Abstract
The ATLAS collaboration has performed searches for signals of natural Suypersymmetry. These signals include the production of charginos and neutralinos, third generation squarks and sleptons and cover an extensive list of scenarios. The direct production of Supersymmetric particles and the indirect production via a gluino decay has been investigated. No excess has been observed in any scenario and limits are placed on the masses of squarks and gluinos in a number of Supersymmetry based models using both 8 TeV and 7 TeV proton-proton collision data recorded with the ATLAS detector at the LHC.
Highlights
A typical natural Supersymmetry (SUSY) spectrum contains light third generation squarks, charginos and neutralinos
It is motivated by the fact that the dominant radiative corrections to the Higgs boson mass arise from the top quark in the Standard Model (SM)
The ATLAS collaboration has performed searches for stops, sbottoms, charginos, neutralinos and sleptons using 7 TeV and 8 TeV proton-proton collision data recorded at the LHC in the ATLAS detector [1]
Summary
A typical natural Supersymmetry (SUSY) spectrum contains light third generation squarks (stops and sbottoms), charginos and neutralinos. 2. Search for gluino mediated stop or sbottom production with 3 b-tagged jets and Missing Transverse Energy in 8 TeV data. Search for gluino mediated stop or sbottom production with 3 b-tagged jets and Missing Transverse Energy in 8 TeV data This analysis [2] is sensitive to pair production of gluinos where each gluino can decay via g → t1t → ttχ or g → ̃b1b → bbχ. The analysis [3] defines 6 signal regions based on the possible electron and muon combinations All of these require at least 4 jets, ETmiss > 50 GeV and a same-flavor-opposite-sign (SFOS) lepton pair with an invariant mass outside the range 81 to 101 GeV.
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