Production of charm mesons at high transverse momentum in 515 GeV/[Formula presented] [Formula presented]-nucleon collisions

L. Apanasevich, J. Bacigalupi, W. Baker, M. Begel, S. Blusk, C. Bromberg, P. Chang, B. Choudhary, W. H. Chung, L. de Barbaro, W. DeSoi, W. Długosz, J. Dunlea, E. Engels, G. Fanourakis, T. Ferbel, J. Ftacnik, D. Garelick, G. Ginther, M. GlaubmanP. Gutierrez, K. Hartman, J. Huston, C. Johnstone, V. Kapoor, J. Kuehler, C. Lirakis, F. Lobkowicz, P. Lukens, S. Mani, J. Mansour, A. Maul, R. Miller, B. Y. Oh, G. Osborne, D. Pellett, E. Prebys, R. Roser, P. Shepard, R. Shivpuri, D. Skow, P. Slattery, L. Sorrell, D. Striley, W. Toothacker, N. Varelas, D. Weerasundara, J. J. Whitmore, T. Yasuda, C. Yosef, M. Zieliński, V. Zutshi

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


We present results on the production of high transverse momentum charm mesons in collisions of 515 GeV/[Formula presented] negative pions with beryllium and copper targets. The experiment recorded a large sample of events containing high transverse momentum [Formula presented] showers detected in an electromagnetic calorimeter. From these data, a sample of charm mesons has been reconstructed via their decay into the fully charged [Formula presented] mode. A measurement of the single inclusive transverse momentum distribution of charged [Formula presented] mesons from 1 to 8 GeV/[Formula presented] is presented. An extrapolation of the measured differential cross section yields an integrated [Formula presented] cross section of [Formula presented](syst) μb per nucleon for [Formula presented] mesons with [Formula presented]. The data are compared with expectations based upon next-to-leading-order perturbative QCD, as well as with results from PYTHIA. We also compare our integrated [Formula presented] cross section with measurements from other experiments.

Original languageEnglish (US)
Pages (from-to)1391-1406
Number of pages16
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number3
StatePublished - 1997
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)


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