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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 40 | Name: ALEPH_1996_S3196992
Year: 1996
Summary: Measurement of the quark to photon fragmentation function
Experiment: ALEPH
Collider: LEP Run 1
SpiresID: 3196992
Status: VALIDATED
Authors:
- Frank Siegert <frank.siegert@cern.ch>
References:
- Z.Phys.C69:365-378,1996
- doi:10.1007/s002880050037
RunInfo:
$e^+e^-\to$ jets with $\pi$ and $\eta$ decays turned off.
NumEvents: 1000000
Beams: [e+, e-]
Energies: [91.2]
PtCuts: [0]
Description:
Earlier measurements at LEP of isolated hard photons in hadronic Z decays,
attributed to radiation from primary quark pairs, have been extended in the
ALEPH experiment to include hard photon production inside hadron jets. Events
are selected where all particles combine democratically to form hadron jets,
one of which contains a photon with a fractional energy $z > 0.7$. After
statistical subtraction of non-prompt photons, the quark-to-photon
fragmentation function, $D(z)$, is extracted directly from the measured 2-jet
rate.
BibKey: Buskulic:1995au
BibTeX: '@Article{Buskulic:1995au,
author = "Buskulic, D. and others",
collaboration = "ALEPH",
title = "{First measurement of the quark to photon fragmentation
function}",
journal = "Z. Phys.",
volume = "C69",
year = "1996",
pages = "365-378",
doi = "10.1007/s002880050037",
SLACcitation = "%%CITATION = ZEPYA,C69,365;%%"
}'
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