FIZIKA B 13 (2004)  2, 513-522

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HARD EXCLUSIVE REACTIONS AND THE TWO-GLUON COMPONENTS OF h AND MESONS

KORNELIJA PASSEK-KUMERIČKI

Theoretical Physics Division, Ruđer Bošković Institute, P.O. Box 180, HR-10002 Zagreb, Croatia
E-mail address: passek@thphys.irb.hr

Received 20 October 2003;    Accepted 26 April 2004
Online 22 November 2004

The formalism for treating the leading-twist contributions of the two-gluon Fock components occurring in hard exclusive processes that involve h and mesons is reviewed. The calculation of the h, -photon transition form factor in next-to-leading order in as as well as the analysis of the g* g* vertex and the electro- and photoproduction of h, mesons are presented. Applications of this formalism to other relevant quantities such as glueballs are also discussed.

PACS numbers: 12.38.Bx, 14.40.Aq
UDC 539.12

Keywords: exclusive processes, perturbative QCD, two-gluon Fock components, h-h˘ mixing, glueballs

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