Charged-K*(890)production at 13GeV/c | Zendy

P.G. Estabrooks | Zendy; R.K. Carnegie | Zendy; G. W. Brandenburgh | Zendy; R.J. Cashmore | Zendy; M. Davier | Zendy; W. M. Dunwoodie | Zendy; T. A. Lasinski | Zendy; D. W. G. S. Leith | Zendy; J. A. J. Matthews | Zendy; P. Walden | Zendy

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Charged-K*(890)production at 13GeV/c

Author(s) -

P.G. Estabrooks,

R.K. Carnegie,

G. W. Brandenburgh,

R.J. Cashmore,

M. Davier,

W. M. Dunwoodie,

T. A. Lasinski,

D. W. G. S. Leith,

J. A. J. Matthews,

P. Walden

Publication year - 1978

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.17.658

Subject(s) - physics , production (economics) , isoscalar , particle physics , statistics , combinatorics , nuclear physics , mathematics , economics , macroeconomics

We present high-statistics data on differential cross sections and density matrix elements for K/sup + -//sup()production obtained in a 13-GeV/c SLAC experiment. The most remarkable features of the data are the dominance of natural-parity exchange and significant differences between K/sup +/ and K/sup -/ production by natural-parity isoscalar exchange. We present two exchange models which successfully describe this difference, as well as the overall t dependence: model A including Pomeron plus strongly exchange-degenerate Regge poles and model B involving broken exchange degeneracy for the f and ..omega.. exchanges. These two phenomenological models lead to different predictions for the energy dependence of K/sup + -/production, for the relative K(1420)/K(890) production rate, and for the SU(3) -related rho/sup + -/production processes.

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