Dec 15 – 16, 2022
Centre for Particle Theory, Durham
Europe/London timezone

Electroweak input schemes in the SMEFT

Dec 15, 2022, 7:30 PM
Ogden Centre West (OCW) Level 2

Ogden Centre West (OCW) Level 2

Department of Physics Durham University South Road Durham DH1 3LE


Tommy Smith (IPPP)


The electroweak input scheme is a key choice in any phenomenological calculation. The replacement of the Lagrangians bare parameters in favour of differing physical inputs can notably change the results obtained through perturbation theory. In the SM, the effects on the convergence of the perturbative series, are well understood. However, the SMEFT has additional considerations, with differing input schemes introducing different Wilson Coefficients at LO and NLO. This all adds to the complexity of the multi faceted problem of choosing an electroweak input scheme in the SMEFT.

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