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The L3+C detector, a unique tool-set to study cosmic rays
Ist Teil von
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 2002-08, Vol.488 (1), p.209-225
Ort / Verlag
Elsevier B.V
Erscheinungsjahr
2002
Link zum Volltext
Quelle
Elsevier Journal Backfiles on ScienceDirect (DFG Nationallizenzen)
Beschreibungen/Notizen
The L3 detector at the CERN electron–positron collider, LEP, has been employed for the study of cosmic ray muons. The muon spectrometer of L3 consists of a set of high-precision drift chambers installed inside a magnet with a volume of about
1000
m
3
and a field of
0.5
T
. Muon momenta are measured with a resolution of a few percent at
50
GeV
. The detector is located under
30
m
of overburden. A scintillator air shower array of
54
m
by
30
m
is installed on the roof of the surface hall above L3 in order to estimate the energy and the core position of the shower associated with a sample of detected muons. Thanks to the unique properties of the L3+C detector, muon research topics relevant to various current problems in cosmic ray and particle astrophysics can be studied.