Spinning S-matrix bootstrap in 4d

Aditya Hebbar; Denis Karateev; João Penedones

doi:10.1007/JHEP01(2022)060

Spinning S-matrix bootstrap in 4d

Aditya Hebbar
, Denis Karateev
, João Penedones

ENAC-IIC-GEL
PSL research University & IPSL

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

We review unitarity and crossing constraints on scattering amplitudes for particles with spin in four dimensional quantum field theories. As an application we study two to two scattering of neutral spin 1/2 fermions in detail. Assuming Mandelstam analyticity of its scattering amplitude, we use the numerical S-matrix bootstrap method to estimate various non-perturbative bounds on quartic and cubic (Yukawa) couplings.

langue originale	Anglais
Numéro d'article	60
journal	Journal of High Energy Physics
Volume	2022
Numéro de publication	1
Les DOIs	https://doi.org/10.1007/JHEP01(2022)060
état	Publié - 1 janv. 2022
Modification externe	Oui

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10.1007/JHEP01(2022)060

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title = "Spinning S-matrix bootstrap in 4d",

abstract = "We review unitarity and crossing constraints on scattering amplitudes for particles with spin in four dimensional quantum field theories. As an application we study two to two scattering of neutral spin 1/2 fermions in detail. Assuming Mandelstam analyticity of its scattering amplitude, we use the numerical S-matrix bootstrap method to estimate various non-perturbative bounds on quartic and cubic (Yukawa) couplings.",

keywords = "Field Theories in Higher Dimensions, Nonperturbative Effects, Scattering Amplitudes",

author = "Aditya Hebbar and Denis Karateev and Jo{\~a}o Penedones",

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AU - Hebbar, Aditya

AU - Karateev, Denis

AU - Penedones, João

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N2 - We review unitarity and crossing constraints on scattering amplitudes for particles with spin in four dimensional quantum field theories. As an application we study two to two scattering of neutral spin 1/2 fermions in detail. Assuming Mandelstam analyticity of its scattering amplitude, we use the numerical S-matrix bootstrap method to estimate various non-perturbative bounds on quartic and cubic (Yukawa) couplings.

AB - We review unitarity and crossing constraints on scattering amplitudes for particles with spin in four dimensional quantum field theories. As an application we study two to two scattering of neutral spin 1/2 fermions in detail. Assuming Mandelstam analyticity of its scattering amplitude, we use the numerical S-matrix bootstrap method to estimate various non-perturbative bounds on quartic and cubic (Yukawa) couplings.

KW - Field Theories in Higher Dimensions

KW - Nonperturbative Effects

KW - Scattering Amplitudes

UR - https://www.scopus.com/pages/publications/85122947801

U2 - 10.1007/JHEP01(2022)060

DO - 10.1007/JHEP01(2022)060

M3 - Article

AN - SCOPUS:85122947801

SN - 1126-6708

VL - 2022

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 1

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Spinning S-matrix bootstrap in 4d

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