Origins of Intermediate Mass Fragments for 40Ar+natAg Reaction at 30 MeV/u

  • The energy spectra of intermediate-mass fragments (IMF) (3≤Z≤16) have been measured from 6° to 110° for 40Ar+natAg reachon at 30 MeV/u. The energy spectra were analyzed by the moving source model. The natUres of the projechle-like source, target-like source and mid-rapidity source as well as the evolution with angle and nuclear charge were discussed. Two intermediate mass fragments, measured by correlation method in forward angles, come from two sources. One comes from projectile-like source, and other one mainly comes from intermediate source respectively.
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  • [1] Kim Y D et al. Phys. Rev., 1992,C45:3382 Sangster T C et al. Phys. Aev, 1992, C46: 1404 3 Natowitz J B. Nucl. Phys, 1992, A488:263C 4 He Zhiyong et al. fogh Enefgy Phys. and Nuclear Phys.(in Chinese), 1998, 22:13 (贺智勇等.高能物理与核物理,1998,22:13) 5 Jiap Dongxing et al. Chinese Journal of NucL Phys.1995, 17:223 6 Qian Xing et al. High Energy Phys.and Nucl. Phys.(in Chinese), 1996,20:304 (钱兴等.高能物理与核物理,1996,20:304) 7 Li Zuyu et al. Nucl. Instr. and Meth、 1996, A373: 198 8 Pochodzalla J et al. Phys. Rev.3 1987, C35: 1695 9 Chen Z et al. Phys. Rev., 1987, C36:2297; Phys. Lett. 1987, B199:171 10 Nnyak T K et al. Phys. Rev.19929 C45:13211 Phair L et al. Nucl. Phys.3 1992, A548:489 12 kim Y D et al. Phys. Rev.3 1992, C45:388 13 Wada R et al. Nucl. Phys.1992, A539:316 14 SOkolov A et al、 Nucl. Phys. 1993, A562:273 15 Li Zuyu et al. High Enefgy Phys. and Nucl.Phys.(in Chinese), 1998, 22(8):684 (李祖玉等. 高能物理与核物理, 1998,22(8):684)
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Li Zuyu, Wang Hongwei, He Zhiyong, Duan Limin, Zhang Baoguo, Dai Guangxi, Fu Yanbiao, Jin Genming and Wu Heyu. Origins of Intermediate Mass Fragments for 40Ar+natAg Reaction at 30 MeV/u[J]. Chinese Physics C, 1999, 23(8): 753-759.
Li Zuyu, Wang Hongwei, He Zhiyong, Duan Limin, Zhang Baoguo, Dai Guangxi, Fu Yanbiao, Jin Genming and Wu Heyu. Origins of Intermediate Mass Fragments for 40Ar+natAg Reaction at 30 MeV/u[J]. Chinese Physics C, 1999, 23(8): 753-759. shu
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Received: 1998-06-08
Revised: 1900-01-01
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Origins of Intermediate Mass Fragments for 40Ar+natAg Reaction at 30 MeV/u

    Corresponding author: Li Zuyu,
  • Institute of Modern Physics, me Chinese Academy of sciences, tonzhou 730000

Abstract: The energy spectra of intermediate-mass fragments (IMF) (3≤Z≤16) have been measured from 6° to 110° for 40Ar+natAg reachon at 30 MeV/u. The energy spectra were analyzed by the moving source model. The natUres of the projechle-like source, target-like source and mid-rapidity source as well as the evolution with angle and nuclear charge were discussed. Two intermediate mass fragments, measured by correlation method in forward angles, come from two sources. One comes from projectile-like source, and other one mainly comes from intermediate source respectively.

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