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Chinese Physics C> 2002, Vol. 26> Issue(8) : 823-830 

Description of the New Nuclide 259Db and Its α-Decay Chain in Relativistic Mean Field Theory

  •  School of Physics, Peking University, Beijing 100871, China2 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China

  • The new nuclide 259Db and its α decay chain are systematically studied in the framework of the relativistic mean field (RMF) theory with NL3 and TM1 effective interactions. The nuclide 259Db and its α-decay daughter nuclei are calculated in a RMF framework with and without the pairing correlation. With the pairing gaps obtained from the RCHB, the deformed RMF+BCS has been carried out for these nuclei. It has been found that the DRMF+BCS well reproduces the data and implies that the new nuclide 259Db and its α decay daughter nuclei are highly deformed. The α-decay energy Qα for different channel has been given and it seems that the ground state to ground state Qα values from DRMF+BCS reproduce the data well. Furthermore the single particle levels of the α decay chain are studied carefully and the explanation for the stability is also presented.
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    [1] . Tanihata I. Prog. Part. and Nucl. Phys.,1995,35:505 2. Müller A C. Prog. Part. and Nucl. Phys.,2001,46:3593. Hofmann S. Nucl. Phys.,1999,A654:252;Prog. Part. and Nucl. Phys.,2001,46:293 4. MENG J, Takigawa N. Phys. Rev.,2000,C61:064319 5. MENG J. Nucl. Phys.,1998,A635:3 6. MENG J, RING P. Phys. Rev. Lett.,1996,77:3963;1998,80:4607. Smolaúczuk R. Phys. Rev.,1999,C55:2634 8. Bürvenich T. Rutz K. Bender M et al. Eur. Phys. J.,1998,A3:139—147 9. Lalaziss G A, Sharma M M, Ring P et al. Nucl. Phys.,1996,A608:202 10. Adamian G G. Anonenko N N. Scheid W et al. Nucl. Phys.,1998,A633:409 11. REN Z. Toki H. Nucl. Phys.,2001,A689:69112. GAN Z G. QIN Z. FAN H M et al. Eur. Phys. J.,2001,A10:21 13. Brain D Serot, John Dirk Walecka. Adv. Nucl. Phys.,1996,16:1 14. Kucharek H. Ring P. Z. Phys.,1991,A339:2315. Gambhir Y K. Ring P. Thimet A. Ann. Phys.,1990,198:132 16. Lalazissis G A. Knig J, Ring P. Phys. Rev.,1997,C55:540 17. Sugahara Y. Toki H. Nucl. Phys.,1994,A579:557 18. Mller P. Nix J R. Kratz K L. Atom. Data and Nucl. Data Tab.,1997,66(2):131

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LONG Wen-Hui, MENG Jie and ZHOU Shan-Gui. Description of the New Nuclide 259Db and Its α-Decay Chain in Relativistic Mean Field Theory[J]. Chinese Physics C, 2002, 26(8): 823-830.
LONG Wen-Hui, MENG Jie and ZHOU Shan-Gui. Description of the New Nuclide 259Db and Its α-Decay Chain in Relativistic Mean Field Theory[J]. Chinese Physics C, 2002, 26(8): 823-830. shu
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Received: 2001-09-27
Revised: 1900-01-01
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Description of the New Nuclide 259Db and Its α-Decay Chain in Relativistic Mean Field Theory

    Corresponding author: LONG Wen-Hui,
  • School of Physics, Peking University, Beijing 100871, China2 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China
  • Received Date: 2001-09-27
  • Accepted Date: 1900-01-01
  • Available Online: 2002-08-05

Abstract: The new nuclide 259Db and its α decay chain are systematically studied in the framework of the relativistic mean field (RMF) theory with NL3 and TM1 effective interactions. The nuclide 259Db and its α-decay daughter nuclei are calculated in a RMF framework with and without the pairing correlation. With the pairing gaps obtained from the RCHB, the deformed RMF+BCS has been carried out for these nuclei. It has been found that the DRMF+BCS well reproduces the data and implies that the new nuclide 259Db and its α decay daughter nuclei are highly deformed. The α-decay energy Qα for different channel has been given and it seems that the ground state to ground state Qα values from DRMF+BCS reproduce the data well. Furthermore the single particle levels of the α decay chain are studied carefully and the explanation for the stability is also presented.

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