Single Meson Photoproduction via Higher Twist Mechanism and IR Renormalons

Details Single Meson Photoproduction via Higher Twist Mechanism and IR Renormalons Single Meson Photoproduction via Higher Twist Mechanism and IR Renormalons

1998-07-17

arxiv.org/abs/hep-ph/9807404v1

Few Body Syst.Suppl.11:263-266,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 1 figure. Talk given at the ECT*/CEBAF Workshop on N* Physics and non-perturbative QCD, Trento, Italy, 18-29 May 1998

Scientific paper

Single pseudoscalar and vector mesons hard semi-inclusive photoproduction $\gamma h \to MX" via higher twist (HT) mechanism is calculated using the QCD running coupling constant method. The structure of infrared renormalon singularities of the HT subprocess cross section and the Borel sum for it are found. The problem of normalization of HT process cross section in terms of the meson elm form factor is discussed.

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