STUDY ON THE INTERACTION OF 960A MeV <SUP>238</SUP>U IONS WITH LIGHT NUCLEI

CUI Huan-Hua; KE Wei; ZHOU Jian; LV Wei-Chun

Chinese Physics C> 1989, Vol. 13> Issue(3) : 199-204

STUDY ON THE INTERACTION OF 960A MeV ²³⁸U IONS WITH LIGHT NUCLEI

Institute of High Energy Physics,Academia Sinice Beijing2 Tsinghua University,Beijing3 Phillipps Universitat,W.Germany

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Abstract：
A CR-39 track detector was used both as a target and a detector to study the interaction of 960A MeV ²³⁸U ions with light nuclei (¹H,¹²C,¹⁶O).The range mean free path and cross section of 690A MeV ²³⁸U ions in CR-39 have been found to be 6.8cm,4.33cm and 2160mb respectively.The average multiplicity due to fragmentation of ²³⁸U projectiles with light nuclei has been found to be 2.03.It is shown that the most common mode of interaction is binary fission.The reaction products consist of two track peaks according to track diameter distribution.The ratio of track density of each peak to track density of reaction products comes out to be 20% and 80% respectively.

References

[1]

S. P. Ahlen et al., Science, 217(1982), 1139.[2] K. Jamil et al.. Nucl.Instr. Meth. to be published.[3] M. H. Salamon et al., Nucl. Instr. Meth. in Phys. Rev, B6(1985), 504.[4] E. V. Benton U. S. Naval Radiological Defence Laboratory TR-68-14 (1968).[5]W . H. Barkas et al., National Academy of Science-National Research Council Publication-1133, 103(1964)[6] H. L. Bradt et al., Phys. Rev., 77(1950), 54.[7] G. D. Westfall et al., Phys. Rev., C19(1979), 1309.[8] M. L. Tincknell et al., Phys. Rev. Lett, 51(1983), 1948.

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CUI Huan-Hua, KE Wei, ZHOU Jian and LV Wei-Chun. STUDY ON THE INTERACTION OF 960A MeV ²³⁸U IONS WITH LIGHT NUCLEI[J]. Chinese Physics C, 1989, 13(3): 199-204.

CUI Huan-Hua, KE Wei, ZHOU Jian and LV Wei-Chun. STUDY ON THE INTERACTION OF 960A MeV ²³⁸U IONS WITH LIGHT NUCLEI[J]. Chinese Physics C, 1989, 13(3): 199-204. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

STUDY ON THE INTERACTION OF 960A MeV ²³⁸U IONS WITH LIGHT NUCLEI

Corresponding author: CUI Huan-Hua,

Institute of High Energy Physics,Academia Sinice Beijing2 Tsinghua University,Beijing3 Phillipps Universitat,W.Germany

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-03-05

Abstract: A CR-39 track detector was used both as a target and a detector to study the interaction of 960A MeV ²³⁸U ions with light nuclei (¹H,¹²C,¹⁶O).The range mean free path and cross section of 690A MeV ²³⁸U ions in CR-39 have been found to be 6.8cm,4.33cm and 2160mb respectively.The average multiplicity due to fragmentation of ²³⁸U projectiles with light nuclei has been found to be 2.03.It is shown that the most common mode of interaction is binary fission.The reaction products consist of two track peaks according to track diameter distribution.The ratio of track density of each peak to track density of reaction products comes out to be 20% and 80% respectively.