CAN TETRANEUTRON EXIST FROM THEORETICAL POINT OF VIEW?

被引：0

作者：

Simenog, I. V. ^{[1
,2
]}

Grinyuk, B. E. ^{[1
]}

Bidasyuk, Yu. M. ^{[2
]}

机构：

[1] Natl Acad Sci Ukraine, MM Bogolyubov Inst Theoret Phys, 14b,Metrolohichna Str, UA-03143 Kiev, Ukraine

[2] Taras Shevchenko Kyiv Natl Univ, UA-03127 Kiev, Ukraine

来源：

UKRAINIAN JOURNAL OF PHYSICS | 2006年 / 51卷 / 10期

关键词：

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

To study the problem of the possible existence of a tetraneutron, we show that a system of four Fermi-particles can be bound, whereas two-particle subsystems are unbound in the case where the pairwise interaction potential contains two attractive wells separated by a repulsive barrier. We fit the parameters of the proposed class of potentials by the low-energy neutron-neutron parameters and study the properties of a hypothetical tetraneutron. The anomalous behaviours are revealed for the calculated size, density distribution, and pair correlation functions of the hypothetical "tetraneutron" within the proposed models of interaction.

引用

页码：954 / 960

页数：7

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