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https://hdl.handle.net/2440/76814
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Type: | Journal article |
Title: | Search for a supersymmetric partner to the top quark in final states with jets and missing transverse momentum at √s=7 TeV with the ATLAS detector |
Other Titles: | Search for a supersymmetric partner to the top quark in final states with jets and missing transverse momentum at root s=7 TeV with the ATLAS detector |
Author: | Jackson, P. Soni, N. White, M. |
Citation: | Physical Review Letters, 2012; 109(21):1-18 |
Publisher: | American Physical Soc |
Issue Date: | 2012 |
ISSN: | 0031-9007 1079-7114 |
Statement of Responsibility: | G. Aad ... P. Jackson ... N. Soni ... et al. (ATLAS Collaboration) |
Abstract: | A search for direct pair production of supersymmetric top squarks (t(1)) is presented, assuming the t(1) decays into a top quark and the lightest supersymmetric particle, χ(1)(0), and that both top quarks decay to purely hadronic final states. A total of 16 (4) events are observed compared to a predicted standard model background of 13.5(-3.6)(+3.7)(4.4(-1.3)(+1.7)) events in two signal regions based on ∫Ldt = 4.7 fb(-1) of pp collision data taken at sqrt[s] = 7 TeV with the ATLAS detector at the LHC. An exclusion region in the t(1) versus χ(1)(0) mass plane is evaluated: 370<m(t)(1)}<465 GeV is excluded for m(χ)(1)(0) ~ 0 GeV while m(t)(1) = 445 GeV is excluded for m(χ)(1)(0) ≤ 50 GeV. |
Keywords: | ATLAS Collaboration |
Description: | Extent: 18p. |
Rights: | © 2012 CERN, for the ATLAS Collaboration |
DOI: | 10.1103/PhysRevLett.109.211802 |
Published version: | http://dx.doi.org/10.1103/physrevlett.109.211802 |
Appears in Collections: | Aurora harvest 4 Chemistry and Physics publications |
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