Chin. Phys. Lett.  2008, Vol. 25 Issue (4): 1251-1254    DOI:
Original Articles |
Cross-Correlation of Excitation Functions for Different Fragments and Different Scattering Angles in 27Al(19F,x)y Reactions
HAN Jian-Long1,2;WANG Qi1;BAI Zhen1,2;DONG Yu-Chuan1;LI Song-Lin1;DUAN Li-Min1;XU Hu-Shan1;XU Hua-Gen1;CHEN Ruo-Fu1;WU He-Yu1;LI Zhi-Chang3;LU Xiu-Qin3;ZHAO Kui3;ZHOU Ping3;LIU Jian-Cheng3;XU Guo-Ji3;Sergey Yu Kun 4,5
1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 7300002Graduate School of Chinese Academy of Sciences, Beijing 1000493China Institute of Atomic Energy, Beijing 1024134Centro de Ciencias Fisicas, National University of Mexico (UNAM), Cuernavaca, Mexico5Center for Nonlinear Physics, RSPhysSE, The Australian National University, Canberra ACT 0200, Australia
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HAN Jian-Long, WANG Qi, BAI Zhen et al  2008 Chin. Phys. Lett. 25 1251-1254
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Abstract Excitation functions have been measured for different projectile-like fragments produced in 27Al19F,x)y reactions at incident energies from 110.25 to 118.75MeV in 250keV steps. Strong cross section fluctuations of the excitation functions are observed. The cross-correlation coefficients of the excitation functions for different atomic number Z and for different scattering angle θcm
have been deduced. These coefficients are much larger than the statistical theoretical calculated ones. This indicates that there are strong correlations between different exit channels in the dissipative heavy ion collision of 27Al(19F,x)y.
Keywords: 25.70.Lm      25.70.Pq      24.60.Ky     
Received: 15 January 2008      Published: 31 March 2008
PACS:  25.70.Lm (Strongly damped collisions)  
  25.70.Pq (Multifragment emission and correlations)  
  24.60.Ky (Fluctuation phenomena)  
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HAN Jian-Long
WANG Qi
BAI Zhen
DONG Yu-Chuan
LI Song-Lin
DUAN Li-Min
XU Hu-Shan
XU Hua-Gen
CHEN Ruo-Fu
WU He-Yu
LI Zhi-Chang
LU Xiu-Qin
ZHAO Kui
ZHOU Ping
LIU Jian-Cheng
XU Guo-Ji
Sergey Yu Kun
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