منابع مشابه
Photoproduction of Hybrid Mesons
In this contribution I discuss prospects for photoproducing hybrid mesons at CEBAF, based on recent model results and experimental indications of possible hybrids. One excellent opportunity appears to be a search for I = 1, J = 2 “bo2” hybrids in (a2π) o through diffractive photoproduction. Other notable possibilities accessible through π or π exchange photoproduction are I = 1 1 “π 1 ” in f1π ...
متن کاملThe photoproduction of vector mesons
At high energy, the photoproduction or electroproduction of Vector Mesons allow to prepare a beam of quark-antiquark pairs of a given flavor. At high momentum transfer, the study of the scattering of these pairs on a nucleon opens up an original window on the quark-gluon structure of hadronic matter, which may eventually shed light on its gluonic content, on correlations between quarks and on t...
متن کاملVEX: Photoproduction of Excited Vector Mesons
Elastic photoproduction should be ideal for studying the excitations (V ) of the vector mesons. Although there is general agreement about the existence of the corresponding excited isovector-vector mesons (ρ(1450) and ρ(1700)), the excited isoscalar-vector mesons (ω(1420) and ω(1650)) and the excited isoscalar-vector with hidden strangeness (φ(1680)), measurements of the masses, widths and deca...
متن کاملPhotoproduction of η-mesons from light nuclei
In a series of experiments coherent and quasifree η-photoproduction from light nuclei (He, He, H) was investigated with the TAPS-detector at the Mainz MAMI-accelerator. The experiments were motivated by two different subjects: the determination of the isospin structure of the electromagnetic excitation of the S11(1535) resonance and the study of the η-nucleon and η-nucleus interaction at small ...
متن کاملDiffractive Photoproduction of Heavy Vector Mesons
Diffractive vector meson production is described on the one hand within the phenomenological framework based on Regge theory, and on the other hand by perturbative QCD calculations. Light vector mesons in the photoproduction regime (where no hard scale is present) agree well with non-perturbative Regge based descriptions. Perturbative effects are measured in the presence of a hard scale for lig...
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ژورنال
عنوان ژورنال: EPJ Web of Conferences
سال: 2017
ISSN: 2100-014X
DOI: 10.1051/epjconf/201713403001