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|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|
|Citation:||Physical Review Letters, 2012; 109(21):1-18|
|Publisher:||American Physical Soc|
|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; ATLAS Collaboration; ATLAS Collaboration; ATLAS Collaboration|
|Rights:||© 2012 CERN, for the ATLAS Collaboration|
|Appears in Collections:||Chemistry and Physics publications|
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