Standalone vertex finding in the ATLAS muon spectrometer


Aad G., Abajyan T., Abbott B., Abdallah J., Khalek S. A. , Abdinov O., ...More

JOURNAL OF INSTRUMENTATION, vol.9, 2014 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 9
  • Publication Date: 2014
  • Doi Number: 10.1088/1748-0221/9/02/p02001
  • Title of Journal : JOURNAL OF INSTRUMENTATION

Abstract

A dedicated reconstruction algorithm to find decay vertices in the ATLAS muon spectrometer is presented. The algorithm searches the region just upstream of or inside the muon spectrometer volume for multi-particle vertices that originate from the decay of particles with long decay paths. The performance of the algorithm is evaluated using both a sample of simulated Higgs boson events, in which the Higgs boson decays to long-lived neutral particles that in turn decay to b (b) over bar final states, and pp collision data at root s = 7 TeV collected with the ATLAS detector at the LHC during 2011.