A Detailed Study of the Gluino Decay into the Third Generation Squarks at the CERN LHC

Details A Detailed Study of the Gluino Decay into the Third Generation Squarks at the CERN LHC A Detailed Study of the Gluino Decay into the Third Generation Squarks at the CERN LHC

2003-04-23

arxiv.org/abs/hep-ph/0304214v2

Phys.Rev.D68:035007,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

revtex, 20 pages in PRD format, 35 eps files

Scientific paper

10.1103/PhysRevD.68.035007

In supersymmetric models a gluino can decay into tb\tilde{\chi}^{\pm}_1 through a stop or a sbottom. The decay chain produces an edge structure in the m_{tb} distribution. Monte Carlo simulation studies show that the end point and the edge height would be measured at the CERN LHC by using a sideband subtraction technique. The stop and sbottom masses as well as their decay branching ratios are constrained by the measurement. We study interpretations of the measurement in the minimal supergravity model. We also study the gluino decay into tb and \tilde{\chi}^{\pm}_2 as well as the influence of the stop left-right mixing on the m_{bb} distribution of the tagged $tb$ events.

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