Coulomb Displacement Energies and Shell Closure

ZHU Jian-Yu; XU Fu-Rong

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2006, Vol. 30> Issue(S2) : 84-86

Coulomb Displacement Energies and Shell Closure

ZHU Jian-Yu ,
XU Fu-Rong ^,

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

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Abstract：
The mass differences of mirror nuclei have been calculated using the Skyrme-Hartree-Fock model. The deviation of these masses differences from the corresponding experimental results is a longstanding problem and has been studied intensively. In this paper we studied this anomaly systematically. The calculations show that significant changes in the evolution pattern occur around the magic numbers. After the Skyrme force parameters are adjusted to reflect this shell effect, we found that this anomaly is significantly reduced. This shows that the anomaly is dependent on shell closure.

References

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. Lenzi S M, Marginean N et al. Phys. Rev. Lett., 2001, 87:1225012. Ekman J, Andreoiu C et al. Phys. Rev., 2004, C70: 0573053. Tonev D, Petkov P et al. Phys. Rev., 2002, C65: 0343144. Andersson L L, Johansson E K et al. Phys. Rev., 2005,C71: 0113035. Ekman J, Rudolph D et al. Phys. Rev. Lett., 2004, 92:1325026. Auerbach E H, Kahana S, and Weneser J. Phys. Rev. Lett.,1969, 23: 12537. Nolen J A, Schiffer J P. Ann. Rev. Nucl. Sci., 1969, 19: 4718. Vautherin D, Brink D M. Phys. Rev., 1972, C5: 6269. Audia G, Wapstrab A H, Thibaulta C. Nucl. Phys., 2003,A729: 33710. Brown B A, Richter W A, Lindsay R. Phys. Lett., 2000,B483: 4911. Chabanat E, Bonche P et al. Nucl. Phys., 1997, A627: 71012. Ormand W E. Phys. Rev., 1997, C55: 55

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ZHU Jian-Yu and XU Fu-Rong. Coulomb Displacement Energies and Shell Closure[J]. Chinese Physics C, 2006, 30(S2): 84-86.

ZHU Jian-Yu and XU Fu-Rong. Coulomb Displacement Energies and Shell Closure[J]. Chinese Physics C, 2006, 30(S2): 84-86. shu

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Received: 2006-10-13
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

Coulomb Displacement Energies and Shell Closure

ZHU Jian-Yu
XU Fu-Rong ^,

Corresponding author: XU Fu-Rong,

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

Received Date: 2006-10-13
Accepted Date: 1900-01-01
Available Online: 2006-01-03

Abstract: The mass differences of mirror nuclei have been calculated using the Skyrme-Hartree-Fock model. The deviation of these masses differences from the corresponding experimental results is a longstanding problem and has been studied intensively. In this paper we studied this anomaly systematically. The calculations show that significant changes in the evolution pattern occur around the magic numbers. After the Skyrme force parameters are adjusted to reflect this shell effect, we found that this anomaly is significantly reduced. This shows that the anomaly is dependent on shell closure.