Probing Muon $g-2$ at a Future Muon Collider

Fuente: arXiv
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Main Authors: Arakawa, Jason, Rajaraman, Arvind, Sui, Taotao, Tait, Tim M. P.
Format: Preprint
Published: 2022
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author Arakawa, Jason
Rajaraman, Arvind
Sui, Taotao
Tait, Tim M. P.
author_facet Arakawa, Jason
Rajaraman, Arvind
Sui, Taotao
Tait, Tim M. P.
contents The $4.2σ$ discrepancy in the $(g-2)$ of the muon provides a hint that may indicate that physics beyond the standard model is at play. A multi-TeV scale muon collider provides a natural testing ground for this physics. In this paper, we discuss the potential to probe the BSM parameter space that is consistent with solving the $(g-2)_μ$ discrepancy in the language of the SMEFT, utilizing the statistical power provided by fitting event rates collected running at multiple energies. Our results indicate the importance of including interference between the BSM and the SM amplitudes, and illustrates how a muon collider running at a handful of lower energies and with less total collected luminosity can better significantly constrain the space of relevant SMEFT coefficients than would be possible for a single high energy run.
format Preprint
id arxiv_https___arxiv_org_abs_2208_14464
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Probing Muon $g-2$ at a Future Muon Collider
Arakawa, Jason
Rajaraman, Arvind
Sui, Taotao
Tait, Tim M. P.
High Energy Physics - Phenomenology
The $4.2σ$ discrepancy in the $(g-2)$ of the muon provides a hint that may indicate that physics beyond the standard model is at play. A multi-TeV scale muon collider provides a natural testing ground for this physics. In this paper, we discuss the potential to probe the BSM parameter space that is consistent with solving the $(g-2)_μ$ discrepancy in the language of the SMEFT, utilizing the statistical power provided by fitting event rates collected running at multiple energies. Our results indicate the importance of including interference between the BSM and the SM amplitudes, and illustrates how a muon collider running at a handful of lower energies and with less total collected luminosity can better significantly constrain the space of relevant SMEFT coefficients than would be possible for a single high energy run.
title Probing Muon $g-2$ at a Future Muon Collider
topic High Energy Physics - Phenomenology
url https://arxiv.org/abs/2208.14464