Spectra Statistics for the Odd-Odd Nucleus 86Nb

ZHENG Ren-Rong; ZHU Shun-Quan; CHENG Nan-Pu

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Spectra Statistics for the Odd-Odd Nucleus 86Nb

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The energy levels of the odd-odd nucleus 86 Nb at low spins are calculated by using quasi-particles plus a rotor rnmodel. The distribution of the nearest-neighbour spacing and the spectral rigidity are studied. We find that the rnchaotic degree of the energy spectra increases with the increasing spin and reaches a maximum at I ＝ 10; then it rndecreases gradually for spins above I ＝ 10. The recoil term in the model Haniltonian makes the energy spectra rnslightly regular. The Coriolis force, however, makes the spectra chaotic and plays a major role in the spectral rnstatistics of the odd-odd nucleus 86Nb.

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《中国物理快报：英文版》 |2001年第10期|1327-1330|共4页
作者
ZHENG Ren-Rong; ZHU Shun-Quan; CHENG Nan-Pu;
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Department of Physics, Shanghai Normal University, Shanghai 200234;

Department of Physics, Shanghai Normal University, Shanghai 200234;

Department of Physics, Shanghai Normal University, Shanghai 200234;

Department of Physics, Southwest Normal University, Chongqing 400715;

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中图分类物理学;
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Spectra Statistics for the Odd-Odd Nucleus 86Nb

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