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Chinese Physics C> 1985, Vol. 9> Issue(1) : 71-76 

MEASUREMENT AND ANALYSIS OF EMITTED α PARTICLES IN REACTIONS OF 12C BOMBARDING 12C,27Al AND natCa

  • The energy spectra and angular distributions of the emitted α particles in the reactions of the 69.5MeV 12C bombarding 12C,27Al and natCa have been measured and analysed using the fast particle exciton model. The contribution from the equilibrium and preequilibrium α-emissions is calculated to be 89%, 81% and 83% of the total α yields for the three reactions respectively, where the preequilibrium α emissions are 11%, 14% and 16% respectively. A small contribution comes from the other reaction mechanism.
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    [1] Takaharu Otsuka et al., Phys. Lett., B121 (1983), 106.[2] M. B. Tsang et al., Phys. Rev., C23 (1981), 1560.[3] R. Billerey et al., Phys. Rev. Lett., 47 (1981), 639.[4] M. Blann, Nucl. Phys. A235 (1974), 221.[5] M. Blann, Phys. Rev., C23 (1981), 205.[6] 缪容之, 吴国华, 郑卫汉, 刘建业, 于超凡, 于逼, 高能物理与核物理, 待发表.[7] 缪容之, 吴国华, 郑卫汉, 刘建业, 于超凡, 于遏, 高能物理与核物理, 待发表.[8] I. Dostrovsky et al., Phys. Rev., 116 (1959), 683.[9] J. M. Akkerman et al., Phys. Rev., C22 (1980), 73.[10] I. Ribansky et al., Phys. Lett., 45B (1973), 318.

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XIE Yuan-Xiang, WU Guo-Hua, ZHU Yong-Tai, MIAO Rong-Zhi, FENG En-Pu, YIN Xu, MIAO He-Bin, CAI Jing-Xiang, SHEN Wen-Qing, SUN Shu-MiNG, WEI Jian-Jun and LI Song-Lin. MEASUREMENT AND ANALYSIS OF EMITTED α PARTICLES IN REACTIONS OF 12C BOMBARDING 12C,27Al AND natCa[J]. Chinese Physics C, 1985, 9(1): 71-76.
XIE Yuan-Xiang, WU Guo-Hua, ZHU Yong-Tai, MIAO Rong-Zhi, FENG En-Pu, YIN Xu, MIAO He-Bin, CAI Jing-Xiang, SHEN Wen-Qing, SUN Shu-MiNG, WEI Jian-Jun and LI Song-Lin. MEASUREMENT AND ANALYSIS OF EMITTED α PARTICLES IN REACTIONS OF 12C BOMBARDING 12C,27Al AND natCa[J]. Chinese Physics C, 1985, 9(1): 71-76. shu
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Received: 1900-01-01
Revised: 1900-01-01
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MEASUREMENT AND ANALYSIS OF EMITTED α PARTICLES IN REACTIONS OF 12C BOMBARDING 12C,27Al AND natCa

    Corresponding author: XIE Yuan-Xiang,
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1985-02-05

Abstract: The energy spectra and angular distributions of the emitted α particles in the reactions of the 69.5MeV 12C bombarding 12C,27Al and natCa have been measured and analysed using the fast particle exciton model. The contribution from the equilibrium and preequilibrium α-emissions is calculated to be 89%, 81% and 83% of the total α yields for the three reactions respectively, where the preequilibrium α emissions are 11%, 14% and 16% respectively. A small contribution comes from the other reaction mechanism.

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