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Digitale Medien

Quadrupole moments of superdeformed bands in 193Tl (1999)

Krücken, R. ; Wang, Z. ; Asztalos, S.J. ; [weitere]

Springer

The European physical journal 5 (1999), S. 367-370

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ISSN: 1434-601X

Schlagwort(e): PACS:21.10.Re Collective levels – 21.10.Ky Electromagnetic moments – 27.80.+w 190 ≤ A ≤ 219

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: Lifetimes of states in the two strongest superdeformed (SD) bands in 193Tl were measured using the Doppler-shift attenuation method. The reaction 176Yb(23Na,6n)193Tl at a beam energy of 129 MeV was used and γ-rays were detected by the Gammasphere array. Quadrupole moments of 18.3(10) eb and 17.4(10) eb were extracted for SD bands 1 and 2, respectively, using the fractional Doppler-shifts of the SD transitions. The previously reported linking transitions of these SD bands to normal deformed near yrast levels could not be confirmed. No other candidates for linking transitions could be established.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s100500050298

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Digitale Medien

High-K quasiparticle structures in 159Er and 160Er (1998)

Simpson, J. ; Riley, M.A. ; Laird, R.W. ; [weitere]

Springer

The European physical journal 1 (1998), S. 267-274

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ISSN: 1434-601X

Schlagwort(e): PACS:23.20.Lv Gamma transitions and level energies – 27.70.+q 150 ≤ A ≤ 189

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: A series of new strongly coupled high-K, multi-quasiparticle structures have been observed in the light erbium transitional nuclei, 159Er and 160Er. The interpretation of these bands is discussed within the framework of the cranked shell model. These sequences, when taken together with the existing quasiparticle excitations, form a near complete set of low-lying, multi-quasiparticle structures on which a coherent series of aligned angular momentum, band crossing and blocking arguments can be based. The measured B(M1)/B(E2) ratios are compared with geometrical calculations to test the proposed configuration assignments.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s100500050061

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