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AVERAGE OVER ALL TARGETS.
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A systematic analysis is presented on the reaction K + p → K ∗0 (890) Δ ++ for nine incident momenta between 4.6–16.0 GeV/ c . Cross sections, differential cross sections and vector meson single density matrix elements are given. As a function of energy, little if any change is observed in either the shapes of the differential cross sections or in the values of the density matrix elements. The data are interpreted in terms of current ideas on t -channel exchange mechanisms.
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The production of K s 0 , Λ and Λ is measured in π + p interactions at 32 GeV/ c . The total inclusive cross sections are found to be 2.07±0.14, 1.00±0.10 and 0.14±0.04 mb, respectively. The energy dependence of total inclusive cross sections and inclusive distributions is discussed and a comparison is made with p, p , K + and K − induced reactions. We find that the factorization hypothesis is satisfied for the inclusive reactions π + p→ Λ X and K + p→ Λ X. Multi-strange-particle production is similar in π + p and K + p interactions at 32 GeV/ c . There is evidence for beam fragmentation in Λ production. The hierarchy of Λ inclusive cross sections in p , K + , π + and K − induced reactions at 32 GeV/ c is qualitatively explained by a quark recombination model. The cross sections for inclusive K ∗ + (892) and Σ + (1385) production in 32 GeV/ c π + p interactions are 1.07±0.57 mb and 0.19±0.08 mb, respectively.
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Inclusive production of Δ ++ (1232) with >| t p, Δ ++>|<0.6 (GeV/ c ) 2 is studied in 32 GeV/ c K + p interactions. A systematic comparison with the reaction K + p→pX for >| t p,p>| < 0.6 (GeV/ c ) 2 is made. The production properties of the Δ ++ (1232), of associated π + , π − and K 0 production and of the recoiling system X 0 are investigated in detail. The polarization of the Δ ++ and the energy dependence of the total K + π − cross sections, determined by a Chew-Low extrapolation, are presented and discussed.
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Axis error includes +- 0.0/0.0 contribution (?////NO DECLAIRED SE.DECAY-BR(BRN=K*(892)+ --> K0 PI+,C=PDG 84)//DECAY-BR(BRN=K2*(1430) --> KAON PION,C=PDG 84)//RES-DEF(RES=K*(892)+,BACK=CORRECTED,DEF=0.72 < M(K0 PI+) < 1.20 GEV,C=M AND W FROM PDG 84)//RES-DEF(RES=K2*(1430)+,BACK=CORRECTED,DEF=1.30 < M(K0 PI+) < 1.68 GEV,C=M AND W FROM PDG 84)//RES-DEF(RES=DEL++,BACK=CORRECTED,DEF= M(P PI+) < 1.6 GEV,C=M AND W FROM PDG 84)).
Axis error includes +- 0.0/0.0 contribution (?////NO DECLAIRED SE.DECAY-BR(BRN=K*(892)+ --> K0 PI+,C=PDG 84)//DECAY-BR(BRN=K2*(1430) --> KAON PION,C=PDG 84)//RES-DEF(RES=K*(892)+,BACK=CORRECTED,DEF=0.72 < M(K0 PI+) < 1.20 GEV,C=M AND W FROM PDG 84)//RES-DEF(RES=K2*(1430)+,BACK=CORRECTED,DEF=1.30 < M(K0 PI+) < 1.68 GEV,C=M AND W FROM PDG 84)//RES-DEF(RES=DEL++,BACK=CORRECTED,DEF= M(P PI+) < 1.6 GEV,C=M AND W FROM PDG 84)).
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