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On the complete next-to-leading order pQCD prediction for the pion form factor


Melić, Blaženka; Nižić, Bene; Passek, Kornelija
On the complete next-to-leading order pQCD prediction for the pion form factor // Fizika B : a journal of experimental and theoretical physics : general physics, nuclear physics, particles and fields, astrophysics, 8 (1999), 1/2; 327-334 (podatak o recenziji nije dostupan, članak, znanstveni)


Naslov
On the complete next-to-leading order pQCD prediction for the pion form factor

Autori
Melić, Blaženka ; Nižić, Bene ; Passek, Kornelija

Izvornik
Fizika B : a journal of experimental and theoretical physics : general physics, nuclear physics, particles and fields, astrophysics (1330-0016) 8 (1999), 1/2; 327-334

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Exclusive processes; perturbative QCD; next-to-leading order; pion form factor; distribution amplitudes; renormalization and factorization scales

Sažetak
We comment on the results of a complete leading-twist next-to-leading order QCD analysis of the spacelike pion electromagnetic form factor at large-momentum transfer $Q$. For the asymptotic distribution amplitude, we have examined the sensitivity of the predictions to the choice of the renormalization scale. The results show that reliable perturbative predictions for the pion electromagnetic form factor can already be made at a momentum transfer $Q$ below $10$ GeV.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

Napomena
[arXiv:hep-ph/9903426] ; u časopisu su objavljeni odabrani radovi prezentirani na skupu International Conference "Nuclear and Particle Physics with CEBAF at JLab", održanom od 03.-10.11.1998.g., Dubrovnik, Hrvatska.



POVEZANOST RADA


Projekt / tema
00980102

Ustanove
Institut "Ruđer Bošković", Zagreb

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