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- Publisher Website: 10.1103/PhysRevD.106.052001
- Scopus: eid_2-s2.0-85139960779
- WOS: WOS:000890660400001
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Article: Search for Higgs boson pair production in the two bottom quarks plus two photons final state in pp collisions at root s=13 TeV with the ATLAS detector
Title | Search for Higgs boson pair production in the two bottom quarks plus two photons final state in pp collisions at root s=13 TeV with the ATLAS detector |
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Authors | |
Issue Date | 2022 |
Publisher | American Physical Society. |
Citation | Physical Review D, 2022, v. 106 n. 5, p. 052001:1-35 How to Cite? |
Abstract | Searches are performed for nonresonant and resonant di-Higgs boson production in the bb¯γγ final state. The dataset used corresponds to an integrated luminosity of 139 fb-1 of proton-proton collisions at a center-of-mass energy of 13 TeV recorded by the ATLAS detector at the CERN Large Hadron Collider. No excess above the expected background is found and upper limits on the di-Higgs boson production cross sections are set. A 95% confidence-level upper limit of 4.2 times the cross section predicted by the Standard Model is set on pp→HH nonresonant production, where the expected limit is 5.7 times the Standard Model predicted value. The expected constraints are obtained for a background hypothesis excluding pp→HH production. The observed (expected) constraints on the Higgs boson trilinear coupling modifier κλ are determined to be [-1.5,6.7] ([-2.4,7.7]) at 95% confidence level, where the expected constraints on κλ are obtained excluding pp→HH production from the background hypothesis. For resonant production of a new hypothetical scalar particle X (X→HH→bb¯γγ), limits on the cross section for pp→X→HH are presented in the narrow-width approximation as a function of mX in the range 251 GeV≤mX≤1000 GeV. The observed (expected) limits on the cross section for pp→X→HH range from 640 fb to 44 fb (391 fb to 46 fb) over the considered mass range. |
Persistent Identifier | http://hdl.handle.net/10722/326544 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Paredes Hernandez, DK | - |
dc.contributor.author | Peng, C | - |
dc.contributor.author | TAM, KC | - |
dc.contributor.author | Tu, Y | - |
dc.contributor.author | Pizzimento, L | - |
dc.date.accessioned | 2023-03-20T09:15:37Z | - |
dc.date.available | 2023-03-20T09:15:37Z | - |
dc.date.issued | 2022 | - |
dc.identifier.citation | Physical Review D, 2022, v. 106 n. 5, p. 052001:1-35 | - |
dc.identifier.uri | http://hdl.handle.net/10722/326544 | - |
dc.description.abstract | Searches are performed for nonresonant and resonant di-Higgs boson production in the bb¯γγ final state. The dataset used corresponds to an integrated luminosity of 139 fb-1 of proton-proton collisions at a center-of-mass energy of 13 TeV recorded by the ATLAS detector at the CERN Large Hadron Collider. No excess above the expected background is found and upper limits on the di-Higgs boson production cross sections are set. A 95% confidence-level upper limit of 4.2 times the cross section predicted by the Standard Model is set on pp→HH nonresonant production, where the expected limit is 5.7 times the Standard Model predicted value. The expected constraints are obtained for a background hypothesis excluding pp→HH production. The observed (expected) constraints on the Higgs boson trilinear coupling modifier κλ are determined to be [-1.5,6.7] ([-2.4,7.7]) at 95% confidence level, where the expected constraints on κλ are obtained excluding pp→HH production from the background hypothesis. For resonant production of a new hypothetical scalar particle X (X→HH→bb¯γγ), limits on the cross section for pp→X→HH are presented in the narrow-width approximation as a function of mX in the range 251 GeV≤mX≤1000 GeV. The observed (expected) limits on the cross section for pp→X→HH range from 640 fb to 44 fb (391 fb to 46 fb) over the considered mass range. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. | - |
dc.relation.ispartof | Physical Review D | - |
dc.rights | Copyright [year] by The American Physical Society. This article is available online at [link to article]. | - |
dc.title | Search for Higgs boson pair production in the two bottom quarks plus two photons final state in pp collisions at root s=13 TeV with the ATLAS detector | - |
dc.type | Article | - |
dc.identifier.email | Paredes Hernandez, DK: dparedes@hku.hk | - |
dc.identifier.email | Tu, Y: yanjuntu@hku.hk | - |
dc.identifier.authority | Tu, Y=rp01971 | - |
dc.identifier.doi | 10.1103/PhysRevD.106.052001 | - |
dc.identifier.scopus | eid_2-s2.0-85139960779 | - |
dc.identifier.hkuros | 344428 | - |
dc.identifier.volume | 106 | - |
dc.identifier.issue | 5 | - |
dc.identifier.spage | 052001:1 | - |
dc.identifier.epage | 35 | - |
dc.identifier.isi | WOS:000890660400001 | - |