EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Published online||03 April 2014|
High resolution 148Nd(3He,nγ) two proton stripping reaction and the structure of the 02+ state in 150Sm
1 University of Western Cape, Department of Physics, P/B X17, Bellville, 7535, South Africa
2 Stellenbosch University,Department of Physics, P/B X17, Matieland, 7602, South Africa
3 iThemba LABS,National Research Foundation, PO Box 722, Somerset-West 7129, South Africa
4 University of Johannesburg, Department of Physics, PO Box 524, Auckland Park 2006 South Africa
5 University of Zululand, Department of Physics, P/B X1001, Kwa Dlangezwa 3886, South Africa
6 University of Cape Town, Department of Physics, P/B X3, Rondebosch 7701, South Africa
a Corresponding author: firstname.lastname@example.org
Published online: 3 April 2014
The challenge of achieving high resolution in binary reactions involving an outgoing high energy neutron is solved by detecting the γ-ray decay of populated excited states in an array of escape suppressed HPGe detectors in coincidence with fast neutrons detected in a wall of scintillator detectors 2m down beam of the target. The selectivity of the arrangement is of the order of 1 in 1000. The time-of-flight difference is sufficient to separate fast neutrons from direct reactions from a large background of statistical neutrons from fusion-evaporation reactions. Our interest is in the wavefunction of the 02+ state at 740 keV in the N=88 nucleus 150Sm which, with the 02+ state in 100Ru, are the only two excited states observed in 2β2ν double β-decay.
© Owned by the authors, published by EDP Sciences, 2014
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