Szczegóły publikacji

Opis bibliograficzny

Characterisation and mitigation of beam-induced backgrounds observed in the ATLAS detector during the 2011 proton-proton run / G. Aad, [et al.], L. ADAMCZYK, [et al.], T. BOŁD, [et al.], W. DĄBROWSKI, [et al.], M. DWUŻNIK, [et al.], I. GRABOWSKA-BOŁD, [et al.], D. KISIELEWSKA, [et al.], S. KOPERNY, [et al.], T. Z. KOWALSKI, [et al.], B. MINDUR, [et al.], M. PRZYBYCIEŃ, [et al.] // Journal of Instrumentation [Dokument elektroniczny]. — Czasopismo elektroniczne ; ISSN 1748-0221. — 2013 — vol. 8 art. no. P07004, s. [2], 1–70. — Tryb dostępu: http://iopscience.iop.org/1748-0221/8/07/P07004/pdf/1748-0221... [2013-11-18]. — Bibliogr. s. 54–55, Abstr.

Autorzy (2000)

Słowa kluczowe

Performance of High Energy Physics Detectorsfitting methodsmulti-particle dynamicssingle particle dynamicscalibration methodsaccelerator simulationsaccelerator modellingstatistical methodscluster findingpattern recognitionanalysis methods

Dane bibliometryczne

ID BaDAP77722
Data dodania do BaDAP2013-11-18
DOI10.1088/1748-0221/8/07/P07004
Rok publikacji2013
Typ publikacjiartykuł w czasopiśmie
Otwarty dostęptak
Czasopismo/seriaJournal of Instrumentation

Abstract

This paper presents a summary of beam-induced backgrounds observed in the ATLAS detector and discusses methods to tag and remove background contaminated events in data. Trigger-rate based monitoring of beam-related backgrounds is presented. The correlations of backgrounds with machine conditions, such as residual pressure in the beam-pipe, are discussed. Results from dedicated beam-background simulations are shown, and their qualitative agreement with data is evaluated. Data taken during the passage of unpaired, i.e. non-colliding, proton bunches is used to obtain background-enriched data samples. These are used to identify characteristic features of beam-induced backgrounds, which then are exploited to develop dedicated background tagging tools. These tools, based on observables in the Pixel detector, the muon spectrometer and the calorimeters, are described in detail and their efficiencies are evaluated. Finally an example of an application of these techniques to a monojet analysis is given, which demonstrates the importance of such event cleaning techniques for some new physics searches.

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