CAS OpenIR  > 中科院上海原子核所2003年前
Possible exotic structure in light proton-rich nuclei
Zhang, HY; Shen, WQ(沈文庆); Ma, YG(马余刚); Cai, XZ(蔡翔舟); Fang, DQ(方德清); Zhong, C(钟晨); Wei, YB; Chen, JG; Zhou, XF; Ma, GL(马国亮); Wang, K; Ren, ZZ; Zhan, WL; Guo, ZY; Xiao, GQ; Xu, HS; Wang, JS; Sun, ZY; Li, JX; Wang, M; Chen, ZQ; Xiao, ZG; Li, WF; Li, JF; Hu, ZG; Bai, J; Chen, LX
Conference Name2nd Asia/Pacific Conference on Few-Body Problems in Physics
Conference DateAUG 27-30, 2002
AbstractRadioactive ion beams were produced through the projectile fragmentation induced by 69MeV/nucleon Ar-36 primary beam on a Be-9 target. Measurements of reaction cross section (sigma(R)) for some proton-rich nuclei on carbon target at intermediate energies around 30MeV/nucleon have been performed on RIBLL of HIRFL by transmission method and transmission plus transportation method. The experimental sigma(R) values for Al-23 and P-27 axe abnormally large compared with their neighboring nuclei and that of F-17 has an enhancement compared with the neighboring isotopes. It suggests anomalously large matter root-mean-square radii and proton halo structure in Al-23 and 27P. The experimental sigma(R) values and momentum distribution of fragmentation reaction product for Cl-31, Cl-32, Cl-33, S-28, S-29 were performed also on RIBLL by transmission and transportation method. These data are in analyzing. The calculation of relativistic density-dependent Hartree shows that the nuclei Al-23, (27)p, Cl-31 may have proton-halo structure and 17F, Cl-32 may have proton-skin structure. New experiment on the search for new nuclides P-25 and S-26 in proton drip line is also described. The significance of these measurements and possible proton halo and skin for light proton-rich nuclei has been discussed.
Indexed BySCI
Funding Project应物所课题组
Document Type会议论文
Recommended Citation
GB/T 7714
Zhang, HY,Shen, WQ,Ma, YG,et al. Possible exotic structure in light proton-rich nuclei[C],2003:151.
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