WA97 Results on Strangeness Production in Lead-Lead Collisions at 158 A GeV/c

E Andersen,A Andrighetto,F Antinori,N Armenise,J Ban,D Barberis,H Beker,M Benayoun,W Beusch,J Bohm, M Campbell,E Cantatore,N Carrer,MG Catanesi,E Chesi,M Dameri,G Darbo,JP Davies,A Diaczek,D DiBari,S DiLiberto,A DiMauro,D Elia,D Evans,K Fanebust,P Farthouat,RA Fini,JC Fontaine,BR French,J Ftacnik,W Geist,B Ghidini,G Grella,M Guida,EHM Heijne,H Helstrup,AK Holme,D Huss,A Jacholkowski,P Jovanovic, A Jusko, VA Kachanov,T Kachelhoffer,JB Kinson,A Kirk,W Klempt,K Knudson,I Kralik,JC Lassalle,V Lenti,P Leruste,JA Lien,R Lietava,RA Loconsole,L Lopez,G Lovhoiden,M Luptak,I Macha,V Mack,V Manzari,P Martinengo,MA Mazzoni,F Meddi,A Michalon,ME MichalonMentzer,P Middelkamp, M Morando,MT Muciaccia,E Nappi,JL Narjoux,F Navach,K Norman,B Osculati,B Pastircak,F Pellegrini,K Piska,F Posa,E Quercigh,RA Ricci,G Romano,G Rosa,L Rossi,H Rotscheidt,K Safarik,S Saladino,C Salvo,L Sandor,T Scognetti,G Segato,M Sene,R Sene,P Sennels,S Simone,A Singovski,B Sopko,P Staroba,J Stastny,T Storas,S Szafran,TF Thorsteinsen,G Tomasicchio,J Urban,M Vanickova,G Vassiliadis,M Venables,OV Baillie,T Virgili,A Volte,C Voltolini,MF Votruba,P Zavada

Nuclear physics A（1996）

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摘要

Preliminary results from WA97 measurements on Λ, Ξ and Ω production in lead-lead and proton-lead collisions are presented, along with a comparison of WA97 proton-lead data with previous WA85 proton-tungsten results. The ratio ΩgX seems to be enhanced in lead initiated reactions compared to proton initiated reactions.

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