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Article: Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at root s=13 TeV with the ATLAS detector
Title | Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at root s=13 TeV with the ATLAS detector |
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Authors | |
Keywords | Beyond Standard Model Hadron-Hadron Scattering Supersymmetry |
Issue Date | 29-Jun-2023 |
Publisher | Springer |
Citation | Journal of High Energy Physics, 2023, v. 2023, n. 6, p. 1-49 How to Cite? |
Abstract | A search for long-lived particles decaying into hadrons is presented. The analysis uses 139 fb(-1) of pp collision data collected at root s = 13TeV by the ATLAS detector at the LHC using events that contain multiple energetic jets and a displaced vertex. The search employs dedicated reconstruction techniques that significantly increase the sensitivity to longlived particles decaying in the ATLAS inner detector. Background estimates for Standard Model processes and instrumental effects are extracted from data. The observed event yields are compatible with those expected from background processes. The results are used to set limits at 95% confidence level on model-independent cross sections for processes beyond the Standard Model, and on scenarios with pair-production of supersymmetric particles with long-lived electroweakinos that decay via a small R-parity-violating coupling. The pair-production of electroweakinos with masses below 1.5TeV is excluded for mean proper lifetimes in the range from 0.03 ns to 1 ns. When produced in the decay of m((g) over tilde) - 2.4TeV gluinos, electroweakinos with m((X) over tilde (0)(1)) = 1.5TeV are excluded with lifetimes in the range of 0.02 ns to 4 ns. |
Persistent Identifier | http://hdl.handle.net/10722/340507 |
ISSN | 2012 Impact Factor: 5.618 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Tu, Yanjun | - |
dc.contributor.author | Huang, Shuhui | - |
dc.contributor.author | Paredes Hernandez, Daniela Katherinne | - |
dc.contributor.author | Peng, Chen | - |
dc.contributor.author | Tam, Kai Chung | - |
dc.contributor.author | ATLAS Collaboration | - |
dc.date.accessioned | 2024-03-11T10:45:08Z | - |
dc.date.available | 2024-03-11T10:45:08Z | - |
dc.date.issued | 2023-06-29 | - |
dc.identifier.citation | Journal of High Energy Physics, 2023, v. 2023, n. 6, p. 1-49 | - |
dc.identifier.issn | 1126-6708 | - |
dc.identifier.uri | http://hdl.handle.net/10722/340507 | - |
dc.description.abstract | <p>A search for long-lived particles decaying into hadrons is presented. The analysis uses 139 fb(-1) of pp collision data collected at root s = 13TeV by the ATLAS detector at the LHC using events that contain multiple energetic jets and a displaced vertex. The search employs dedicated reconstruction techniques that significantly increase the sensitivity to longlived particles decaying in the ATLAS inner detector. Background estimates for Standard Model processes and instrumental effects are extracted from data. The observed event yields are compatible with those expected from background processes. The results are used to set limits at 95% confidence level on model-independent cross sections for processes beyond the Standard Model, and on scenarios with pair-production of supersymmetric particles with long-lived electroweakinos that decay via a small R-parity-violating coupling. The pair-production of electroweakinos with masses below 1.5TeV is excluded for mean proper lifetimes in the range from 0.03 ns to 1 ns. When produced in the decay of m((g) over tilde) - 2.4TeV gluinos, electroweakinos with m((X) over tilde (0)(1)) = 1.5TeV are excluded with lifetimes in the range of 0.02 ns to 4 ns.</p> | - |
dc.language | eng | - |
dc.publisher | Springer | - |
dc.relation.ispartof | Journal of High Energy Physics | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Beyond Standard Model | - |
dc.subject | Hadron-Hadron Scattering | - |
dc.subject | Supersymmetry | - |
dc.title | Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at root s=13 TeV with the ATLAS detector | - |
dc.type | Article | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1007/JHEP06(2023)200 | - |
dc.identifier.scopus | eid_2-s2.0-85166271763 | - |
dc.identifier.volume | 2023 | - |
dc.identifier.issue | 6 | - |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 49 | - |
dc.identifier.eissn | 1029-8479 | - |
dc.identifier.isi | WOS:001035462900001 | - |
dc.publisher.place | NEW YORK | - |
dc.identifier.issnl | 1029-8479 | - |