Regularities of vector-meson electroproduction: transitory effects or early asymptotics?

Regularities of vector-meson electroproduction: transitory effects or early asymptotics?
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矢量介子电产生的规律:短暂效应还是早期渐近?

DOI:
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发表时间:
2003
期刊:
影响因子:
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通讯作者:
N. Tyurin
N. Tyurin
中科院分区:
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文献类型:
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作者:
S. Troshin;N. Tyurin

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我们讨论了最近HERA结果矢量介子电生产γ *p -> Vp和证明的普遍性的初始和最终状态之间的相互作用负责的质量壳态和质量壳态之间的过渡,可以解释能量独立的比例的排他性ρ电生产截面的总截面。我们还预测了其他矢量介子的这个比例的显式质量依赖。
We discuss recent HERA results on vector--meson electroproduction gamma*p -> Vp and demonstrate that universality of the initial and final state interactions responsible for the transition between the on- and off-mass shell states allows to explain energy independence of the ratio of exclusive rho electroproduction cross section to the total cross section. We also predict explicit mass dependence of this ratio for other vector mesons.