Possible exotic structure in light proton-rich nuclei

	Possible exotic structure in light proton-rich nuclei
	Zhang, HY ; Shen, WQ ; Ma, YG ; Cai, XZ ; Fang, DQ ; Zhong, C ; Wei, YB ; Chen, JG ; Zhou, XF ; Ma, GL
	2003-02-28
会议日期	AUG 27-30, 2002
会议地点	SHANGHAI INST NUCL RES, SHANGHAI, PEOPLES R CHINA
卷号	18
期号	2-6
页码	151-161
英文摘要	Radioactive 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.
会议录	2nd Asia/Pacific Conference on Few-Body Problems in Physics
会议录出版者	WORLD SCIENTIFIC PUBL CO PTE LTD
会议录出版地	5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE
语种	英语
WOS研究方向	Astronomy & Astrophysics ; Physics
WOS记录号	WOS:000181505000016
内容类型	会议论文
源URL	[http://119.78.100.186/handle/113462/57344]
专题	近代物理研究所_实验物理中心近代物理研究所_兰州重离子研究装置中国科学院近代物理研究所
作者单位	1.Chinese Acad Sci, Shanghai Inst Nucl Res, Shanghai 201800, Peoples R China 2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 3.Nanjing Univ, Dept Phys, Nanjing 210008, Peoples R China
推荐引用方式 GB/T 7714	Zhang, HY,Shen, WQ,Ma, YG,et al. Possible exotic structure in light proton-rich nuclei[C]. 见:. SHANGHAI INST NUCL RES, SHANGHAI, PEOPLES R CHINA. AUG 27-30, 2002.