Quadrupole interaction of120Sb in metallic tin

Ionescu‐Bujor, M.; Iordăchescu, A.; Ivanov, E. A.; Plostinaru, D.; Vajda, Štefan

doi:10.1007/bf01021506

Cited by 6 publications

(3 citation statements)

References 10 publications

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“…An interesting feature of the 8-isomeric state in ~a2In is its extremely large cross-section compared to statistical predictions, which has been observed in the (p, n) reaction by 7-ray spectroscopy [17] and isomeric cross-section ratio [22] studies. A similar behaviour has been previously revealed in 114,116in nuclei by isomeric cross-section ratio measurements for thermal neutron activation [23,24] and (p, n) reaction [25].…”

Section: Discussionmentioning

confidence: 94%

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Reinvestigation of the decay scheme of the short-lived isomeric states in112In

Ionescu‐Bujor¹,

Iordăchescu²,

Ivanov³

et al. 1990

Z. Physik A - Atomic Nuclei

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The two short-lived isomeric states in 112In have been reinvestigated by means of the 112Cd(d, 2n) and l~ n) reactions. Measurements of delayed X-and 7-ray, lifetime and TDPAD spectra have been performed. A 6.32(3) keV 7-ray has been identified in the isomeric decay and an M1 multipolarity has been assigned to it on the basis of the measured internal conversion coefficients: c~L = 196 (39) and 0~to t : 231 (35). The E 1 + M 2 (6 = +0.24 (4) After the completion of this work, data concerning the structure of ~12In nucleus [8], investigated by inbeam 7-ray and conversion electron spectroscopy became available. The results of these measurements are in agreement with the present results, where overlap occurs. Experimental procedure and resultsThe experiments have been performed at the U-120 cyclotron in Bucharest using pulsed beams (pulse width 5 ns, repetition period 35 gs) of 20 MeV e-particles and 13.5 MeV deuterons.

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Section: Discussionmentioning

confidence: 94%

“…5. The solid lines are least-squares fits to the appropriate theoretical R2(t) with the frequencies co~, the coefficients b(~ ) and b (22)' and the phase ~o as free parameters. The isomeric state g-factors determined from the present measurements, gt = +0.390(3) and g2= +0.…”

Section: Y(t H + 135 ~ Y(t H -135 ~ R2(t)= Y(t H + 135~ Y(t Hmentioning

confidence: 99%

Reinvestigation of the decay scheme of the short-lived isomeric states in112In

Ionescu‐Bujor¹,

Iordăchescu²,

Ivanov³

et al. 1990

Z. Physik A - Atomic Nuclei

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“…The combined magnetic and electric quadrupole interaction has been investigated simultaneously for both isomers in laSSb using as target a polycrystalline metallic Sn foil placed in an external magnetic field. The experiment was performed at room temperature taking advantage of informations from previous investigation of the SbS_~n system, in which an unique quadrupole frequency due to the interaction of Sb nuclei with the axially symmetric electric field gradient (EFG) of Sn lattice was observed [14]. As seen in Fig.…”

Section: R(t) = Cos 2(0 --Col T)mentioning

confidence: 99%

Electromagnetic moment investigation of two short-lived isomeric states in118Sb

Dima¹,

Dūma²,

Ionescu‐Bujor³

et al. 1985

Z Physik A

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Two short-lived isomeric states in llSSb have been investigated by the 11SSn(p,n), 11aSn(d, 2n) and a~SIn(~, n) reactions. The TDPAD method on solid and liquid metallic targets was used to measure the electromagnetic moments of these states Pure [zc2ds/2|and [rclg9/~ | configurations have been established for the two isomeric states. An experimental evidence concerning the participation of the lg9/~ proton shell-model intruder excitation into the positive parity lowlying level structure of the odd-odd ~lsSb nucleus was obtained.

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