Search for direct top squark pair production in final states with two tau leptons in pp collisions at √s = 8 TeV with the ATLAS detector
A search for direct pair production of the supersymmetric partner of the top quark, decaying via a scalar tau to a nearly massless gravitino, has been performed using 20 fb[superscript −1] of proton–proton collision data at s√=8 TeV. The data were collected by the ATLAS experiment at the LHC in 2...
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Article |
| Language: | en_US |
| Published: |
Springer-Verlag
2017
|
| Online Access: | http://hdl.handle.net/1721.1/106317 https://orcid.org/0000-0002-7586-7253 |
| _version_ | 1826217099115102208 |
|---|---|
| author | Taylor, Frank E |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Taylor, Frank E |
| author_sort | Taylor, Frank E |
| collection | MIT |
| description | A search for direct pair production of the supersymmetric partner of the top quark, decaying via a scalar tau to a nearly massless gravitino, has been performed using 20 fb[superscript −1] of proton–proton collision data at s√=8 TeV. The data were collected by the ATLAS experiment at the LHC in 2012. Top squark candidates are searched for in events with either two hadronically decaying tau leptons, one hadronically decaying tau and one light lepton, or two light leptons. No significant excess over the Standard Model expectation is found. Exclusion limits at 95 % confidence level are set as a function of the top squark and scalar tau masses. Depending on the scalar tau mass, ranging from the 87 GeV LEP limit to the top squark mass, lower limits between 490 and 650 GeV are placed on the top squark mass within the model considered. |
| first_indexed | 2024-09-23T16:58:00Z |
| format | Article |
| id | mit-1721.1/106317 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T16:58:00Z |
| publishDate | 2017 |
| publisher | Springer-Verlag |
| record_format | dspace |
| spelling | mit-1721.1/1063172022-09-29T22:45:15Z Search for direct top squark pair production in final states with two tau leptons in pp collisions at √s = 8 TeV with the ATLAS detector Taylor, Frank E Massachusetts Institute of Technology. Department of Physics Taylor, Frank E A search for direct pair production of the supersymmetric partner of the top quark, decaying via a scalar tau to a nearly massless gravitino, has been performed using 20 fb[superscript −1] of proton–proton collision data at s√=8 TeV. The data were collected by the ATLAS experiment at the LHC in 2012. Top squark candidates are searched for in events with either two hadronically decaying tau leptons, one hadronically decaying tau and one light lepton, or two light leptons. No significant excess over the Standard Model expectation is found. Exclusion limits at 95 % confidence level are set as a function of the top squark and scalar tau masses. Depending on the scalar tau mass, ranging from the 87 GeV LEP limit to the top squark mass, lower limits between 490 and 650 GeV are placed on the top squark mass within the model considered. United States. Dept. of Energy National Science Foundation (U.S.) Brookhaven National Laboratory 2017-01-10T15:10:19Z 2017-01-10T15:10:19Z 2016-02 2015-09 Article http://purl.org/eprint/type/JournalArticle 1434-6044 1434-6052 http://hdl.handle.net/1721.1/106317 Atlas Collaboration et al. “Search for Direct Top Squark Pair Production in Final States with Two Tau Leptons in Pp Collisions at √s = 8 TeV with the ATLAS Detector.” The European Physical Journal C 76.2 (2016): n. pag. © 2016 CERN for the benefit of the ATLAS collaboration https://orcid.org/0000-0002-7586-7253 en_US http://dx.doi.org/10.1140/epjc/s10052-016-3897-z The European Physical Journal C Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/ application/pdf Springer-Verlag Springer |
| spellingShingle | Taylor, Frank E Search for direct top squark pair production in final states with two tau leptons in pp collisions at √s = 8 TeV with the ATLAS detector |
| title | Search for direct top squark pair production in final states with two tau leptons in pp collisions at √s = 8 TeV with the ATLAS detector |
| title_full | Search for direct top squark pair production in final states with two tau leptons in pp collisions at √s = 8 TeV with the ATLAS detector |
| title_fullStr | Search for direct top squark pair production in final states with two tau leptons in pp collisions at √s = 8 TeV with the ATLAS detector |
| title_full_unstemmed | Search for direct top squark pair production in final states with two tau leptons in pp collisions at √s = 8 TeV with the ATLAS detector |
| title_short | Search for direct top squark pair production in final states with two tau leptons in pp collisions at √s = 8 TeV with the ATLAS detector |
| title_sort | search for direct top squark pair production in final states with two tau leptons in pp collisions at √s 8 tev with the atlas detector |
| url | http://hdl.handle.net/1721.1/106317 https://orcid.org/0000-0002-7586-7253 |
| work_keys_str_mv | AT taylorfranke searchfordirecttopsquarkpairproductioninfinalstateswithtwotauleptonsinppcollisionsats8tevwiththeatlasdetector |