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Determination of the total c anti-c production cross-section in 340-GeV/c sigma- nucleus interactions

The WA89 collaboration
Eur.Phys.J. C13 (2000) 247-254, 2000

Abstract (data abstract)
CERN-SPS. Measurement of the production of charmed particles in collisions of 340 GeV SIGMA- hyperons with copper and carbon targets using the OMEGA spectrometer. The data were taken during the 1993 and 1994 SPS running periods and correspond to an integrated luminosity of 1600 mub-1.The data from both targets arecombined and converted to a NUCLEON cross section using a linear dependence on the atomic mass of the target.

  • Table 1

    Data from T 1


    Fits to the DSIG/DXL and DSIG/DPT**2 distributions in the range XL > 0. Theerrors shown are statistical only.. The fits...

  • Table 2

    Data from T 3


    The production cross sections for anti-charmed and charmed hadrons in the range XL > 0. The Errors are statistical only.

  • Table 3

    Data from P 6 (C=PREPRINT)


    The total CQUARK+CQUARKBAR cross section in the range XL > obtained as the weighted average of the sum of all...

  • Table 4

    Data from f 5,P 7 (C=PREPRINT)


    The of the measured D+DBAR production cross section.

  • Table 5

    Data from P 7 (C=PREPRINT)


    The ratio of the measured D to DBAR production cross sections.

  • Table 6

    Data from P 7 (C=PREPRINT)


    The ratio of the measured D/S- to (D+DBAR) production cross sections.

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