SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 106: Searches IV

T 106.2: Vortrag

Donnerstag, 23. März 2023, 16:05–16:20, HSZ/0403

Searches for new physics with MUSiC in pp collisions at √s=13 TeV — •Yannik Kaiser, Thomas Hebbeker, Arnd Meyer, Ana Rita Alves Andrade, and Felipe Torres da Silva de Araujo — III. Physikalisches Institut A, RWTH Aachen University

Besides the large effort of the LHC collaborations, no direct evidence for physics beyond the standard model (BSM) has been found. Considering several theory models available, which adress the inadequacies of the standard model (SM), many model-specific searches have been employed. Complementary to this approach is MUSiC - Model Unspecific Search in CMS - a model-independent search procedure in which data collected by the CMS experiment, with at least one identified lepton, is classified according to its final state multiplicities of well-reconstructed objects. For each class a search algorithm is used to determine the most stringent phase-space region, according to a defined p-value, with respect to an SM statistical model. The procedure also takes into account systematic and statistical effects. As an extension of the already published result using 2016 data, we report preliminary results of the MUSiC search on data collected by CMS during 2018, corresponding to 58.83 fb⁻¹ of integrated luminosity.