Henk A. Dijkstra
CERN
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Physics Letters B | 1983
R. Bailey; D. G. Bardsley; H. Becker; G. Blanar; T. Böhringer; M. Bosman; M. Cerrada; V. Chabaud; C. Damerell; C. Daum; H. Dietl; Henk A. Dijkstra; A. Dwurazny; W. Faissler; M. Gettner; D. Giddings; A. R. Gillman; R. Gilmore; L. Görlich; Z. Hajduk; C. Hardwick; L. Hertzberger; W. Hoogland; B. Hyams; R. T. Jongerius; R. Klanner; E. Lorenz; G. Lütjens; G. Lutz; J. Malos
Abstract An experiment has been performed to search for associated hadronic production of charmed mesons, using a large-aperture forward magnetic spectrometer setup in a π− beam at the CERN SPS. A prompt electron trigger was used to select events containing a pair by charmed particles. D mesons have been identified by reconstruction of hadronic decay modes such as Kπ, Kππ. Data have been taken at 120, 175, and 200 GeV, The D D cross section measured at 175 200 GeV is σ( D D ) = (48 ± 15) μ b with a systematic uncertainty of ±50%. The energy dependence of the cross section is measured to be σ( D D ) [120 GeV )/σ( D D [175/200 GeV ] = 0.62 ± 0.34 .
European Physical Journal C | 1984
R. Bailey; D. G. Bardsley; E. Belau; T. Böhringer; M. Bosman; M. Cerrada; V. Chabaud; Chris Damerell; C. Dauin; Gijs de Rijk; Henk A. Dijkstra; A. Dwurazny; A. R. Gillman; R. Gilmore; L. Görlich; Z. Hajduk; C. Hardwick; W. Hoogland; B. Hyams; R. Klanner; G. Lütjens; G. Lutz; J. Malos; W. Männer; G. Polok; M. Rozanska; K. Rybicki; H. J. Seebrunner; W. Spierenburg; U. Stierlin
