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26 papers · 2 filters
Chirally symmetric quark description of low energy π-πscattering
Pedro Bicudo, Stephen Cotanch, Felipe Llanes-Estrada +3
Weinberg's theorem for π-πscattering, including the Adler zero at threshold in the chiral limit, is analytically proved for microscopic quark models that preserve chiral symmetry.…
Orbitally excited D and B mesons in the approach of the QCD string with quarks at the ends
Yu. S. Kalashnikova, A. V. Nefediev
In this letter we discuss the masses and the splittings of 1(2S+1)P_J states in the spectrum of D and B mesons, as they appear in the approach of the QCD string with quarks at the…
From Regge Behavior to DGLAP Evolution
L. Csernai, L. Jenkovszky, K. Kontros +3
We study the interface between Regge behavior and DGLAP evolution in a non-perturbative model for the nucleon structure function based on a multipole pomeron exchange. This model p…
High Energy Tau Neutrinos
Jane H. MacGibbon, Ubi F. Wichoski
The intrinsic tau neutrino flux from cosmological and astrophysical sources has usually been considered negligible in comparison to the electron and muon neutrino fluxes. However,…
Dual Properties of the Structure Functions
L. L. Jenkovszky, V. K. Magas
By using the concept of duality between direct channel resonances and Regge exchanges we relate the small- and large- behavior of the structure functions. We show that even a si…
Colour Reconnection at LEPII
P. Abreu
The preliminary results on the search of colour reconnection effects (CR) from the four experiments at LEP, Aleph, Delphi, L3 and Opal, are reviewed. Extreme models are excluded by…