Dr Martin Bauer martin.m.bauer@durham.ac.uk
UKRI Future Leaders Fellow
Relic neutrinos at accelerator experiments
Bauer, Martin; Shergold, Jack D.
Authors
Jack Shergold jack.d.shergold@durham.ac.uk
PGR Student Doctor of Philosophy
Abstract
We present a new technique for observing low energy neutrinos with the aim of detecting the cosmic neutrino background using ion storage rings. Utilizing high energy targets exploits the quadratic increase in the neutrino capture cross section with beam energy, and with sufficient beam energy, enables neutrino capture through inverse-beta decay processes from a stable initial state. We also show that there exist ion systems admitting resonant neutrino capture, capable of achieving larger capture cross sections at lower beam energies than their nonresonant counterparts. We calculate the neutrino capture rate and the optimal experimental runtime for a range of different resonant processes and target ions and we demonstrate that the resonant capture experiment can be performed with beam energies as low as O ( 10 TeV ) per target nucleon. Unfortunately, none of the ion systems discussed here can provide sufficient statistics to discover the cosmic neutrino background with current technology. We address the challenges associated with realizing this experiment in the future, taking into account the uncertainty in the beam and neutrino momentum distributions, synchrotron radiation, as well as the beam stability.
Citation
Bauer, M., & Shergold, J. D. (2021). Relic neutrinos at accelerator experiments. Physical Review D, 104(8), https://doi.org/10.1103/physrevd.104.083039
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 24, 2021 |
Online Publication Date | Oct 28, 2021 |
Publication Date | 2021 |
Deposit Date | Feb 1, 2022 |
Publicly Available Date | Feb 1, 2022 |
Journal | Physical Review D |
Print ISSN | 2470-0010 |
Electronic ISSN | 2470-0029 |
Publisher | American Physical Society |
Peer Reviewed | Peer Reviewed |
Volume | 104 |
Issue | 8 |
DOI | https://doi.org/10.1103/physrevd.104.083039 |
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Copyright Statement
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
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