ITP OpenIR  > SCI期刊论文
Yang, HB; Ma, L; Zhang, ZY; Yang, CL; Gan, ZG; Zhang, MM; Huang, MH; Yu, L; Jiang, J; Tian, YL; Wang, YS; Wang, JG; Liu, Z; Liu, ML; Duan, LM; Zhou, SG; Ren, ZZ; Zhou, XH; Xu, HS; Xiao, GQ
Alpha decay properties of the semi-magic nucleus Np-219
Source PublicationPHYSICS LETTERS B
KeywordSubshell Closure Spectroscopy Z=92

The semi-magic nucleus Np-219 was produced in the fusion reaction Re-187(Ar-36, 4n)Np-219 at the gas-filled recoil separator SHANS (Spectrometer for Heavy Atoms and Nuclear Structure). A fast electronics system based on waveform digitizers was used in the data acquisition and the sampled pulses were processed by digital algorithms. The reaction products were identified using spatial and time correlations between the implants and subsequent alpha decays. According to the observed alpha-decay chain, an energy of E-alpha = 9039(40) keV and a half-life of T-1/2 = 0.15(-0.07)(+0.72) ms were determined for Np-219. The deduced proton binding energy of Np-219 fits well into the systematics, which gives another evidence of that there is no sub-shell closure at Z = 92. The influence of the N = 126 shell closure on the stability of Np isotopes is discussed within the framework of alpha-decay reduced widths. (c) 2017 The Author(s). Published by Elsevier B.V.

Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
Indexed BySCIE
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Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.[Yang, H. B.
2.Ma, L.
3.Zhang, Z. Y.
4.Yang, C. L.
5.Gan, Z. G.
6.Zhang, M. M.
7.Huang, M. H.
8.Yu, L.
9.Jiang, J.
10.Tian, Y. L.
11.Wang, Y. S.
12.Wang, J. G.
13.Liu, Z.
14.Liu, M. L.
15.Duan, L. M.
16.Zhou, X. H.
17.Xu, H. S.
18.Xiao, G. Q.] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
19.[Zhang, M. M.
20.Wang, Y. S.] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
21.[Wang, Y. S.] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Gansu, Peoples R China
22.[Zhou, S. G.] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
23.[Ren, Z. Z.] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
24.[Ren, Z. Z.] Tongji Univ, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China
Recommended Citation
GB/T 7714
Yang, HB,Ma, L,Zhang, ZY,et al. Alpha decay properties of the semi-magic nucleus Np-219[J]. PHYSICS LETTERS B,2018,777(0):212-216.
APA Yang, HB.,Ma, L.,Zhang, ZY.,Yang, CL.,Gan, ZG.,...&Xiao, GQ.(2018).Alpha decay properties of the semi-magic nucleus Np-219.PHYSICS LETTERS B,777(0),212-216.
MLA Yang, HB,et al."Alpha decay properties of the semi-magic nucleus Np-219".PHYSICS LETTERS B 777.0(2018):212-216.
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