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Title: Interference effects for Higgs boson mediated Z -pair plus jet production

Abstract

Here, we study interference effects in the production channel ZZ + jet, in particular focusing on the role of the Higgs boson. This production channel receives contributions both from Higgs boson mediated diagrams via the decay H → ZZ (signal diagrams), as well as from diagrams where the Z bosons couple directly to a quark loop (background diagrams). We consider the partonic processes gggZZ and gq$$\bar{q}$$ZZ in which interference between signal and background diagrams first occurs. Since interference is primarily an off-resonant effect for the Higgs boson, we treat the Z bosons as on shell. Thus our analysis is limited to the region above threshold, where the invariant mass of the Z-pair mZZ satisfies the condition mZZ>2mZ. In the region mZZ > 300 GeV we find that the interference in the ZZ + jet channel is qualitatively similar to interference in the inclusive ZZ channel. Moreover, the rates are sufficient to study these effects at the LHC once jet-binned data become available.

Authors:
 [1];  [1];  [1];  [1]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1304775
Report Number(s):
FERMILAB-PUB-14-315-T; arXiv:1409.1897
Journal ID: ISSN 1550-7998; PRVDAQ; 1315346
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 90; Journal Issue: 9; Journal ID: ISSN 1550-7998
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Campbell, John M., Ellis, R. Keith, Furlan, Elisabetta, and Rontsch, Raoul. Interference effects for Higgs boson mediated Z-pair plus jet production. United States: N. p., 2014. Web. doi:10.1103/PhysRevD.90.093008.
Campbell, John M., Ellis, R. Keith, Furlan, Elisabetta, & Rontsch, Raoul. Interference effects for Higgs boson mediated Z-pair plus jet production. United States. https://doi.org/10.1103/PhysRevD.90.093008
Campbell, John M., Ellis, R. Keith, Furlan, Elisabetta, and Rontsch, Raoul. Tue . "Interference effects for Higgs boson mediated Z-pair plus jet production". United States. https://doi.org/10.1103/PhysRevD.90.093008. https://www.osti.gov/servlets/purl/1304775.
@article{osti_1304775,
title = {Interference effects for Higgs boson mediated Z-pair plus jet production},
author = {Campbell, John M. and Ellis, R. Keith and Furlan, Elisabetta and Rontsch, Raoul},
abstractNote = {Here, we study interference effects in the production channel ZZ + jet, in particular focusing on the role of the Higgs boson. This production channel receives contributions both from Higgs boson mediated diagrams via the decay H → ZZ (signal diagrams), as well as from diagrams where the Z bosons couple directly to a quark loop (background diagrams). We consider the partonic processes gggZZ and gq$\bar{q}$ZZ in which interference between signal and background diagrams first occurs. Since interference is primarily an off-resonant effect for the Higgs boson, we treat the Z bosons as on shell. Thus our analysis is limited to the region above threshold, where the invariant mass of the Z-pair mZZ satisfies the condition mZZ>2mZ. In the region mZZ > 300 GeV we find that the interference in the ZZ + jet channel is qualitatively similar to interference in the inclusive ZZ channel. Moreover, the rates are sufficient to study these effects at the LHC once jet-binned data become available.},
doi = {10.1103/PhysRevD.90.093008},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 9,
volume = 90,
place = {United States},
year = {Tue Nov 25 00:00:00 EST 2014},
month = {Tue Nov 25 00:00:00 EST 2014}
}

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Works referenced in this record:

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Works referencing / citing this record:

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On-shell interference effects in Higgs boson final states
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