Studies on the HF States and the Negative Parity Bands of Even Even Ge and Se Nuclei

XU Yan-Bing; LIAO Ji-Zhi

Chinese Physics C> 2002, Vol. 26> Issue(6) : 613-619

Studies on the HF States and the Negative Parity Bands of Even Even Ge and Se Nuclei

XU Yan-Bing ^, ,
LIAO Ji-Zhi

Department of Physics, Sichuan University, Chengdu 610064, China

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Abstract：
Using modified surface delta interaction and enlarging the fp configuration space to include the 1g_9/2 states with the positive parity, the deformed Hartree Fock calculations for the six nuclei: ⁶⁴Ge,⁶⁶Ge,⁶⁸Ge,⁷⁰Se,⁷²Se and ⁷⁴Se are performed. The ground state and some particle-hole excited configurations are obtained. The approximate angular momentum projected Hartree Fock (PDHF) method is applied to nuclei ⁶⁴Ge and ⁷⁴Se. Both of their positive and negative parity bands are obtained. The calculated energy spectra are consistent with experimental spectra well.

References

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. LIAO J Z. Nucl. phys.,1985,7:338—343;1987,9:220—229(in Chinese)(廖继志.原子核物理,1985,7:338—343;1987,9:220—229) 2. LIAO J Z. High Energ. Phys. and Nucl. Phys.,1987,11:682—688;1989,13:837—841(in Chinese)(廖继志.高能物理与核物理,1987,11:682—688;1989,13:837—841) 3. ZHENG R R, LIAO J Z. The Self-consistent Field Method of Nucleus Symmetry Chengdu:Sichuan University Press,1993,51—93(in Chinese)(郑仁蓉,廖继志.核对称性的自洽场方法,成都:四川大学出版社,1993,51—93)4. LIAO J Z. High Energ. Phys. and Nucl. Phys.,1989,13(4):357—361(in Chinese)(廖继志.高能物理与核物理,1989,13(4):357—361)5. MANG H J, Samadi B, RING P Z. Physik, 1976,A279:325—3316. Rath A K. Praharaj C R, Khadkikar S D. Phys. Rev.,1993,C47:1990—2000 7. Tripathi P N, Sharma S K. Phys. Rev.,1986,C34:1081—1093 8. Aage Behr, Ben R Mottelson. Nuclear Structure, 1969,V(I):145—1479. Audi G, Wapstra A H. Nucl. Phys.,1993,A565(1):21—22 10. Ennis P J, Lister C J. Nucl. Phys.,1991,A535(1):392—424 11. Buccino S G, Durham F E. Phys. Rev.,1990,C42:1254—1263

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XU Yan-Bing and LIAO Ji-Zhi. Studies on the HF States and the Negative Parity Bands of Even Even Ge and Se Nuclei[J]. Chinese Physics C, 2002, 26(6): 613-619.

XU Yan-Bing and LIAO Ji-Zhi. Studies on the HF States and the Negative Parity Bands of Even Even Ge and Se Nuclei[J]. Chinese Physics C, 2002, 26(6): 613-619. shu

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Received: 2001-07-05
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

Studies on the HF States and the Negative Parity Bands of Even Even Ge and Se Nuclei

XU Yan-Bing ^,
LIAO Ji-Zhi

Corresponding author: XU Yan-Bing,

Department of Physics, Sichuan University, Chengdu 610064, China

Received Date: 2001-07-05
Accepted Date: 1900-01-01
Available Online: 2002-06-05

Abstract: Using modified surface delta interaction and enlarging the fp configuration space to include the 1g_9/2 states with the positive parity, the deformed Hartree Fock calculations for the six nuclei: ⁶⁴Ge,⁶⁶Ge,⁶⁸Ge,⁷⁰Se,⁷²Se and ⁷⁴Se are performed. The ground state and some particle-hole excited configurations are obtained. The approximate angular momentum projected Hartree Fock (PDHF) method is applied to nuclei ⁶⁴Ge and ⁷⁴Se. Both of their positive and negative parity bands are obtained. The calculated energy spectra are consistent with experimental spectra well.