Amplitude’s positivity vs. subluminality: causality and unitarity constraints on dimension 6 & 8 gluonic operators in the SMEFT

Amplitude’s positivity vs. subluminality: causality and unitarity constraints on dimension 6 & 8 gluonic operators in the SMEFT

Abstract We derive the causality and unitarity constraints on dimension 6 and dimension 8 Gluon field strength operators in the Standard Model Effective Field Theory (SMEFT). In the first part of the paper, we use the ‘amplitude analysis’ i.e. dispersion relation for 2 → 2 scattering in the forward...

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Bibliographic Details
Main Authors: Diptimoy Ghosh, Rajat Sharma, Farman Ullah
Format: Article
Language:English
Published: SpringerOpen 2023-02-01
Series:Journal of High Energy Physics
Subjects:
Effective Field Theories
Effective Field Theories of QCD
SMEFT
Scattering Amplitudes
Online Access:https://doi.org/10.1007/JHEP02(2023)199

Internet

https://doi.org/10.1007/JHEP02(2023)199

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