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Article: Search for Higgs boson decays into two new low-mass spin-0 particles in the 4b channel with the ATLAS detector using pp collisions at √s=13 TeV
Title | Search for Higgs boson decays into two new low-mass spin-0 particles in the 4b channel with the ATLAS detector using pp collisions at √s=13 TeV |
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Authors | |
Issue Date | 2020 |
Publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prd/ |
Citation | Physical Review D: covering particles, fields, gravitation, and cosmology, 2020, v. 102 n. 11, p. article no. 112006 How to Cite? |
Abstract | This paper describes a search for beyond the Standard Model decays of the Higgs boson into a pair of new spin-0 particles subsequently decaying into b-quark pairs, H -> aa (b (b) over bar)(b (b) over bar), using proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider at center-of-mass energy root s = 13 TeV. This search focuses on the range 15 GeV <= m(a) <= 30 GeV, where the decay products are collimated; it is complementary to a previous search in the same final state targeting the range 20 GeV <= m(a) <= 60 GeV, where the decay products are well separated. A novel strategy for the identification of the a -> b (b) over bar decays is deployed to enhance the efficiency for topologies with small separation angles. The search is performed with 36 fb(-1) of integrated luminosity collected in 2015 and 2016 and sets upper limits on the production cross section of H -> as -> (b (b) over bar)(b (b) over bar), where the Higgs boson is produced in association with a Z boson. |
Description | Hybrid open access |
Persistent Identifier | http://hdl.handle.net/10722/295792 |
ISSN | 2023 Impact Factor: 4.6 2023 SCImago Journal Rankings: 1.587 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Lo, CY | - |
dc.contributor.author | Paredes Hernandez, D | - |
dc.contributor.author | Salvucci, A | - |
dc.contributor.author | Tam, KC | - |
dc.contributor.author | Tu, Y | - |
dc.contributor.author | ATLAS Collaboration | - |
dc.contributor.author | Pizzimento, L | - |
dc.date.accessioned | 2021-02-08T08:14:04Z | - |
dc.date.available | 2021-02-08T08:14:04Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Physical Review D: covering particles, fields, gravitation, and cosmology, 2020, v. 102 n. 11, p. article no. 112006 | - |
dc.identifier.issn | 2470-0010 | - |
dc.identifier.uri | http://hdl.handle.net/10722/295792 | - |
dc.description | Hybrid open access | - |
dc.description.abstract | This paper describes a search for beyond the Standard Model decays of the Higgs boson into a pair of new spin-0 particles subsequently decaying into b-quark pairs, H -> aa (b (b) over bar)(b (b) over bar), using proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider at center-of-mass energy root s = 13 TeV. This search focuses on the range 15 GeV <= m(a) <= 30 GeV, where the decay products are collimated; it is complementary to a previous search in the same final state targeting the range 20 GeV <= m(a) <= 60 GeV, where the decay products are well separated. A novel strategy for the identification of the a -> b (b) over bar decays is deployed to enhance the efficiency for topologies with small separation angles. The search is performed with 36 fb(-1) of integrated luminosity collected in 2015 and 2016 and sets upper limits on the production cross section of H -> as -> (b (b) over bar)(b (b) over bar), where the Higgs boson is produced in association with a Z boson. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prd/ | - |
dc.relation.ispartof | Physical Review D: covering particles, fields, gravitation, and cosmology | - |
dc.rights | Copyright [2020] by The American Physical Society. This article is available online at [ttp://dx.doi.org/10.1103/PhysRevD.102.112006]. | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Search for Higgs boson decays into two new low-mass spin-0 particles in the 4b channel with the ATLAS detector using pp collisions at √s=13 TeV | - |
dc.type | Article | - |
dc.identifier.email | Lo, CY: samuel3@hku.hk | - |
dc.identifier.email | Paredes Hernandez, D: dparedes@hku.hk | - |
dc.identifier.email | Tu, Y: yanjuntu@hku.hk | - |
dc.identifier.authority | Tu, Y=rp01971 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevD.102.112006 | - |
dc.identifier.scopus | eid_2-s2.0-85097529287 | - |
dc.identifier.hkuros | 321083 | - |
dc.identifier.volume | 102 | - |
dc.identifier.issue | 11 | - |
dc.identifier.spage | article no. 112006 | - |
dc.identifier.epage | article no. 112006 | - |
dc.identifier.isi | WOS:000596369400003 | - |
dc.publisher.place | United States | - |