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Chinese Physics C> 2000, Vol. 24> Issue(10) : 933-939 

Binary Reaction and Fusion Reaction in 28Si+12C

  •  Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 73000,China2 University of Catania, LNS Catania, INFN, Italy3 Institute of Physics, Silesian University, Katowice, Poland

  • The energy spectra and angular distributions of products(Z=4-14) emitted in reaction 156.3MeV 28Si+12C were measured by using ΔE-E telescope detectors. Then Lorenz invariant cross sections of the products were presented. The most probable kinetic energy distributions El(θ) in the laboratory system and total kinetic energy Et(Z) in the center of mass system were calculated for the products with Z=4—11,which indicates that these products come mainly from binary process. The complete fusion cross section was deduced to be (980±68)mb for this reaction system. The difference between this value and that extrapolated from the cross section at low energy may attribute mainly to the binary process.
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    [1] . Sander A.Phys.Rev.,1999,C44(6):2676—26932. Sander S J.Phys.Rev.Letters,1987,59(25):2856—28593. Shapir D,Novottny R,Chan Y D.Phys.Lett.,1982,114B:1114. Harmon B A,Thornton S T,Shapira D et al.Phys.Rev.,1986,C34(2):552—5615. Harmon B,Shapira D,Stelsonn PH et al.Phys.Rev.,1988,C38(1):572—5756. Gary S,Volant C.Phys.Rev.,1982,C25(4):1877—18957. Vineyard M F,Mateja J F,Beck Cetal.Phys.Rev.,1993,C47(5):2374—23778. Nagashima Y,Lee S M,Sato M et al.Phys.Rev.,1982,C26(6):2661—26639. Arena N,Cavallaro Seb,Femino’S et al.Phys.Rev.,1994,C50(2):880—89010. ZHENG JiWen,LIANG GuoZhao,LIU HongTao et al.High Energy Phys.and Nucl.Phys.(in Chinese),1986,10:705—710(郑纪文,梁国照,刘洪涛等.高能物理与核物理,1986,10:705—710)11. Matsuse T,ArimaA,LeeSM.Phys.Rev.,1982,C26(5):2338—234112. Birkelund J R,Tubbs L E,Huizenga J R et al.Phys.Rep.,1979,56(3):107—16613. Bass R.Phys.Rev.Lett.,1977,39(5):265—268

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WANG SuFang, Cavallaro Sl, JIN GenMing, Grzeszczuk A and Zipper W. Binary Reaction and Fusion Reaction in 28Si+12C[J]. Chinese Physics C, 2000, 24(10): 933-939.
WANG SuFang, Cavallaro Sl, JIN GenMing, Grzeszczuk A and Zipper W. Binary Reaction and Fusion Reaction in 28Si+12C[J]. Chinese Physics C, 2000, 24(10): 933-939. shu
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Received: 1999-09-28
Revised: 1900-01-01
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Binary Reaction and Fusion Reaction in 28Si+12C

    Corresponding author: WANG SuFang,
  • Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 73000,China2 University of Catania, LNS Catania, INFN, Italy3 Institute of Physics, Silesian University, Katowice, Poland
  • Received Date: 1999-09-28
  • Accepted Date: 1900-01-01
  • Available Online: 2000-10-05

Abstract: The energy spectra and angular distributions of products(Z=4-14) emitted in reaction 156.3MeV 28Si+12C were measured by using ΔE-E telescope detectors. Then Lorenz invariant cross sections of the products were presented. The most probable kinetic energy distributions El(θ) in the laboratory system and total kinetic energy Et(Z) in the center of mass system were calculated for the products with Z=4—11,which indicates that these products come mainly from binary process. The complete fusion cross section was deduced to be (980±68)mb for this reaction system. The difference between this value and that extrapolated from the cross section at low energy may attribute mainly to the binary process.

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