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Digitale Medien

Evidence for deformation in 113-116Cd isotopes (2000)

Buforn, N. ; Astier, A. ; Meyer, J. ; [weitere]

Springer

The European physical journal 7 (2000), S. 347-353

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ISSN: 1434-601X

Schlagwort(e): PACS: 21.60.Ev Collective models – 21.60.Jz Hartree-Fock – 23.20.Lv Gamma transitions and level energies – 25.70.Jj Fusion and fusion-fission reactions – 27.60.+j 90 ≤ A ≤ 149

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: High-spin states in 113-116Cd have been investigated with the fusion-fission reaction 28Si +176Yb at 145 〉 MeV. The experiment has been performed with the Eurogam2 array. New rotational bands based on two quasi-particle states have been observed for even-even cadmium isotopes. A new level scheme based on the 11/2− isomeric state is proposed for 115Cd and the one of 113Cd has been extended to spin (31/2−). The decoupled bands identified in both odd-A nuclei are interpreted as being built upon a low-Ωh11/2 quasi-neutron configuration. Microscopic Hartree-Fock + BCS calculations confirm the prolate deformation in this mass region especially for the odd cadmium isotopes.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/PL00013614

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Digitale Medien

High-spin structures observed in the 101Tc fission fragment (1999)

Hoellinger, F. ; Schulz, N. ; Courtin, S. ; [weitere]

Springer

The European physical journal 4 (1999), S. 319-321

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ISSN: 1434-601X

Schlagwort(e): PACS: 23.20.Lv Gamma transitions and level energies – 25.85.w Fission reactions – 27.60.+j 90 ≤ A ≤ 149

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: High-spin states have been studied in 101Tc produced as a fission fragment in the reaction 176Yb +28Si at 145 MeV. Gamma rays were detected with the EUROGAM2 array. The level scheme of 101Tc has been extended up to 4.2 MeV excitation energy and several band structures are observed. Configurations are assigned to two new bands on the basis of their behaviour and of cranked Hartree-Fock-Bogolyubov calculations.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s100500050237

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Conversion--electron gamma--ray coincidence spectroscopy of superdeformed 135Nd (1998)

Aengenvoort, B. ; Korten, W. ; Hübel, H. ; [weitere]

Springer

The European physical journal 1 (1998), S. 359-364

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ISSN: 1434-601X

Schlagwort(e): PACS:21.10.Hw Spin, parity and isobaric spin – 23.20.Nx Internal conversion and extranuclear effects – 23.20.Js Multipole matrix elements – 27.60.+j 90 ≤ A ≤ 149

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: Three mini-orange conversion–electron spectrometers and four Euroball Ge Cluster detectors have been used for γ–e- coincidence spectroscopy of superdeformed 135Nd. Transitions within the superdeformed band are shown to have the expected E2 multipolarity. The 766.5–keV transition which links the band to a positive-parity state has a conversion coefficient consistent with M1 multipolarity. Consequently, positive parity is deduced for the superdeformed band. No evidence for E0 transitions was found.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s100500050070

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