Hadron Structures and Perturbative QCD
Koike, Yuji
Original · EN
In the first part of this talk, I will summarize recent developments in the study of the chiral-odd spin-dependent parton distributions h₁(x,Q²) and hₗ(x,Q²) of the nucleon, in particular, (i) Next-to- leading order Q² evolution of h₁(x,Q²) and (ii) Leading order Q² evolution of the twist-3 distribution hₗ(x,Q²) and the universal simplification of the Q² evolution of all the twist-3 distributions in the large Nc limit. The second part of this talk will be devoted to a systematic analysis on the light-cone distribution amplitudes of vector mesons (ρ, ω, ϕ, K* etc) relevant for exclusive processes producing these mesons. In particular, twist-3 distribution amplitudes are discussed in detail.
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