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
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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.
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页码：954 / 960
页数：7
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