Target Techniques for the isolde on-line isotope separator

Ravn, H. L.; Sundell, S.; Westgaard, L.

doi:10.1016/0029-554x(75)90089-0

Cited by 95 publications

(27 citation statements)

References 11 publications

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“…High-activity mass-separated sources of 121C8 were produced at the on-line Isolde separator using a molten lanthanum target [21] bombarded by the 600 MeV proton beam at the CERN Synchrocyclotron. The radioactive products were collected and carried on a mylar tape from the collection point to the counting station using a rapid tape transport system [19].…”

Section: Experimental Techniquesmentioning

confidence: 99%

Non-yrast level structure of121Xe via beta decay of121m+g Cs

Genevey

Gizon

Marguier

et al. 1991

Z. Physik A - Hadrons and Nuclei

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The results of measurements of the gamma-ray and conversion-electron singles and coincidence spectra from the decay of the 122 s leJmCS and the 155 s 12~gCs to levels of ~2~Xe are reported. The M3 multipolarity of the 68.5 keV isomeric transition in 12~Cs has been deduced. Numerous low-lying levels below 1.6 MeV excitation energy are found. A negative-parity level at 355.9 keV is observed for the first time. The results supplement the low lying energy level systematics in odd-A xenons. A comparison is made with the N = 67 barium isotone.

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Section: Experimental Techniquesmentioning

confidence: 99%

Non-yrast level structure of121Xe via beta decay of121m+g Cs

Genevey

Gizon

Marguier

et al. 1991

Z. Physik A - Hadrons and Nuclei

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“…The target thickness was 170 g/cm 2 . The yield data [1,29,32] cover a wide range of masses and half-lives, and the efficiency curve is very smooth. For long half-lives, the efficiency reaches 8%.…”

Section: Group 2bmentioning

confidence: 99%

“…Often composite targets like carbides are used to provide the thermal stability up to high temperatures. Therefore, extraction optimization is another important consideration in the choice of the target material [29,30,31,32,33,34,35].…”

Section: Nuclide Production and Extraction Mechanisms In Isol Targetsmentioning

confidence: 99%

“…This is often achieved by controlled addition of a fluoride gas, because of the tendency of the alkaline earths to form molecular ions of the type MeF + . Then the mass separation is adjusted to select the mass of the molecular ion formed by the desired alkaline-earth isotope [29]. The three heaviest elements of this group are the most volatile and the most efficiently produced [33].…”

Section: Alkaline Earthsmentioning

confidence: 99%

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Erratum to “Systematic comparison of ISOLDE-SC yields with calculated in-target production rates” [Nucl. Instr. and Meth. A 565 (2) (2006) 784–800]

Lukić

Gevaert

Kelić

et al. 2010

Nuclear Instruments and Methods in Physics Research Section A:

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Recently, a series of dedicated inverse-kinematics experiments performed at GSI, Darmstadt, has brought an important progress in our understanding of proton and heavy-ion induced reactions at relativistic energies. The nuclear reaction code ABRABLA that has been developed and benchmarked against the results of these experiments has been used to calculate nuclide production cross sections at different energies and with different targets and beams. These calculations are used to estimate nuclide production rates by protons in thick targets, taking into account the energy loss and the attenuation of the proton beam in the target, as well as the low-energy fission induced by the secondary neutrons. The results are compared to the yields of isotopes of various elements obtained from different targets at CERN-ISOLDE with 600 MeV protons, and the overall extraction efficiencies are deduced. The dependence of these extraction efficiencies on the nuclide half-life is found to follow a simple pattern in many different cases. A simple function is proposed to parameterize this behavior in a way that quantifies the essential properties of the extraction efficiency for the element and the targetion-source system in question.

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“…The daughter Rb is much more readily ionised than Sr and would swamp the gamma-ray spectrum for 76 Sr. Accordingly a fluorination technique [53], where CF 4 is added to the ion source, was used to produce a clean beam of 76 Sr. The F forms a molecule with Sr but not Rb.…”

Section: The Measurement Of Nuclear Shapes In Beta Decay; N ∼ Z Nucleimentioning

confidence: 99%

Beta decay studies with total absorption spectroscopy and theLucreciaspectrometer at ISOLDE

Rubio

Gelletly

Algora

et al. 2017

J. Phys. G: Nucl. Part. Phys.

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Beta decay studies with the total absorption technique B Rubio, W Gelletly, E Nácher et al.Towards detailed knowledge of atomic nuclei -the past, present and future of nuclear structure investigations at GSI J Gerl, M Grska and H J Wollersheim Beta decay studies with total absorption spectroscopy and the Lucrecia spectrometer at ISOLDE Here we present the experimental activities carried out at ISOLDE with the total absorption spectrometer Lucrecia, a large 4π scintillator detector designed to absorb a full gamma cascade following beta decay. This spectrometer is designed to measure β-feeding to excited states without the systematic error called Pandemonium. The set up allows the measurement of decays of very short half life. Experimental results from several campaigns, that focus on the determination of the shapes of β-decaying nuclei by measuring their β decay strength distributions as a function of excitation energy in the daughter nucleus, are presented.

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Target Techniques for the isolde on-line isotope separator

Cited by 95 publications

References 11 publications

Non-yrast level structure of121Xe via beta decay of121m+g Cs

Non-yrast level structure of121Xe via beta decay of121m+g Cs

Erratum to “Systematic comparison of ISOLDE-SC yields with calculated in-target production rates” [Nucl. Instr. and Meth. A 565 (2) (2006) 784–800]

Beta decay studies with total absorption spectroscopy and theLucreciaspectrometer at ISOLDE

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