A study of87Zr by (?,x n) reactions

Arnell, S.E.; Sjöberg, Staffan; Skeppstedt, Ö.; Wallander, E.; Nilsson, A.; Sawa, Z.P.; Finnas, G.

doi:10.1007/bf01408500

Cited by 22 publications

(10 citation statements)

References 20 publications

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“…Similar cascades have already been observed in the neighboring JV = 47 isotones Sr [20,21] and Zr [9]. In the literature [9,14] it is suggested that the low-lying states of these p-ray cascades can be associated with the coupling of a neutron hole (vg9y2)~t o the I = 0+, 2+, and 4+ core excitations of the (Z, 1V + 1) adjacent even-even nuclei. Figure 5 closely placed 6+ and 8z levels, being almost independent of Z, suggests for these states a wave function dominated by neutron configurations.…”

Section: Discussionsupporting

confidence: 72%

“…Further support to our assignment is given by the fact that the decay of this 2270.9 keV level is similar to that of the isomeric 17/2 state of 2.7 ns at 2314 keV in Zr (see Ref. [9]). …”

Section: The Level Schemesupporting

confidence: 72%

“…Since a dipole stretched transition (I~I -1) requires that a positive Aqq be correlated with an also positive A44 coefficient [7,8], such a decay mode is ruled out. Thus we can state that the angular distribution results favor a quadrupole character of both transitions, which feed diferent levels of the same angular momentum [9]. Of course, this assignment is not so conclusive as that derived mainly from angular distribution data.…”

Section: The Level Schemementioning

confidence: 73%

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Level structure ofMo89

et al. 1993

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The level structure of Mo has been studied with the Ni( S,2pn) reaction at 110 MeV beam energy. Mainly two bands of p rays depopulating states of probable spin-parity values ranging up to (27/2) were determined from the excitation function, neutron and p-p coincidences, and p-ray angular distributions. The high-spin states of Mo show a scheme very similar to that of the Zr isotone. The interpretation of these states in terms of the three neutron-hole configuration (vgs~z) and core-excited states is discussed.PACS number(s): 27.50.+e

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Section: Discussionsupporting

confidence: 72%

“…Further support to our assignment is given by the fact that the decay of this 2270.9 keV level is similar to that of the isomeric 17/2 state of 2.7 ns at 2314 keV in Zr (see Ref. [9]). …”

Section: The Level Schemesupporting

confidence: 72%

Section: The Level Schemementioning

confidence: 73%

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Level structure ofMo89

et al. 1993

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“…A few ?-rays were assigned to STy by Arnell et al [8] in the course of an investigation of 87Zr, but no attempt was made to place them in a level scheme. The present study of the SSSr(p, 2n?)…”

Section: Introductionmentioning

confidence: 99%

Gamma-ray spectroscopy of87Y

et al. 1980

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“…This section begins with the states in 8VZr which have been experimentally observed by Arnell et al [30]. They observed 25 levels via the 84Sr(c~, n?)…”

Section: N=47 87zr and 88nbmentioning

confidence: 93%