A global view on the Higgs selfcoupling at lepton colliders
Abstract
We perform a global effectivefieldtheory analysis to assess the precision on the determination of the Higgs trilinear selfcoupling at future lepton colliders. Two main scenarios are considered, depending on whether the centerofmass energy of the colliders is sufficient or not to access Higgs pair production processes. Lowenergy machines allow for ~40% precision on the extraction of the Higgs trilinear coupling through the exploitation of nexttoleadingorder effects in single Higgs measurements, provided that runs at both 240/250 GeV and 350 GeV are available with luminosities in the few attobarns range. A global fit, including possible deviations in other SM couplings, is essential in this case to obtain a robust determination of the Higgs selfcoupling. Highenergy machines can easily achieve a ~20% precision through Higgs pair production processes. In this case, the impact of additional coupling modifications is milder, although not completely negligible.
 Authors:

 INFN, Sezione di Milano (Italy); DESY, Hamburg (Germany)
 DESY, Hamburg (Germany)
 DESY, Hamburg (Germany); HumboldtUniversität zu Berlin (Germany). Institut für Physik
 DESY, Hamburg (Germany) ; Institute of High Energy Physics, Chinese Academy of Sciences, Beijing (China)
 Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States). Theoretical Physics Department
 Universitat Autònoma de Barcelona (Spain). IFAE and BIST
 DESY, Hamburg (Germany); Universitat Autònoma de Barcelona (Spain). IFAE and BIST
 Publication Date:
 Research Org.:
 Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
 Sponsoring Org.:
 USDOE Office of Science (SC), High Energy Physics (HEP) (SC25)
 OSTI Identifier:
 1423238
 Report Number(s):
 DESY17131; FERMILABPUB17462T; arXiv:1711.03978
Journal ID: ISSN 10298479; 1635886; TRN: US1801725
 Grant/Contract Number:
 AC0207CH11359
 Resource Type:
 Accepted Manuscript
 Journal Name:
 Journal of High Energy Physics (Online)
 Additional Journal Information:
 Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2018; Journal Issue: 2; Journal ID: ISSN 10298479
 Publisher:
 Springer Berlin
 Country of Publication:
 United States
 Language:
 English
 Subject:
 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Higgs Physics; Effective Field Theories; Beyond Standard Model
Citation Formats
Di Vita, Stefano, Durieux, Gauthier, Grojean, Christophe, Gu, Jiayin, Liu, Zhen, Panico, Giuliano, Riembau, Marc, and Vantalon, Thibaud. A global view on the Higgs selfcoupling at lepton colliders. United States: N. p., 2018.
Web. doi:10.1007/JHEP02(2018)178.
Di Vita, Stefano, Durieux, Gauthier, Grojean, Christophe, Gu, Jiayin, Liu, Zhen, Panico, Giuliano, Riembau, Marc, & Vantalon, Thibaud. A global view on the Higgs selfcoupling at lepton colliders. United States. doi:10.1007/JHEP02(2018)178.
Di Vita, Stefano, Durieux, Gauthier, Grojean, Christophe, Gu, Jiayin, Liu, Zhen, Panico, Giuliano, Riembau, Marc, and Vantalon, Thibaud. Wed .
"A global view on the Higgs selfcoupling at lepton colliders". United States. doi:10.1007/JHEP02(2018)178. https://www.osti.gov/servlets/purl/1423238.
@article{osti_1423238,
title = {A global view on the Higgs selfcoupling at lepton colliders},
author = {Di Vita, Stefano and Durieux, Gauthier and Grojean, Christophe and Gu, Jiayin and Liu, Zhen and Panico, Giuliano and Riembau, Marc and Vantalon, Thibaud},
abstractNote = {We perform a global effectivefieldtheory analysis to assess the precision on the determination of the Higgs trilinear selfcoupling at future lepton colliders. Two main scenarios are considered, depending on whether the centerofmass energy of the colliders is sufficient or not to access Higgs pair production processes. Lowenergy machines allow for ~40% precision on the extraction of the Higgs trilinear coupling through the exploitation of nexttoleadingorder effects in single Higgs measurements, provided that runs at both 240/250 GeV and 350 GeV are available with luminosities in the few attobarns range. A global fit, including possible deviations in other SM couplings, is essential in this case to obtain a robust determination of the Higgs selfcoupling. Highenergy machines can easily achieve a ~20% precision through Higgs pair production processes. In this case, the impact of additional coupling modifications is milder, although not completely negligible.},
doi = {10.1007/JHEP02(2018)178},
journal = {Journal of High Energy Physics (Online)},
number = 2,
volume = 2018,
place = {United States},
year = {2018},
month = {2}
}
Web of Science
Figures / Tables:
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Works referencing / citing this record:
A global view on the Higgs selfcoupling at lepton colliders
text, January 2018
 Di Vita, Stefano; Durieux, Gauthier; Grojean, Christophe
 Deutsches ElektronenSynchrotron, DESY, Hamburg
Does lowenergy physics depend on the potential of a heavy Higgs particle?
journal, April 1986
 Van der Bij, J. J.
 Nuclear Physics B, Vol. 267, Issue 34
Cuba—a library for multidimensional numerical integration
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 Hahn, T.
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FeynRules 2.0 — A complete toolbox for treelevel phenomenology
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 Alloul, Adam; Christensen, Neil D.; Degrande, Céline
 Computer Physics Communications, Vol. 185, Issue 8
Rosetta: an operator basis translator for standard model effective field theory
journal, December 2015
 Falkowski, Adam; Fuks, Benjamin; Mawatari, Kentarou
 The European Physical Journal C, Vol. 75, Issue 12
Higgs physics at the CLIC electron–positron linear collider
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 Abramowicz, H.; Abusleme, A.; Afanaciev, K.
 The European Physical Journal C, Vol. 77, Issue 7
Trilinear Higgs coupling determination via singleHiggs differential measurements at the LHC
journal, December 2017
 Maltoni, Fabio; Pagani, Davide; Shivaji, Ambresh
 The European Physical Journal C, Vol. 77, Issue 12
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 Deutsches ElektronenSynchrotron, DESY, Hamburg
Figures / Tables found in this record: