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Determination of the total c(c)over-bar production cross section in 340 GeV/c Sigma(-)-nucleus interactions

Adamovich, M.I. et al. (2000) Determination of the total c(c)over-bar production cross section in 340 GeV/c Sigma(-)-nucleus interactions. European Physical Journal C, 13 (2). 247 -254. ISSN 1434-6044 (doi:10.1007/s100520000318)

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4053b

Publisher's URL: http://dx.doi.org/10.1007/s100520000318

Abstract

The production of charmed particles by 340 GeV/c momentum Sigma(-) was studied in the hyperon beam experiment WA89 at the CERN-SPSI using the Omega-spectrometer. In two data-taking periods in 1993 and 1994 an integrated luminosity of 1600 mu b(-1) on copper and carbon targets was recorded. From the reconstruction of 930 +/- 90 charm particle decays in 10 decay channels production cross sections for D! D, D-s(-) and Lambda(c)(+) were determined in the region x(F) gt 0. Assuming an Al dependence of the cross section on the nucleon number, we calculate a total c (c) over bar production cross section of sigma(c (c) over bar)(x(F) gt 0) = 5.3 +/- 0.4 (stat) +/- 1.0 (syst) + 1.0 (Xi(c)) mu b per nucleon. The last term is an upper limit on the unknown contribution from charmed-strange baryon production.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Rosner, Prof Guenther
Authors: Adamovich, M.I., Alexandrov, Y.A., Barberis, D., Beck, M., Berat, C., Beusch, W., Boss, M., Brons, S., Bruckner, W., Buenerd, M., Busch, C., Buscher, C., Charignon, F., Chauvin, J., Chudakov, E.A., Dersch, U., Dropmann, F., Engelfried, J., Faller, F., Fournier, A., Gerassimov, S.G., Godbersen, M., Grafstrom, P., Haller, T., Heidrich, M., Hubbard, E., Hurst, R.B., Konigsmann, K., Konorov, I., Keller, N., Martens, K., Martin, P., Masciocchi, S., Michaels, R., Muller, U., Neeb, H., Newbold, D., Newsom, C., Paul, S., Pochodzalla, J., Potashnikova, I., Povh, B., Ransome, R.D., Ren, Z., Rey-Campagnolle, M., Rosner, G., Rossi, L., Rudolph, H., Scheel, C., Schmitt, L., Siebert, H.W., Simon, A., Smith, V.J., Thilmann, O., Trombini, A., Vesin, E., Volkemer, B., Vorwalter, K., Walcher, T., Walder, G., Werding, R., Wittmann, E., and Zavertyaev, M.V.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:European Physical Journal C
Publisher:Springer-Verlag
ISSN:1434-6044

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