Performance of a high repetition pulse rate laser system for in-gas-jet laser ionization studies with the Leuven laser ion source @ LISOL

Ferrer, R.; Sonnenschein, V.; Bastin, B.; Franchoo, S.; Huyse, M.; Kudryavtsev, Yu.; Kron, T.; Lecesne, N.; Moore, I. D.; Osmond, B.; Pauwels, D.; Radulov, D.; Raeder, S.; Rens, L.; Reponen, M.; Roßnagel, Johannes; Savajols, H.; Sonoda, T.; Thomas, J. C.; Bergh, P. Van den; Duppen, P. Van; Wendt, Κ.; Zemlyanoy, S. G.

doi:10.1016/j.nimb.2012.08.023

Cited by 28 publications

(15 citation statements)

References 23 publications

(14 reference statements)

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“…On the other hand, the shorter-lived isotope 192 At might not be yet accessible at ISOL-based facilities and must be studied at recoil separators, possibly followed by "In Gas Laser Ionization and Spectroscopy" (IGLIS) systems [39].…”

Section: Discussionmentioning

confidence: 99%

β-delayed fission of192,194At

et al. 2013

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ReuseItems deposited in White Rose Research Online are protected by copyright, with all rights reserved unless indicated otherwise. They may be downloaded and/or printed for private study, or other acts as permitted by national copyright laws. The publisher or other rights holders may allow further reproduction and re-use of the full text version. This is indicated by the licence information on the White Rose Research Online record for the item. TakedownIf you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing eprints@whiterose.ac.uk including the URL of the record and the reason for the withdrawal request.PHYSICAL REVIEW C 87, 014317 (2013) By using the recoil-fission correlation technique, the exotic process of beta-delayed fission (βDF) was unambiguously identified in the very neutron-deficient nuclei 192,194 At in experiments at the velocity filter SHIP at Gesellschaft für Schwerionenforschung (GSI). The upper limits for the total kinetic energy release in fission of 192,194 Po, being the daughter products of 192,194 At after β + /EC decay, were estimated. The possibility of an unusually high βDF probability for 192 At is discussed.

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Section: Discussionmentioning

confidence: 99%

β-delayed fission of192,194At

et al. 2013

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“…The shorter-lived 186 Bi, however, is most probably not yet accessible at such ISOL systems, mostly due to the long extraction time from the ion source. Instead, as demonstrated by this work, this isotope could be studied at recoil separators, especially if the recently developed technique of In Gas Laser Ionization and Spectroscopy (IGLIS) [39] is further applied in such experiments.…”

Section: Discussionmentioning

confidence: 99%

β-delayed fission of186,188Bi isotopes

et al. 2013

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By using the technique of correlating implanted evaporation residues and their subsequent fission decay, β-delayed fission (βDF) of 186 Bi has been identified for the first time and βDF of 188 Bi has been unambiguously confirmed. The experiments were performed at the velocity filter SHIP (GSI, Darmstadt). The βDF probabilities for both nuclides were qualitatively estimated, and, in particular indications for a large value in the case of 186 Bi are regarded.

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“…Such studies are already performed at other facilities, for example, in Finland [9], Belgium [10][11][12][13], and also using a different approach as that of the hot cavity ion source at CERN [16][17]. The efficiency of such facilities varies from 1%t to several tens percent depending on the half-life or the extracted ion According to the estimation of the ion yields, at target thickness 0.3 mg/cm 2 , ion beam of 0.1 pmA and setup efficiency of 10% we would be able to measure decay properties of 1 new isotope per day.…”

Section: Discussionmentioning

confidence: 99%

“…Such method has been proposed by Van Duppen et al [4] in 1992 and subsequently intensively studied (first at LISOL) and developed [5][6][7][8][9][10][11][12][13]. Known as In-Gas Laser Ionization and Spectroscopy (IGLIS), it is based on stopping of nuclear reaction products in a gas cell and subsequent selective resonance laser ionization [5][6][7][8][9][10][11][12][13].…”

Section: Experimental Stagementioning

confidence: 99%

GALS - setup for production and study of multinucleon transfer reaction products: present status

Zemlyanoy

Zagrebaev

Козулин

et al. 2016

J. Phys.: Conf. Ser.

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Abstact. This is a brief report on the current status of the new GAs cell based Laser ionization Setup (GALS) at Flerov Laboratory for Nuclear Reactions (FLNR) -JINR, Dubna. GALS is planned to exploit available beams from the U-400M cyclotron in low energy multi-nucleon transfer reactions to study exotic neutron-rich nuclei located in the "north-east" region of nuclear map. Products from 4.5 to 9 MeV/nucleon heavy-ion collisions, such as 136 Xe on 208 Pb, are to be captured in a gas cell and selectively laser-ionized in a sextupole (quadrupole) ion guide extraction system. PACS: 25.60.Je, 28.60.+s, 42.62.Fi IntroductionThe heavy neutron rich nuclei in the "north-east" part of the nuclide chart are from extremely importance for nuclear physics investigations, especially for the understanding of astrophysical nucleosynthesis and rprocess. The closed neutron shell N = 126-the so called last "waiting point" for the r-process-is located just in this region (figure 1). Neutron shell N = 126 is a classical shell closures for nuclei along the line of stability. However, as one moves away from the line of stability, abrupt changes in nuclear structure can arise. Especially, appearance of new magic numbers and/or disappearance of traditional ones as well as the onset of deformation are expected, as e.g. already observed in the region of lighter nuclei. Study of the structural properties of nuclei along the neutron shell N = 126 could contribute to the current discussion about the quenching of shell gaps in nuclei with large neutron excess. A creation and launch of this facility will open a new field of research in low-energy heavy-ion physics, and new horizons in the study of unexplored "north-east" area of the nuclear map. It could be helpful also for finding a new way for the production of heavy and superheavy nuclei.

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Performance of a high repetition pulse rate laser system for in-gas-jet laser ionization studies with the Leuven laser ion source @ LISOL

Cited by 28 publications

References 23 publications

β-delayed fission of192,194At

β-delayed fission of192,194At

β-delayed fission of186,188Bi isotopes

GALS - setup for production and study of multinucleon transfer reaction products: present status

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