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Spinning S-matrix bootstrap in 4d
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DOI：10.1007/JHEP01(2022)060.png)
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摘要
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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.
Keyword:
Field Theories in Higher Dimensions
Nonperturbative Effects
Scattering Amplitudes
期刊
IF:
5.5
论文数:
4.0W
被引数:
13.7W
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