CORE EXCITATION EFFECT AND FULLY MICROSCOPIC DWBA ANALYSES ON 89Y(α,p) 92Zr REACTION

  • The differential cross sections have been measured for the 89Y(α,p) 92Zr reaction with some low-lying states and for the 89Y(α,α)89Y elastic scattering by using 26.1MeV α beam.A fully microscopic DWBA analysis for 89Y(α,p) 92Zr have been performed by using 89Y and 92Zr shell-model wavefunction with or without the core excited configuration.With the core excited configuration,relative strengths of the ground state and the first excited state are greatly improved.Finally,the absolute cross sections for 89Y(α,p) 92Zr and importance of shallow well depth of α potential are discussed.
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  • [1] W. R. Falk eL al. Nucl. phys., A334 (1980), 445. Nucl. phys., A 252 (1975), 452.[2] B. F. Bayman et al., Nucl. phys., A318 (1979), 317. phys. Rev., 156(1967), 1121.[3] P. D. Kunz et al., Nucl. phys., A376(1983), 401; Computer code DWUCK4, Private communication.[4] H. Oberhummer et al, Nucl. Phys., A401(1983), 415; P. A. Smith, Phys. Rev., C18(1978), 2065.[5] J. J. Harnill and P. D. Kunz. phys. Lett., 129(1983), 5.[6] F. Brunner et al., Nucl. phys., A 398(1983), 84.[7] P. A. Smith et al., phys. Rev., C19(1979), 1767.[8] M. Wit et al, Phys. Rev., C12(1975), 1447.[9] R. J. Peterson et al., Nucl. phys., A211 (1975), 253.[10] L. R. Medsker et al., Nucl. Phys., A292 (1977), 61.[11] Y. S. Park et al., phys. Rev., C7(1973), 445.[12] 袁坚等,高能物理和核物理,6(1982),355,[13] 毛志强,孙祖训,原子核物理,8(1986),40,[14] 毛志强,孙祖训,袁坚,FF3AP程序,未发表.[15] J. D. Vergados, T. T. S. Kuo, Nucl. Phys., A168(1971), 225.[16] J. L. Horton et al, phys. Rev., C13(1976), 2212;[17] J. Picard et al., Nucl. phys., A131 (1969), 636.[18] C. M. Perey and F. G. Perey, Atoniic Data Nucl. Data Table, 17(1976), 1; phys. Rev., 131 (1978), 745.[19] F. D. Becchetti et al., phys. Rev., 162(1978), 1190.[20] P. Schwandt IUCF Report No: 82-3.[21] E. Friedman et al., Nucl. Phys., A363(1981), 137.[22] J. B. England et al., Nucl. Phys., A388(1981), 573.
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YUAN Jian, MAO Zhi-Qiang, ZHANG Pei-Hua, YUAN Rong-Fang, BAO Xiu-Min, WANG Yuan-Da, XU Jian-Ping, XU Xie and SUN Zu-Xun. CORE EXCITATION EFFECT AND FULLY MICROSCOPIC DWBA ANALYSES ON 89Y(α,p) 92Zr REACTION[J]. Chinese Physics C, 1989, 13(11): 1049-1056.
YUAN Jian, MAO Zhi-Qiang, ZHANG Pei-Hua, YUAN Rong-Fang, BAO Xiu-Min, WANG Yuan-Da, XU Jian-Ping, XU Xie and SUN Zu-Xun. CORE EXCITATION EFFECT AND FULLY MICROSCOPIC DWBA ANALYSES ON 89Y(α,p) 92Zr REACTION[J]. Chinese Physics C, 1989, 13(11): 1049-1056. shu
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CORE EXCITATION EFFECT AND FULLY MICROSCOPIC DWBA ANALYSES ON 89Y(α,p) 92Zr REACTION

    Corresponding author: YUAN Jian,
  • Institute of Atomic Energy,Beijing

Abstract: The differential cross sections have been measured for the 89Y(α,p) 92Zr reaction with some low-lying states and for the 89Y(α,α)89Y elastic scattering by using 26.1MeV α beam.A fully microscopic DWBA analysis for 89Y(α,p) 92Zr have been performed by using 89Y and 92Zr shell-model wavefunction with or without the core excited configuration.With the core excited configuration,relative strengths of the ground state and the first excited state are greatly improved.Finally,the absolute cross sections for 89Y(α,p) 92Zr and importance of shallow well depth of α potential are discussed.

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