Search for long-lived particles with the ATLAS detector
Shimpei Yamamoto (for the ATLAS Collaboration)

TL;DR
This paper reports on searches for heavy long-lived particles predicted by theories beyond the Standard Model, using ATLAS detector data from 8 TeV proton-proton collisions, focusing on various unique detection signatures.
Contribution
It provides recent experimental results on long-lived particle searches with the ATLAS detector at 8 TeV, covering multiple detection strategies.
Findings
No significant excess observed over background
Constraints set on long-lived particle models
Improved limits on particle lifetimes and masses
Abstract
Several scenarios beyond the Standard Model predict heavy long-lived particles as a result of a kinematic constraint, a conserved quantum number or a weak coupling. Such particles are possibly identified based on the detection through abnormal energy losses, appearing or disappearing tracks, displaced vertices, lepton-jet signatures, long time-of-flight or late calorimetric energy deposits. This contribution summarizes recent results of searches for heavy long-lived particles with the ATLAS detector using pp collision data at a center of mass energy of 8 TeV.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Detector Development and Performance · Dark Matter and Cosmic Phenomena
