ITP OpenIR  > SCI期刊论文
Zhang, ZY; Gan, ZG; Yang, HB; Ma, L; Huang, MH; Yang, CL; Zhang, MM; Tian, YL; Wang, YS; Sun, MD; Lu, HY; Zhang, WQ; Zhou, HB; Wang, X; Wu, CG; Duan, LM; Huang, WX; Liu, Z; Ren, ZZ; Zhou, SG; Zhou, XH; Xu, HS; Tsyganov, YS; Voinov, AA; Polyakov, AN
New Isotope Np-220: Probing the Robustness of the N=126 Shell Closure in Neptunium
Source PublicationPHYSICAL REVIEW LETTERS
Language英语
KeywordDECAY PROPERTIES NUCLEAR SEPARATOR STATE
AbstractA new short-lived neutron-deficient isotope Np-220 was synthesized in the fusion-evaporation reaction Re-185(Ar-40, 5n)Np-220 at the gas-filled recoil separator SHANS. Based on the measurement of the correlated alpha-decay chains, the decay properties of Np-220 with E-alpha = 10040(18) keV and T-1/2 = 25(-7)(+14 )mu s were determined, which are in good agreement with theoretical predictions. From the new experimental results coupled with the recently reported alpha-decay data of Np-219,Np-223, the alpha-decay systematics for Np isotopes around N = 126 was established, which allows us for the first time to test the robustness of the N = 126 shell closure in Z = 93 Np isotopes. The results also indicate that, in the region of nuclei with Z >= 83, the proton drip line has been reached for all odd-Z isotopes up to Np.
2019
ISSN0031-9007
Volume122Issue:19Pages:192503
Subject AreaPhysics
MOST Discipline CataloguePhysics, Multidisciplinary
DOI10.1103/PhysRevLett.122.192503
Indexed BySCIE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23431
CollectionSCI期刊论文
Affiliation1.[Zhang, Z. Y.
2.Gan, Z. G.
3.Yang, H. B.
4.Ma, L.
5.Huang, M. H.
6.Yang, C. L.
7.Zhang, M. M.
8.Tian, Y. L.
9.Wang, Y. S.
10.Sun, M. D.
11.Lu, H. Y.
12.Zhang, W. Q.
13.Duan, L. M.
14.Huang, W. X.
15.Liu, Z.
16.Zhou, X. H.
17.Xu, H. S.] Chinese Acad Sci, Inst Modern Phys, CAS Key Lab High Precis Nucl Spect, Lanzhou 730000, Peoples R China
18.Xu, H. S.] Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China
19.[Wang, Y. S.
20.Sun, M. D.] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China
21.[Zhou, H. B.] Guangxi Normal Univ, Guangxi Key Lab Nucl Phys & Technol, Guilin 541004, Peoples R China
22.[Wang, X.
23.Wu, C. G.] Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
24.[Ren, Z. Z.] Tongji Univ, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China
25.[Zhou, S. G.] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
26.[Zhou, S. G.] Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China
27.[Tsyganov, Yu. S.
28.Voinov, A. A.
29.Polyakov, A. N.] Joint Inst Nucl Res, RU-141980 Dubna, Russia
30.[Sun, M. D.] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Zhang, ZY,Gan, ZG,Yang, HB,et al. New Isotope Np-220: Probing the Robustness of the N=126 Shell Closure in Neptunium[J]. PHYSICAL REVIEW LETTERS,2019,122(19):192503.
APA Zhang, ZY.,Gan, ZG.,Yang, HB.,Ma, L.,Huang, MH.,...&Polyakov, AN.(2019).New Isotope Np-220: Probing the Robustness of the N=126 Shell Closure in Neptunium.PHYSICAL REVIEW LETTERS,122(19),192503.
MLA Zhang, ZY,et al."New Isotope Np-220: Probing the Robustness of the N=126 Shell Closure in Neptunium".PHYSICAL REVIEW LETTERS 122.19(2019):192503.
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