Paleodetectors for neutrino signals from diverse Galactic stellar collapses
Abstract
The detectability of neutrinos from past Galactic core collapse supernovae (SNe) is investigated in terms of nuclear recoil tracks in ancient minerals, known as paleodetectors. To account for the diversity of core-collapse outcomes, variations in neutron star (NS) masses as well as failed SNe leading to black hole (BH) formation are taken into account. The role of the nuclear equation of state (EOS) is also considered, as it determines NS radii and maximum masses. The enhancement of sensitivity is quantified for models with larger neutrino emission. This emission reflects the gravitational energy released during core collapse and is larger for more compact remnants in the NS-forming case and for EOS with larger maximum masses in the BH-forming case. Furthermore, motivated by the hypothesis that nearby SN activity may have contributed to the snowball Earth events, the sensitivity to SNe occuring in a burst-like manner is also investigated. The results indicate that burst-like SN activity involving several tens of events at a distance of 10 pc would be within the reach of paleodetectors.
Versions
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BibTeX
@misc{yamasaki2026paleodetectors,
title = {{Paleodetectors for neutrino signals from diverse Galactic stellar collapses}},
author = {Mahiro Yamasaki and Ken'ichiro Nakazato},
howpublished = {arXiv},
year = {2026},
month = jul,
doi = {10.48550/arxiv.2607.26826},
eprint = {2607.26826},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2607.26826},
}
RIS
TY - UNPB
TI - Paleodetectors for neutrino signals from diverse Galactic stellar collapses
AU - Mahiro Yamasaki
AU - Ken'ichiro Nakazato
PY - 2026
DA - 2026/07/29
PB - arXiv
DO - 10.48550/arxiv.2607.26826
UR - https://arxiv.org/abs/2607.26826
AB - The detectability of neutrinos from past Galactic core collapse supernovae (SNe) is investigated in terms of nuclear recoil tracks in ancient minerals, known as paleodetectors. To account for the diversity of core-collapse outcomes, variations in neutron star (NS) masses as well as failed SNe leading to black hole (BH) formation are taken into account. The role of the nuclear equation of state (EOS) is also considered, as it determines NS radii and maximum masses. The enhancement of sensitivity is quantified for models with larger neutrino emission. This emission reflects the gravitational energy released during core collapse and is larger for more compact remnants in the NS-forming case and for EOS with larger maximum masses in the BH-forming case. Furthermore, motivated by the hypothesis that nearby SN activity may have contributed to the snowball Earth events, the sensitivity to SNe occuring in a burst-like manner is also investigated. The results indicate that burst-like SN activity involving several tens of events at a distance of 10 pc would be within the reach of paleodetectors.
ER -