Gazdzicki, M.
P P --> K- X
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High $p_T K^\pm / \pi^\pm$ Production in $p p$ Collisions at the {ISR}: Strangeness Suppression and Gluon Effects

The Ames-Bologna-CERN-Dortmund-Heidelberg-Warsaw collaboration Breakstone, A. ; Buchanan, C.D. ; Campanini, R. ; et al.
Phys.Lett.B 135 (1984) 510-514, 1984.
Inspire Record 193431 DOI 10.17182/hepdata.30589

The ratios of high p T charged kaon to pion production cross sections at √ s = 45 and 62 GeV are presented. The values of the K ± π ± ratios are essentially independent of both √ s and x T = 2p T √s and are compatible with a strangeness suppression factor λ = 0.55. By contrast, the K − π − values fall with x T suggesting a gluonic origin of K − . QCD calculations agrees with the measurements.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Particle and Anti-particle Production by 200 GeV/c Protons in the Charged Hyperon Beam at the CERN SPS

The Bristol-Geneva-Heidelberg-Orsay-Rutherford-Strasbourg collaboration Bourquin, M. ; Brown, Robert M. ; Chatelus, Y. ; et al.
Nucl.Phys.B 153 (1979) 13-38, 1979.
Inspire Record 133315 DOI 10.17182/hepdata.34699

A charge hyperon beam has been brought into operation at the CERN SPS. Particles are identified by a DISC Čerenkov counter, and decay products are analysed by a magnetic spectrometer. Cross sections for the inclusive production of π + , K + , p , Σ + , Σ − , ζ − , d, and π − , K − , p , Σ + , Σ − , ζ − , ω − , d in the forward direction have been measured at laboratory momenta between 70 and 130 GeV/ c . This range of momenta corresponds to 0.35 ⩽ x ⩽ 0.66 for an incident proton momentum of 200 GeV/ c . Antihyperon ( Σ − , ζ − , Σ + ) and Σ + and ω − fluxes have been measured for the first time in a hyperon beam.

13 data tables
Table 1

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Table 2

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Table 3

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