Nuclear anti-shadowing and the quarkonium nucleon elastic scattering amplitude
Nuclear anti-shadowing and the quarkonium nucleon elastic scattering amplitude
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DOI：
10.1016/0370-2693(94)91411-7
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发表时间：
1994-09
影响因子：
4.4
通讯作者：
J. Deus
中科院分区：
文献类型：
--
作者：
J. Deus
如果光子和轻子夸克偶素（Q Q）v产生中的核子反遮蔽是核物质中与光子耦合的夸克偶素（Q Q）v系统的相干相互作用的结果，那么夸克偶素核子弹性振幅在前向方向上必须具有大的正的真实的过去.这可以通过要求在高能量下横截面成为与束无关的σNN <$σ VN，特别是σ 4 N <$σγN <$σ（tt）N来实现。
If nucleon anti-shadowing in photon and lepton quarkonium (Q Q )v production is the result of the coherent interaction of the quarkonium (Q Q )v systems coupled to the photon in nuclear matter, the quarkonium nucleon elastic amplitude must have a large positive real past in the forward direction. This can be achieved by requiring that at high energy the cross-sections become beam independent, σNN⋍ σVNand, in particular, σ4N⋍ σγN⋍ σ(tt )N.