Göttingen 2025 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 83: Methods in Particle Physics IV (Lepton Reconstruction)
T 83.9: Vortrag
Donnerstag, 3. April 2025, 18:15–18:30, VG 4.101
Reconstruction of Stand-Alone Muons in Run 3 of ATLAS — •Celine Stauch1, Otmar Biebel1, Valerio D'Amico1, Stefanie Götz1, Lars Linden1, Bao Tai Le1, Tim Rexrodt1, and Giorgia Proto2 — 1LMU Munich — 2MPI Munich
The identification and reconstruction of muons is an essential aspect for precise measurements of processes including muons in the final states of the ATLAS experiment at the LHC and HL-LHC. Various important physics processes produce muons which are detected by the Muon Spectrometer with almost 100 %-efficiency and good momentum resolution. Muons in the very forward region of the detector are called stand-alone muons. These muons are outside the reach of the Inner Track detector and are reconstructed solely using the Muon Spectrometer.
The measured efficiency in Monte Carlo (MC) samples is then compared with that obtained from dataset. The agreement between the efficiency measured in data and the corresponding efficiency in MC is called Scale Factor and is used to quantify the deviation of the simulation from the real detector behavior and is then used to correct the simulation in physics analyses.
Keywords: Muon Spectrometer; Stand-alone; Efficiency