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Measurement of reaction cross section for proton-rich nuclei (A < 30) at intermediate energies
Zhang, HY; Shen, WQ(沈文庆); Ren, ZZ; Ma, YG(马余刚); Jiang, WZ(蒋维洲); Zhu, ZY(朱志远); Cai, XZ(蔡翔舟); Fang, DQ(方德清); Zhong, C(钟晨); Yu, LP(余礼平); Wei, YB; Zhan, WL; Guo, ZY; Xiao, GQ; Wang, JS; Wang, JC; Wang, QJ; Li, JX; Wang, M; Chen, ZQ
2002
Source PublicationNUCLEAR PHYSICS A
ISSN0375-9474
Volume707Issue:40972Pages:303
AbstractRadioactive ion beams were produced through the projectile fragmentation induced by 69 MeV/nucleon Ar-36 primary beam on a Be-9\ target. Measurements of reaction cross sections (sigma(R)'s) for 44 nuclei with A < 30 (mostly proton-rich), on carbon were performed on RIBLL (Radioactive Ion Beam Line in Lanzhou) of HIRFL (Heavy Ion Research Facility in Lanzhou) at intermediate energies around 30 MeV/nucleon by a transmission method. The experimental sigma(R) values for Al-23 and P-27 are abnormally large compared with their neighboring nuclei. Together with the previous experimental facts such as the binding energy and ground state data, it suggests anomalously large matter root-mean-square radii and proton halo structure in Al-23 and in P-27. There is an enhancement for the sigma(R) of F-17 + C-12 compared with the neighboring isotopes. Considering that the ground state of F-17 is 1d(5/2), this can indicate that there is a proton skin in F-17. The calculation of relativistic density-dependent Hartree model (RDDH) shows that the nuclei Al-23 and P-27 may have proton-halo structure and F-17 may have proton-skin structure. The significance of these measurements is discussed. (C) 2002 Elsevier Science B.V. All rights reserved.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000177698100001
Citation statistics
Cited Times:82[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/10051
Collection中科院上海原子核所2003年前
Recommended Citation
GB/T 7714
Zhang, HY,Shen, WQ,Ren, ZZ,et al. Measurement of reaction cross section for proton-rich nuclei (A < 30) at intermediate energies[J]. NUCLEAR PHYSICS A,2002,707(40972):303.
APA Zhang, HY.,Shen, WQ.,Ren, ZZ.,Ma, YG.,Jiang, WZ.,...&Chen, ZQ.(2002).Measurement of reaction cross section for proton-rich nuclei (A < 30) at intermediate energies.NUCLEAR PHYSICS A,707(40972),303.
MLA Zhang, HY,et al."Measurement of reaction cross section for proton-rich nuclei (A < 30) at intermediate energies".NUCLEAR PHYSICS A 707.40972(2002):303.
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