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Title: A global view on the Higgs self-coupling at lepton colliders

Abstract

We perform a global effective-field-theory analysis to assess the precision on the determination of the Higgs trilinear self-coupling at future lepton colliders. Two main scenarios are considered, depending on whether the center-of-mass energy of the colliders is sufficient or not to access Higgs pair production processes. Low-energy machines allow for ~40% precision on the extraction of the Higgs trilinear coupling through the exploitation of next-to-leading-order 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 self-coupling. High-energy 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:
ORCiD logo [1];  [2];  [3];  [4]; ORCiD logo [5];  [6];  [7];  [7]
  1. INFN, Sezione di Milano (Italy); DESY, Hamburg (Germany)
  2. DESY, Hamburg (Germany)
  3. DESY, Hamburg (Germany); Humboldt-Universität zu Berlin (Germany). Institut für Physik
  4. DESY, Hamburg (Germany) ; Institute of High Energy Physics, Chinese Academy of Sciences, Beijing (China)
  5. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States). Theoretical Physics Department
  6. Universitat Autònoma de Barcelona (Spain). IFAE and BIST
  7. 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) (SC-25)
OSTI Identifier:
1423238
Report Number(s):
DESY-17-131; FERMILAB-PUB-17-462-T; arXiv:1711.03978
Journal ID: ISSN 1029-8479; 1635886; TRN: US1801725
Grant/Contract Number:  
AC02-07CH11359
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 1029-8479
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 self-coupling 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 self-coupling 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 self-coupling 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 self-coupling 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 effective-field-theory analysis to assess the precision on the determination of the Higgs trilinear self-coupling at future lepton colliders. Two main scenarios are considered, depending on whether the center-of-mass energy of the colliders is sufficient or not to access Higgs pair production processes. Low-energy machines allow for ~40% precision on the extraction of the Higgs trilinear coupling through the exploitation of next-to-leading-order 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 self-coupling. High-energy 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}
}

Journal Article:
Free Publicly Available Full Text
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Citation Metrics:
Cited by: 17 works
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Figures / Tables:

Figure 1 Figure 1: One-loop diagrams involving the trilinear Higgs coupling contributing to the main single-Higgs production processes: $e$+$e$- $\rightarrow$ $hZ$ (top row) and $e$+$e$- $\rightarrow$ $v\bar{v}h$ (middle row). The Higgs self-energy diagram (bottom) gives a universal modification to all Higgs production processes via wave function renormalization.

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    Works referencing / citing this record:

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    text, January 2018

    • Di Vita, Stefano; Durieux, Gauthier; Grojean, Christophe
    • Deutsches Elektronen-Synchrotron, DESY, Hamburg
    • DOI: 10.3204/pubdb-2018-01406

    Does low-energy physics depend on the potential of a heavy Higgs particle?
    journal, April 1986


    Cuba—a library for multidimensional numerical integration
    journal, June 2005


    FeynRules  2.0 — A complete toolbox for tree-level phenomenology
    journal, August 2014

    • Alloul, Adam; Christensen, Neil D.; Degrande, Céline
    • Computer Physics Communications, Vol. 185, Issue 8
    • DOI: 10.1016/j.cpc.2014.04.012

    Rosetta: an operator basis translator for standard model effective field theory
    journal, December 2015


    Higgs physics at the CLIC electron–positron linear collider
    journal, July 2017


    Trilinear Higgs coupling determination via single-Higgs differential measurements at the LHC
    journal, December 2017


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