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  Direct mass measurements of neutron-rich 86Kr projectile fragments and the persistence of neutron magic number N=32 in Sc isotopes

Xu, X., Wang, M., Zhang, Y.-H., Xu, H.-S., Shuai, P., Tu, X.-L., et al. (2015). Direct mass measurements of neutron-rich 86Kr projectile fragments and the persistence of neutron magic number N=32 in Sc isotopes. Chinese Physics C, 39(10): 104001. doi:10.1088/1674-1137/39/10/104001.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-00BC-6 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-00BD-4
Genre: Journal Article

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 Creators:
Xu, X.1, 2, 3, Author
Wang, M.1, Author
Zhang, Y-H.1, 2, Author
Xu, H.-S.1, Author
Shuai, P.4, Author
Tu, X.-L.1, 5, Author
Litvinov, Y.A.1, 5, Author
Zhou, X.-H.1, Author
Sun, B.-H.6, Author
Yuan, Y.-J.1, Author
Xia, J.-W.1, Author
Yang, J.-C.1, Author
Blaum, Klaus7, Author           
Chen, R.-J.1, Author
Chen, X.-C.1, 2, Author
Fu, C.-Y.1, 2, Author
Ge, Z.1, 2, Author
Hu, Z.-G.1, Author
Huang, W.-J.1, 2, Author
Liu, D.-W.1, 2, Author
Lam, Y.-H.1, AuthorMa, X.-W.1, AuthorMao, R.-S.1, AuthorUesaka, T.8, AuthorXiao, G.-Q.1, AuthorXing, Y.-M.1, 2, AuthorYamaguchi, T.9, AuthorYamaguchi, Y.8, AuthorZeng, Q.4, AuthorYan, X.-L.1, AuthorZhao, H.-W.1, AuthorZhao, T.-C.1, AuthorZhang, W.1, 2, AuthorZhan, W.-L.1, Author more..
Affiliations:
1Key Laboratory of High Precision Nuclear Spectroscopy and Center for Nuclear Matter Science, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China, ou_persistent22              
2University of Chinese Academy of Sciences, Beijing 100049, China, ou_persistent22              
3CSNSM-IN2P3-CNRS, Université de Paris Sud, F-91405 Orsay, France, ou_persistent22              
4Research Center for Hadron Physics, National Laboratory of Heavy Ion Accelerator Facility in Lanzhou and University of Science and Technology of China, Hefei 230026, China, ou_persistent22              
5GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany, ou_persistent22              
6School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China, ou_persistent22              
7Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
8RIKEN Nishina Center, RIKEN, Saitama 351-0198, Japan, ou_persistent22              
9Department of Physics, Saitama University, Saitama 338-8570, Japan, ou_persistent22              

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 MPINP: Präzisionsexperimente - Abteilung Blaum
 Abstract: In this paper, we present direct mass measurements of neutron-rich 86Kr projectile fragments conducted at the HIRFL-CSR facility in Lanzhou by employing the Isochronous Mass Spectrometry (IMS) method. The new mass excesses of 52–54Sc nuclides are determined to be −40492(82), −38928(114), −34654(540) keV, which show a significant increase of binding energy compared to the reported ones in the Atomic Mass Evaluation 2012 (AME12). In particular, 53Sc and 54Sc are more bound by 0.8 MeV and 1.0 MeV, respectively. The behavior of the two neutron separation energy with neutron numbers indicates a strong sub-shell closure at neutron number N=32 in Sc isotopes.

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Language(s): eng - English
 Dates: 2015-10
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1088/1674-1137/39/10/104001
 Degree: -

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Title: Chinese Physics C
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Source Genre: Journal
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Publ. Info: Chinese Physical Society
Pages: - Volume / Issue: 39 (10) Sequence Number: 104001 Start / End Page: - Identifier: -