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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | Name: ALEPH_1991_S2435284
Year: 1991
Summary: Hadronic Z decay charged multiplicity measurement
Experiment: ALEPH
Collider: LEP 1
SpiresID: 2435284
Status: VALIDATED
Authors:
- Andy Buckley <andy.buckley@cern.ch>
References:
- Phys. Lett. B, 273, 181 (1991)
RunInfo:
Hadronic Z decay events generated on the Z pole (sqrt(s) = 91.2 GeV)
NumEvents: 1000000
Beams: [e+, e-]
Energies: [91.2]
PtCuts: [0]
Description:
The charged particle multiplicity distribution of hadronic Z decays,
as measured on the peak of the Z resonance using the ALEPH detector at
LEP. The unfolding procedure was model independent, and the
distribution was found to have a mean of $20.85 \pm 0.24$, Comparison with
lower energy data supports the KNO scaling hypothesis. The shape of
the multiplicity distribution is well described by a log-normal
distribution, as predicted from a cascading model for multi-particle
production.
BibKey: Decamp:1991uz
BibTeX: '@Article{Decamp:1991uz,
author = "Decamp, D. and others",
collaboration = "ALEPH",
title = "{Measurement of the charged particle multiplicity
distribution in hadronic Z decays}",
journal = "Phys. Lett.",
volume = "B273",
year = "1991",
pages = "181-192",
doi = "10.1016/0370-2693(91)90575-B",
SLACcitation = "%%CITATION = PHLTA,B273,181;%%"
}'
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