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  Indirect mass determination for the neutron-deficient nuclides 44V, 48Mn, 52Co and 56Cu

Tu, X.., Litvinov, Y. A., Blaum, K., Mei, B., Sun, B., Sun, Y., et al. (2015). Indirect mass determination for the neutron-deficient nuclides 44V, 48Mn, 52Co and 56Cu. Nuclear Physics A, 945, 89-94. doi:10.1016/j.nuclphysa.2015.09.016.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0028-F021-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0028-F022-C
Genre: Journal Article

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http://www.sciencedirect.com/science/article/pii/S0375947415002237 (Publisher version)
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 Creators:
Tu, X .L.1, 2, 3, Author
Litvinov, Yuri A.1, 2, 3, Author           
Blaum, Klaus3, Author           
Mei, B.2, Author
Sun, B.H.4, Author
Sun, Y.1, 5, Author
Wang, M.1, Author
Xu, H.S.1, Author
Zhang, Y.H.1, Author
Affiliations:
1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, People’s Republic of China, ou_persistent22              
2GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany, ou_persistent22              
3Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
4School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, People’s Republic of China, ou_persistent22              
5Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China, ou_persistent22              

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 MPINP: Präzisionsexperimente - Abteilung Blaum
 Abstract: Mass excess values for 44V, 52Co and 56Cu are derived indirectly using the mirror symmetry and known data from beta-delayed proton spectroscopy. The new mass excess obtained by using the energy conservation for 48Mn is −29303(14) keV, which is an improvement by about an order of magnitude compared to the AME'12 value. Compared to previously known data, the new proton separation energy for 45Cr causes a ∼3.5 times smaller matter flow through the Ca - Sc cycle during the rp-process. Obtained proton separation energies for 52Co and 56Cu are about 500 keV larger than the AME'12 values. If confirmed, this would affect photo disintegration rates of 52Co (γ,p)(γ,p) 51Fe and 56Cu (γ,p)(γ,p) 55Ni reactions during the rp-process in X-ray bursts.

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Language(s): eng - English
 Dates: 2015-10-09
 Publication Status: Published online
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.nuclphysa.2015.09.016
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Title: Nuclear Physics A
  Other : Nucl.Phys.A
Source Genre: Journal
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Publ. Info: Amsterdam : North-Holland
Pages: - Volume / Issue: 945 Sequence Number: - Start / End Page: 89 - 94 Identifier: ISSN: 0375-9474
CoNE: https://pure.mpg.de/cone/journals/resource/111038009544000