Statistical Properties of the Realistic Model Spectra for Doubly-Odd Nuclei

Chin. Phys. Lett.

2002, Vol. 19

Issue (3): 309-311 DOI:

Original Articles

Statistical Properties of the Realistic Model Spectra for Doubly-Odd Nuclei

CHENG Nan-Pu;CHEN Zhi-Qian;CHEN Hong

Department of Physics, Southwest China Normal University, Chongqing 400715

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CHENG Nan-Pu, CHEN Zhi-Qian, CHEN Hong 2002 Chin. Phys. Lett. 19 309-311

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Abstract The statistical properties of the energy levels calculated for the doubly-odd nuclei ⁸⁴Y, ¹²⁴Cs and ¹⁵⁶Tb within the quasiparticle plus axially symmetric rotor model are studied by means of the two standard statistical tests of random-matrix theory, i.e. the distribution function p(s) of the nearest-neighbor level spacings and the spectral rigidity (Δ₃ statistics). We also investigate the Brody distribution function p_B(s) with a single parameter that describes the chaotic degree of the systematic dynamics and the transition behaviour of the spectral fluctuations between Poisson and gauss orthogonal ensemble limits.

Keywords: 21.10.-k 21.60.-n 24.60.-k 24.60.Lz

Published: 01 March 2002

PACS:	21.10.-k	(Properties of nuclei; nuclear energy levels)
	21.60.-n	(Nuclear structure models and methods)
	24.60.-k	(Statistical theory and fluctuations)
	24.60.Lz	(Chaos in nuclear systems)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2002/V19/I3/0309

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