Vorobev, A.P.
hep-ex
DSIG/DM
[7.833]
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PHOTON DIFFRACTIVE DISSOCIATION TO rho rho pi AND rho pi pi pi STATES

The Omega Photon collaboration Atkinson, M. ; Axon, T.J. ; Barberis, D. ; et al.
Z.Phys.C 38 (1988) 535, 1988.
Inspire Record 261249 DOI 10.17182/hepdata.48824

This paper reports studies of the reactions γp→ρ π π πp and γp→ρ ρ πp. In particular a peak is reported in the ρ ρ π mass spectrum with closely similar mass and width to those of the ω ρ π peak previously reported in the reaction γp→ω ρ πp. The ratio of production cross sections is found to be ρ ρ π/ω ρ π=0.96±0.19, in serious disagreement with the expectation from Vector Meson Dominance. A possible explanation is indicated.

2 data tables
Table 1

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Table 2

Numerical values requested from authors.


DIFFRACTION PROCESSES IN SIX BODY EXCLUSIVE K+ P REACTIONS AT 32-GEV/C. (IN RUSSIAN)

Azhinenko, I.V. ; Amaglobeli, N.S. ; Vorobev, A.P. ; et al.
Sov.J.Nucl.Phys. 46 (1987) 464, 1987.
Inspire Record 240069 DOI 10.17182/hepdata.10330

None

31 data tables
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Comparison of Strange Anti-baryon and Strange Meson Production in $K^+ p$ Interactions at 32-{GeV}/$c$

Chliapnikov, P.V. ; Gerdyukov, L.N. ; Khromova, G.N. ; et al.
Z.Phys.C 12 (1982) 99, 1982.
Inspire Record 167341 DOI 10.17182/hepdata.10880

New experimental results are presented on inclusive production properties of\(\bar \Sigma ^{ *+ } \)(1385) and\(\bar \Sigma ^{ *+ } \)(1385) inK+p interactions at 32 GeV/c. The analysis is based on significantly larger statistics than previously available. A comparison is also made of invariantx-distributions ofK0/\(\bar K^0 \),\(\bar \Lambda \) and\(\bar \Xi ^ +\) and of\(\bar \Sigma ^{ *\pm } \)(1385) andK*+(892). These spectra exhibit regularities expected from the quark-recombination picture when it is assumed that the strange mesons and antibaryons are produced off the strange\(\bar s\)-valence-quark in the incidentK+ meson. Transverse momentum distributions are also presented forK*+(892) and\(\bar \Sigma ^{ *\pm } \)(1385) and found to be very similar. The results on strange antibaryon average multiplicities disagree strongly with a recent version of the additive quark model.

32 data tables
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EXCLUSIVE REACTIONS IN pi+ p INTERACTIONS AT 32-GeV/c

Azhinenko, I.V. ; Belokopytov, Yu.A. ; Borovikov, A.A. ; et al.
Sov.J.Nucl.Phys. 34 (1981) 821, 1981.
Inspire Record 165497 DOI 10.17182/hepdata.41255

None

19 data tables
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GENERAL FEATURES AND CLUSTER - LIKE PROPERTIES OF REACTION K+ p ---> K+ p 2 pi+ 2 pi- AT 32-GeV/c

Azhinenko, I.V. ; Belokopytov, Yu.A. ; Chliapnikov, P.V. ; et al.
Sov.J.Nucl.Phys. 34 (1981) 584, 1981.
Inspire Record 165495 DOI 10.17182/hepdata.10705

None

58 data tables
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Inclusive Production of $\Delta^{++}$(1232) and $\Sigma^\pm$(1385) in $K^+ p$ Interactions at 32-{GeV}/$c$

The Soviet-CERN collaboration Azhinenko, I.V. ; Barth, M. ; Belokopytov, Yu.A. ; et al.
IFVE-80-129, 1980.
Inspire Record 156508 DOI 10.17182/hepdata.41431

None

9 data tables
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Inclusive Production of $\rho^0$ and $\phi$ in $K^+ p$ Interactions at 32-{GeV}/c

The Soviet-CERN collaboration Vorobjev, A.P. ; Gerdyukov, L.N. ; Knyazev, V.V. ; et al.
Nucl.Phys.B 176 (1980) 303, 1980.
Inspire Record 153559 DOI 10.17182/hepdata.48999

Inclusive ϱ 0 and φ production is investigated in K + p interactions at 32 GeV/ c . Total and semi-inclusive ϱ 0 and φ cross sections, longitudinal and transverse momentum distributions, including 〈 P T versus x dependence are presented. No evidence for a sea-gull effect is observed. Comparison with quark models strongly suggests the possibility that a large fraction of the ϱ 0 and vector mesons are produced as fragmentation products of the incident particles. Study of uncorrelated π + π − pairs in the ϱ 0 mass range provides possible indirect evidence for the existence of diquarks in the proton.

39 data tables
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