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NLO perturbative QCD predictions for gamma gamma -> M+ M- (M=pi, K)


Duplančić, Goran; Nižić, Bene
NLO perturbative QCD predictions for gamma gamma -> M+ M- (M=pi, K) // Physical Review Letters, 97 (2006) (međunarodna recenzija, članak, znanstveni)


Naslov
NLO perturbative QCD predictions for gamma gamma -> M+ M- (M=pi, K)

Autori
Duplančić, Goran ; Nižić, Bene

Izvornik
Physical Review Letters (0031-9007) 97 (2006);

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

Ključne riječi
Perturbative QCD; exclusive channel

Sažetak
We report the first complete leading-twist next-to-leading-order perturbative QCD predictions for the two-photon exclusive channels gamma gamma -> M+ M- (M=pi, K) at large momentum transfer. The asymptotic distribution amplitude is utilized as a candidate form for the nonperturbative dynamical input. Comparison of the obtained results with the existing experimental data does not provide sufficiently clear evidence to support the applicability of the hard-scattering approach at currently accessible energies.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
0098002

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE