|Author||Jones, B. D. ♦ Sanjeevaiah, B. ♦ Zakrzewski, J. ♦ Bizzeti, P. G. ♦ Lagnaux, J. P. ♦ Rene, M. ♦ Beniston, M. J. ♦ Brown, S. A. ♦ Burhop, E. H. S. ♦ Davis, D. H. ♦ Ferreira, D. ♦ Frota-Pessoa, E. ♦ Lasich, W. B. ♦ Raina, N. N. ♦ Amerighi, M. C. ♦ Bonetti, A. ♦ di Corato, M. ♦ Dilworth, C. C. ♦ Fedrighini, C. A. ♦ Quercigh, E. ♦ Sichirollo, A. E. ♦ Vegni, G.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||PHYSICS ♦ ALPHA PARTICLES ♦ CAPTURE ♦ EMISSION ♦ ENERGY ♦ INTERACTIONS ♦ KAONS ♦ KAONS-MINUS ♦ LAMBDA PARTICLES ♦ MASS ♦ NEUTRONS ♦ NUCLEAR EMULSIONS ♦ NUCLEI ♦ PROTONS ♦ REACTION KINETICS ♦ SIGMA PARTICLES ♦ SIGMA-MINUS ♦ SPECTRA|
|Abstract||A study is made of fast baryons emitted from 12,150 K/sup -/ meson interactions at rest in emulsion, in order to determine the nature and extent of K/sup -/ meson-multinucleon capture processes. Fast SIGMA hyperons are produced in at least 9% of all interactions; direct fast LAMBDA /sup o/ hyperon production is indicated by the presence of protons with energies exceeding 200 Mev. An upper limit of 30% is obtained for multinucleon processes (not producing pi mesons) from consideration of pi meson emission. The energy spectra for fast SIGMA hyperons and fast protons are given. Mass determinations on a sample of fast protons reveal about 10% deuterons and tritons. The apparent infrequency of the reaction K/sup -/ + n + n 4YY SIGMA /sup -/ + n is confirmed and an alpha -partlcle model of the K/sup -/ meson-multinucleon interaction proposed to explain both this infrequency and the emission of deuterons and tritons. (auth)|
|Learning Resource Type||Article|
|Publisher Department||H.H. Wills Physical Lab., Bristol, Eng.|
|Organization||H.H. Wills Physical Lab., Bristol, Eng.|
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