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Charge asymmetries for D, D/s and Lambda/c production in Sigma- nucleus interactions at 340-GeV/c.

The WA89 collaboration Adamovich, M.I. ; Alexandrov, Y.A. ; Barberis, D. ; et al.
Eur.Phys.J.C 8 (1999) 593-601, 1999.
Inspire Record 468443 DOI 10.17182/hepdata.49501

CERN experiment WA89 has studied charmed particles produced by a Sigma^- beam at 340 GeV/c on nuclear targets. Production of particles which have light quarks in common with the beam is compared to production of those which do not. Considerable production asymmetries between D^- and D^p, D_s^ and D_s^+ and Lambda_c and Antilambda_c are observed. The results are compared with pion beam data and with theoretical calculations.

3 data tables
Table 1

The expectation values, and the lower limits, of the measured asymmetries between D+ and D- production. Statistical errors only are presented.

Table 2

The expectation values, and the lower limits, of the measured asymmetries between D/S+ and D/S- production. Statistical errors only are presented.

Table 3

The expectation values, and the lower limits, of the measured asymmetries between LAMBDA/C+ and LAMBDA/CBAR- production. Statistical errors only are presented.