High-resolution supernova neutrino spectra represented by a simple fit

Tamborra, Irene; Müller, Bernhard; Hüdepohl, Lorenz; Janka, Hans‐Thomas; Raffelt, Georg G.

doi:10.1103/physrevd.86.125031

Cited by 155 publications

(129 citation statements)

References 26 publications

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“…in SN collapse case [43][44][45], whereas outflowing energy released during BH-BH mergers produces non-thermal radiation, it could still have a similar neutrino component.…”

Section: Analysis and Resultsmentioning

confidence: 99%

A Search for Low-energy Neutrinos Correlated with Gravitational Wave Events GW 150914, GW 151226, and GW 170104 with the Borexino Detector

Agostini¹,

Altenmüller²,

Appel³

et al. 2017

ApJ

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We present the results of a low-energy neutrino search using the Borexino detector in coincidence with the gravitational wave (GW) events GW150914, GW151226 and GW170104. We searched for correlated neutrino events with energies greater than 250 keV within a time window of ±500 s centered around the GW detection time. A total of five candidates were found for all three GW150914, GW151226 and GW170104. This is consistent with the number of expected solar neutrino and

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“…in SN collapse case [43][44][45], whereas outflowing energy released during BH-BH mergers produces non-thermal radiation, it could still have a similar neutrino component.…”

Section: Analysis and Resultsmentioning

confidence: 99%

A Search for Low-energy Neutrinos Correlated with Gravitational Wave Events GW 150914, GW 151226, and GW 170104 with the Borexino Detector

Agostini¹,

Altenmüller²,

Appel³

et al. 2017

ApJ

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“…Indeed, the neutrino energy distribution is well approximated with a quasithermal distribution with the temperature of the neutrino-sphere. A simple parametrization of the neutrino energy distributions for the different neutrino species ν ≡ ν e ,ν e , ν x ,ν x (with x = µ, τ ), based on the numerical simulations is [29,30]:…”

Section: Sn Reference Modelmentioning

confidence: 99%

Heavy sterile neutrino emission in core-collapse supernovae: constraints and signatures

Mastrototaro¹,

Mirizzi

Serpico

et al. 2020

J. Cosmol. Astropart. Phys.

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Heavy sterile neutrinos with masses O(100) MeV mixing with active neutrinos can be produced in the core of a collapsing supernova (SN). In order to avoid an excessive energy loss, shortening the observed duration of the SN 1987A neutrino burst, we show that the active-sterile neutrino mixing angle should satisfy sin 2 θ 5 × 10 −7 . For a mixing with tau flavour, this bound is much stronger than the ones from laboratory searches. Moreover, we show that in the viable parameter space the decay of such "heavy" sterile neutrinos in the SN envelope would lead to a very energetic flux of daughter active neutrinos; if not too far below current limits, this would be detectable in large underground neutrino observatories, like Super-Kamiokande, as a (slightly time-delayed) high-energy bump in the spectrum of a forthcoming Galactic SN event.

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“…This value of α T is fixed in the subsequent results. This should be a reasonably good approximation everywhere, except during the very short neutronization burst phase (t pb 10 ms), where the spectrum is significantly pinched with respect to a Fermi-Dirac distribution [44].…”

Section: Neutrino Differential Fluxmentioning

confidence: 90%

Supernova neutrino physics with xenon dark matter detectors: A timely perspective

et al. 2016

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Dark matter detectors that utilize liquid xenon have now achieved tonne-scale targets, giving them sensitivity to all flavours of supernova neutrinos via coherent elastic neutrino-nucleus scattering. Considering for the first time a realistic detector model, we simulate the expected supernova neutrino signal for different progenitor masses and nuclear equations of state in existing and upcoming dualphase liquid xenon experiments. We show that the proportional scintillation signal (S2) of a dualphase detector allows for a clear observation of the neutrino signal and guarantees a particularly low energy threshold, while the backgrounds are rendered negligible during the supernova burst. XENON1T (XENONnT and LZ; DARWIN) experiments will be sensitive to a supernova burst up to 25 (35; 65) kpc from Earth at a significance of more than 5σ, observing approximately 35 (123; 704) events from a 27 M supernova progenitor at 10 kpc. Moreover, it will be possible to measure the average neutrino energy of all flavours, to constrain the total explosion energy, and to reconstruct the supernova neutrino light curve. Our results suggest that a large xenon detector such as DARWIN will be competitive with dedicated neutrino telescopes, while providing complementary information that is not otherwise accessible.

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High-resolution supernova neutrino spectra represented by a simple fit

Cited by 155 publications

References 26 publications

A Search for Low-energy Neutrinos Correlated with Gravitational Wave Events GW 150914, GW 151226, and GW 170104 with the Borexino Detector

A Search for Low-energy Neutrinos Correlated with Gravitational Wave Events GW 150914, GW 151226, and GW 170104 with the Borexino Detector

Heavy sterile neutrino emission in core-collapse supernovae: constraints and signatures

Supernova neutrino physics with xenon dark matter detectors: A timely perspective

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