Perturbative QCD versus pion exchange and hadronic FSI effects in the γγ→π+π− reaction

作者: A. Szczurek , J. Speth

DOI: 10.1016/J.NUCLPHYSA.2003.08.018

关键词:

摘要: Abstract The interplay of pQCD, pion exchange and FSI effects is studied for the γγ→π+π− reaction in region 2 GeV

参考文章(30)
D. V. Shirkov, I. L. Solovtsov, Analytic Model for the QCD Running Coupling with Universalα¯s(0)Value Physical Review Letters. ,vol. 79, pp. 1209- 1212 ,(1997) , 10.1103/PHYSREVLETT.79.1209
I.F. Ginzburg, S.L. Panfil, V.G. Serbo, Semihard γγ → V1V2, γγ → V + X processes (V = ϱ0,ω,ϕ,γ). Nuclear Physics B. ,vol. 284, pp. 685- 705 ,(1987) , 10.1016/0550-3213(87)90057-5
I. V. Musatov, A. V. Radyushkin, Transverse momentum and Sudakov effects in exclusive QCD processes: Gamma* gamma pi0 form-factor Physical Review D. ,vol. 56, pp. 2713- 2735 ,(1997) , 10.1103/PHYSREVD.56.2713
D. Sohler, J. Cederkäll, Z. Dombrádi, J. Persson, B. Cederwall, A. Johnson, L.-O. Norlin, M. Weiszflog, A. Atac, J. Blomquist, R.A. Bark, A. Kerek, W. Klamra, J. Kownacki, M. Lipoglavšek, S. Mitarai, J. Nyberg, H.A. Roth, G. Sletten, Spectroscopy of neutron deficient Te-108 European Physical Journal A. ,vol. 3, pp. 209- 211 ,(1997) , 10.1007/S100500050169
M. Diehl, P. Kroll, C. Vogt, The handbag contribution to γγ→ππ and KK Physics Letters B. ,vol. 532, pp. 99- 110 ,(2002) , 10.1016/S0370-2693(02)01489-2
G. Alexander, A. Levy, U. Maor, t -channel factorization description of γγ→ V 1 V 2 European Physical Journal C. ,vol. 30, pp. 65- 68 ,(1986) , 10.1007/BF01560678
Stanley J. Brodsky, G. Peter Lepage, Large-angle two-photon exclusive channels in quantum chromodynamics Physical Review D. ,vol. 24, pp. 1808- 1817 ,(1981) , 10.1103/PHYSREVD.24.1808
P. Grassberger, R. Kögerler, Sum rules for elastic γγ scattering and meson decays in two photons Nuclear Physics B. ,vol. 106, pp. 451- 460 ,(1976) , 10.1016/0550-3213(76)90389-8
G. Peter Lepage, Stanley J. Brodsky, Exclusive Processes in Quantum Chromodynamics: The Form-Factors of Baryons at Large Momentum Transfer Physical Review Letters. ,vol. 43, pp. 545- 549 ,(1979) , 10.1103/PHYSREVLETT.43.545