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Pion structure function F2π in the valon model
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DOI：10.1016/S0370-2693(03)00177-1.png)
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摘要
En 中文
Partonic structure of constituent quark (or valon) in the next-to-leading order is used to calculate pion structure function. This is a further demonstration of the finding that the constituent quark structure is universal, and once it is calculated, the structure of any hadron can be predicted thereafter, using a convolution method, without introducing any new free parameter. The results are compared with the pion structure function from ZEUS Collaboration leading neutron production in e(+) p collisions at HERA. We found good agreement with the experiment. A resolution for the issue of normalization of the experimental data is suggested. In addition, the proportionality of F-2(pi) and F-2(p), which have caused confusion in the normalization of ZEUS data is discussed and resolved. (C) 2003 Published by Elsevier Science B.V.
Keyword:
PARTON DISTRIBUTIONS
COLLISIONS
QUARKS
NUCLEON
QCD
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期刊
IF:
4.5
论文数:
3.2W
被引数:
7.3W
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