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Chinese Physics C> 2001, Vol. 25> Issue(6) : 500-505 

Analysis of the Energy Autocorrelation Functions in Dissipative Heavy Ion Collision of 27Al+27Al

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

  • The excitation functions of the dissipative fragments emitted from the reaction of 27Al+27Al have been measured in the energy region from 114MeV to 127MeV in steps of 200keV. The detection system covered continuous angles from 10° to 57° in laboratory system. The energy autocorrelation functions of the dissipative fragments have been analyzed by using different approaches,especially using the statistical nuclear reaction model with memory. The results indicate that the intermediate dinuclear system formed in the dissipative process is set in a damped coherent nuclear rotation which causes the nonself averaging oscillation structure in the excitation functions and originates from a typical quantum chaotic motion.
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WANG Qi, LI Song-Lin, TIAN Wen-Dong, LU Jun, HU Peng-Yun and LUO Yi-Xiao. Analysis of the Energy Autocorrelation Functions in Dissipative Heavy Ion Collision of 27Al+27Al[J]. Chinese Physics C, 2001, 25(6): 500-505.
WANG Qi, LI Song-Lin, TIAN Wen-Dong, LU Jun, HU Peng-Yun and LUO Yi-Xiao. Analysis of the Energy Autocorrelation Functions in Dissipative Heavy Ion Collision of 27Al+27Al[J]. Chinese Physics C, 2001, 25(6): 500-505. shu
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Received: 2000-06-13
Revised: 1900-01-01
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Analysis of the Energy Autocorrelation Functions in Dissipative Heavy Ion Collision of 27Al+27Al

    Corresponding author: WANG Qi,
  • Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000,China
  • Received Date: 2000-06-13
  • Accepted Date: 1900-01-01
  • Available Online: 2001-06-05

Abstract: The excitation functions of the dissipative fragments emitted from the reaction of 27Al+27Al have been measured in the energy region from 114MeV to 127MeV in steps of 200keV. The detection system covered continuous angles from 10° to 57° in laboratory system. The energy autocorrelation functions of the dissipative fragments have been analyzed by using different approaches,especially using the statistical nuclear reaction model with memory. The results indicate that the intermediate dinuclear system formed in the dissipative process is set in a damped coherent nuclear rotation which causes the nonself averaging oscillation structure in the excitation functions and originates from a typical quantum chaotic motion.

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