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The $K^0 / \pi^-$ Ratio and Strangeness Suppression in Neutrino $p$ and Anti-neutrino $p$ Charged Current Interactions

The Birmingham-Bonn-CERN-London-Munich-Oxford collaboration Jones, G.T. ; Kennedy, B.W. ; O'Neale, S.W. ; et al.
Z.Phys.C 27 (1985) 43, 1985.
Inspire Record 205778 DOI 10.17182/hepdata.16066

Neutral kaon to negative pion production ratios fromvp and\(\bar vp\) charged current interactions in BEBC are presented and compared with LUND fragmentation model predictions. Good agreement is obtained with a strangeness suppression factor λ=0.203±0.014(stat)±0.010(sys). No evidence is seen for an energy dependence of λ in our kinematic region.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Study of Transverse Momenta of Charged Hadrons Produced in Neutrino $p$ and Anti-neutrino $p$ Charged Current Interactions

The Birmingham-CERN-London-Munich-Oxford collaboration Jones, G.T. ; Kennedy, B.W. ; Middleton, R.P. ; et al.
Z.Phys.C 25 (1984) 121, 1984.
Inspire Record 201590 DOI 10.17182/hepdata.16211

Data from a neutrino and antineutrino hydrogen experiment with BEBC are used to investigate transverse properties of the produced charged hadrons. Measurements are presented on average transverse momenta of charged pions as functions of Feynman-x and the hadronic mass, on the transverse momentum flow within an event and on jet-related quantities. The main features of the data are well described by the LUND model. The data favour a version of the model in which soft gluon effects are included and the primordial transverse momentum of the quarks in the proton is small. Effects from 1st order QCD (hard gluon emission) are negligible.

6 data tables
Table 1

No description provided.

Table 2

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Table 3

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An Investigation of Quark and Diquark Fragmentation in Neutrino $p$ and Anti-neutrino $p$ Charged Current Interactions in {BEBC}

The Aachen-Bonn-CERN-Munich-Oxford collaboration Allen, P. ; Grassler, H. ; Lanske, D. ; et al.
Nucl.Phys.B 214 (1983) 369, 1983.
Inspire Record 180772 DOI 10.17182/hepdata.34013

Distributions of the Feynman x variable have been determined for positive and negative pions in charged current neutrino-proton and antineutrino-proton reactions with hadronic energy W > 3 GeV and Bjorken x B > 0.1. The distributions have been corrected for experimental effects such as measurement errors, uncertainties in estimating the neutrino energy and particle misidentification. In the framework of the quark-parton model, the distributions yield information about the fragmentation of forward going u and d quarks and backward going uu and ud diquarks. Approximate Feynman scaling is observed for the invariant Feynman x F distributions. They can be fitted by a power law of the form (1 − | x F |) n as suggested by the dimensional counting rules. Simple isospin relations predicted by the quark-parton model are fulfilled. The fragmentation of diquarks is compared with that of protons into π ± .

2 data tables
Table 1

No description provided.

Table 2

No description provided.