Relaxation of Isoscalar Giant Monopole Resonance

Wen Wanxin; Zhong Jiquan; Jin Genming

Chinese Physics C> 1996, Vol. 20> Issue(S3) : 277-284

Relaxation of Isoscalar Giant Monopole Resonance

Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, China

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Abstract：
The relaxation of the isoscalar giant monopole resonance (GMR) in the hot nuclei produced in heavy-ion reactions is discussed based on the Boltzmann-Nordherin-Vlasov equation. The oscillation of the GMR in the spherical hot nuclei is isotropic. The GMR energy calculated is approximately equal to that resulting from the formula E_GMR=80A^-1/3. The nucleon collision and the particle escape are the dominant reasons for the relaxation of the GMR in the hot nuclei.
- breathing mode ,
- BNV equation ,
- giant monopole resonance

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Wen Wanxin, Zhong Jiquan and Jin Genming. Relaxation of Isoscalar Giant Monopole Resonance[J]. Chinese Physics C, 1996, 20(S3): 277-284.

Wen Wanxin, Zhong Jiquan and Jin Genming. Relaxation of Isoscalar Giant Monopole Resonance[J]. Chinese Physics C, 1996, 20(S3): 277-284. shu

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Received: 1995-02-11

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Supported by the Science Foundation of the Chinese Academy of Sciences.

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沈阳化工大学材料科学与工程学院沈阳 110142

Relaxation of Isoscalar Giant Monopole Resonance

Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, China

Received Date: 1995-02-11

Fund Project: Supported by the Science Foundation of the Chinese Academy of Sciences.

Abstract: The relaxation of the isoscalar giant monopole resonance (GMR) in the hot nuclei produced in heavy-ion reactions is discussed based on the Boltzmann-Nordherin-Vlasov equation. The oscillation of the GMR in the spherical hot nuclei is isotropic. The GMR energy calculated is approximately equal to that resulting from the formula E_GMR=80A^-1/3. The nucleon collision and the particle escape are the dominant reasons for the relaxation of the GMR in the hot nuclei.