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Issue		Eur. Phys. J. C Volume 13, Number 2, March 2000
Page(s)		347 - 355
Published online		17 February 2000

Contents | PDF file (299 KB)

Eur. Phys. J. C 13, 347-355
DOI 10.1007/s100520000309

Large-p_T inclusive $\pi^{0}$ cross sections
and next-to-leading-order QCD predictions

P. Aurenche¹ - M. Fontannaz² - J.-Ph. Guillet¹ - B.A. Kniehl³ - M. Werlen¹

¹ Laboratoire d'Annecy-le-Vieux de Physique Théorique LAPTH, B.P. 110, 74941 Annecy-le-Vieux Cedex, France
² Laboratoire de Physique Théorique, Université de Paris XI, Bâtiment 210, 91405 Orsay Cedex, France
³ II. Institut für Theoretische Physik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany

Received: 7 October 1999 / Published online: 17 February 2000 - © Springer-Verlag 2000

Abstract
We review the phenomenology of $\pi^{0}$ production at large transverse momentum in proton-induced collisions. Uncertainties in the next-to-leading-order predictions of Quantum Chromodynamics are discussed. The comparison with data reveals that the disagreement between theory and experiment lies essentially in an overall normalization factor. The situation for $\pi^{0}$ production is contrasted with that of prompt-photon production in hadronic collisions.

Contents | PDF file (299 KB)

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