Production cross-section of 230Ra in the reaction of 60 MeV/u 18O ions with 238U

YANG Wei-Fan; DING Hua-Jie; YUAN Shuang-Gui; XU Yan-Bing; ZHANG Sheng-Dong; LU Xi-Ting

Chinese Physics C> 2008, Vol. 32> Issue(S2) : 56-58

Production cross-section of ²³⁰Ra in the reaction of 60 MeV/u ¹⁸O ions with ²³⁸U

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Abstract：
A thick natural uranium target was bombarded with a 60 MeV/u ¹⁸O beam. The neutron-rich isotope ²³⁰Ra as the target residue was produced through the multinucleon transfer reaction(²³⁸U-4p-4n). The barium and radium fraction as BaCl₂ precipitate were radiochemically separated first from the mixture of uranium and reaction products. Then, the radium fraction was separated from BaCl₂ precipitate by using cation exchange technique. The γ-ray spectra of the Ra fraction were measured using an HPGe detector. The production cross sections of ²³⁰Ra were obtained by a combination of the radiochemical separation technique and off-line γ-ray spectroscopy. The cross section of ²³⁰Ra has been determined to be 66±20 μb.

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YANG Wei-Fan, DING Hua-Jie, YUAN Shuang-Gui, XU Yan-Bing, ZHANG Sheng-Dong and LU Xi-Ting. Production cross-section of ²³⁰Ra in the reaction of 60 MeV/u ¹⁸O ions with ²³⁸U[J]. Chinese Physics C, 2008, 32(S2): 56-58.

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Received: 2008-07-16
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Production cross-section of ²³⁰Ra in the reaction of 60 MeV/u ¹⁸O ions with ²³⁸U

Corresponding author: YANG Wei-Fan,

Received Date: 2008-07-16

Accepted Date: 1900-01-01

Available Online: 2008-01-03

Abstract: A thick natural uranium target was bombarded with a 60 MeV/u ¹⁸O beam. The neutron-rich isotope ²³⁰Ra as the target residue was produced through the multinucleon transfer reaction(²³⁸U-4p-4n). The barium and radium fraction as BaCl₂ precipitate were radiochemically separated first from the mixture of uranium and reaction products. Then, the radium fraction was separated from BaCl₂ precipitate by using cation exchange technique. The γ-ray spectra of the Ra fraction were measured using an HPGe detector. The production cross sections of ²³⁰Ra were obtained by a combination of the radiochemical separation technique and off-line γ-ray spectroscopy. The cross section of ²³⁰Ra has been determined to be 66±20 μb.

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Production cross-section of ²³⁰Ra in the reaction of 60 MeV/u ¹⁸O ions with ²³⁸U

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Production cross-section of ²³⁰Ra in the reaction of 60 MeV/u ¹⁸O ions with ²³⁸U

Corresponding author: YANG Wei-Fan,

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