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Spallation neutron spectrum on a massive lead/paraffin target irradiated with 1 GeV protons (2005)

Adam, J. ; Balabekyan, A. R. ; Barashenkov, V. S. ; [weitere]

Springer

The European physical journal 23 (2005), S. 61-68

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ISSN: 1434-601X

Schlagwort(e): 28.41.Kw Radioactive wastes, waste disposal ; 29.30.Kv X- and γ-ray spectroscopy ; 02.70.Uu Applications of Monte Carlo methods ; 07.05.Fb Design of experiments

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract. The gamma-ray spectra emitted by decaying of residual nuclei produced by spallation neutrons in (n, xn), (n, xnyp), (n, p), (n, γ) reactions with activation threshold detectors, i.e. 209Bi, 197Au, 59Co, 115In, 232Th, were measured in the Laboratory of Nuclear Problems (LNP), JINR, Dubna, Russia. Spallation neutrons were generated by bombarding a 20 cm long cylindrical lead target with 8 cm diameter surrounded by a 6 cm thick layer of paraffin moderator with 1 GeV proton beam from the NUCLOTRON accelerator. Reaction rates and a spallation neutron spectrum were measured and compared with CASCADE code calculations.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1140/epja/i2004-10031-y

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Digitale Medien

Coexisting oblate and strongly triaxial structures in 191Pt (2005)

Kutsarova, T. ; Schück, C. ; Gueorguieva, E. ; [weitere]

Springer

The European physical journal 23 (2005), S. 69-78

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ISSN: 1434-601X

Schlagwort(e): 29.30.Kv X- and γ-ray spectroscopy ; 23.20.Lv γ transitions and level energies ; 21.60.Ev Collective models ; 27.80.+w 190 ⩽ A ⩽ 219

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract. Excited states in 191Pt have been populated using the reaction 186W + 11B at 85MeV beam energy. Gamma-ray coincidences were measured using the EUROGAM-II spectrometer array. The level scheme has been extended considerably. Evidence for favoured structures of highly triaxial shape with γ ∼ -90° coexisting with oblate structures has been obtained by comparison with total Routhian surface and cranked shell model calculations. The presence of proton excitations in both positive- and negative-parity states has been confirmed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1140/epja/i2004-10065-1

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