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Chinese Physics C> 1993, Vol. 17> Issue(2) : 166-172 

Projectile Fragmentation in 46.7MeV/u 12C Induced Reactions

  •  Institute of Modern Physics,Academia Sinica,Lanzhou 730000

  • The projectile-like fragments emittd from 46.7MeV/u 12C induced reactions have been measured.The most probable energies of the PLFs due to the projectile fragmentation can be reproduced within the Abrasion picture.Their parallel momentum distribution widths are found to fulfill the Goldhaber relation and the extraced reduced parallel momentum distribution width σ0 is 80±10MeV/c,which is close to the value obtained in the relativistic energy region.Futhermore,the values of σ0 are the same for different reaction systems in our experiment.
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    [1] J. C. Steckmeyer et al., Nucl. Phys., t}500(1989), 372.[2]C. Pruneau et al., Nucl. Phys., A500(1989), 168.[3]j M. Morjean et al., Phys. Lett., 203B(1988), 215[4]D. Guerreau et al., Phys. Lett., 131B(1983), 293.[5]V. Horrel et al., Z. Phys., A324(1986), 205.[6]K. Van Bibber et al., Phys. Rev. lett., 43(1979), 840.[7]V. Horrel et al., Z. Phys., A314(1983), 191.[8]F. Rami et al., Nucl. Phys., A444(1985), 325.[9]刘冠华等,"46.7MeV/u"C引起的核反应中碎裂与转移的竟争”,高能物理与核物理,待发表。[10]D. E. Greiner et al., Phys. Rev. Lett:., 35(1975), 152.[11]A. S. GoIdhaber, Phys. Lett., 53B(1974), 306.[12]G. Bertsch, Phys. Rev. Lett., 48(1981), 472.[13]M. J. Murphy, Phys. Rev., 135B(1984), 25.[14]W. A. Friedman, Phys. Rev., 027(1983), 569.[15]Zhu Yongtai et al., High Energy Phys. and Nucl. Phys. 14(1990), 195.[16]D. E. Greiner et al., Phys. Rev., 028(1983), 1602.

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LIU Guan-Hua, ZHAN Wen-Long, ZHU Yong-Tai, GUO Zhong-Yan, HU Xiao-Qing, XI Hong-Fei, ZHOU Jian-Qun, YIN Shu-Zhi, FENG En-Pu, ZHAO You-Xiong, WEI Zhi-Yong and FAN En-Jie. Projectile Fragmentation in 46.7MeV/u 12C Induced Reactions[J]. Chinese Physics C, 1993, 17(2): 166-172.
LIU Guan-Hua, ZHAN Wen-Long, ZHU Yong-Tai, GUO Zhong-Yan, HU Xiao-Qing, XI Hong-Fei, ZHOU Jian-Qun, YIN Shu-Zhi, FENG En-Pu, ZHAO You-Xiong, WEI Zhi-Yong and FAN En-Jie. Projectile Fragmentation in 46.7MeV/u 12C Induced Reactions[J]. Chinese Physics C, 1993, 17(2): 166-172. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Projectile Fragmentation in 46.7MeV/u 12C Induced Reactions

    Corresponding author: LIU Guan-Hua,
  • Institute of Modern Physics,Academia Sinica,Lanzhou 730000
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1993-02-05

Abstract: The projectile-like fragments emittd from 46.7MeV/u 12C induced reactions have been measured.The most probable energies of the PLFs due to the projectile fragmentation can be reproduced within the Abrasion picture.Their parallel momentum distribution widths are found to fulfill the Goldhaber relation and the extraced reduced parallel momentum distribution width σ0 is 80±10MeV/c,which is close to the value obtained in the relativistic energy region.Futhermore,the values of σ0 are the same for different reaction systems in our experiment.

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