K_s^0 and Lambda^0 Production Studies in pbar-p Collisions at sqrt(s)=1800 and 630 GeV

Details K_s^0 and Lambda^0 Production Studies in pbar-p Collisions at sqrt(s)=1800 and 630 GeV K_s^0 and Lambda^0 Production Studies in pbar-p Collisions at sqrt(s)=1800 and 630 GeV

2005-04-26

arxiv.org/abs/hep-ex/0504048v1

Phys.Rev.D72:052001,2005

Physics

High Energy Physics

High Energy Physics - Experiment

47 pages, 20 figures, to be submitted to Phys.Rev.D

Scientific paper

10.1103/PhysRevD.72.052001

We present a study of the production of K_s^0 and Lambda^0 in inelastic pbar-p collisions at sqrt(s)= 1800 and 630 GeV using data collected by the CDF experiment at the Fermilab Tevatron. Analyses of K_s^0 and Lambda^0 multiplicity and transverse momentum distributions, as well as of the dependencies of the average number and of K_s^0 and Lambda^0 on charged particle multiplicity are reported. Systematic comparisons are performed for the full sample of inelastic collisions, and for the low and high momentum transfer subsamples, at the two energies. The p_T distributions extend above 8 GeV/c, showing a higher than previous measurements. The dependence of the mean K_s^0(Lambda^0) p_T on the charged particle multiplicity for the three samples shows a behavior analogous to that of charged primary tracks.

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