期刊
EUROPEAN PHYSICAL JOURNAL A
卷 19, 期 -, 页码 47-53出版社
SPRINGER
DOI: 10.1140/epjad/s2004-03-008-x
关键词
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This paper presents the reactions which can be performed at COMPASS to study the Generalized Parton Distributions (GPDs). The high energy muon beam at CERN allows to measure Hard Exclusive Meson Production or Deeply Virtual Compton Scattering (DVCS) in the Bjorken regime in a large range of Q(2) and x(Bj) (1.5 less than or equal to Q(2)less than or equal to 7.5 GeV (2) and 0.03 less than or equal to x(Bj)less than or equal to 0.25). Exploratory measurements dedicated to rho(0) or pi(0) production can be investigated with the present setup. DVCS measurement require an upgrade of the COMPASS setup.
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