Analyses of the Inclusive Distributions p+p→π^±X and K^±X on the Basis of the Kuti-Weisskopf Quark-Parton Model
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概要
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The Kuti-Weisskopf (K-W) quark-parton model is applied to analyses of the hadronic inclusive distributions. This model contains valence quarks, core quarks and gluons, reflecting the two-component duality picture. In our model calculations, the fallowing three processes are assumed to be dominant contributions: a) Quark-anti-quark annihilation into a meson, b) meson-pair production from parton-parton collision and c) bremsstrahlung-like process. The phenomena in the proton fragmentation region are resolved: 1) The behavior of (1-x_F)^<3∼4> is obtained for the nonexotic processes (pp→π^±X and K^+X). 2) A slim shape of x_F-distribution near x_F〜0 is obtained for the exotic process (pp→K^-X). It is found that the π/K ratio can be reproduced by the coefficient twice as large as SU(3) symmetric one. The obtained spectra can reproduce reasonably well the observed data in the wide energy range in terms of only a few parameters.
- 理論物理学刊行会の論文
- 1974-05-25
著者
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Miyamura Osamu
Department Of Applied Mathematics Faculty Of Engineering Science Osaka University
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Biyajima Minoru
Departmemt Of Physics Faculty Of Liberal Arts Shinshu University
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MIYAMURA Osamu
Department of Applied Mathematics, Faculty of Engineering Science, Osaka University
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