Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1996-08-12
Nucl.Phys. A614 (1997) 433-460
Physics
Nuclear Physics
Nuclear Theory
LaTeX file and 12ps figures
Scientific paper
10.1016/S0375-9474(96)00427-7
In a framework of intranuclear cascade (INC) type calculation, we study a momentum spectrum in reactions \KK at a beam momentum of 1.65 GeV/c. INC model calculations are compared with the relativistic impulse approximation (RIA) calculations to perform the detailed study of the reaction mechanism. We find that the INC model can reproduce the experimental data on various targets. Especially, in the low-momentum region, the forward-angle cross sections of the $(K^-,K^+)$ reaction on from light to heavy targets are consistently explained with the two-step strangeness exchange and production processes with various intermediate mesons, and $\phi$, $a_0$ and $f_0$ productions and their decay into $K^+K^-$. In the two-step processes, inclusion of meson and hyperon resonances is found to be essential.
Engel Assaf
Harada Takahiro
Nara Yasushi
Ohnishi Akira
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