Measurement of direct-photon production at the Fermilab Tevatron fixed target energies

L. Apanasevich, J. Bacigalupi, W. Baker, M. Begel, S. Blusk, C. Bromberg, P. Chang, B. Choudhary, W. H. Chung, L. 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, 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, S. M. Tripathi, N. Varelas, D. Weerasundara, J. J. Whitmore, T. Yasuda, C. Yosef, M. Zieliński, V. Zutshi

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Measurements of the production of high transverse momentum direct photons by a [Formula Presented] [Formula Presented] beam and 530 and [Formula Presented] proton beams in interactions with beryllium and hydrogen targets are presented. The data span the kinematic ranges of [Formula Presented] in transverse momentum and 1.5 units in rapidity. The inclusive direct-photon cross sections are compared with next-to-leading-order perturbative QCD calculations and expectations based on a phenomenological parton-[Formula Presented] model.

Original languageEnglish (US)
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume70
Issue number9
DOIs
StatePublished - 2004
Externally publishedYes

ASJC Scopus subject areas

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

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