Nuclear, Particle, Astroparticle and Cosmology (NUPAC) Seminars
A search for scalar partners of the top quark by the CMS experiment and plans for a new silicon endcap calorimeter for the High Luminosity LHC
Presented by Joseph Incandela, Professor of Physics, UC Santa Barbara and CERN
Scalar partners to the elementary standard model fermions, such as (but not limited to) those predicted by Sypersymmetry, could be critical to solving the Gauge Hierarchy problem if they are light enough to be produced at the LHC. This presentation will describe new results from a very powerful search carried out on 8 TeV data that will eventually be applied to new 13 TeV data and future data sets. The analysis targets a direct pair production of top-squark + antitop-squark pair in fully hadronic final states. Decay of the top squark to a top quark and a Neutralino (i.e. dark matter candidate) or to a Chargino plus a b quark with the Chargino decaying to a W and a b quark are both considered. The speaker will also briefly discuss the CMS Silicon endcap calorimeter that is being developed to replace the existing calorimeter for operation in the HL-LHC era starting ca. 2025.
11:15 am, Friday, November 20, 2015
PAIS-3300, PAIS
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