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T: Fachverband Teilchenphysik

T 91: BSM Suchen VI

T 91.6: Vortrag

Donnerstag, 3. März 2016, 18:00–18:15, VMP5 SR 0077

Search for new physics in the final state of a lepton and missing transverse energy with the ATLAS experiment — Stefan Tapprogge and •Markus Zinser — Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55099 Mainz

Some extensions of the Standard Model (SM) predict new massive charged spin-1 gauge bosons, like the W’ boson. These bosons can decay into a lepton and neutrino. Such new particles can be searched for by looking for an excess of the data with respect to the SM backgrouns in the transverse mass spectrum. Since 2015 protons collide at a new record energy of √s=13 TeV at the Large Hadron Collider at CERN. Data recorded by the ATLAS experiment from these collisions, corresponding to an integrated luminosity of about 3.3 fb⁻¹, has been analysed to search for such new heavy gauge bosons. No significant excess has been observed and limits on the mass of a W’ boson in the context of the Sequential Standard Model (SSM) W’ are presented.