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Boosted top quarks in the ATLAS experiment

Seminar
Thursday, 22.03.2018 14:00

Speakers: Dr. Roman Lysák, Petr Jačka (Institute of Physics of the Czech Academy of sciences, Prague)
Place: Conference hall in the building of the Institute of Physics, Na Slovance 2, Prague 8
Presented in English
Organisers: Division of Elementary Particle Physics
Abstract:

The top quark, being the heaviest known elementary particle, is assumed to play a special role in many theories beyond the Standard Model. The large number of top quarks produced in the ATLAS experiment gives the possibility to test the theory in the regions with high transverse momentum or high mass. The special reconstruction techniques allow to reconstruct highly boosted objects in such regions. In this talk, we will review the current status of top quark measurements in ATLAS. In the second part, we will focus on the ATLAS top quark pair differential cross-section measurement in a boosted topology. Finally, we give the prospects on how such measurements can be used to search for or constrain a new physics.

Seminar announcement PDF