Two measurements of the Na-22+p resonant scattering via thicktarget inverse-kinematics method
Wang, YB; Jin, SJ; Jing, L; Han, ZY; Bai, XX; Guo, B; Li, YJ; Li, ZH; Lian, G; Su, J; Sun, LJ; Yan, SQ; Zeng, S; Liu, WP; Yamaguchi, H; Kubono, S; Hu, J; Kahl, D; He, JJ; Wang, JS; Tang, XD; Xu, SW; Ma, P; Zhang, NT; Bai, Z; Huang, MR; Jia, BL; Jin, SL; Ma, JB; Ma, SB; Ma, WH; Yang, YY; Zhang, LY; Jung, HS; Moon, JY; Lee, CS; Teranishi, T; Wang, HW; Ishiyama, H; Iwasa, N; Komatsubara, T; Brown, BA; ybwang@ciae.ac.cn
2016
会议名称13TH INTERNATIONAL SYMPOSIUM ON ORIGIN OF MATTER AND EVOLUTION OF GALAXIES (OMEG2015)
会议日期JUN 24-27, 2015
会议地点Beijing, PEOPLES R CHINA
出版者E D P SCIENCES
摘要Na-22 is an important isotope for the study of extinct radioactivity, meanwhile its sufficiently long half life provides the possibility to observe live Na-22 in nearby nova explosions. The Na-22(p,gamma)Mg-23 is one of the key reactions that influence the Na-22 abundance in nova ejecta. To study the proton resonant states in Mg-23 relevant to the astrophysical Na-22(p,gamma)Mg-23 reaction rates, two measurements have been carried out at the CRIB separator of University of Tokyo, and the RIBLL secondary beamline in Lanzhou, respectively. The Na-22 secondary beam was produced via the H-1(Ne-22,Na-22) n charge exchange reaction. Thick-target inverse-kinematics method is applied to obtain the excitation function of Na-22+ p elastic scattering. Extended gas target and solid state polyethylene foil were used in the two measurements, respectively, to map the different excitation energy region of the compound nucleus Mg-23. Several new resonant levels are observed and their contribution to the Na-22(p,gamma)Mg-23 reaction rate is evaluated.
ISSN2100-014X
文章类型会议论文
关键词Ne-e Nuclear Astrophysics Presolar Grains Separator Crib Beam Line Novae Meteorite Origins Search States
DOI10.1051/epjconf/201610904010
收录类别SCI
语种英语
引用统计
文献类型会议论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25928
专题中科院上海应用物理研究所2011-2018年
通讯作者ybwang@ciae.ac.cn
推荐引用方式
GB/T 7714
Wang, YB,Jin, SJ,Jing, L,et al. Two measurements of the Na-22+p resonant scattering via thicktarget inverse-kinematics method[C]:E D P SCIENCES,2016.
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