Chabrov, N.A.
DN/DZ
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Charged particles and neutral kaons in photoproduced jets at HERA

The ZEUS collaboration Breitweg, J. ; Derrick, M. ; Krakauer, D. ; et al.
Eur.Phys.J.C 2 (1998) 77-93, 1998.
Inspire Record 451528 DOI 10.17182/hepdata.44362

Charged particles ($h^\pm$) and \kz mesons have been studied in photoproduced events containing at least one jet of $E_T > 8$ GeV in a pseudorapidity interval (--0.5, 0.5) in the ZEUS laboratory frame. Distributions are presented in terms of transverse momentum, pseudorapidity and distance of the particle from the axis of a jet. The properties of \hpm within the jet are described well using the standard settings of PYTHIA, but the use of the multiparton interaction option improves the description outside the jets. A reasonable overall description of the \kz behaviour is possible with PYTHIA using a reduced value of the strangeness suppression parameter. The numbers of $h^\pm$ and \kz within a jet as defined above are measured to be $3.25\pm0.02\pm0.28$ and $0.431\pm0.013\pm0.088$ respectively. Fragmentation functions are presented for $h^\pm$ and \kz in photoproduced jets; agreement is found with calculations of Binnewies et al. and, at higher momenta, with $p\bar p$ scattering and with standard PYTHIA. Fragmentation functions in direct photoproduced events are extracted, and at higher momenta give good agreement with data from related processes in $e^+e^-$ annihilation and deep inelastic $ep$ scattering.

11 data tables
Table 1

Corrected multiplicities of charged particles and neutral K0 mesons per photoproduced jet.

Table 2

Corrected distribution of charged particles per jet in events containing a hadron jet.

Table 3

Corrected distribution of charged particles per jet in events containing a hadron jet.

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STUDY OF CUMULATIVE PROTON PRODUCTION IN NEUTRINO - NUCLEAR INTERACTIONS

Ammosov, V.V. ; Baranov, D.S. ; Ivanilov, A.A. ; et al.
IFVE-85-109, 1985.
Inspire Record 218430 DOI 10.17182/hepdata.40895

None

11 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Inclusive Charged Hadron Spectra in $\nu A$ and $\bar{\nu} A$ Interactions at $E_{\nu/\bar{\nu}} < 30$-{GeV}

Baranov, D.S. ; Ermolaev, V.I. ; Hleborad, V.I. ; et al.
Z.Phys.C 21 (1984) 197, 1984.
Inspire Record 195756 DOI 10.17182/hepdata.41124

We present inclusive spectra of charged hadrons produced in\(\begin{array}{*{20}c}{( - )}\\v\\ \end{array}\)-Freon interactions at average beam energies of about 6 GeV. The experiment was done using the bubble chamber SKAT at the 70 GeV Serpukhov accelerator. In the hadronic energy range,W<5 GeV, dominantly isotropic events are found. The transverse momentum of the produced particles shows no strongW2-dependence. Feynman-scaling may be reached forW2≳10 GeV2, where also theż-spectra are described by the predictions of the parton model. All experimental data are reproduced rather well also by a Monte Carlo model based on ordinary phase space.

13 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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