TASK 4 - Fission Target

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Engineering design and prototyping of the UCx target and ion source module coupled with the high power converter target and remote handling system, design of the target shape for optimum irradiation. A high Z solid converter will also be investigated. top
/ Journal article

Electron beam-plasma ionizing target for the production of neutron-rich nuclides

22/06/2009 -Task : TASK 4
Author(s) :V. Panteleev, A. Barzakh, S. Essabaa et al.

The production of neutron rich Ag, In and Sn isotopes from a UC target of high density has been investigate at the IRIS facility. An electron beam-plasma ion source has been used to ionize the species produced.
Test of high density UC targets development at Gatchina for neutron rich radioactive beam facilities

26/05/2009 -Task : TASK 4
Author(s) :G. Lhersonneau, O. Alyakrinskiy, O. Bajeat et al.

Production of on-line mass separator neutron rich isotopes using fission induced by 1 GeV protons on high density uranium carbide has been investigate and results compared with the low density targets yields.
Studies of uranium carbide targets of a high density

26/05/2009 -Task : TASK 4
Author(s) :V. Panteleev, O. Alyakrinskiy, M. Barbui et al.

Production of Cs and Fr isotopes from UC targets of high density has been investigated at IRIS. The production yields and the release efficiencies of 4.5 g/cm^2 and 91 g/cm^2 targets are compared.
Influence of decay in the target on the measurement of release times and release efficiency

25/05/2009 -Task : TASK 4
Author(s) :G. Lhersonneau, A. Barzakh, V. Rizzi, O. Alyakrinskiy, K. Mezilev, F. Moroz, V. Panteleev, L.B. Tecchio

Experimental determination of release times and release efficiencies of ISOL target devoted to production of neutron rich nuclei.
Influence of radiative filiation on measured release curves

24/03/2007 -Task : TASK 4
Author(s) :G. Lhersonneau, A. Barzakh, V. Rizzi, O. Alyakrinskiy, K. Mezilev, F. Moroz, V. Panteleev, L. Tecchio

Perturbation of measured release curves of radiative nuclei by the decay of precursor nuclei in the target is investigated.
Recent developments and on-line tests of uranium carbide targets for production of nuclides far from stability

01/09/2006 -Task : TASK 4
Author(s) :V.N. Panteleev, O. Alyakrinskiy, A. Andrighetto, A.E. Barzakh, M. Dubois, C. Eleon, S. Essabaa, O. Bajeat, D.V. Fedorov, G. Gaubert, A.M. Ionan, V.S. Ivanov, P. Jardin, A. Lanchais, C. Lau, R. Leroy, G. Lhersonneau, C. Mhamed, K.A. Mezilev, P.L. Molkanov, F.V. Moroz, S.Yu. Orlov, V. Rizzi, M.G. Saint Laurent, L. Stroe, L.B. Tecchio, A.C.C. Villari, Yu.M. Volkov

The capacity of uranium carbide target materials of different structure and density for production of neutron-rich and heavy neutron-deficient nuclides have been investigated. The yields of Cs and Fr produced by a 1 GeV proton beam of the PNPI synchrocyclotron and release properties of different targets have been measured. The comparison of the yields and release efficiencies of Cs and Fr produced from a high density UC target material and from low density UCx prepared by the ISOLDE method at IRIS in the collaboration with PARRNe group from Orsay are presented. The yields from ISOLDE original target are presented for comparison as well.
Absolute branching intensities in the decay of 92Rb to 92Sr

20/02/2006 -Task : TASK 4
Author(s) :G. Lhersonneau et al.

The branching of the 2+ to 0+ transition in 92Sr has been measured to 0.032(4) per 92Rb decay. It confirms an earlier measurement however discarded in nuclear data evaluations since in contradiction with accepted lower logft limits. The conflict could be solved assuming that close to half of the decay intensity, mostly as high-energy ground-state transitions, is missing in th edecay scheme.
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