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T: Fachverband Teilchenphysik

T 10: Suche nach Dunkler Materie 1 (LHC)

T 10.5: Vortrag

Montag, 27. März 2017, 17:45–18:00, VSH 116

Dark Matter search in connection with top quark pair production — •Nicole Stefanov, Christian Schwanenberger, Kelly Beernaert, Gerrit Van Onsem, Alexander Grohsjean, and Afiq Aizuddin Anuar — DESY, Hamburg

There are hints on dark matter from astrophysical observations since the early 20th century. To explain the observed rotation velocity of galaxies with the Newtonian law of gravity, more matter needs to be present than the visible one. Otherwise galaxies would fly apart into their individual components. Today over 80 percent of the total matter of the universe is assumed to be dark matter and the origin of dark matter is completely unknown.

At the CERN Large Hadron Collider we search for dark matter using data from the CMS experiment. In this talk I present a search for dark matter in association with top quark pair production.

Tools and methods how to increase the sensitivity in extracting dark matter events from the obtained data will be discussed.