Multiplicity of charged secondaries emitted in association with neutral strange particles in antiproton nucleus collisions at 40-GeV/c.

Akhobadze, K.G. ; Grigalashvili, T.S. ; Chikovani, L.D. ; et al.
Phys.Atom.Nucl. 63 (2000) 834-838, 2000.
Inspire Record 533010 DOI 10.17182/hepdata.31228

In collisions of 40-GeV/c antiprotons with D, Li, C, S, Cu, and Pb nuclei, mean multiplicities of various secondary particles are investigated as functions of the mass number A. The mass-number dependence of the mean multiplicities of positively charged particles suggests that the effect of intranuclear cascades is strong for the emission of Λ hyperons, but that it is relatively weak for the emission of either K 0 or \(\bar \Lambda \). Also measured are the yields of various neutral strange particles with respect to those of charged secondaries.

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Measurement of J/psi and psi' suppression in p A collisions at 800-GeV/c.

The NuSea collaboration Leitch, M.J. ; Lee, W.M. ; Beddo, M.E. ; et al.
Phys.Rev.Lett. 84 (2000) 3256-3260, 2000.
Inspire Record 507188 DOI 10.17182/hepdata.55127

Measurements of the suppression of the yield per nucleon of J/Psi and Psi' production for 800 GeV/c protons incident on heavy relative to light nuclear targets have been made with very broad coverage in xF and pT. The observed suppression is smallest at xF values of 0.25 and below and increases at larger values of xF. It is also strongest at small pT. Substantial differences between the Psi' and J/Psi are observed for the first time in p-A collisions. The suppression for the Psi' is stronger than that for the J/Psi for xF near zero, but becomes comparable to that for the J/Psi for xF > 0.6.

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A-dependencies of neutral strange particle yields at 40-GeV/c anti-p nuclei collisions.

Grigalashvili, T. ; Chikovani, L. ; Ioramashvili, E. ; et al.
Eur.Phys.J.C 10 (1999) 265-270, 1999.
Inspire Record 468341 DOI 10.17182/hepdata.43412

The interactions of $\bar p$ with D(2), Li(7), C(12), S(32), Cu(64) and Pb(207) nuclei at $40 GeV/c$ were studied by RISC-streamer chamber spectrometer. The yields of $K^0$ mesons and $\Lambda$ and $\bar\Lambda$ hyperons as functions of the target nucleus mass numbers are investigated. The experimental results are compared with model predictions using $FRITIOF-7.02$ program package.

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