Even Dy Isotopes in Relativistic Continuum Hartree-Bogoliubov Theory

  • We study the ground state properties of even Dy isotopes, from the proton drip line to the neutron drip line, in the Relativistic Continuum Hartree-Bogoliubov theory with the NL-SH parameters. Firstly, our results show that theoretical binding energies and nuclear root mean square radii are in good agreement with the available experimental data. Secondly, we draw the following conclusions by investigating the calculated results: 1. within the neutron shell on N=82—126, there is an obvious sub-shell between the ranges of N=84—92 and N=94—126; 2. the predicted neutron drip line nucleus is $^{250}_{66}\rm Dy_{184}$; 3. characteristics of halos and giant halos appears in $_{\hspace{5.8ex}66}^{\text{240—250}}\rm Dy_{\text{174—184}}$ nuclei, among which there my be the giant halos.
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  • [1] . 丁大钊, 陈永寿, 张焕乔. 原子核物理进展. 上海科学出版社,1997, 473-5132.MENG J et al. Prog. Part. Nucl. Phys., 将发表; 孟杰. 原子核理论讲义, 未发表3.Walecka J D. Ann. Phys., 1974, 83: 491-5294.Serot B D, Walecka J D. Adv. Nucl. Phys., 1986, 16:1-3275.Ping P. Prog. Part. Nucl. Phys., 1996, 37: 193-2636.Kucharek H, Ring P. Z. Phys., 1991, A339: 23-357.MENG J, Ring P. Phys. Rev. Lett., 1996, 77: 3963-39668.MENG J. Nucl. Phys., 1998, A635: 3-429.MENG J, Ring P. Phys. Rev. Lett., 1998, 80: 460-46310.MENG J, Tanihata I, Yamaji S. Phys. Lett., 1998, B419:1-611.MENG J, Tanihata I. Nucl. Phys., 1999, A650: 17612.MENG J. Phys. Rev., 1999, C57: 1229-123213.MENG J, Toki H, ZENG J Y et al. Phys. Rev., 2002,C65: 041302R14.MENG J, Sugawara-Tanabe K S, Yamaji S et al. Phys. Rev., 1998, C58: R628|R63115.MENG J, Sugawara-Tanabe K S, Yamaji S et al. Phys. Rev., 1999, C59: 154-16316.ZHANG S Q, MENG J, ZHOU S G. Science in China, 2003, G46: 632-65817.ZHANG S Q, MENG J, ZHOU S G et al. HEP NP,2003, 26(1): 252-258(in Chinese)(张双全, 孟杰, 周善贵等. 高能物理与核物理, 2003, 26:252-258)18.MENG J et al. Acta Scientiarum Naturalium U. P. 2003,39.: s.s 38-43(in Chinese)(孟杰等. 北京大学学报(自然科学版), 39: s.s 38-43)19.Lalazissis G A, K.onig J, Ring P. Phys. Rev., 1997, C55:540-54320.Bender M et al. Phys. Rev., 1999, C60: 03430421.Audi G, Wapstra A H, Thibault C. Nucl. Phys., 2003,A729: 337-67622.Angeli I. Atomic Data and Nuclear Data Tables, 2004,87(2): 185-305
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NI Shao-Yong, SHI Zhu-Yi, ZHAO Xing-Zhi and TONG Hong. Even Dy Isotopes in Relativistic Continuum Hartree-Bogoliubov Theory[J]. Chinese Physics C, 2004, 28(S1): 108-112.
NI Shao-Yong, SHI Zhu-Yi, ZHAO Xing-Zhi and TONG Hong. Even Dy Isotopes in Relativistic Continuum Hartree-Bogoliubov Theory[J]. Chinese Physics C, 2004, 28(S1): 108-112. shu
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Received: 2004-12-30
Revised: 1900-01-01
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Even Dy Isotopes in Relativistic Continuum Hartree-Bogoliubov Theory

    Corresponding author: NI Shao-Yong,
  • Department of Physics, Guizhou Institute for Nationalities, Guiyang 550025, China

Abstract: We study the ground state properties of even Dy isotopes, from the proton drip line to the neutron drip line, in the Relativistic Continuum Hartree-Bogoliubov theory with the NL-SH parameters. Firstly, our results show that theoretical binding energies and nuclear root mean square radii are in good agreement with the available experimental data. Secondly, we draw the following conclusions by investigating the calculated results: 1. within the neutron shell on N=82—126, there is an obvious sub-shell between the ranges of N=84—92 and N=94—126; 2. the predicted neutron drip line nucleus is $^{250}_{66}\rm Dy_{184}$; 3. characteristics of halos and giant halos appears in $_{\hspace{5.8ex}66}^{\text{240—250}}\rm Dy_{\text{174—184}}$ nuclei, among which there my be the giant halos.

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