A PROBABLE EXPLANATION OF THE <SUP>5</SUP>He OVERBINDING PROBLEM

LIU Ji-Feng; SHEN Jian-Ping; LI Guang-Lie

Chinese Physics C> 1989, Vol. 13> Issue(9) : 814-821

A PROBABLE EXPLANATION OF THE ⁵He OVERBINDING PROBLEM

Guangxi Normal University,GuilinInstitute of High Energy Physics,Academia Sinica,Beijing

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Abstract：
In this paper,based upon analysing the various factors which might cause the overbinding of ⁵He,we make a proper adjustment for the wave function of the core nucleus ⁴He.With the adjusted core wave function and various Λ-N interactions,we calculate the Λ-hyperon binding energy B_Λ(⁵He) of the ⁵He ground state and obtain a reasonable agreement between the theoretical and experimental values of B_Λ(⁵He).Thus, the ⁵He overbinding problem could be explained.

References

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LIU Ji-Feng, SHEN Jian-Ping and LI Guang-Lie. A PROBABLE EXPLANATION OF THE ⁵He OVERBINDING PROBLEM[J]. Chinese Physics C, 1989, 13(9): 814-821.

LIU Ji-Feng, SHEN Jian-Ping and LI Guang-Lie. A PROBABLE EXPLANATION OF THE ⁵He OVERBINDING PROBLEM[J]. Chinese Physics C, 1989, 13(9): 814-821. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

A PROBABLE EXPLANATION OF THE ⁵He OVERBINDING PROBLEM

Corresponding author: LIU Ji-Feng,

Guangxi Normal University,GuilinInstitute of High Energy Physics,Academia Sinica,Beijing

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-09-05

Abstract: In this paper,based upon analysing the various factors which might cause the overbinding of ⁵He,we make a proper adjustment for the wave function of the core nucleus ⁴He.With the adjusted core wave function and various Λ-N interactions,we calculate the Λ-hyperon binding energy B_Λ(⁵He) of the ⁵He ground state and obtain a reasonable agreement between the theoretical and experimental values of B_Λ(⁵He).Thus, the ⁵He overbinding problem could be explained.