Higgs boson compositeness: from $e^+e^-\to ZH$ to $e^+e^-\to Z_L,W_L +anything $

Abstract : We assume that the Higgs doublet has a composite structure, respecting the main standard model properties, and therefore called Composite Standard Model (CSM), but leading (through Goldstone equivalence) to $Z_L$ and $W_L$ form factors. We illustrate how such a form factor affecting the $ZZ_LH$ coupling will be directly observable in $e^+e^-\to ZH$. We then show the spectacular consequences which would appear in the inclusive processes $e^+e^-\to Z_L+anything $. Such a form factor could also affect the $\gamma W^+_LW^-_L$ and $Z W^+_LW^-_L$ vertices and we show what effects this would generate in $e^+e^-\to W^+W^-$ (especially in $e^+e^-_R\to W^+_LW^-_L$) and in $e^+e^-\to W_L+anything $. We finally mention the $\gamma\gamma\to W^+W^-$ process and several other processes in hadronic collisions which could be similarly affected.
Type de document :
Pré-publication, Document de travail
LUPM:17-002. 14 pages, 5 figures. 2017
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https://hal.archives-ouvertes.fr/hal-01487770
Contributeur : Nicolas Clementin <>
Soumis le : lundi 13 mars 2017 - 10:23:51
Dernière modification le : mardi 14 mars 2017 - 01:07:26

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  • HAL Id : hal-01487770, version 1
  • ARXIV : 1701.04571

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Fernand M Renard. Higgs boson compositeness: from $e^+e^-\to ZH$ to $e^+e^-\to Z_L,W_L +anything $. LUPM:17-002. 14 pages, 5 figures. 2017. <hal-01487770>

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