Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at √s=13 TeV with the ATLAS detector
Abstract: A search for long-lived particles decaying into hadrons is presented. The analysis uses 139 fb−1 of pp collision data collected at √s = 13 TeV by the ATLAS detector at the LHC using events that contain multiple energetic jets and a displaced vertex. The search employs dedicated reconstruct...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
29 June 2023
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| In: |
Journal of high energy physics
Year: 2023, Issue: 6, Pages: 1-49 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP06(2023)200 |
| Online Access: | Resolving-System, kostenfrei, Volltext: https://doi.org/10.1007/JHEP06(2023)200 Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP06(2023)200 
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| Author Notes: | the ATLAS Collaboration: G. Aad, F. Bartels, M.M. Czurylo, S.J. Dittmeier, M. Dunford, S. Franchino, M. Klassen, A. Krishnan, T. Mkrtchyan, D.F. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H.-C. Schultz-Coulon, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, X. Yue, J. Zinßer ... [und 2910 weitere Personen] |
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| 245 | 1 | 0 | |a Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at √s=13 TeV with the ATLAS detector |c the ATLAS Collaboration: G. Aad, F. Bartels, M.M. Czurylo, S.J. Dittmeier, M. Dunford, S. Franchino, M. Klassen, A. Krishnan, T. Mkrtchyan, D.F. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H.-C. Schultz-Coulon, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, X. Yue, J. Zinßer ... [und 2910 weitere Personen] |
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| 246 | 3 | 3 | |a Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at squareroot s=13 TeV with the ATLAS detector |
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| 520 | |a Abstract: A search for long-lived particles decaying into hadrons is presented. The analysis uses 139 fb−1 of pp collision data collected at √s = 13 TeV 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 long-lived 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 1.5 TeV is excluded for mean proper lifetimes in the range from 0.03 ns to 1 ns. When produced in the decay of m( g̃) = 2.4 TeV gluinos, lectroweakinos with m( χ̃01) = 1.5 TeV are excluded with lifetimes in the range of 0.02 ns to 4 ns. | ||
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| 650 | 4 | |a Hadron-Hadron Scattering | |
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