2004/01/31 by I. V. Anikin, B. Pire, L. Szymanowski +3 · 32 citations
Physics and Astronomy · #Amplitude #Compass #HERA #High-Energy Particle Collisions Research #Large Hadron Collider #Meson #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Photon #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Twist #Virtual particle #hep-ph
paper · pdf · doi:10.1103/physrevd.70.011501
published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 70(1) (American Physical Society) · 4 pages LATEX, added some comments and refs.,version to appear in Phys. Rev. D
arxiv created 2004/05/20 · openalex publication_date 2004/07/19 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We evaluate the leading order amplitude for the deep exclusive electroproduction of an exotic hybrid meson in the Bjorken regime. We show that, contrarily to naive expectation, this amplitude factorizes at the twist 2 level and thus scales like usual meson electroproduction when the virtual photon and the hybrid meson are longitudinally polarized. Exotic hybrid mesons may thus be studied in electroproduction experiments at JLAB, HERA (HERMES) or CERN (Compass).