Breakup Effect of Weakly Bound Projectile on the Barrier distribution around Coulomb Barrier

JIA Huiming(贾会明); LIN Chengjian(林承键); ZHANG Huanqiao(张焕乔); LIU Zuhua(刘祖华); YU Ning(喻宁); YANG Feng(杨峰); XU Xinxing(徐新星); JIA Fei(贾飞); WU Zhendong(吴振东); ZHANG Shitao(张世涛)

doi:10.1088/1009-0630/14/5/10

Plasma Science and Technology > 2012 > 14(5): 390-392. > DOI: 10.1088/1009-0630/14/5/10

JIA Huiming(贾会明), LIN Chengjian(林承键), ZHANG Huanqiao(张焕乔), LIU Zuhua(刘祖华), YU Ning(喻宁), YANG Feng(杨峰), XU Xinxing(徐新星), JIA Fei(贾飞), WU Zhendong(吴振东), ZHANG Shitao(张世涛). Breakup Effect of Weakly Bound Projectile on the Barrier distribution around Coulomb Barrier[J]. Plasma Science and Technology, 2012, 14(5): 390-392. DOI: 10.1088/1009-0630/14/5/10

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Breakup Effect of Weakly Bound Projectile on the Barrier distribution around Coulomb Barrier

China Institute of Atomic Energy, Beijing 102413, China

Funds: supported by National Natural Science Foundation of China (Nos. 10575134, 10675169, and 10735100), and Major State Basic Research Developing Program (No.2007CB815003)

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Received Date: May 16, 2011

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Abstract

Abstract

The excitation function of quasi-elastic (QEL) scattering at a backward angle has been measured for 9Be+208Pb. The barrier distribution was extracted by means of the first derivative of the measured excitation function and calculated with the coupled-channel model. The present work shows that the experimental barrier distribution extracted from QEL scattering is shifted to the low energy side by 1.5 MeV as compared with the theoretical one. This energy discrepancy indicates that breakup is important in the colliding processes of the weakly bound nucleus system.
- quasi-elastic scattering,
- barrier distribution,
- coupled-channel model

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