A-dependence of the γ- and p-induced production of the Λ(1520) from nuclei

被引：13

作者：

Kaskulov, M.

Roca, L.

Oset, E.

机构：

[1] Inst Invest Paterna, Ctr Mixto Univ Valencia CSIC, Dept Fis Teor, Valencia 46071, Spain

[2] Inst Invest Paterna, Ctr Mixto Univ Valencia CSIC, IFIC, Valencia 46071, Spain

[3] Univ Murcia, Dept Fis, E-30100 Murcia, Spain

来源：

EUROPEAN PHYSICAL JOURNAL A | 2006年 / 28卷 / 02期

关键词：

D O I：

10.1140/epja/i2006-10052-6

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Using results of a recent calculation of the A(1520) in the nuclear medium, which show that the medium width is about five times the free width, we study the A-dependence of the A(1520) production cross-section in the reactions gamma A --> K(+) Lambda(1520)A' and p A --> p K(+) Lambda(1520)A'. We find a sizable A-dependence in the ratio of the nuclear cross-sections for heavy nuclei with respect to a light one due to the large value of the A(1520) width in the medium, showing that devoted experiments, easily within reach in present facilities, can provide good information on that magnitude by measuring the cross-sections studied here.

引用

页码：139 / 145

页数：7

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