Chile
| Artículo
Search for long-lived charginos based on a disappearing-track signature using 136 fb - 1 of pp collisions at √s = 13 TeV with the ATLAS detector
dc.creator | Aad, G. | |
dc.creator | Abbott, B. | |
dc.creator | Abbott, D.C. | |
dc.creator | Abed Abud, A. | |
dc.creator | Abeling, K. | |
dc.creator | Abhayasinghe, D.K. | |
dc.creator | Abidi, S.H. | |
dc.creator | Abramowicz, H. | |
dc.creator | Abreu, H. | |
dc.creator | Abulaiti, Y. | |
dc.creator | Abusleme Hoffman, A.C. | |
dc.creator | Acharya, B.S. | |
dc.date.accessioned | 2023-10-19T14:34:59Z | |
dc.date.accessioned | 2024-05-02T14:59:39Z | |
dc.date.available | 2023-10-19T14:34:59Z | |
dc.date.available | 2024-05-02T14:59:39Z | |
dc.date.created | 2023-10-19T14:34:59Z | |
dc.date.issued | 2022-07 | |
dc.identifier | European Physical Journal C Open Access Volume 82, Issue 7July 2022 Article number 606 | |
dc.identifier | 14346044 | |
dc.identifier | https://repositorio.unab.cl/xmlui/handle/ria/53503 | |
dc.identifier | 10.1140/epjc/s10052-022-10489-5 | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/9261045 | |
dc.description.abstract | A search for long-lived charginos produced either directly or in the cascade decay of heavy prompt gluino states is presented. The search is based on proton–proton collision data collected at a centre-of-mass energy of s = 13 TeV between 2015 and 2018 with the ATLAS detector at the LHC, corresponding to an integrated luminosity of 136 fb- 1. Long-lived charginos are characterised by a distinct signature of a short and then disappearing track, and are reconstructed using at least four measurements in the ATLAS pixel detector, with no subsequent measurements in the silicon-microstrip tracking volume nor any associated energy deposits in the calorimeter. The final state is complemented by a large missing transverse-momentum requirement for triggering purposes and at least one high-transverse-momentum jet. No excess above the expected backgrounds is observed. Exclusion limits are set at 95% confidence level on the masses of the chargino and gluino for different chargino lifetimes. Chargino masses up to 660 (210) GeV are excluded in scenarios where the chargino is a pure wino (higgsino). For charginos produced during the cascade decay of a heavy gluino, gluinos with masses below 2.1 TeV are excluded for a chargino mass of 300 GeV and a lifetime of 0.2 ns. | |
dc.language | en | |
dc.publisher | Institute for Ionics | |
dc.rights | https://creativecommons.org/licenses/by/4.0/ | |
dc.rights | CC BY 4.0 DEED | |
dc.subject | Boson | |
dc.subject | Partons | |
dc.subject | Higgs Bosons | |
dc.title | Search for long-lived charginos based on a disappearing-track signature using 136 fb - 1 of pp collisions at √s = 13 TeV with the ATLAS detector | |
dc.type | Artículo |