HEPData Search

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Neutral Strange Particle Production in $K^+ p$ Interactions

The CERN-Soviet collaboration Ajinenko, I.V. ; Chliapnikov, P.V. ; Falaleev, V.P. ; et al.

Z.Phys.C 23 (1984) 307, 1984.

Inspire Record 193424 DOI 10.17182/hepdata.10722

The production properties ofKs0,$\bar \Lambda$ andK+p interactions at 32 GeV/c are investigated using the final statistics of the experiment. We present total and semi-inclusive cross sections and aver-age multiplicities. Estimates are given of the diffractive dissociation contributions to total and differential cross sections. Thex-,pT−, and transverse mass dependence of inclusive and semi-inclusive distributions is discussed as well as properties of “prompt”Ks0's. The ratio of “prompt”K890+ (K8900) to “prompt”K0 cross sections is measured to be 1.03±0.12 (0.98±0.17). From a comparison of$\bar \Lambda$ production inK±p interactions at 32 GeV/c, we estimate a strange sea-quark suppression of 0.26 ±0.02. The double differential cross sections ofKs0's is studied as a function of Feynman-x andpT2, and a Triple-Regge fit performed. The data are compared in detail to versions of the Lund-model for low-pT hadronic collisions.

27 data tables

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Single and Double Diffraction Dissociation in K+ p Interactions at 32-GeV/c

The French-Soviet & CERN-Soviet collaborations Saudraix, J. ; Denegri, D. ; Loret, M. ; et al.

SACLAY-DPhPE 77-19, 1977.

Inspire Record 121747 DOI 10.17182/hepdata.19296

None

1 data table

Table 1

No description provided.

Inclusive Production Cross-Sections of Resonances in 32-GeV/c K+ p Interactions

The French-Soviet & CERN-Soviet collaborations Granet, P. ; Mosca, L. ; Saudraix, J. ; et al.

Nucl.Phys.B 140 (1978) 389, 1978.

Inspire Record 121746 DOI 10.17182/hepdata.34983

The inclusive production of resonances is systematically studied in K + p interactions at 32 GeV/ c . Total production cross sections are given for three baryon resonances, five vector and three 2 + tensor mesons. We also compare the central and fragmentation components of the total production cross sections with quark model predictions.

7 data tables

Table 1

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A STUDY OF JET LIKE STRUCTURE OF LOW P(T) K- p AND anti-p p INTERACTIONS AT 32-GeV/c

The CERN-Soviet collaboration Babintsev, V.V. ; Bumazhnov, V.A. ; Gensch, U. ; et al.

IFVE-83-95, 1983.

Inspire Record 191940 DOI 10.17182/hepdata.10579

None

29 data tables

Table 1

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anti-LAMBDA PRODUCTION IN K- p INTERACTIONS AT 32-GeV/c

The French-Soviet & CERN-Soviet collaborations Gensch, U. ; Klein, R. ; Schreiber, H.J. ; et al.

Z.Phys.C 2 (1979) 7, 1979.

Inspire Record 142667 DOI 10.17182/hepdata.16317

Antilambda production is studied inK−p interactions at 32 GeV/c. Both total and differential cross sections are presented. The inclusive$\bar \Lambda $ production cross section amounts to 109±7 μb. A remarkable energy dependence is observed, σ($\bar \Lambda $) increasing by a factor of four between 14.3 and 32 GeV/c. Thep⊥2 distribution exhibits an exponential fall-off with a slope of 3.3±0.2 (GeV/c)−2. Most of the$\bar \Lambda $'s are emitted in the forward hemisphere. The invariantx distribution increases between 14.3 and 32 GeV/c. Data are presented for$\bar \Lambda $ production inK-p→Λ$\bar \Lambda $+XK-p→$\bar \Lambda $Kn+X, andK-p→$\bar \Lambda $p+X.

1 data table

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Inclusive and Semiinclusive Reactions With Neutral Kaons in $K^- p$ Interactions at 32-{GeV}/$c$

The French-Soviet & CERN-Soviet collaborations Arestov, Yu.I. ; Borovikov, A.A. ; Bryukhanova, T.M. ; et al.

Z.Phys.C 7 (1980) 97-110, 1980.

Inspire Record 140528 DOI 10.17182/hepdata.1412

None

3 data tables

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A Study of Multiparticle Fragmentation in $K^+ p$ Interactions at 32-{GeV}/$c$

The CERN-Soviet collaboration De Wolf, E.A. ; Dumont, J.J. ; Verbeure, F. ; et al.

Z.Phys.C 12 (1982) 105, 1982.

Inspire Record 169082 DOI 10.17182/hepdata.41344

Results are presented on inclusive production of resonant and non-resonant particle systems produced inK+p interactions at 32 GeV/c. We compareK*+(892),$\bar \Sigma ^{ *- } $(1385), Σ*±(1385), and ϱ0 inclusivex-spectra with the ones of non-resonantKs0π±,$\bar \Lambda \pi ^ -$, Λπ± and π+π− pairs at the same effective mass. Resonance-particle pairsK*+π±, Σ*+π−, and$\bar \Sigma ^{ *- } \pi ^ -$ are also studied together with non-resonant tripletsKs0π±, Λπ+π−,$\bar \Lambda \pi ^ -\pi ^ -$. The invariantx-spectra of resonant particle pairs decrease less rapidly withx then the corresponding non-resonant pairs. Comparison with quark-recombination predictions indicates that the particles, resonances and multiparticle systems are probably created off a single valence quark or diquark instead of carrying all possible valence-quarks.

19 data tables

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K*+ (892) AND rho0 PRODUCTION WITH MESON AND BARYON TRIGGERS IN THE FRAGMENTATION PROCESSES IN K+ p INTERACTIONS AT 32-GeV/c

The CERN-Soviet collaboration Azhinenko, I.V. ; Barth, M. ; Chliapnikov, P.V. ; et al.

IFVE-81-158, 1981.

Inspire Record 169081 DOI 10.17182/hepdata.38333

None

11 data tables

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Two Particle Production in $K^+ p$ Interactions at 32-{GeV}/$c$

The CERN-Soviet & French-Soviet collaborations De Wolf, E.A. ; Dumont, J.J. ; Immerseel, M.Van ; et al.

Z.Phys.C 8 (1981) 189, 1981.

Inspire Record 159285 DOI 10.17182/hepdata.11046

Results are presented on two-particle inclusive production inK+p interactions at 32 GeV/c. We study thex1,2=x1+x2 dependence of invariant structure functions of (ππ)-pairs and compare them to single particle inclusive distributions in the fragmentation regions. Distributions of particles observed at Feynmanx2 in association with various “trigger” particles or systems atx1 in the same hemisphere are dicussed in terms of the reduced variable$\tilde x_2= x_2 /(1 - |x_1 |)$. We further present absolute production rates and production ratios of π+'s and π−'s associated with π±,Ks0, Λ,$\bar \Lambda $,K*+ (890), (Ks0π+), and (π+ π−)-triggers, and compare them with qualitative predictions of the quark recombination model. Forwardbackward correlations between (Ks0π±), (Ks0,p), (Λ, π−),$(\bar \Lambda \pi ^ \pm)$, and (p, π−) pairs are also discussed.

26 data tables

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