Two-Neutron Transfer Induced by <SUP>6</SUP>He Nuclear Beam at 25MeV/u on a <SUP>9</SUP>Be Target

GE Yu-Cheng; YE Yan-Lin; ZHENG Tao; WANG Quan-Jin; LI Zhi-Huan; LI Xiang-Qing; JIANG Dong-Xing

Chinese Physics C> 2004, Vol. 28> Issue(3) : 262-267

Two-Neutron Transfer Induced by ⁶He Nuclear Beam at 25MeV/u on a ⁹Be Target

Department of Technical Physics and DOE key laboratory of Heavy Ion Physics,Peking University,Beijing 100871,China2 RIKEN,2-1 Hirosawa,Wako,Saitama 351-0198,Japan

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Abstract：
n-and 2n-transfer reaction products ¹⁰Be and ¹¹Be at large c.m. angles were measued in a specially designed set-up for the bombardment of ⁹Be by ⁶He at 150MeV. In total 371 ¹⁰Be and 5¹¹Be events, corresponding to 1n-and 2n-transfer respectively were identified. The experimental differential cross-sections obtained are 0.11±0.02mb/sr(θ_cm≈137.4°) and 1.0±0.7μb/sr(θ_cm≈133.4°) for 1n- and 2n-transfer, respectively. Such results indicate that the differential cross-section of 1n-transfer is about 100 times higher than that of 2n-transfer at large c.m. angle in the reaction studied. Calculation using zero range Distorted Wave Born Approximation(DWBA) for 6He under ⁵He-n and α-2n two-cluster models are performed and discussed.

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GE Yu-Cheng, YE Yan-Lin, ZHENG Tao, WANG Quan-Jin, LI Zhi-Huan, LI Xiang-Qing and JIANG Dong-Xing. Two-Neutron Transfer Induced by ⁶He Nuclear Beam at 25MeV/u on a ⁹Be Target[J]. Chinese Physics C, 2004, 28(3): 262-267.

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Received: 2003-04-16
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

Two-Neutron Transfer Induced by ⁶He Nuclear Beam at 25MeV/u on a ⁹Be Target

Corresponding author: GE Yu-Cheng,

Department of Technical Physics and DOE key laboratory of Heavy Ion Physics,Peking University,Beijing 100871,China2 RIKEN,2-1 Hirosawa,Wako,Saitama 351-0198,Japan

Received Date: 2003-04-16

Accepted Date: 1900-01-01

Available Online: 2004-03-05

Abstract: n-and 2n-transfer reaction products ¹⁰Be and ¹¹Be at large c.m. angles were measued in a specially designed set-up for the bombardment of ⁹Be by ⁶He at 150MeV. In total 371 ¹⁰Be and 5¹¹Be events, corresponding to 1n-and 2n-transfer respectively were identified. The experimental differential cross-sections obtained are 0.11±0.02mb/sr(θ_cm≈137.4°) and 1.0±0.7μb/sr(θ_cm≈133.4°) for 1n- and 2n-transfer, respectively. Such results indicate that the differential cross-section of 1n-transfer is about 100 times higher than that of 2n-transfer at large c.m. angle in the reaction studied. Calculation using zero range Distorted Wave Born Approximation(DWBA) for 6He under ⁵He-n and α-2n two-cluster models are performed and discussed.

Two-Neutron Transfer Induced by ⁶He Nuclear Beam at 25MeV/u on a ⁹Be Target

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Two-Neutron Transfer Induced by ⁶He Nuclear Beam at 25MeV/u on a ⁹Be Target

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Two-Neutron Transfer Induced by 6He Nuclear Beam at 25MeV/u on a 9Be Target

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Two-Neutron Transfer Induced by 6He Nuclear Beam at 25MeV/u on a 9Be Target

Corresponding author: GE Yu-Cheng,

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Two-Neutron Transfer Induced by ⁶He Nuclear Beam at 25MeV/u on a ⁹Be Target

Two-Neutron Transfer Induced by ⁶He Nuclear Beam at 25MeV/u on a ⁹Be Target