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  Recent developments for high-precision mass measurements of the heaviest elements at SHIPTRAP

Ramirez, E. M., Ackermann, D., Blaum, K., Block, M., Droese, C., Düllmann, C., et al. (2013). Recent developments for high-precision mass measurements of the heaviest elements at SHIPTRAP. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 317(Part B), 501-505. doi:10.1016/j.nimb.2013.07.055.

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http://dx.doi.org/10.1016/j.nimb.2013.07.055 (Publisher version)
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 Creators:
Ramirez, E. Minaya1, 2, Author
Ackermann, D.2, Author
Blaum, Klaus3, 4, Author           
Block, M.2, Author
Droese, C.5, Author
Düllmann, Ch.E.1, 2, 6, Author
Eibach, M.4, 6, Author
Eliseev, Sergey3, Author           
Haettner, E.2, 7, Author
Herfurth, F.2, Author
Heßberger, F.P.1, 2, Author
Hofmann, S.2, Author
Marx, G.2, Author
Nesterenko, D.5, Author
Novikov, Yu.N.8, 9, Author
Plaß, W.R.2, 7, Author
Rodríguez, D.10, Author
Scheidenberger, C.2, 7, Author
Schweikhard, L.5, Author
Thirolf, P.G.11, Author
Weber, C.11, Author more..
Affiliations:
1Helmholtz-Institut Mainz, 55099 Mainz, Germany, ou_persistent22              
2GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany, ou_persistent22              
3Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
4Ruprecht-Karls-Universität, 69120 Heidelberg, Germany, ou_persistent22              
5Ernst-Moritz-Arndt-Universität, 17487 Greifswald, Germany, ou_persistent22              
6Johannes Gutenberg-Universität, 55099 Mainz, Germany, ou_persistent22              
7Justus-Liebig-Universität, 35392 Gießen, Germany, ou_persistent22              
8Petersburg Nuclear Physics Institute, Gatchina, 188300 St. Petersburg, Russia, ou_persistent22              
9Department of Physics, St. Petersburg State University, 198504 St. Petersburg, Russia, ou_persistent22              
10Universidad de Granada, 18071 Granada, Spain, ou_persistent22              
11Ludwig-Maximilians-Universität München, 85748 Garching, Germany, ou_persistent22              

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 Abstract: Atomic nuclei far from stability continue to challenge our understanding. For example, theoretical models have predicted an “island of stability” in the region of the superheavy elements due to the closure of spherical proton and neutron shells. Depending on the model, these are expected at Z = 114, 120 or even 126 and N = 172 or 184. Valuable information on the road to the island of stability is derived from high-precision mass measurements, which give direct access to binding energies of short-lived trans-uranium nuclei. Recently, direct mass measurements at SHIPTRAP have been extended to nobelium and lawrencium isotopes around the deformed shell gap N = 152. In order to further extend mass measurements to the region of superheavy elements, new technical developments are required to increase the performance of our setup. The sensitivity will increase through the implementation of a new detection method, where observation of one single ion is sufficient. Together with the use of a more efficient gas stopping cell, this will us allow to significantly enhance the overall efficiency of SHIPTRAP.

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Language(s): eng - English
 Dates: 2013-12-15
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.nimb.2013.07.055
 Degree: -

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Title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Source Genre: Journal
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Publ. Info: Amsterdam : North-Holland
Pages: - Volume / Issue: 317 (Part B) Sequence Number: - Start / End Page: 501 - 505 Identifier: ISSN: 0168-583X
CoNE: https://pure.mpg.de/cone/journals/resource/954925484704