Titlebook: Quark Matter; Proceedings of the S Helmut Satz,Hans Joachim Specht,Reinhard Stock Conference proceedings 1988 Springer-Verlag Berlin Heidel

熱心

情感脆弱

,A study of π and , production in proton-uranium and oxygen-uranium interactions at 22 GeV/, using ddecays of π and . mesons in comparable proportions. The + +/? ? ratio is large (?1.7) and ascribed to the .. being more copiously produced than the ... Both the average transverse momentum and the + +/? ? ratio are comparable for .?U and O?U reactions, and both increase only slightly with the transverse energy ...

討厭

tangle

有毒

Measurement of energy and charged particle emission in the central rapidity region from O+, and ,+, are also shown. The full complement of E802, including a magnetic spectrometer, was used for the .Si measurement. A different experimental arrangement was used for .O. Comparison measurements with proton beams are presented for both configurations.

不溶解

Charged particle spectra in 16O induced nuclear collisions at the CERN SPS,nted. The data were taken, using a minimum-bias trigger, with the WA80 set-up at the CERN SPS. In this presentation we focus on how the yield of charged particles depends on the projectile energy, the mass number of the target nucleus and the energy measured in a uranium-plastic sampling calorimeter

過(guò)分

Measurement of multiplicity distributions in oxygen-tungsten collisions at 200 GeV per nucleon,dent energy of 200 GeV per nucleon. The multiplicity cross-section . σ/. as measured in the backward hemisphere (0.9 < η. < 2.9) is found to be very similar in shape to the transverse energy distribution .σ/.. published previously by this group, reflecting the particular geometry of nucleus-nucleus

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First results from the hybrid emulsion experiment on 16O-nucleus collisions at 200 GeV/N,ents and of high transverse energy, high multiplicity events is reported. A study of unbiased samples of .O-emulsion interactions, showing in particular the importance of electromagnetic dissociation of the projectile, is presented.

路標(biāo)

Blanch

,Spectra of negative particles and photons in collisions of p — W and 16O — W at 200 GeV/u,ors of 20% the spectra are identical in the range 0.05<..<2.0 GeV/c. The p–W and .O–W spectra exhibit an exponential shape for .. >250 MeV/c. This is consistent with previous p — . data, but there is a significant excess above this exponential at lower ... Photon spectra were measured using a conver