology · Physics 2023-12-11 A. Baha Balantekin , George M. Fuller , Anupam Ray , Anna M. Suliga

Gadolinium-loading of large water Cherenkov detectors is a prime method for the detection of the Diffuse Supernova Neutrino Background (DSNB). While the enhanced neutron tagging capability greatly reduces single-event backgrounds,…

Instrumentation and Detectors · Physics 2021-12-08 David Maksimović , Michael Nieslony , Michael Wurm

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

The diffuse supernova neutrino background (DSNB) created by stellar core-collapses throughout cosmic history is on the verge of discovery, with SK-Gd showing early deviations from the background expectation and JUNO starting to take data.…

High Energy Astrophysical Phenomena · Physics 2025-10-02 Tim Charissé , David Maksimović , George A. Parker , Michael Wurm

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

Dark matter (DM) annihilations in the Galaxy may produce high energy neutrinos, which can be detected by the neutrino telescopes, for example IceCube, ANTARES and Super-Kamiokande. The neutrinos can also arise from hadronic interaction…

Astrophysics · Physics 2009-11-13 Peng-fei Yin , Jia Liu , Qiang Yuan , Xiao-jun Bi , Shou-hua Zhu

The relic neutrinos from old supernova explosions are among the most ancient neutrino fluxes within experimental reach. Thus, the diffuse supernova neutrino background (DSNB) could teach us if neutrino masses were different in the past…

High Energy Physics - Phenomenology · Physics 2022-12-07 André de Gouvêa , Ivan Martinez-Soler , Yuber F. Perez-Gonzalez , Manibrata Sen

Super-Kamiokande has reported a small excess of electron antineutrino events in the 20 MeV energy range, in the search for the diffuse supernova neutrino background. We interpret this signal as a possible indication of dark matter that…

High Energy Physics - Phenomenology · Physics 2026-05-20 Alessandro Granelli , Silvia Pascoli , Salvador Rosauro-Alcaraz

The advent of gadolinium-loaded Super-Kamiokande (SK-Gd) and of the soon-to-start JUNO liquid scintillator detector marks a substantial improvement in the global sensitivity for the Diffuse Supernova Neutrino Background (DSNB). The present…

High Energy Astrophysical Phenomena · Physics 2022-03-15 Yu-Feng Li , Mark Vagins , Michael Wurm

This work presents indirect searches for dark matter (DM) as WIMPs (Weakly Interacting Massive Particles) using neutrino data recorded by the Super-Kamiokande detector from 1996 to 2014. The results of the search for WIMP-induced neutrinos…

High Energy Physics - Experiment · Physics 2015-11-27 Katarzyna Frankiewicz

In the absence of high-statistics supernova neutrino measurements, estimates of the diffuse supernova neutrino background (DSNB) hinge on the precision of simulations of core-collapse supernovae. Understanding the cooling phase of…

High Energy Astrophysical Phenomena · Physics 2023-02-15 Nick Ekanger , Shunsaku Horiuchi , Kei Kotake , Kohsuke Sumiyoshi

Scalar (fermion) dark matter with mass in the MeV range coupled to ordinary neutrinos and another fermion (scalar) is motivated by scenarios that establish a link between radiatively generated neutrino masses and the dark matter relic…

High Energy Physics - Phenomenology · Physics 2015-06-18 Yasaman Farzan , Sergio Palomares-Ruiz

Supernovae are rare nearby, but they are not rare in the Universe, and all past core-collapse supernovae contributed to the Diffuse Supernova Neutrino Background (DSNB), for which the near-term detection prospects are very good. The…

High Energy Physics - Phenomenology · Physics 2009-11-11 John F. Beacom , Louis E. Strigari

The Diffuse Supernova Neutrino Background (DSNB) in the MeV regime represents the cumulative cosmic neutrino emission, predominantly due to core collapse supernovae. We estimate the DSNB flux for different Star Formation Rate Density (SFRD)…

High Energy Astrophysical Phenomena · Physics 2020-01-22 Samalka Anandagoda , Dieter H. Hartmann , Marco Ajello , Abhishek Desai

MeV particles have been advocated as Dark Matter (DM) candidates in different contexts. This hypothesis can be tested indirectly by searching for the Standard Model (SM) products of DM self-annihilations. As the signal from DM…

Astrophysics · Physics 2008-11-26 Sergio Palomares-Ruiz , Silvia Pascoli

We study the ability of the Hyper-Kamiokande (HyperK) experiment, currently under construction, to constrain a neutrino signal produced via the annihilation of dark matter captured in the Sun. We simulate upward stopping and upward…

High Energy Physics - Phenomenology · Physics 2021-11-08 Nicole F. Bell , Matthew J. Dolan , Sandra Robles

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

Indirect detection of dark matter via its annihilation products is a key technique in the search for dark matter in the form of weakly interacting massive particles (WIMPs). Strong constraints exist on the annihilation of WIMPs to highly…

High Energy Physics - Phenomenology · Physics 2020-09-10 Nicole F. Bell , Matthew J. Dolan , Sandra Robles

Fluxes of the diffuse supernova neutrino background (DSNB) are calculated based on a new modeling of galactic chemical evolution, where a variable stellar initial mass function (IMF) depending on the galaxy type is introduced and black hole…

High Energy Astrophysical Phenomena · Physics 2023-08-16 Yosuke Ashida , Ken'ichiro Nakazato , Takuji Tsujimoto

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