Juan C. Criado
Higher-spin particles at high-energy colliders
Criado, Juan C.; Djouadi, Abdelhak; Koivunen, Niko; Raidal, Martti; Veermäe, Hardi
Authors
Abdelhak Djouadi
Niko Koivunen
Martti Raidal
Hardi Veermäe
Abstract
Using an effective field theory approach for higher-spin fields, we derive the interactions of colour singlet and electrically neutral particles with a spin higher than unity, concentrating on the spin-3/2, spin-2, spin-5/2 and spin-3 cases. We compute the decay rates and production cross sections in the main channels for spin-3/2 and spin-2 states at both electron-positron and hadron colliders, and identify the most promising novel experimental signatures for discovering such particles at the LHC. The discussion is qualitatively extended to the spin-5/2 and spin-3 cases. Higher-spin particles exhibit a rich phenomenology and have signatures that often resemble the ones of supersymmetric and extra-dimensional theories. To enable further studies of higher-spin particles at collider and beyond, we collect the relevant Feynman rules and other technical details.
Citation
Criado, J. C., Djouadi, A., Koivunen, N., Raidal, M., & Veermäe, H. (2021). Higher-spin particles at high-energy colliders. Journal of High Energy Physics, 2021(5), Article 254. https://doi.org/10.1007/jhep05%282021%29254
Journal Article Type | Article |
---|---|
Online Publication Date | May 27, 2021 |
Publication Date | 2021 |
Deposit Date | Jul 14, 2021 |
Publicly Available Date | Jul 14, 2021 |
Journal | Journal of High Energy Physics |
Print ISSN | 1126-6708 |
Publisher | Scuola Internazionale Superiore di Studi Avanzati (SISSA) |
Peer Reviewed | Peer Reviewed |
Volume | 2021 |
Issue | 5 |
Article Number | 254 |
DOI | https://doi.org/10.1007/jhep05%282021%29254 |
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Copyright Statement
Open Access . This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
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