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Abstract

We study the indirect constraints on the quartic Higgs self-coupling that arise from double-Higgs production at future hadron colliders. To this purpose, we calculate the two-loop contributions to the gg → hh amplitudes that involve a modified h4 vertex. Based on our results, we estimate the reach of a pp collider operating at 27 TeV and 100 TeV centre-of-mass energy in constraining the cubic and quartic Higgs self-couplings by measurements of double-Higgs and triple-Higgs production in gluon-fusion.

Details

Title
Constraints on the quartic Higgs self-coupling from double-Higgs production at future hadron colliders
Author
Bizoń, Wojciech 1 ; Haisch, Ulrich 2 ; Rottoli, Luca 3   VIAFID ORCID Logo 

1  Institut für Theoretische Teilchenphysik (TTP), KIT, Karlsruhe, Germany; Institut für Kernphysik (IKP), KIT, Eggenstein-Leopoldshafen, Germany; Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford, U.K. 
2  Max Planck Institute for Physics, München, Germany; Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford, U.K.; CERN, Theoretical Physics Department, Geneva, Switzerland 
3  Dipartimento di Fisica G. Occhialini, U2, Università degli Studi di Milano-Bicocca, Milano, Italy; Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford, U.K. 
Pages
1-23
Publication year
2019
Publication date
Oct 2019
Publisher
Springer Nature B.V.
e-ISSN
10298479
Source type
Scholarly Journal
Language of publication
English
DOI
https://doi.org/10.1007/JHEP10(2019)267
ProQuest document ID
2312455651
Copyright
Journal of High Energy Physics is a copyright of Springer, (2019). All Rights Reserved.