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Title: Search for heavy resonances decaying to two Higgs bosons in final states containing four b quarks

Journal Article · · European Physical Journal. C, Particles and Fields
 [1]
  1. Yerevan Physics Inst. (YerPhI) (Armenia). et al.

© 2016, CERN for the benefit of the CMS collaboration. A search is presented for narrow heavy resonances X decaying into pairs of Higgs bosons (H) in proton-proton collisions collected by the CMS experiment at the LHC at s=8TeV. The data correspond to an integrated luminosity of 19.7fb-1. The search considers H H resonances with masses between 1 and 3TeV, having final states of two b quark pairs. Each Higgs boson is produced with large momentum, and the hadronization products of the pair of b quarks can usually be reconstructed as single large jets. The background from multijet and t t ¯ events is significantly reduced by applying requirements related to the flavor of the jet, its mass, and its substructure. The signal would be identified as a peak on top of the dijet invariant mass spectrum of the remaining background events. No evidence is observed for such a signal. Upper limits obtained at 95 % confidence level for the product of the production cross section and branching fraction σ(gg→X)B(X→HH→bb¯bb¯) range from 10 to 1.5 fb for the mass of X from 1.15 to 2.0TeV, significantly extending previous searches. For a warped extra dimension theory with a mass scale Λ R = 1 TeV, the data exclude radion scalar masses between 1.15 and 1.55TeV.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
CMS Collaboration
Grant/Contract Number:
AC02-07CH11359; AC02-05CH11231
OSTI ID:
1244504
Alternate ID(s):
OSTI ID: 1411636
Report Number(s):
FERMILAB-PUB-16-053-CMS; CMS-EXO-12-053; CERN-EP-2016-041; arXiv:1602.08762; 1424833
Journal Information:
European Physical Journal. C, Particles and Fields, Vol. 76, Issue 7; ISSN 1434-6044
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 32 works
Citation information provided by
Web of Science

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Higgs boson pair productions in the Georgi-Machacek model at the LHC journal March 2017
B-meson anomalies and Higgs physics in flavored $$U(1)'$$ U ( 1 ) ′ model journal April 2018
A multi-dimensional search for new heavy resonances decaying to boosted $$\text{ W }{}{}$$W $$\text{ W }{}{}$$W , $$\text{ W }{}{}$$W $$\text{ Z }{}{}$$Z , or $$\text{ Z }{}{}$$Z $$\text{ Z }{}{}$$Z boson pairs in the dijet final state at 13 $$\text {Te}\text {V}$$Te journal March 2020
Search for Higgs boson pair production in the bbττ final state in proton-proton collisions at √(s)=8  TeV text January 2017
Search for two Higgs bosons in final states containing two photons and two bottom quarks in proton-proton collisions at 8 TeV text January 2016
Search for two Higgs bosons in final states containing two photons and two bottom quarks in proton-proton collisions at 8 TeV text January 2016
Search for two Higgs bosons in final states containing two photons and two bottom quarks in proton-proton collisions at 8 TeV text January 2016
Jet Substructure Studies with CMS Open Data text January 2017


Figures / Tables (11)