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One-loop radiative corrections in the decoupling limit of a generalized Yukawa model

Published on:

6 November 2023

Primary Category:

High Energy Physics - Phenomenology

Paper Authors:

Mykyta Dmytriiev,

Volodymyr Skalozub

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Key Details

A generalized Yukawa model with two fermions and two scalars is considered, one scalar is very heavy

Low-energy effective Lagrangian is derived when heavy scalar decouples

One-loop radiative corrections in scattering cross-sections are analyzed

Conditions identified where corrections are significant and effective Lagrangian not valid

AI generated summary

One-loop radiative corrections in the decoupling limit of a generalized Yukawa model

This paper analyzes a generalized Yukawa model with two Dirac fermions and two scalar fields, one much heavier than the other particles. It derives the low-energy effective Lagrangian when the heavy scalar decouples. Contributions of one-loop radiative corrections from light particles are analyzed in scattering process cross-sections. Conditions are identified where these corrections are significant and the effective Lagrangian is not applicable.

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