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
Fields and String Laboratory
Département de Physique
PSL research University & IPSL

Research output: Contribution to journal › Article › peer-review

49 Citations (Scopus)

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.

Original language	English
Article number	60
Journal	Journal of High Energy Physics
Volume	2022
Issue number	1
DOIs	https://doi.org/10.1007/JHEP01(2022)060
Publication status	Published - 1 Jan 2022
Externally published	Yes

Keywords

Field Theories in Higher Dimensions
Nonperturbative Effects
Scattering Amplitudes

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10.1007/JHEP01(2022)060

Cite this

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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",

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AU - Hebbar, Aditya

AU - Karateev, Denis

AU - Penedones, João

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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

U2 - 10.1007/JHEP01(2022)060

DO - 10.1007/JHEP01(2022)060

M3 - Article

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VL - 2022

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

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Spinning S-matrix bootstrap in 4d

Abstract

Keywords

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