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Title: hhjj production at the LHC

Abstract

The search for di-Higgs production at the LHC in order to set limits on the Higgs trilinear coupling and constraints on new physics is one of the main motivations for the LHC high-luminosity phase. Recent experimental analyses suggest that such analyses will only be successful if information from a range of channels is included. We therefore investigate di-Higgs production in association with two hadronic jets and give a detailed discussion of both the gluon- and the weak boson-fusion (WBF) contributions, with a particular emphasis on the phenomenology with modified Higgs trilinear and quartic gauge couplings. We perform a detailed investigation of the full hadronic final state and find that hhjj production should add sensitivity to a di-Higgs search combination at the HL-LHC with 3 ab -1. Since the WBF and GF contributions are sensitive to different sources of physics beyond the Standard Model, we devise search strategies to disentangle and isolate these production modes. In addition, while gluon fusion remains non-negligible in WBF-type selections, sizeable new physics contributions to the latter can still be constrained. As an example of the latter point we investigate the sensitivity that can be obtained for a measurement of the quartic Higgs–gauge boson couplings.

Authors:
 [1];  [2];  [3]; ORCiD logo [2];  [4]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States); Univ. of Melbourne, Melbourne (Australia)
  2. Univ. of Glasgow, Glasgow (United Kingdom)
  3. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  4. Durham Univ., Durham (United Kingdom)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1225795
Grant/Contract Number:  
AC03-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 75; Journal Issue: 8; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Dolan, Matthew J., Englert, Christoph, Greiner, Nicolas, Nordstrom, Karl, and Spannowsky, Michael. hhjj production at the LHC. United States: N. p., 2015. Web. doi:10.1140/epjc/s10052-015-3622-3.
Dolan, Matthew J., Englert, Christoph, Greiner, Nicolas, Nordstrom, Karl, & Spannowsky, Michael. hhjj production at the LHC. United States. doi:10.1140/epjc/s10052-015-3622-3.
Dolan, Matthew J., Englert, Christoph, Greiner, Nicolas, Nordstrom, Karl, and Spannowsky, Michael. Tue . "hhjj production at the LHC". United States. doi:10.1140/epjc/s10052-015-3622-3. https://www.osti.gov/servlets/purl/1225795.
@article{osti_1225795,
title = {hhjj production at the LHC},
author = {Dolan, Matthew J. and Englert, Christoph and Greiner, Nicolas and Nordstrom, Karl and Spannowsky, Michael},
abstractNote = {The search for di-Higgs production at the LHC in order to set limits on the Higgs trilinear coupling and constraints on new physics is one of the main motivations for the LHC high-luminosity phase. Recent experimental analyses suggest that such analyses will only be successful if information from a range of channels is included. We therefore investigate di-Higgs production in association with two hadronic jets and give a detailed discussion of both the gluon- and the weak boson-fusion (WBF) contributions, with a particular emphasis on the phenomenology with modified Higgs trilinear and quartic gauge couplings. We perform a detailed investigation of the full hadronic final state and find that hhjj production should add sensitivity to a di-Higgs search combination at the HL-LHC with 3 ab-1. Since the WBF and GF contributions are sensitive to different sources of physics beyond the Standard Model, we devise search strategies to disentangle and isolate these production modes. In addition, while gluon fusion remains non-negligible in WBF-type selections, sizeable new physics contributions to the latter can still be constrained. As an example of the latter point we investigate the sensitivity that can be obtained for a measurement of the quartic Higgs–gauge boson couplings.},
doi = {10.1140/epjc/s10052-015-3622-3},
journal = {European Physical Journal. C, Particles and Fields},
number = 8,
volume = 75,
place = {United States},
year = {2015},
month = {8}
}

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Cited by: 22 works
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    Works referencing / citing this record:

    VHH production at the high-luminosity LHC
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