Nuclear data sheets for A = 96

Mueller, H. W.

doi:10.1016/0090-3752(82)80006-9

Cited by 37 publications

(2 citation statements)

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“…and of fi=0.40 (1). When compared to 98Sr6o [5] and 99Sr61 [6], these values imply that there is no decrease in deformation for 1~176 as indicated from the results of [4], but rather a saturation.…”

Section: Discussionmentioning

confidence: 61%

“…While 96Sr58 has the character of an anharmonic vibrator with the 2~-level at 815keV [1], its odd-neutron neighbour 97Sr59 shows shape coexistence with a spherical ground-state and a deformed band head at 585 keV [2], whereas the next heavier even-even isotopes 9SSr6o and ~~176 exhibit ground-state rotational bands [3,4]. From the systematics of the 2i ~ energies of 145 keV and 129 keV, respectively, together with their lifetimes resulting in quadrupole deformation parameters /~ of 0.32 [3,4] and 0.35 [4], the generally observed increase of deformation towards neutron midshell seemed to be verified also for the Sr isotopes.…”

Section: Introductionmentioning

confidence: 99%

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Saturation of deformation atN=60 in the Sr isotopes

Lhersonneau

Gabelmann

Kaffrell

et al. 1990

Z. Physik A - Atomic Nuclei

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From the halflife of tl/2=3.91(16)ns for the 2~ state in l~176 a deformation parameter of fl=0.40(1) has been derived. Within the given uncertainties, this value is equal to the recently determined/~-parameters for 98Sr and 99Sr, indicating that in the Sr isotopes saturation of deformation is reached immediately at its onset well before neutron midshell. This behaviour is refected by the "twin" character of 98Sr and l~176 with identical features of their unperturbed ground-state rotational bands. These observations are discussed in terms of strong two-nucleon interactions.

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