Hamburg 2016 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 91: BSM Suchen VI

T 91.8: Vortrag

Donnerstag, 3. März 2016, 18:30–18:45, VMP5 SR 0077

Search for High-Mass Resonances of Electron-Positron Pairs at √s=13 TeV with ATLAS — •Holger Herr and Stefan Tapprogge — Universität Mainz

Several extensions of the Standard Model predict new, massive neutral spin-1 bosons. In 2015 the Large Hadron Collider at CERN started to collide protons at √s=13 TeV. These new bosons might show up as narrow resonances in the invariant-mass spectrum of electron-positron pairs. 3.2 fb⁻¹ of Data measured by the ATLAS experiment is used. To compare data to Standard Model predictions, the expected background is determined. Contributions of electron-positron pairs which originate from Standard Model processes are estimated using simulation. Background contributions from misidentified objects are calculated using data driven methods. The status of the analysis and results of the search will be presented.