First Measurement of the EMC effect in B10 and B11

First Measurement of the EMC effect in B10 and B11
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首次测量 B10 和 B11 中的 EMC 效应

DOI:
10.1103/physrevc.108.035201
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发表时间:
2023
期刊:
影响因子:
3.1
通讯作者:
Aljawrneh, B.
Aljawrneh, B.
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Karki, A.;Biswas, D.;Gonzalez, F. A.;Henry, W.;Morean, C.;Nadeeshani, A.;Sun, A.;Abrams, D.;Ahmed, Z.;Aljawrneh, B.

文献摘要

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首次测量了包容性非弹性电子散射截面(EMC 效应)的核依赖性。先前对原子核内 EMC 效应的测量显示出意想不到的核依赖性;并进行测量以更详细地探索该区域的 EMC 效应。给出了 10.6 GeV 入射束能量下的结果。硼同位素中的 EMC 效应被发现与 for 相似,在该范围内的 EMC 效应几乎不存在核依赖性。这代表了支持以下假设的重要新数据:由于这些原子核的簇结构,EMC 效应主要取决于局部核环境。
The nuclear dependence of the inclusive inelastic electron scattering cross section (the EMC effect) has been measured for the first time inand. Previous measurements of the EMC effect innuclei showed an unexpected nuclear dependence;andwere measured to explore the EMC effect in this region in more detail. Results are presented for,,, andat an incident beam energy of 10.6 GeV. The EMC effect in the boron isotopes was found to be similar to that forand, yielding almost no nuclear dependence in the EMC effect in the range. This represents important new data supporting the hypothesis that the EMC effect depends primarily on the local nuclear environment due to the cluster structure of these nuclei.