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Concept of a High-resolution Online Mass Separator for the Munich Fission Fragment Accelerator

Thirolf, P. ; Habs, D. ; Kester, O. ; Rudolph, Dirk LU orcid ; Schramm, U. ; vonEgidy, T. ; Faestermann, T. ; Hinderer, G. ; Kienle, P. and Korner, H. J. , et al. (1997) In Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms 126. p.242-245
Abstract
A fission fragment accelerator combined with the Munich high-flux reactor FRM-II is under design for the delivery of intense beams of mass separated very neutron-rich fission fragments with energies at the Coulomb barrier They can be used to produce very heavy neutron-rich nuclei in fusion reactions. The large neutron excess will result in much longer lifetimes of the produced heavy elements, compared to neutron-deficient ones produced in reactions with stable nuclear beams. Thus fast a-chains can no longer be used to identify the heavy reaction products. A new separator will be used consisting of a velocity filter, an ion guide system (IGISOL) and a Penning trap. The velocity filter separates the primary beam and results in a strong... (More)
A fission fragment accelerator combined with the Munich high-flux reactor FRM-II is under design for the delivery of intense beams of mass separated very neutron-rich fission fragments with energies at the Coulomb barrier They can be used to produce very heavy neutron-rich nuclei in fusion reactions. The large neutron excess will result in much longer lifetimes of the produced heavy elements, compared to neutron-deficient ones produced in reactions with stable nuclear beams. Thus fast a-chains can no longer be used to identify the heavy reaction products. A new separator will be used consisting of a velocity filter, an ion guide system (IGISOL) and a Penning trap. The velocity filter separates the primary beam and results in a strong background suppression. The IGISOL system improves the emittance and enriches the 1(+) ions in the beam, which will then be efficiently transferred into a Penning trap. In the Penning trap the ions are bunched, stopped and mass separated with high resolving power (R approximate to 10(5)). (Less)
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publishing date
type
Contribution to journal
publication status
published
subject
in
Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms
volume
126
pages
242 - 245
publisher
Elsevier
external identifiers
  • scopus:0031552312
ISSN
0168-583X
DOI
10.1016/S0168-583X(96)01055-5
language
English
LU publication?
no
additional info
1-4
id
8e0c995f-8b26-447e-8ccd-5e30827d7ec1 (old id 3964761)
alternative location
http://www.sciencedirect.com/science/article/pii/S0168583X96010555
date added to LUP
2016-04-01 16:18:55
date last changed
2022-01-28 18:50:25
@article{8e0c995f-8b26-447e-8ccd-5e30827d7ec1,
  abstract     = {{A fission fragment accelerator combined with the Munich high-flux reactor FRM-II is under design for the delivery of intense beams of mass separated very neutron-rich fission fragments with energies at the Coulomb barrier They can be used to produce very heavy neutron-rich nuclei in fusion reactions. The large neutron excess will result in much longer lifetimes of the produced heavy elements, compared to neutron-deficient ones produced in reactions with stable nuclear beams. Thus fast a-chains can no longer be used to identify the heavy reaction products. A new separator will be used consisting of a velocity filter, an ion guide system (IGISOL) and a Penning trap. The velocity filter separates the primary beam and results in a strong background suppression. The IGISOL system improves the emittance and enriches the 1(+) ions in the beam, which will then be efficiently transferred into a Penning trap. In the Penning trap the ions are bunched, stopped and mass separated with high resolving power (R approximate to 10(5)).}},
  author       = {{Thirolf, P. and Habs, D. and Kester, O. and Rudolph, Dirk and Schramm, U. and vonEgidy, T. and Faestermann, T. and Hinderer, G. and Kienle, P. and Korner, H. J. and Ott, J. and Backe, H.}},
  issn         = {{0168-583X}},
  language     = {{eng}},
  pages        = {{242--245}},
  publisher    = {{Elsevier}},
  series       = {{Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms}},
  title        = {{Concept of a High-resolution Online Mass Separator for the Munich Fission Fragment Accelerator}},
  url          = {{http://dx.doi.org/10.1016/S0168-583X(96)01055-5}},
  doi          = {{10.1016/S0168-583X(96)01055-5}},
  volume       = {{126}},
  year         = {{1997}},
}