Detection of atmospheric muons with ALICE detectors

The calibration, alignment and commissioning of most of the ALICE (A Large Ion Collider Experiment at the CERN LHC) detectors have required a large amount of cosmic events during 2008. In particular two types of cosmic triggers have been implemented to record the atmospheric muons passing through AL...

Full description

Saved in:
Bibliographic Details
Published inNuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 617; no. 1; pp. 57 - 61
Main Authors Alessandro, B., Cortes Maldonado, I., Cuautle, E., Fernández Tellez, A., Gómez Jiménez, R., Gonzalez Santos, H., Herrera Corral, G., León, I., Martínez, M.I., Muñoz Mata, J.L., Podesta, P., Ramírez Reyes, A., Rodríguez Cahuantzi, M., Sitta, M., Subieta, M., Tejeda Muñoz, G., Vargas, A., Vergara, S.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 11.05.2010
Subjects
Accelerators
ACORDE
ALICE experiment
Atmospheric muons
Atmospherics
Calibration
Commissioning
Cosmic rays
Detectors
Iron
Muons
Scintillation detectors
Showers
Scintillation detectors
ALICE experiment
ACORDE
Cosmic rays
Atmospheric muons
Online AccessGet full text

Cover

More Information
Summary:The calibration, alignment and commissioning of most of the ALICE (A Large Ion Collider Experiment at the CERN LHC) detectors have required a large amount of cosmic events during 2008. In particular two types of cosmic triggers have been implemented to record the atmospheric muons passing through ALICE. The first trigger, called ACORDE trigger, is performed by 60 scintillators located on the top of three sides of the large L3 magnet surrounding the central detectors, and selects atmospheric muons. The Silicon Pixel Detector (SPD) installed on the first two layers of the Inner Tracking System (ITS) gives the second trigger, called SPD trigger. This trigger selects mainly events with a single atmospheric muon crossing the SPD. Some particular events, in which the atmospheric muon interacts with the iron of the L3 magnet and creates a shower of particles crossing the SPD, are also selected. In this work the reconstruction of events with these two triggers will be presented. In particular, the performance of the ACORDE detector will be discussed by the analysis of multi-muon events. Some physical distributions are also shown.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2009.08.062