Search for Heavy Resonances Decaying into a Photon and a Hadronically Decaying Higgs Boson in pp Collisions at s =13 TeV with the ATLAS Detector
(2020) In Physical Review Letters 125(25).- Abstract
- This Letter presents a search for the production of new heavy resonances decaying into a Higgs boson and a photon using proton-proton collision data at s=13 TeV collected by the ATLAS detector at the LHC. The data correspond to an integrated luminosity of 139 fb-1. The analysis is performed by reconstructing hadronically decaying Higgs boson (H→bb¯) candidates as single large-radius jets. A novel algorithm using information about the jet constituents in the center-of-mass frame of the jet is implemented to identify the two b quarks in the single jet. No significant excess of events is observed above the expected background. Upper limits are set on the production cross-section times branching fraction for narrow spin-1 resonances decaying... (More)
- This Letter presents a search for the production of new heavy resonances decaying into a Higgs boson and a photon using proton-proton collision data at s=13 TeV collected by the ATLAS detector at the LHC. The data correspond to an integrated luminosity of 139 fb-1. The analysis is performed by reconstructing hadronically decaying Higgs boson (H→bb¯) candidates as single large-radius jets. A novel algorithm using information about the jet constituents in the center-of-mass frame of the jet is implemented to identify the two b quarks in the single jet. No significant excess of events is observed above the expected background. Upper limits are set on the production cross-section times branching fraction for narrow spin-1 resonances decaying into a Higgs boson and a photon in the resonance mass range from 0.7 to 4 TeV, cross-section times branching fractions are excluded between 11.6 fb and 0.11 fb at a 95% confidence level. © 2020 CERN. (Less)
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https://lup.lub.lu.se/record/889144ac-939c-486b-878c-cbc4942f0b63
- author
- author collaboration
- organization
- publishing date
- 2020
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Decay (organic), Photons, Resonance, ATLAS detectors, Branching fractions, Center of mass, Confidence levels, Integrated luminosity, Novel algorithm, Production cross section, Proton proton collisions, Bosons
- in
- Physical Review Letters
- volume
- 125
- issue
- 25
- article number
- 251802
- publisher
- American Physical Society
- external identifiers
-
- scopus:85098151353
- pmid:33416363
- ISSN
- 1079-7114
- DOI
- 10.1103/PhysRevLett.125.251802
- language
- English
- LU publication?
- yes
- id
- 889144ac-939c-486b-878c-cbc4942f0b63
- date added to LUP
- 2021-01-05 10:30:01
- date last changed
- 2023-04-11 03:06:54
@article{889144ac-939c-486b-878c-cbc4942f0b63, abstract = {{This Letter presents a search for the production of new heavy resonances decaying into a Higgs boson and a photon using proton-proton collision data at s=13 TeV collected by the ATLAS detector at the LHC. The data correspond to an integrated luminosity of 139 fb-1. The analysis is performed by reconstructing hadronically decaying Higgs boson (H→bb¯) candidates as single large-radius jets. A novel algorithm using information about the jet constituents in the center-of-mass frame of the jet is implemented to identify the two b quarks in the single jet. No significant excess of events is observed above the expected background. Upper limits are set on the production cross-section times branching fraction for narrow spin-1 resonances decaying into a Higgs boson and a photon in the resonance mass range from 0.7 to 4 TeV, cross-section times branching fractions are excluded between 11.6 fb and 0.11 fb at a 95% confidence level. © 2020 CERN.}}, author = {{Aad, G and Åkesson, Torsten and Bocchetta, Simona and Corrigan, Eric Edward and Doglioni, Caterina and Geisen, Jannik and Gregersen, Kristian and Brottmann Hansen, Eva and Hedberg, Vincent and Jarlskog, Göran and Kellermann, Edgar and Konya, Balazs and Lytken, Else and Mankinen, Katja and Marcon, Caterina and Mjörnmark, Ulf and Mullier, Geoffrey André Adrien and Pöttgen, Ruth and Poulsen, Trine and Skorda, Eleni and Smirnova, Oxana and Zwalinski, L}}, issn = {{1079-7114}}, keywords = {{Decay (organic); Photons; Resonance; ATLAS detectors; Branching fractions; Center of mass; Confidence levels; Integrated luminosity; Novel algorithm; Production cross section; Proton proton collisions; Bosons}}, language = {{eng}}, number = {{25}}, publisher = {{American Physical Society}}, series = {{Physical Review Letters}}, title = {{Search for Heavy Resonances Decaying into a Photon and a Hadronically Decaying Higgs Boson in pp Collisions at s =13 TeV with the ATLAS Detector}}, url = {{http://dx.doi.org/10.1103/PhysRevLett.125.251802}}, doi = {{10.1103/PhysRevLett.125.251802}}, volume = {{125}}, year = {{2020}}, }