A <EM>Λ</EM>-N S WAVE SEPARATION POTENTIAL AND ITS <EM>Λ</EM> WELL DEPTH IN NUCLEAR MATTER

LI Guang-Lie; SHEN Jian-Ping

Chinese Physics C> 1985, Vol. 9> Issue(4) : 442-446

A Λ-N S WAVE SEPARATION POTENTIAL AND ITS Λ WELL DEPTH IN NUCLEAR MATTER

LI Guang-Lie ^, ,
SHEN Jian-Ping

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Abstract：
In this paper, we derive the Λ-N S wave separation potential from the scattering lengths and effective ranges obtained from the Λ-N single K, η, ω and 2π, πρ meson exchange potential. Based on calculating the S wave phase shift of Λ-p elastic scattering and the Λ well depth in nuclear matter, the features of the Λ-N S wave separation potential are discussed.

References

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Wu Hui-fang et al., Commun. in Theor. Phys., 1(1982), 449;Shen Jian-ping et al., Commun. in Theor. Phys., 2(1983), 1313.[2] 沈津平、厉光烈, 高能物理与核吻理3(1985), 307.[3] Y. Yamamchi, Phys. Rev., 93(1951), 1628[4] M. M. Nagels et al., Ann. Phys. (N. Y.), 79(1973), 338; in "Few Particle Problems in the Nuclear Interaction", edited by I. Slans et al., (North Holland, Amsterdam, 1972), pp. 41-45 ;Phys. Rev., Dl5 (1977), 2547; D20(1979), 1633.[5] R. C. Herndon and Y. C. Tang, Phys. Rev., 153 (1967), 1091; 159 (1967), 853; Y. C. Tang,Phenomenological Study of the S shcll Hypernuclei, Proc. Int. Conf. on Hypernudear Physics,Argonne National Laboratory, May 1969, eds. A. R. Bodmer and L. G. Hyman, (Argonne N,.tionaI Laboratory, Argonne, III, 1969), p. 276.[6] H. Bando and S. Nagata, Prog. Theoro Phys, 67(1982), 522.[7] D. M. Rote and A. R. Bodmer, Nucl. Phys., A148:1970), 97[8] B. F. Gibson and O. R. Lehman, Phys. Rev, C23 (1981), 404.

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LI Guang-Lie and SHEN Jian-Ping. A Λ-N S WAVE SEPARATION POTENTIAL AND ITS Λ WELL DEPTH IN NUCLEAR MATTER[J]. Chinese Physics C, 1985, 9(4): 442-446.

LI Guang-Lie and SHEN Jian-Ping. A Λ-N S WAVE SEPARATION POTENTIAL AND ITS Λ WELL DEPTH IN NUCLEAR MATTER[J]. Chinese Physics C, 1985, 9(4): 442-446. 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 Λ-N S WAVE SEPARATION POTENTIAL AND ITS Λ WELL DEPTH IN NUCLEAR MATTER

LI Guang-Lie ^,
SHEN Jian-Ping

Corresponding author: LI Guang-Lie,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1985-08-05

Abstract: In this paper, we derive the Λ-N S wave separation potential from the scattering lengths and effective ranges obtained from the Λ-N single K, η, ω and 2π, πρ meson exchange potential. Based on calculating the S wave phase shift of Λ-p elastic scattering and the Λ well depth in nuclear matter, the features of the Λ-N S wave separation potential are discussed.