Neutral-strange-particle production by 300-GeV protons

P. Skubic, O. E. Overseth, K. Heller, M. Sheaff, L. Pondrom, P. Martin, R. March, R. Handler, G. Bunce, P. Yamin, L. Schachinger, J. Norem, R. T. Edwards, B. Edelman, T. Devlin

Research output: Contribution to journalArticlepeer-review

114 Scopus citations


A neutral beam designed to transmit a high flux of Λ0 hyperons with momenta above 50 GeV/c has been built and operated at Fermilab. Inclusive production cross sections per target nucleus have been measured for p+A→Λ0+X, p+A→KS0+X, and p+A→Λ̄0+X with 300-GeV protons incident on solid targets A=berylium,copper,andlead. The region of phase space covered is predominantly projectile fragmentation: 0.2<~x<~1, 0<~p<~2 GeV/c. The A dependence of the inclusive cross sections is analyzed. The cross sections are compared to other work in pp collisions by extrapolating the A dependence to A=1. The results of measurements of Λ0 and Λ̄0 polarization from the beryllium target are presented.

Original languageEnglish (US)
Pages (from-to)3115-3144
Number of pages30
JournalPhysical Review D
Issue number9
StatePublished - 1978


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