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We report some results on charm photoproduction at γ energies ranging from 20 to 70 GeV. 36 events with pairs of charmed particles have been found in emulsions. The computed total cross section is (230±57)nb/nucleon. Frequencies of different production channels and some distributions are presented and compared with the predictions from a photon-gluon fusion model with string fragmentation.

1 data table

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STUDY OF INCLUSIVE CHARACTERISTICS OF rho0 AND K*0 (890) MESONS IN ANTI-NEUTRINO CHARGED CURRENT INDUCED QUARK JET

Ammosov, V.V. ; Burtovoy, V.S. ; Gapienko, V.A. ; et al.

Sov.J.Nucl.Phys. 45 (1987) 833, 1987.

Inspire Record 234597 DOI 10.17182/hepdata.40836

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8 data tables

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Neutral Strange Particle Exclusive Production in Charged Current High-energy Anti-neutrino Interactions

Ammosov, V.V. ; Gapienko, V.A. ; Gapienko, G.S. ; et al.

Z.Phys.C 36 (1987) 377-381, 1987.

Inspire Record 230983 DOI 10.17182/hepdata.15702

The cross section of the quasi-elastic reactions$\bar v_\mup \to \mu ^ +\Lambda (\Sigma ^0 )$ in the energy range 5–100 GeV is determined from Fermilab 15′ bubble chamber antineutrino data. TheQ2 analysis of quasi-elastic Λ events yieldsMA=1.0±0.3 GeV/c2 for the axial mass value. With zero µΛK0 events observed, the 90% confidence level upper limit$\sigma (\bar v_\mup \to \mu ^ +\Lambda {\rm K}^0 )< 2.0 \cdot 10^{ - 40} cm^2 $ is obtained. At the same time, we found that the cross section of reaction$\bar v_\mup \to \mu ^ +\Lambda {\rm K}^0+ m\pi ^0 $ is equal to$\left( {3.9\begin{array}{*{20}c}{ + 1.6}\\{ - 1.3}\\ \end{array} } \right) \cdot 10^{ - 40} cm^2 $.

2 data tables

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INCLUSIVE rho0 AND K*0 PRODUCTION IN muon-neutrino N CHARGED CURRENT INTERACTIONS

Ammosov, V.V. ; Burtovoy, V.S. ; Gapienko, V.A. ; et al.

Sov.J.Nucl.Phys. 45 (1987) 457, 1987.

Inspire Record 233250 DOI 10.17182/hepdata.10290

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PRODUCTION OF F- MESONS IN ANTI-NEUTRINO N INTERACTIONS

Study of the Nucleon Structure Functions in Neutrino Interactions in the Energy Range of 10-{GeV} - 200-{GeV}

Fragmentation of Neon-22 Relativistic Nuclei on Photoemulsion Nuclei

STUDY OF POLARIZATION EFFECTS IN rho0 MESON PRODUCTION IN THE (ANTI)-NEUTRINO CHARGED CURRENT INDUCED QUARK JET

INVESTIGATION OF COMPTON EFFECT ON pi MESON AND CHARGED PION POLARIZABILITY

CHARGED CURRENT ANTI-NEUTRINO INDUCED COHERENT NEGATIVE PION PRODUCTION OFF NEON

Cross-sections and Some Features of Charm Photoproduction at $\gamma$ Energies of 20-{GeV} to 70-{GeV}

STUDY OF INCLUSIVE CHARACTERISTICS OF rho0 AND K*0 (890) MESONS IN ANTI-NEUTRINO CHARGED CURRENT INDUCED QUARK JET

Neutral Strange Particle Exclusive Production in Charged Current High-energy Anti-neutrino Interactions

INCLUSIVE rho0 AND K*0 PRODUCTION IN muon-neutrino N CHARGED CURRENT INTERACTIONS