Shiu, S.H.
Kaon-Proton Scattering
SIG
[5.0, 10.0]
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Charged K* (890) Production at 13-GeV/c

Estabrooks, P. ; Carnegie, R.K. ; Brandenburg, G.W. ; et al.
Phys.Rev.D 17 (1978) 658, 1978.
Inspire Record 120824 DOI 10.17182/hepdata.24375

We present high-statistics data on differential cross sections and density matrix elements for K*±(890) 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*+ and K*− 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 ω exchanges. These two phenomenological models lead to different predictions for the energy dependence of K*± production, for the relative K*(1420)K*(890) production rate, and for the SU(3)-related ρ± production processes.

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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A Comparison of K+- n Charge Exchange Reactions at 8.5-GeV/c and 13-GeV/c

Gilchriese, M.G.D. ; Dunwoodie, W.M. ; Fieguth, T.H. ; et al.
Phys.Rev.Lett. 40 (1978) 6, 1978.
Inspire Record 120363 DOI 10.17182/hepdata.20886

The cross sections for the line-reversed reaction pairs K+n→K0p and K−p→K¯0n, and K+p→K0Δ++ and K−n→K¯0Δ− have been determined with high statistics and good relative normalization at 8.36 and 12.8 GeV/c in a spectrometer experiment at Stanford Linear Accelerator Center. The cross sections for the K+-induced reactions are larger than for the K−, contrary to the expectations of weakly-exchange-degenerate Regge-pole models. The ratio of the reaction cross sections is about the same as at lower energies and shows little change with momentum transfer.

4 data tables
Table 1

Axis error includes +- 11/11 contribution.

Table 2

Axis error includes +- 11/11 contribution.

Table 3

Axis error includes +- 11/11 contribution.

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Differential Cross-Sections for the Reactions K- p --> anti-K0 n, K- p --> anti-K0 Delta0, and K+ p --> K0 Delta++ at 13-GeV/c

Brandenburg, G.W. ; Carnegie, R.K. ; Cashmore, R.J. ; et al.
Phys.Rev.D 15 (1977) 617, 1977.
Inspire Record 110057 DOI 10.17182/hepdata.24603

Differential cross sections for the reactions K−p→K¯0n, K−p→K¯0Δ0, and K+p→K0Δ++ in the region 0<|t|<1.2 GeV2 are presented from a wire-spark-chamber spectrometer experiment performed in a 13-GeV/c separated beam. The results are based on 20 000 Δ++ events, 4600 Δ0 events, and 8500 n events. The line-reversed pair of Δ reactions is used to test Regge exchange degeneracy and an SU(3) sum rule. The energy dependence of all three reactions is studied by comparison with other experiments.

2 data tables
Table 1

No description provided.

Table 2

TMIN IS SO MUCH LESS THAN THE RESOLUTION THAT TP DOES NOT DIFFER SIGNIFICANTLY FROM T.