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Skyrme Hartree-Fock模型对中等质量超形变超核的研究(英文)

周先荣 E. Hiyama H. Sagawa

周先荣, E. Hiyama, H. Sagawa. Skyrme Hartree-Fock模型对中等质量超形变超核的研究(英文)[J]. 原子核物理评论, 2017, 34(1): 92-97. doi: 10.11804/NuclPhysRev.34.01.092
引用本文: 周先荣, E. Hiyama, H. Sagawa. Skyrme Hartree-Fock模型对中等质量超形变超核的研究(英文)[J]. 原子核物理评论, 2017, 34(1): 92-97. doi: 10.11804/NuclPhysRev.34.01.092
ZHOU Xianrong, E. Hiyama, H. Sagawa. Medium-heavy Superdeformed Hypernuclei in Skyme Hartree-Fock Model[J]. Nuclear Physics Review, 2017, 34(1): 92-97. doi: 10.11804/NuclPhysRev.34.01.092
Citation: ZHOU Xianrong, E. Hiyama, H. Sagawa. Medium-heavy Superdeformed Hypernuclei in Skyme Hartree-Fock Model[J]. Nuclear Physics Review, 2017, 34(1): 92-97. doi: 10.11804/NuclPhysRev.34.01.092

Skyrme Hartree-Fock模型对中等质量超形变超核的研究(英文)

doi: 10.11804/NuclPhysRev.34.01.092
基金项目: 国家自然科学基金资助项目(11275160)
详细信息
  • 中图分类号: O571.6

Medium-heavy Superdeformed Hypernuclei in Skyme Hartree-Fock Model

Funds: National Natural Science Foundation of China (11275160)
  • 摘要: 采用Skyrme Hartree-Fock 模型和微观的核子-超子相互作用对Ar 同位素和40Ca 及相应超核的超形变态进行了研究,计算结果表明,基态的Λ 超子分离能比激发态的大。这一结果与反对称化分子动力学模型的结果一致,而与相对论平均场的结果相反。这区别主要来源于不同模型中不同的相互作用导致的核心核及相应超核密度分布的不同。


    The superdeformed (SD) states in medium heavy hypernuclei with core nuclei of Ar isotopes and 40Ca are studied in the frame of Skyrme Hartree-Fock (SHF)+ BCS model together with a microscopic ΛN interaction. The calculation indicates that the Λ separation energy SΛ of ground state is larger than that of SD state. The result is consistent with the antisymmetrized molecular dynamics (AMD) calculation, but inconsistent with that of relativistic mean field (RMF). The difference comes from the different interaction and density distribution in the core nuclei and the corresponding hypernuclei.
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    [2] WIN M T, HAGINO K. Phys Rev C, 2008, 78: 054311.
    [3] SCHULZE H J, WIN M T, HAGINO K, et al. Prog Theor Phys, 2010, 123: 569.
    [4] WIN M T, HAGINO K, KOIKE T. Phys Rev C, 2011, 83: 014301.
    [5] LU B N, ZHAO E G, ZHOU S G. Phys Rev C, 2011, 84: 014328.
    [6] ISAKA M, KIMURA M, DOTE A,et al. Phys Rev C, 2011, 83: 044323.
    [7] SVENSSON C E, MACCHIAVELLI A O, JUODAGALVIS A, et al. Phys Rev C, 2001, 63: 061301(R).
    [8] IDEGUCHI E, SARANTITES D G, REVIOL W, et al. Phys Rev Lett, 2001, 87: 222501.
    [9] BISOI A, SARKAR M S, SARKAR S, et al. Phys Rev C, 2013, 88: 034303.
    [10] ISAKA M, FUKUKAWA K, KIMURA M, et al. Phys Rev C, 2014, 89: 024310.
    [11] LU Bingman, HIYAMA E, SAGAWA H, et al. Phys Rev C, 2014, 89: 044307.
    [12] ZHOU X R, HIYAMA E, SAGAWA H. Phys Rev C, 2016, 94: 024331.
    [13] REINHARD P G, FLOCARD H. Nucl Phys A, 1995, 584: 467.
    [14] VAUTHERIN D. Phys Rev C, 1973, 7: 296.
    [15] BENDER M, RUTZ K, REINHARD P G. Phys Rev C, 1999, 60: 034304.
    [16] TAJIMA N, BONCHE P, FLOCARD H, et al. Nucl Phys A, 1993, 551: 434.
    [17] SAGAWA H, SUZUKI T, HAGINO K. Nucl Phys A, 2003, 722: C183; Phys Rev C, 2003, 68, 014317.
    [18] CUGNON J, LEJEUNE A, SCHULZE H J. Phys Rev C, 2000, 62: 064308; VIDAÑA I, POLLS A, RAMOS A, et al. Phys Rev C, 2001, 64: 044301.
    [19] SCHULZE H J, LEJEUNE A, CUGNON J, et al. Phys Lett B, 1995, 355: 21; SCHULZE H J, BALDO M,OMBARDO U L, et al. Phys Rev C, 1998, 57: 704; Phys Rev C, 2000, 61: 055801; SCHULZE H J, POLLS A, RAMOS A, et al. Phys Rev C, 2006, 73: 058801.
    [20] ISAKA M, KIMURA M, HIYAMA E, et al. Prog Theor Exp, 2015, 103: 02.
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出版历程
  • 收稿日期:  2016-09-15
  • 刊出日期:  2017-03-20

Skyrme Hartree-Fock模型对中等质量超形变超核的研究(英文)

doi: 10.11804/NuclPhysRev.34.01.092
    基金项目:  国家自然科学基金资助项目(11275160)
  • 中图分类号: O571.6

摘要: 采用Skyrme Hartree-Fock 模型和微观的核子-超子相互作用对Ar 同位素和40Ca 及相应超核的超形变态进行了研究,计算结果表明,基态的Λ 超子分离能比激发态的大。这一结果与反对称化分子动力学模型的结果一致,而与相对论平均场的结果相反。这区别主要来源于不同模型中不同的相互作用导致的核心核及相应超核密度分布的不同。


The superdeformed (SD) states in medium heavy hypernuclei with core nuclei of Ar isotopes and 40Ca are studied in the frame of Skyrme Hartree-Fock (SHF)+ BCS model together with a microscopic ΛN interaction. The calculation indicates that the Λ separation energy SΛ of ground state is larger than that of SD state. The result is consistent with the antisymmetrized molecular dynamics (AMD) calculation, but inconsistent with that of relativistic mean field (RMF). The difference comes from the different interaction and density distribution in the core nuclei and the corresponding hypernuclei.

English Abstract

周先荣, E. Hiyama, H. Sagawa. Skyrme Hartree-Fock模型对中等质量超形变超核的研究(英文)[J]. 原子核物理评论, 2017, 34(1): 92-97. doi: 10.11804/NuclPhysRev.34.01.092
引用本文: 周先荣, E. Hiyama, H. Sagawa. Skyrme Hartree-Fock模型对中等质量超形变超核的研究(英文)[J]. 原子核物理评论, 2017, 34(1): 92-97. doi: 10.11804/NuclPhysRev.34.01.092
ZHOU Xianrong, E. Hiyama, H. Sagawa. Medium-heavy Superdeformed Hypernuclei in Skyme Hartree-Fock Model[J]. Nuclear Physics Review, 2017, 34(1): 92-97. doi: 10.11804/NuclPhysRev.34.01.092
Citation: ZHOU Xianrong, E. Hiyama, H. Sagawa. Medium-heavy Superdeformed Hypernuclei in Skyme Hartree-Fock Model[J]. Nuclear Physics Review, 2017, 34(1): 92-97. doi: 10.11804/NuclPhysRev.34.01.092
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