Tau physics at the LHC with ATLAS

TL;DR

This paper discusses the methods and performance of tau lepton reconstruction at ATLAS, emphasizing its importance in exploring Standard Model processes and searching for new physics beyond the Standard Model.

Contribution

It introduces the tau lepton reconstruction algorithm and reviews its application in various physics analyses at the LHC.

Findings

Effective tau reconstruction over a wide kinematic range

Successful identification of tau leptons in Standard Model processes

Potential for discovering new phenomena beyond the Standard Model

Abstract

The presence of tau leptons in the final state is an important signature in searches for physics beyond the Standard Model. Hadronically decaying tau leptons can be reconstructed over a wide kinematic range at ATLAS. The reconstruction algorithm for hadronically decaying tau leptons and the performance of tau lepton identification is described. A review of physics processes with tau lepton final states is given, ranging from Standard Model processes in early data, such as W and Z boson production, to searches for new phenomena beyond the Standard Model.