Chikilev, O.G.
K+ P --> P X
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Strange and Nonstrange Baryon Production in $\pi^+ p$ and $K^+ p$ Interactions at 250-{GeV}/$c$

The EHS/NA22 collaboration Ajinenko, I.V. ; Atayan, M.R. ; Belokopytov, Yu. A. ; et al.
Z.Phys.C 44 (1989) 573, 1989.
Inspire Record 283744 DOI 10.17182/hepdata.15338

We present data on the production of the baryons Λ,\(\bar \Lambda \),p and of the baryon resonances Σ*+ (1385) and Δ++ (1232) inK+p and π+p interactions at 250 GeV/c. Results are given on total and semi-inclusive cross sections, Feynman-x spectra, transverse momentum distributions and Λ polarization. The data are compared with measurements at lower energies, with deep inclastic lepton nucleon data and with predictions of quark-parton models. The models underestimate Λ production in the central c.m. region, a feature also seen in recent heavy-ion data. This failure can be cured in JETSET 6.3 by adjustment of the di-quark break-up probability.

30 data tables
Table 1

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Single Diffraction Dissociation in $\pi^+ p$ and $K^+ p$ Interactions at 250-{GeV}/$c$

The EHS/NA22 collaboration Adamus, M. ; Azhinenko, I.V. ; Almeida, F.M.L., Jr. ; et al.
Z.Phys.C 39 (1988) 301, 1988.
Inspire Record 254506 DOI 10.17182/hepdata.15646

None

1 data table
Table 1

No description provided.


Study of the Inclusive Reactions $K^+ p \to p$ X and $K^+ p \to p K^0$ X at 32-{GeV}/$c$

The French-Soviet & CERN-Soviet collaborations Laurent, J. ; Dujardin, C. ; Grard, F. ; et al.
Nucl.Phys.B 149 (1979) 189-210, 1979.
Inspire Record 132914 DOI 10.17182/hepdata.34832

The inclusive production of protons with laboratory momentum less than 1.2 GeV/ c is studied in the reacion K + p → pX at 32 GeV/ c . A comparison with the 16 GeV/ c data shows ahat the total cross section remains practically constant while the structure function shows a clear energy dependence. The data are compatible with a tripls-Regge expansion and with factorization. About 40% of the events include a K 0 in the final state. The analysis of the K 0 pX sample indicates a sizeable contribution of beam fragmentation and abundant K 890 ∗ and Δ ++ production.

3 data tables
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Study of Slow Inclusive Protons in K+ p Interactions at 16-GeV/c

The Birmingham-Brussels-CERN-Mons-Serpukhov collaboration Azhinenko, I.V. ; Chliapnikov, P.V. ; Gorbunov, P.A. ; et al.
Nucl.Phys.B 123 (1977) 493-506, 1977.
Inspire Record 110287 DOI 10.17182/hepdata.35382

The reaction K + p → p + X is studied at a beam momentum of 16 GeV/ c using the events where a slow proton with momentum p lab < 1.2 GeV/ c is identified by its bubble density. The inclusive spectra presented and compared with those obtained in K + p interactions at 32 GeV/ c and K − p interactions at 14.3 GeV/ c . The prominent features associated with a triple-Regge formula are found to be consistent with the data. It is shown that the Δ ++ (1236) production strongly affects the shape of the inclusive spectra and the results of the triple-Regge fit. After removal of events associated with Δ ++ (1236) production, the data are consistent with the dominance of an ffR coupling.

4 data tables
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Table 2

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Table 3

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