Relaxation of Isoscalar Giant Monopole Resonance

Wen Wanxin; Zhong Jiquan; Jin Genming

Chinese Physics C> 1996, Vol. 20> Issue(6) : 546-553

Relaxation of Isoscalar Giant Monopole Resonance

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000

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

References

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B.D.Serot,J.D.Walecka,Adv.Nucl.Phys.,16（1986）1.[2]F.E.Bertrand,Nucl.Phys.,A354（1981）124.[3]S.Shlomo,D.H.Youngblood,Phys.Rev.,C47（1993）529.[4]V.Abrosimov,M.DiToro,A.Smerzi,Z.Phys.,A307（1994）161.[5]A.Bonasera,F.Gulminelli,J.Molitoris,Phys.Reports,243（1994）1.[6]G.F.Bertsch,S.Das Gupta,Phys.Rep.,160（1988）189.[7]P.Ring,P.Schuck,The Nuclear Many-Body Problem,209-211,Springer-Verlag,New York,1980.[8]钟纪泉、文万信等，高能物理与核物理，14（1995）1114.[9]A.Bonasera,F.Gulminelli,P.Schuck,Phys.Rev.,C46（1992）1431.

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Wen Wanxin, Zhong Jiquan and Jin Genming. Relaxation of Isoscalar Giant Monopole Resonance[J]. Chinese Physics C, 1996, 20(6): 546-553.

Wen Wanxin, Zhong Jiquan and Jin Genming. Relaxation of Isoscalar Giant Monopole Resonance[J]. Chinese Physics C, 1996, 20(6): 546-553. shu

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Received: 1900-01-01
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

Relaxation of Isoscalar Giant Monopole Resonance

Corresponding author: Wen Wanxin,

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-06-05

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