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T: Fachverband Teilchenphysik

T 93: Search for new particles V

T 93.2: Vortrag

Freitag, 3. April 2020, 11:15–11:30, H-HS IV

Model Unspecific Search in CMS (MUSiC) - Results with 2016 Data — Saranya Samik Ghosh, Arnd Meyer, Tobias Pook, Thomas Hebbeker, and •Lorenzo Vigilante — III. Physikalisches Institut A, RWTH Aachen, 52074 Aachen, Germany

The CMS experiment has been collecting data during proton-proton collisions at a center of mass energy of 13 TeV during Run 2 of the LHC. This presents a unique opportunity to search for new physics phenomena beyond the Standard Model.

The majority of searches for new physics are optimized for an established signal hypothesis in one or few decay channels. These searches cover only a fraction of all observed final states with model dependent analysis strategies. The Model Unspecific Search in CMS (MUSiC) provides a unique procedure to search for new physics at CMS in several hundred final states that are not all covered by dedicated analyses.

This talk extends the previous introductory talk and presents the analysis based on the dataset collected during 2016 by the CMS detector corresponding to about 36fb^{− 1} using an automated search for significant deviations from the Standard Model expectation. The observed distribution of deviations is compared to a Standard Model only expectation estimated from pseudo experiments. The overall agreement between the CMS data and simulations is evaluated and most significant deviations are studied.