Study of Production of Secondary Beams from 95MeV/u <SUP>12</SUP>C Projectile

Yang Yongfeng; Roussel Chomaz

Chinese Physics C> 1995, Vol. 19> Issue(11) : 980-986

Study of Production of Secondary Beams from 95MeV/u ¹²C Projectile

Yang Yongfeng ^, ,
Roussel Chomaz

Institute of Modern Physics, The Chinese Academy of Sciences,Lanzhou 7300002 GANIL,BP5027,14021 Caen cedex,France3 IPN, 91406 Orsay,France

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Abstract：
A systematic study about the production of secondary beams in 95MeV/u ¹²C+Be,Cu and An targets was performed by using the GANIL doubly achromatic spectrometer LISE.The maximum values of the secondary beam production calculated by programs LISE and INTENSITY are in agreement with the experimental results for the secondary beams near the β stability line.However,the calculations are larger than the experimental results for the secondary beams far from the β stability line.The optimum target thickness for the production of secondary beams corresponds to about 30% beam energy loss in the target.Beryllium target was found to offer higher production for all the secondary beams than copper and gold targets.

References

[1]

International Workshop on the Physics and Technique of Secondary Nuclear Beam,Dourdan,France,March23-25,1992 and Third International Conferenpe on Radioactive Nuclar Beam,MSU,May24-27,1993.[2] R.Bimbot et al,Z.Phys,A322（1985）443.[3] R.Bimbot,Report IPNO-DER,87-35（1987）.[4] R.Anne et al,Nucl.Instr.and Meth,A257（1987）215.[5] D.Bazin,私人通信。[6] J.A.Winger et al,Nucl.Instr.and Meth.B70（1992）380.[7] V.Borrel et al,Z.Phys,A314（1983）191.[8] A.S.Goldhaber,Phys.Lett,B53（1974）306.[9] K.Summerer et al,Phys.Rev,C42（1990）.2546.[10] G.Andi,A.H.Wapstra,the 1993 Atomic Mass Evaluation,Nucl.Phys,A565（1993）70.

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Yang Yongfeng and Roussel Chomaz. Study of Production of Secondary Beams from 95MeV/u ¹²C Projectile[J]. Chinese Physics C, 1995, 19(11): 980-986.

Yang Yongfeng and Roussel Chomaz. Study of Production of Secondary Beams from 95MeV/u ¹²C Projectile[J]. Chinese Physics C, 1995, 19(11): 980-986. 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 of Production of Secondary Beams from 95MeV/u ¹²C Projectile

Yang Yongfeng ^,
Roussel Chomaz

Corresponding author: Yang Yongfeng,

Institute of Modern Physics, The Chinese Academy of Sciences,Lanzhou 7300002 GANIL,BP5027,14021 Caen cedex,France3 IPN, 91406 Orsay,France

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1995-11-15

Abstract: A systematic study about the production of secondary beams in 95MeV/u ¹²C+Be,Cu and An targets was performed by using the GANIL doubly achromatic spectrometer LISE.The maximum values of the secondary beam production calculated by programs LISE and INTENSITY are in agreement with the experimental results for the secondary beams near the β stability line.However,the calculations are larger than the experimental results for the secondary beams far from the β stability line.The optimum target thickness for the production of secondary beams corresponds to about 30% beam energy loss in the target.Beryllium target was found to offer higher production for all the secondary beams than copper and gold targets.