1999/08/24 by N. N. Nikolaev, Nikolaev, N. N.
Materials Science · Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Liquid Crystal Research Advancements #Magnetic properties of thin films #hep-ph
paper · pdf · doi:10.48550/arxiv.hep-ph/9908453
8 pages, 3 figures. Joint INT / Jefferson Lab Workshop on `Exclusive And Semiexclusive Processes At High Momentum Transfer', JLab, 20-22 May 1999. Several typos corrected, one reference added
openalex publication_date 1999/08/24 · arxiv created 1999/08/26 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
I review the recent progress in the theory of s-channel helicity nonconservation (SCHNC) effects in diffractive DIS. SCHNC in diffractive vector meson production is an unique probe of the spin-orbit coupling and Fermi motion of quarks in vector mesons. Photo- and electroproduction of the ϕ and its radial and angular excitations at Jlab is perfectly posed to probe SCHNC in QCD pomeron exchange. I also discuss the unitarity driven demise of the Burkhardt-Cottingham sum rule and large & scaling departure from the Wandzura-Wilczek relation.