Göttingen 2025 – scientific programme

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T: Fachverband Teilchenphysik

T 1: Searches/BSM I (HNL, ETmiss+X)

T 1.5: Talk

Monday, March 31, 2025, 17:45–18:00, ZHG010

Search for new physics in the electron plus missing transverse momentum channel using Run-3 CMS data — Thomas Hebbeker, Kerstin Hoepfner, •Mirac Noyan Özdemir, Valentina Sarkisovi, Alexander Schmidt, and Karl Joseph Schumacher — III. Physikalisches Institut A, RWTH Aachen University

There are many Beyond the Standard Model (BSM) theories that predict new particles in the final state with a high-energy lepton and missing transverse momentum as their experimental signature. Now, using the newly acquired data of the CMS detector from the ongoing Run-3 at an unprecedented center-of-mass energy of 13.6 TeV, a new window is opened for searches in the high-energy regions.

This talk presents the main ideas behind a high-energy physics search and the analysis strategy in the electron plus missing transverse momentum channel. First results, like the comparison of 2022+2023 data to the Standard Model background, the resulting exclusion limit on the Sequential Standard Model (SSM) W’ boson mass, as well as the variable coupling strength limit and a model independent (MI) limit, are being shown.

Keywords: Wprime; CMS; BSM; Run-3