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1、 第3期 盧冀林,等:雙 超核的相對論平均場研究 35 有效相互作用,在比較大的質(zhì)量范圍內(nèi)系統(tǒng)、自洽地計算了雙 超核的各種性質(zhì)在計算時,分別 選用了兩套參數(shù)組 NL3 和 NLSH,計算結(jié)果與已有實驗結(jié)果符合較好在考察超核的中心極化效應(yīng) 時, 我們比較了一組超核計算結(jié)果, 發(fā)現(xiàn)重排能的影響不能忽略 加入超子后, 原子核的各種性質(zhì)發(fā) 生了不同程度的變化隨著實驗的不斷進展,理論模型將受到檢驗并將得到進一步的發(fā)展和應(yīng)用 參考文獻 1Serot B D, Walecka J D. Advances in Nuclear PhysicsM. New York: Plenum Press, 1986. 2

2、Ring P. Relativistic mean eld theory in nit nucleiJ. Progress in Particle and Nuclear Physics, 1996, 37: 193263. 3Gal A. Strangeness nuclear physicsJ. Nuclear Physics A, 2000, 670: 229240. 4Shen H, Yang F, Toki H. Double-Lambda hypernuclei in the relativistic mean-eld theoryJ. Progress of Theoretica

3、l Physics, 2006, 115: 325337. 5Chrien R E. Studies of hypernuclei by associated productionJ. Nuclear Physics A, 1988, 478: 705712. 6Pile P H. Study of hypernuclei by associated productionJ. Physical Review Letters, 1991, 66: 25852588. 7Hasegawa T. Spectroscopic study of (Lambda B-10, C-12, Si-28, Y-

4、89, La-139 and Pb-208 by the (Pi+ , k+ reactionJ. Physical Review C, 1996, 53: 12101220. 8Franklin G B. Double Lambda hypernucleiJ. Nuclear Physics A, 1995, 585: 83c90c. 9Gambhir Y K, Ring P, Thimet A. Relativistic mean eld theory for nucleiJ. Annals of Physics, 1990, 198: 132179. 10Hirata D, Sumiyo

5、shi K, Carlson B V, et al. Triaxial deformation of unstable nuclei in the relativistic mean eld theoryJ. Nuclear Physics A, 1996, 609: 131146. 11Horowitz C J, Serot B D. Selfconsistent Hartree Description of Finite Nuclei in a Relativistic Quantum Field TheoryJ. Nuclear Physics A, 1981, 368: 503528.

6、 12Meng J. Relativistic continuum Hartree-Bogoliubov theory with both zero range and nite range Gogny force and their applicationJ. Nuclear Physics A, 1998, 135: 342. 13Lalazissis G A, Konig J, Ring P. New parametrization for the Lagaran-gian density of relativistic mean eld theoryJ. Physical Review

7、 C, 1997, 55: 540543. 14Zimanyi J, Moszkowski S A. Nuclear Equation of state with derivative scalar couplingJ. Physical Review C, 1990, 42: 14161421. 15Ma Z Y, Speth J, Krewald S. Hypernuclei with meson-exchange hyperon-nucleon interactionJ. Nuclear Physics A, 1996, 608: 305315. 16Jennings B K. The

8、Dirac equation and Lambda nucleus systematicsJ. Physics Letters B, 1990, 246: 325328. 17Motoba T, Bando H, Ikeda K. Light P Shell Lambda Hypernuclei by the Microscopic Three Cluster ModleJ. Progress of Theoretical Physics, 1983, 70: 189221. Double- Hypernuclei in the Relativistic Mean-eld Theory LU

9、Ji-lin, QI Shou-tao (College of Applied Sciences, Beijing University of Technology, Beijing 100022, China Abstract: We study the properties of double-hypernuclei in the relativistic mean-eld theory, which has been successfully used for the description of stable and unstable nuclei. With the meson-hy

10、peron couplings determined by the experimental binding energies of single- hypernuclei, we present a self-consistent calculation of double- hypernuclei in the relativistic mean-eld theory, and discuss the inuence of hyperons on the nuclear core. We also give several gures of charge density and proton density between hypernuclei and their normal nuc

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