Preprint/Internal Report

DESY-2013-00595

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Performance of Missing Transverse Momentum Reconstruction in ATLAS studied in Proton-Proton Collisions recorded in 2012 at $\sqrt{s}=8$ TeV

ATLAS Collaboration (Collaboration author)Extern*DESY*

2013

Report No.: ATLAS-CONF-2013-082

Abstract: The performance of the missing transverse momentum reconstruction in the ATLASdetector is evaluated using data collected in 2012 in proton-proton collisions at a centre-ofmassenergy of 8 TeV. An optimised reconstruction and calibration of the missing transversemomentum is used and the effects arising from additional proton-proton interactionssuperimposed on the hard physics process are suppressed with various methods. Results areshown for a data sample corresponding to an integrated luminosity of about 20 fb􀀀1 and forevents with different topologies with or without genuine missing transverse momentum dueto undetected particles. Estimates of the systematic uncertainty on the missing transversemomentum measurement are also presented.

Note: Copyright 2013 CERN for the benefit of the ATLAS Collaboration. Reproduction of this article or parts of it is allowed as specified in the CC-BY-3.0 license.

---

Contributing Institute(s):

1. LHC/ATLAS Experiment (ATLAS)

Research Program(s):

1. Experiments at LHC (ATLAS) (POF2-512) (POF2-512)

Experiment(s):

1. LHC: ATLAS

Appears in the scientific report 2013

---

Database coverage:
;

---