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We investigate the flux and event rate of supernova relic neutrinos (SRNs) and discuss their implications for the cosmic star formation rate. As reference models, we adopt the supernova rate model based on recent observations and the…

Astrophysics · Physics 2009-11-10 Shin'ichiro Ando

We investigate the flux of supernova relic neutrinos (SRN) for several neutrino oscillation models with parameters inferred from recent experimental results. In the calculation, we adopt the realistic {\it time-dependent} supernova density…

Astrophysics · Physics 2010-04-05 Shin'ichiro Ando , Katsuhiko Sato

Direct measurements of the core-collapse supernova rate in the redshift range 0<z 1 appear to be about a factor of two smaller than the rate inferred from the measured cosmic massive-star formation rate (SFR). We explore the possibility…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 Grant J. Mathews , Jun Hidaka , Toshitaka Kajino , Jyutaro Suzuki

The purpose of the present study is to compare the predictions of different models of star formation rate (SFR) history in the universe with the upper limit of Super Kamiokande for the neutrino background. To this aim we have calculated the…

High Energy Astrophysical Phenomena · Physics 2015-10-07 Jafar Khodagholizadeh , Sepehr Arbabi Bidgoli , Zamri Zainal Abidin

We constrain the Cosmic Star Formation Rate (CSFR) by requiring that massive stars produce the observed UV, optical, and IR light while at the same time not overproduce the Diffuse Supernova Neutrino Background as bounded by…

Astrophysics · Physics 2014-10-13 Louis E. Strigari , John F. Beacom , Terry P. Walker , Pengjie Zhang

In this paper we present the most up-to-date list of nearby galaxies with optically detected supernova remnants (SNRs). We discuss the contribution of the H{\alpha} flux from the SNRs to the total H{\alpha} flux and its influence on derived…

Astrophysics of Galaxies · Physics 2015-06-19 M. M. Vucetic , B. Arbutina , D. Urosevic

Global Stellar Formation Rates or SFRs are crucial to constrain theories of galaxy formation and evolution. SFR's are usually estimated via spectroscopic observations which require too much previous telescope time and therefore cannot match…

Instrumentation and Methods for Astrophysics · Physics 2019-01-24 Michele Delli Veneri , Stefano Cavuoti , Massimo Brescia , Giuseppe Riccio , Giuseppe Longo

The spectrum of the supernova relic neutrino background (SRN) from collapse-driven supernovae ever occurred in the universe is calculated by using a realistic, time-dependent supernova rate derived from a standard model of galaxy evolution…

Astrophysics · Physics 2010-11-30 Tomonori Totani , Katsuhiko Sato , Yuzuru Yoshii

A new Super-Kamiokande (SK) search for Supernova Relic Neutrinos (SRNs) was conducted using 2853 live days of data. Sensitivity is now greatly improved compared to the 2003 SK result, which placed a flux limit near many theoretical…

We propose that supernova relic neutrino (SRN) observation can be used to set constraints on the neutrino decay models. Because of the long distance scale from cosmological supernovae to the Earth, SRN have possibility to provide much…

High Energy Physics - Phenomenology · Physics 2009-11-10 Shin'ichiro Ando

We investigate the flux and the event rate of the supernova relic neutrino background (SRN) at the SuperKamiokande detector for various neutrino oscillation models with parameters inferred from recent experimental results. A realistic model…

Astrophysics · Physics 2009-11-07 S. Ando , K. Sato , T. Totani

We compute the star formation rate (SFR) in molecular clouds (MCs) that originate {\it ab initio} in a new, higher-resolution simulation of supernova-driven turbulence. Because of the large number of well-resolved clouds with…

Astrophysics of Galaxies · Physics 2017-05-10 Paolo Padoan , Troels Haugbølle , Åke Nordlund , Søren Frimann

It is greatly expected that the relic neutrino background from past supernovae is detected by Superkamiokande (SK) which is now under construction. We calculate the spectrum and the event rate at SK systematically by using the results of…

Astrophysics · Physics 2010-11-01 Tomonori Totani , Katsuhiko Sato

We investigate star formation rate (SFR) calibrations in light of recent developments in the modeling of stellar rotation. Using new published non-rotating and rotating stellar tracks, we study the integrated properties of synthetic stellar…

Solar and Stellar Astrophysics · Physics 2015-06-12 Shunsaku Horiuchi , John F. Beacom , Matt S. Bothwell , Todd A. Thompson

Star Formation Rates or SFRs are crucial to constrain theories of galaxy formation and evolution. SFRs are usually estimated via spectroscopic observations requiring large amounts of telescope time. We explore an alternative approach based…

Instrumentation and Methods for Astrophysics · Physics 2019-06-07 M. Delli Veneri , S. Cavuoti , M. Brescia , G. Longo , G. Riccio

The spectrum of the supernova relic neutrino (SRN) background from past stellar collapses including black hole formation (failed supernovae) is calculated. The redshift dependence of the black hole formation rate is considered on the basis…

High Energy Astrophysical Phenomena · Physics 2015-05-08 Ken'ichiro Nakazato , Eri Mochida , Yuu Niino , Hideyuki Suzuki

A search for the relic neutrinos from all past core-collapse supernovae was conducted using 1496 days of data from the Super-Kamiokande detector. This analysis looked for electron-type anti-neutrinos that had produced a positron with an…

High Energy Physics - Experiment · Physics 2009-07-09 Kamiokande Collaboration

We study how Type Ia/II supernova rates at various redshifts can be used to constrain the cosmic star formation rate (CSFR) history. We use a spectrophotometric model of galaxy evolution which provides a self-consistent description of…

Astrophysics · Physics 2007-05-23 R. Sadat , A. Blanchard , B. Guiderdoni , J. Silk

We investigate to what extent the oscillation or conversion of neutrinos enhances the expected event rate of the supernova relic neutrino background (SRN) at the Super-Kamiokande detector (SK). The SRN \bar\nu_e's can be almost completely…

High Energy Physics - Phenomenology · Physics 2009-10-28 Tomonori Totani , Katsuhiko Sato
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