Chinese Physics C > 1997, Vol. 21 > Issue(5): 402-407

Isotope Distribution of Ir Produced in Intermediate Energy¹²C on¹⁹⁷Au

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000

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Abstract：
Yields of lr isotopes from ¹²C (47MeV/u)＋ ¹⁹⁷Au have been measured by using chemical separation and γ spectroscopy method. The lr isotope distribution was ob tained after correction for decay during the irradiation period by using the accutnulation yields of Pt. The cross sections of A>170 neutron-rich isotopes , the Qgg systematics of cross sections and the residual excitation energy of target - like frafpnents are discussed.

References

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Zhang Li,Jin Genming,Zhao Jinhua et al.,Phys.Rev.,C49（1994）R592[2]S.Yuan,W,Yang,W,Mou et al.,Z.Phys.,A352（1995）2353;[3]K.Summerer,W.Bruchle,D,J.Morrissey et al.,Phys.Rev.,C42（1990）2546.[4]H.Kudo,K.J.Moody,G.T.Seaborg,phys.Rev.C130（1984）1561.[5]K.H.Schmidt,T.Brohm,H.G.Clerc et al.,Phys,Lett.B300（1993）313.[6]杨维凡、赵之正、李宗伟等，高能物理与核物理17（1993）873,[7]李宗伟、赵之正、杨维凡等，核化学与放射化学，16（1994）178.[8]赵之正、孙彤玉，中国科学院近代物理所1994年年报。[9]李桂生、王经、赵彦森等，核化学与放射化学，15（1993）193.[10]赵有雄、郭忠言、诸永泰等，高能物理与核物理，11（1992）1022.[11]V.V.Volkov,Phys.Report.,44（1978）93

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Zhao Zhizheng, Hu Zhiqinang, Yang Weifan, Li Zongwei, Sun Xiurong, Qin Zhi, Yang Yongfeng, Mu Wantong, Xie Xiujun, Zhang Li, Yuan Shuanggui, Wu Dingqing and Cai Xichen. Isotope Distribution of Ir Produced in Intermediate Energy ¹²C on ¹⁹⁷Au[J]. Chinese Physics C, 1997, 21(5): 402-407.

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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

Isotope Distribution of Ir Produced in Intermediate Energy¹²C on¹⁹⁷Au

Corresponding author:Zhao Zhizheng,

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1997-05-05

Abstract:Yields of lr isotopes from¹²C (47MeV/u)＋¹⁹⁷Au have been measured by using chemical separation and γ spectroscopy method. The lr isotope distribution was ob tained after correction for decay during the irradiation period by using the accutnulation yields of Pt. The cross sections of A>170 neutron-rich isotopes , the Qgg systematics of cross sections and the residual excitation energy of target - like frafpnents are discussed.