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Extracting theρmeson wavefunction from HERA data

✍ Scribed by J. R. Forshaw; R. Sandapen


Publisher
Springer-Verlag
Year
2010
Tongue
English
Weight
566 KB
Volume
2010
Category
Article
ISSN
1126-6708

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We fitted the ππ mass distribution in the range 0.5 M ππ 1.1 GeV measured in hard exclusive positron-proton reactions at HERA by the form dictated by QCD at leading-twist level. Extracted parameters are related to valence-quark distribution in the pion, and to the pion and ρ meson distribution ampli