THE ΛN INTERACTION AND THE HYPERNUCLEUS <SUP>40<SUB>Λ</SUB></SUP>Ca

NING Ping-Zhi

Chinese Physics C> 1987, Vol. 11> Issue(5) : 708-712

THE ΛN INTERACTION AND THE HYPERNUCLEUS ^40_ΛCa

NING Ping-Zhi ^,

Nankai University, Tianjin

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Abstract：
Calculations have been performed for the energy separation of the two major substitutional states of the hypernucleus ^40_ΛCa. The (K^－,π^－) cross sections are calculated in the framework of the distorted-wave impulse approximation. Information about the ΛN interaction is then extracted, particularly, on the effects of the strength parameters on cross sections. The result shows that the ΛN interaction adopted previously for the 1p shell hypernuclei might be suitable to use for the (K^－,π^－) reaction in which medium heavy hypernucleus ^40_ΛCa are produced, but the value for the strength parameter of the central potential has to be changed from 0.99 to 0.78.

References

[1]

C. B. Dover and G. E. Walker, Phys. Rep., 89(1982), 101.[2] E. H. Auerbach et al, Ann. Phys. (N. Y.), 148(1983), 381.[3] D. 3. Millener et d., Phys. Rev, C31(1985). 449.[4] D. Halderson and P. Ning (宁平治), Nucl. Phys., A450(1986), 319c.[5] R. A. Eisenstein and G. A. Miller, Phys, Comp. Phys. Comm., 8(1974), 130.[6] D. Halderson, Phys. Rev., C30(1984), 941.

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NING Ping-Zhi. THE ΛN INTERACTION AND THE HYPERNUCLEUS ^40_ΛCa[J]. Chinese Physics C, 1987, 11(5): 708-712.

NING Ping-Zhi. THE ΛN INTERACTION AND THE HYPERNUCLEUS ^40_ΛCa[J]. Chinese Physics C, 1987, 11(5): 708-712. 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

THE ΛN INTERACTION AND THE HYPERNUCLEUS ^40_ΛCa

NING Ping-Zhi ^,

Corresponding author: NING Ping-Zhi,

Nankai University, Tianjin

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1987-10-05

Abstract: Calculations have been performed for the energy separation of the two major substitutional states of the hypernucleus ^40_ΛCa. The (K^－,π^－) cross sections are calculated in the framework of the distorted-wave impulse approximation. Information about the ΛN interaction is then extracted, particularly, on the effects of the strength parameters on cross sections. The result shows that the ΛN interaction adopted previously for the 1p shell hypernuclei might be suitable to use for the (K^－,π^－) reaction in which medium heavy hypernucleus ^40_ΛCa are produced, but the value for the strength parameter of the central potential has to be changed from 0.99 to 0.78.