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Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics

Georges Aad, +2604 more
TLDR
In this article, a detailed study of the expected performance of the ATLAS detector is presented, together with the reconstruction of tracks, leptons, photons, missing energy and jets, along with the performance of b-tagging and the trigger.
Abstract
A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance of b-tagging and the trigger. The physics potential for a variety of interesting physics processes, within the Standard Model and beyond, is examined. The study comprises a series of notes based on simulations of the detector and physics processes, with particular emphasis given to the data expected from the first years of operation of the LHC at CERN.

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DELPHES 3: a modular framework for fast simulation of a generic collider experiment

TL;DR: Delphes as mentioned in this paper is a fast-simulation of a multipurpose detector for phenomenological studies, including a track propagation system embedded in a magnetic field, electromagnetic and hadron calorimeters, and a muon identification system.
Journal ArticleDOI

Asymptotic formulae for likelihood-based tests of new physics

TL;DR: In this paper, the authors describe likelihood-based statistical tests for use in high energy physics for the discovery of new phenomena and for construction of confidence intervals on model parameters, focusing on the properties of the test procedures that allow one to account for systematic uncertainties.
Journal ArticleDOI

Theory and phenomenology of two-Higgs-doublet models

TL;DR: In this article, theoretical and phenomenological aspects of two-Higgs-doublet extensions of the Standard Model are discussed and a careful study of spontaneous CP violation is presented, including an analysis of the conditions which have to be satisfied in order for a vacuum to violate CP.
Journal ArticleDOI

The ATLAS Simulation Infrastructure

Georges Aad, +2585 more
TL;DR: The simulation software for the ATLAS Experiment at the Large Hadron Collider is being used for large-scale production of events on the LHC Computing Grid, including supporting the detector description, interfacing the event generation, and combining the GEANT4 simulation of the response of the individual detectors.
Journal ArticleDOI

Monte Carlo treatment of hadronic interactions in enhanced Pomeron scheme: I. QGSJET-II model

TL;DR: In this paper, the construction of a Monte Carlo generator for high energy hadronic and nuclear collisions is discussed in detail, taking into consideration enhanced Pomeron diagrams which are resummed to all orders in the triple-Pomeron coupling.
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