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- Publisher Website: 10.1103/PhysRevLett.122.151801
- Scopus: eid_2-s2.0-85065591238
- PMID: 31050493
- WOS: WOS:000464756200003
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Article: Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at √s=13 TeV
Title | Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at √s=13 TeV |
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Authors | |
Issue Date | 2019 |
Publisher | American Physical Society. The Journal's web site is located at http://prl.aps.org |
Citation | Physical Review Letters, 2019, v. 122 n. 15, article no. 151801 , p. 1-19 How to Cite? |
Abstract | This Letter presents a search for the production of a long-lived neutral particle (Zd) decaying within the ATLAS hadronic calorimeter, in association with a standard model (SM) Z boson produced via an intermediate scalar boson, where Z→+ (=e, μ). The data used were collected by the ATLAS detector during 2015 and 2016 pp collisions with a center-of-mass energy of s=13 TeV at the Large Hadron Collider and correspond to an integrated luminosity of 36.1±0.8 fb-1. No significant excess of events is observed above the expected background. Limits on the production cross section of the scalar boson times its decay branching fraction into the long-lived neutral particle are derived as a function of the mass of the intermediate scalar boson, the mass of the long-lived neutral particle, and its cτ from a few centimeters to one hundred meters. In the case that the intermediate scalar boson is the SM Higgs boson, its decay branching fraction to a long-lived neutral particle with a cτ approximately between 0.1 and 7 m is excluded with a 95% confidence level up to 10% for mZd between 5 and 15 GeV. |
Persistent Identifier | http://hdl.handle.net/10722/270098 |
ISSN | 2023 Impact Factor: 8.1 2023 SCImago Journal Rankings: 3.040 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | ATLAS Collaboration | - |
dc.contributor.author | Lo, CY | - |
dc.contributor.author | Orlando, N | - |
dc.contributor.author | Paredes Hernandez, DK | - |
dc.contributor.author | Tu, Y | - |
dc.contributor.author | Pizzimento, L | - |
dc.date.accessioned | 2019-05-20T05:09:32Z | - |
dc.date.available | 2019-05-20T05:09:32Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Physical Review Letters, 2019, v. 122 n. 15, article no. 151801 , p. 1-19 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/10722/270098 | - |
dc.description.abstract | This Letter presents a search for the production of a long-lived neutral particle (Zd) decaying within the ATLAS hadronic calorimeter, in association with a standard model (SM) Z boson produced via an intermediate scalar boson, where Z→+ (=e, μ). The data used were collected by the ATLAS detector during 2015 and 2016 pp collisions with a center-of-mass energy of s=13 TeV at the Large Hadron Collider and correspond to an integrated luminosity of 36.1±0.8 fb-1. No significant excess of events is observed above the expected background. Limits on the production cross section of the scalar boson times its decay branching fraction into the long-lived neutral particle are derived as a function of the mass of the intermediate scalar boson, the mass of the long-lived neutral particle, and its cτ from a few centimeters to one hundred meters. In the case that the intermediate scalar boson is the SM Higgs boson, its decay branching fraction to a long-lived neutral particle with a cτ approximately between 0.1 and 7 m is excluded with a 95% confidence level up to 10% for mZd between 5 and 15 GeV. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://prl.aps.org | - |
dc.relation.ispartof | Physical Review Letters | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at √s=13 TeV | - |
dc.type | Article | - |
dc.identifier.email | Orlando, N: norlando@hku.hk | - |
dc.identifier.email | Paredes Hernandez, DK: 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/PhysRevLett.122.151801 | - |
dc.identifier.pmid | 31050493 | - |
dc.identifier.scopus | eid_2-s2.0-85065591238 | - |
dc.identifier.hkuros | 297767 | - |
dc.identifier.volume | 122 | - |
dc.identifier.issue | 15 | - |
dc.identifier.spage | article no. 151801, p. 1 | - |
dc.identifier.epage | article no. 151801, p. 19 | - |
dc.identifier.isi | WOS:000464756200003 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0031-9007 | - |