Burkhardt, E.
K- P --> OMEGA LAMBDA
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Resonance production and clustering effects in reactions $K^− p \to \Lambda^0$ + pions at an incident beam momentum 8.25 GeV/c

The Athens-Demokritos-Liverpool-Vienna collaboration Michaelidou, Ch. ; Kakoulidou, M. ; Michaelides, P. ; et al.
Nucl.Phys.B 140 (1978) 249-270, 1978.
Inspire Record 1392685 DOI 10.17182/hepdata.35024

We have estimated cross sections for the production of resonances in the reactions K − p → Λ 0 + pions. The data have also been analysed by a method which examines event-to-event fluctuations. Within the framework of the simple parametrization of resonance production assumed, the contribution from the resonances is insufficient to explain the observed fluctuations in the longitudinal emission of the final-state particles. These features are well reproduced by an independent cluster emission model.

1 data table
Table 1

No description provided.


K- p Cross-Sections Between 1.1-GeV/c and 1.4-GeV/c

Griselin, J. ; Givernaud, A. ; Barloutaud, R. ; et al.
Nucl.Phys.B 93 (1975) 189-216, 1975.
Inspire Record 99412 DOI 10.17182/hepdata.6708

K − p reactions have been studied at 13 different incident momenta between 1138 and 1434 MeV/ c . This interval corresponds to a mass of the K − p system varying from 1858 to 1993 MeV. About 300 000 photographs were taken in the 81 cm Saclay hydrogen bubble chamber exposed to a separated K − beam at the CERN proton-synchrotron. A total of about 44 000 events were analyzed, from which partial and differential cross sections were determined. Polarizations were obtained for the two-body reactions where the decay of the Λ or Σ hyperon allowed their measurement. Data for the two-body channels are presented here as well as for the main quasi-two-body reactions.

9 data tables
Table 1

PARTIAL CROSS SECTIONS. DATA AT 1.305 TO 1.434 GEV/C FOR FINAL STATES K- P, K- P PI0 AND K- N PI+ COME FROM THE HAIFA GROUP, S. DADO ET AL.

Table 2

No description provided.

Table 3

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Some Aspects of Lambda Production in the Exclusive Reactions K- p --> Lambda0 (n) Pions at 8.25-GeV/c

The ATHENS-DEMOCRITOS-LIVERPOOL-VIENNA collaboration Girtler, P. ; Markytan, M. ; Dallman, D.P. ; et al.
Nucl.Phys.B 99 (1975) 13-29, 1975.
Inspire Record 104142 DOI 10.17182/hepdata.31862

Cross sections are given for the various exclusive reactions K − p→ Λ 0 + n pions, as well as for quasi two-body final states involving ϱ 0 , ω 0 and Y 1 ∗ (1385) resonance production. The general features of Λ 0 production are presented as a function of the pion multiplicity n . Production of Y 1 ∗+ (1385) is clearly observed at all multiplicities while the Y 1 ∗− (1385) signals grow with the multiplicity, as expected in a non-exotic exchange picture. The polarisation of the Λ 0 is consistent with zero everywhere, except when it is a decay product of Y 1 ∗ (1385), when non-zero values are found for odd values of n . The reactions Λ 0 + 2π and Λ 0 + 3π are analysed in terms of the Plahte-Roberts model and good overall agreement is obtained for the various effective mass distributions and the p L ∗ , p T and cos θ distributions for the individual particles.

1 data table
Table 1

No description provided.