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T: Fachverband Teilchenphysik

T 46: Calorimeter / Detector Systems II

T 46.6: Talk

Tuesday, March 21, 2023, 18:15–18:30, WIL/C133

Beam induced background identification in ATLAS by tracking system — •Marzieh Bahmani for the ATLAS collaboration — Humboldt-Universität, Berlin, Germany

It is important to study Beam Induced Background (BIB) since the BIB can significantly affect the data from ATLAS detector. Events with a large BIB component can produce a large hit occupancy in the sub-detectors and can affect the track reconstruction in the Inner Detector. The hits pattern in the Inner detector has been studied which allows to distinguish electronic noise hits form those generated by BIB and provides information on BIB characteristics at different locations in barrel and end-caps. For this study unpaired isolated bunches are exploited using BCM unpaired triggers. The ATLAS Run-II dataset has been used for this study.