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Effective connections of aμ , Higgs physics, and the collider frontier

Anisha; Banerjee, Upalaparna; Chakrabortty, Joydeep; Englert, Christoph; Spannowsky, Michael; Stylianou, Panagiotis

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Authors

Anisha

Upalaparna Banerjee

Joydeep Chakrabortty

Christoph Englert

Panagiotis Stylianou



Abstract

We consider scalar extensions of the Standard Model (SM) and their effective field theoretic generalizations to illustrate the phenomenological connection between precision measurements of the anomalous magnetic moment of the muon aμ, precision Higgs measurements, and direct collider sensitivity. To this end, we consider charged beyond Standard Model (BSM) scalar sectors of the Zee-Babu type for which we develop a consistent and complete dimension-5 and -6 effective field theory extensions. This enables us to track generic new physics effects that interact with the SM predominantly via radiative interactions. While the operator space is high dimensional, the intersection of exotics searches at the Large Hadron Collider (LHC), Higgs signal strength, and anomalous muon magnetic measurements is manageably small. We find that consistency of LHC Higgs observations and aμ requires a significant deformation of the new states’ electroweak properties. Evidence in searches for doubly charged scalars as currently pursued by the LHC experiments can be used to further tension the BSMEFT parameter space and resolve blind directions in the effective field theory (EFT)-extended Zee-Babu scenario.

Citation

Anisha, Banerjee, U., Chakrabortty, J., Englert, C., Spannowsky, M., & Stylianou, P. (2022). Effective connections of aμ , Higgs physics, and the collider frontier. Physical Review D, 105(1), https://doi.org/10.1103/physrevd.105.016019

Journal Article Type Article
Acceptance Date Dec 11, 2021
Online Publication Date Jan 24, 2021
Publication Date 2022
Deposit Date Feb 22, 2022
Publicly Available Date Mar 29, 2024
Journal Physical Review D
Print ISSN 2470-0010
Electronic ISSN 2470-0029
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 105
Issue 1
DOI https://doi.org/10.1103/physrevd.105.016019

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

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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