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Comparison of Strange Anti-baryon and Strange Meson Production in $K^+ p$ Interactions at 32-{GeV}/$c$

Chliapnikov, P.V. ; Gerdyukov, L.N. ; Khromova, G.N. ; et al.
Z.Phys.C 12 (1982) 99, 1982.
Inspire Record 167341 DOI 10.17182/hepdata.10880

New experimental results are presented on inclusive production properties of\(\bar \Sigma ^{ *+ } \)(1385) and\(\bar \Sigma ^{ *+ } \)(1385) inK+p interactions at 32 GeV/c. The analysis is based on significantly larger statistics than previously available. A comparison is also made of invariantx-distributions ofK0/\(\bar K^0 \),\(\bar \Lambda \) and\(\bar \Xi ^ +\) and of\(\bar \Sigma ^{ *\pm } \)(1385) andK*+(892). These spectra exhibit regularities expected from the quark-recombination picture when it is assumed that the strange mesons and antibaryons are produced off the strange\(\bar s\)-valence-quark in the incidentK+ meson. Transverse momentum distributions are also presented forK*+(892) and\(\bar \Sigma ^{ *\pm } \)(1385) and found to be very similar. The results on strange antibaryon average multiplicities disagree strongly with a recent version of the additive quark model.

32 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Neutral Strange Particle Production in $K^+ p$ Interactions

The CERN-Soviet collaboration Ajinenko, I.V. ; Chliapnikov, P.V. ; Falaleev, V.P. ; et al.
Z.Phys.C 23 (1984) 307, 1984.
Inspire Record 193424 DOI 10.17182/hepdata.10722

The production properties ofKs0,\(\bar \Lambda\) andK+p interactions at 32 GeV/c are investigated using the final statistics of the experiment. We present total and semi-inclusive cross sections and aver-age multiplicities. Estimates are given of the diffractive dissociation contributions to total and differential cross sections. Thex-,pT−, and transverse mass dependence of inclusive and semi-inclusive distributions is discussed as well as properties of “prompt”Ks0's. The ratio of “prompt”K890+ (K8900) to “prompt”K0 cross sections is measured to be 1.03±0.12 (0.98±0.17). From a comparison of\(\bar \Lambda\) production inK±p interactions at 32 GeV/c, we estimate a strange sea-quark suppression of 0.26 ±0.02. The double differential cross sections ofKs0's is studied as a function of Feynman-x andpT2, and a Triple-Regge fit performed. The data are compared in detail to versions of the Lund-model for low-pT hadronic collisions.

27 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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The Missing Mass Squared Dependence of the Average Charged Particle Multiplicity in the Reaction K+ p --> K0 X++ from 5-GeV/c-16-GeV/c

Chliapnikov, P.V. ; Gerdyukov, L.N. ; Minaev, N.G. ; et al.
Phys.Lett.B 52 (1974) 375-380, 1974.
Inspire Record 90218 DOI 10.17182/hepdata.50028

The average charged particle multiplicity, 〈 n ch ( M X 2 )〉, in the reaction K + p→K o X ++ is studied as a function of the mass squared, M X 2 , of the recoil system X and also as a function of the K o transverse momentum, p T , at incident momenta of 5.0, 8.2 and 16.0 GeV/ c . The complete data samples yield distributions which are not independent of c.m. energy squared, s , They exhibit a linear dependence on log ( M X 2 X / M o 2 )[ M o 2 =1 GeV 2 ] with a change in slope occurring for M X 2 ≈ s /2, and do not agree with the corresponding distributions of 〈 n ch 〉 as a function of s for K + p inelastic scattering. Sub-samples of the data for which K o production via beam fragmentation, central production and target fragmentation are expected to be the dominant mechanisms show that, within error, the distribution of 〈 n ch ( M X 2 )〉 versus M X 2 is independent of incident momentum for each sub-sample separately. In particular in the beam fragmentation region the 〈 n ch ( M X 2 )〉 versus M X 2 distribution agrees rather well with that of 〈 n ch 〉 versus s for inelastic K + p interactions. The latter result agrees with recent results on the reactions pp → pX and π − p → pX in the NAL energy range. Evidence is presented for the presence of different production mechanisms in these separate regions.

1 data table
Table 1

Two parametrizations are used for fitting of the mean multiplicity of the charged particles : MULT = CONST(C=A) + CONST(C=B)*LOG(M(P=4 5)**2/GEV**2) and MULT = CONST(C=ALPHA)**(M(P=4 5)**2/GEV**2)**POWER.


AN ESTIMATE OF THE CENTRAL anti-LAMBDA PRODUCTION IN CROSS-SECTION OF THE REACTION K+ p ---> anti-LAMBDA X AT 32-GeV/c

Garuchava, Z.Sh. ; Uvarov, V.A. ; Chliapnikov, P.V. ;
JETP Lett. 47 (1988) 145, 1988.
Inspire Record 253634 DOI 10.17182/hepdata.40793

None

1 data table
Table 1

No description provided.


A Study of Inclusive $\phi$ Meson Production in Association With Other Particles in $K^+ p$ Reactions at 32-{GeV}/$c$

The Soviet-CERN collaboration Azhinenko, I.V. ; Chliapnikov, P.V. ; Gritsaenko, I.A. ; et al.
Sov.J.Nucl.Phys. 39 (1984) 914, 1984.
Inspire Record 195743 DOI 10.17182/hepdata.41131

None

5 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////NOT GIVEN).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////NOT GIVEN).

Table 3

Axis error includes +- 0.0/0.0 contribution (?////NOT GIVEN).

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Vector meson production and the kaon structure function

Chliapnikov, P.V. ; Knyazev, V.V. ; Likhoded, A.K. ; et al.
IFVE-80-122, 1980.
Inspire Record 155759 DOI 10.17182/hepdata.41612

None

3 data tables
Table 1

No description provided.

Table 2

FOR REACTION K+ P --> K0 ANYTHING K0S ARE PROMPT.

Table 3

No description provided.


$K^+$ Fragmentation and Prompt Kaon Production in $K^+ P$ Collisions at 70-{GeV}/c

De Wolf, E.A. ; Goldschmidt-Clermont, Y. ; Spyropoulou-Stassinaki, M. ; et al.
Z.Phys.C 31 (1986) 13-19, 1986.
Inspire Record 232414 DOI 10.17182/hepdata.15895

We present data on inclusive production ofK+ andKS0 mesons in a 70 GeV/cK+p experiment performed in BEBC filled withH2. Cross sections and inclusive Feynman-x distributions for identifiedK+'s andKS0's are presented. The spectra of “prompt” non-diffractiveKS0 are determined by subtraction of the decay products of prominent resonances and diffractive contributions. These data, contrary to the overall inclusive spectra, allow to differentiate between some fragmentation models for soft hadron-hadron interactions.

1 data table
Table 1

No description provided.


Inclusive Neutral Kaon Production in 70-{GeV}/$c K^+ P$ Interactions

Barth, M. ; De Clercq, C. ; De Wolf, E. ; et al.
Nucl.Phys.B 191 (1981) 39-62, 1981.
Inspire Record 172451 DOI 10.17182/hepdata.34243

The inclusive production of neutral kaons in 70 GeV/ c K + p interactions is studied with the CERN BEBC bubble chamber. The (semi-)inclusive cross sections are interpreted in terms of the various strangeness channels leading to neutral kaon production. The invariant inclusive cross section for kaon production is studied as a function of p t 2 and the Feynman variable x . The latter distributions are considered both “raw” and corrected for the presence of K 0 's resulting from K ∗ decay. They are compared with the predictions expected from the Regge-Mueller formalism, the recombination model and fragmentation models.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Study of the Inclusive Reaction K+ p --> K0 Anything at 5-GeV/c, 8.2-GeV/c and 16-GeV/c in the Central Region

Chliapnikov, P.V. ; Gerdyukov, L.N. ; Lugovsky, S.B. ; et al.
Nucl.Phys.B 97 (1975) 1-10, 1975.
Inspire Record 99425 DOI 10.17182/hepdata.31898

The inclusive reaction K + p → K 0 + X is studied at 5, 8.2 and 16 GeV/ c . The energy dependence and the shapes of inclusive spectra in the central region are found to be consistent with double-Regge expansion. With the values obtained for the parameters of the Regge expansion, prediction are made for the behaviour of the cross section at higher energies.

6 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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