Collaboration, ATLAS
(2018)
Search for pair production of Higgs bosons in the $b\bar{b}b\bar{b}$
final state using proton-proton collisions at $\sqrt{s} = 13$ TeV with the
ATLAS detector.
JHEP, 01 (5).
030-.
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Abstract
A search for Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state is carried out with up to 36.1 $\mathrm{fb}^{-1}$ of LHC proton-proton collision data collected at $\sqrt{s}$ = 13 TeV with the ATLAS detector in 2015 and 2016. Three benchmark signals are studied: a spin-2 graviton decaying into a Higgs boson pair, a scalar resonance decaying into a Higgs boson pair, and Standard Model non-resonant Higgs boson pair production. Two analyses are carried out, each implementing a particular technique for the event reconstruction that targets Higgs bosons reconstructed as pairs of jets or single boosted jets. The resonance mass range covered is $260-3000$ GeV. The analyses are statistically combined and upper limits on the production cross section of Higgs boson pairs times branching ratio to $b\bar{b}b\bar{b}$ are set in each model. No significant excess is observed; the largest deviation of data over prediction is found at a mass of 280 GeV, corresponding to 2.3 standard deviations globally. The observed 95% confidence level upper limit on the non-resonant production is 13 times the Standard Model prediction.
| Item Type: | Article |
|---|---|
| Additional Information: | 49 pages in total, author list starting page 33, 9 figures, 8 tables, published in JHEP. All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/EXOT-2016-31/ |
| Uncontrolled Keywords: | hep-ex, hep-ex |
| Depositing User: | Symplectic Admin |
| Date Deposited: | 09 Feb 2017 16:31 |
| Last Modified: | 19 Jan 2023 07:19 |
| DOI: | 10.1103/physrevd.94.052002 |
| Open Access URL: | https://arxiv.org/abs/1606.04782 |
| Related URLs: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3005640 |
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