Knockout reaction induced by <SUP>6</SUP>He at 61.2 MeV/u

YE Yan-Lin; JIANG Dong-Xing; HUA Hui; ZHENG Tao; LI Zhi-Huan; GE Yu-Cheng; LI Xiang-Qing; LOU Jian-Ling; CAO Zhong-Xin; SONG Yu-Shou; XIAO Jun; LI Qi-Te; QIAO Rui; YOU Hai-Bo; CHEN Rui-Jiu; XU Hu-Shan; WANG Jian-Song; GUO Zhong-Yan; ZHANG Xue-Ying; LI Chen; HU Zheng-Guo; CHEN Ruo-FU; WANG Meng; XU Zhi-Guo; YUE Ke; TANG Bin; ZANG Yong-Dong; ZHANG Xue-Heng; YAO Xiang-Wu; CHEN Jin-Da; BAI Zhen

doi:10.1088/1674-1137/35/10/001

Chinese Physics C> 2011, Vol. 35> Issue(10) : 891-895 DOI: 10.1088/1674-1137/35/10/001

Knockout reaction induced by ⁶He at 61.2 MeV/u

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Abstract：
A knockout reaction induced by ⁶He at 61.2 MeV/u was carried out at the HIRFL-RIBLL radioactive beam line. The α core fragments at forward angles were detected in coincidence with the recoiled protons at large angles. From this coincident measurement the valence nucleon knockout mechanism and the core knockout mechanism can be separated according to the polar angle correlation between the core fragments and the recoiled protons. It is demonstrated that, when reconstructing the resonant state of a weakly bound nucleus, the contamination resulting from the core knockout mechanism should be eliminated in order to obtain the correct structure information.

References

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YE Yan-Lin, JIANG Dong-Xing, HUA Hui, ZHENG Tao, LI Zhi-Huan, GE Yu-Cheng, LI Xiang-Qing, LOU Jian-Ling, CAO Zhong-Xin, SONG Yu-Shou, XIAO Jun, LI Qi-Te, QIAO Rui, YOU Hai-Bo, CHEN Rui-Jiu, XU Hu-Shan, WANG Jian-Song, GUO Zhong-Yan, ZHANG Xue-Ying, LI Chen, HU Zheng-Guo, CHEN Ruo-FU, WANG Meng, XU Zhi-Guo, YUE Ke, TANG Bin, ZANG Yong-Dong, ZHANG Xue-Heng, YAO Xiang-Wu, CHEN Jin-Da, BAI Zhen and Knockout reaction induced by ⁶He at 61.2 MeV/u[J]. Chinese Physics C, 2011, 35(10): 891-895. doi: 10.1088/1674-1137/35/10/001

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Received: 2011-05-23
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

Knockout reaction induced by ⁶He at 61.2 MeV/u

Received Date: 2011-05-23

Accepted Date: 1900-01-01

Available Online: 2011-10-05

Abstract: A knockout reaction induced by ⁶He at 61.2 MeV/u was carried out at the HIRFL-RIBLL radioactive beam line. The α core fragments at forward angles were detected in coincidence with the recoiled protons at large angles. From this coincident measurement the valence nucleon knockout mechanism and the core knockout mechanism can be separated according to the polar angle correlation between the core fragments and the recoiled protons. It is demonstrated that, when reconstructing the resonant state of a weakly bound nucleus, the contamination resulting from the core knockout mechanism should be eliminated in order to obtain the correct structure information.

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Knockout reaction induced by 6He at 61.2 MeV/u

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Knockout reaction induced by 6He at 61.2 MeV/u

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Knockout reaction induced by ⁶He at 61.2 MeV/u

Knockout reaction induced by ⁶He at 61.2 MeV/u