Testing the predictive power of realistic shell model calculations via lifetime measurement of the 
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 state in 
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Bottoni, S.; Gamba, E. R.; Gregorio, G. De; Gargano, A.; Leoni, S.; Fornal, B.; Brancadori, N.; Ciconali, G.; Crespi, F. C. L.; Cieplicka-Oryńczak, N.; Iskra, Ł. W.; Colombi, G.; Kim, Y. H.; Köster, U.; Michelagnoli, C.; Dunkel, F.; Esmaylzadeh, A.; Gerhard, L.; Jolie, J.; Knafla, L.; Ley, M.; Régis, J.‐M.; Schomaker, K.; Sferrazza, Michele

doi:10.1103/physrevc.107.014322

Cited by 2 publications

(6 citation statements)

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“…This was possible thanks to the very low level of the γ -ray background which can be achieved with this setup, as already stressed in Ref. [21]. On the other hand, for the (7 − ) and (5 − ) states the statistics was not sufficient to firmly measure lifetime values.…”

Section: The Experimentsmentioning

confidence: 91%

“…Their γ decay was measured by one high-energy-resolution HPGe clover detector and four LaBr 3 : Ce fast scintillators, used for lifetime measurements. These were symmetrically mounted around the ionization chamber and arranged in a standard analog fast-timing setup described in [20] and successfully used in [21]. Considering the time of flight of the fission products of 1.7 µs, only γ -ray cascades emitted from long-lived isomeric states can be measured at the focal plane of the LOHENGRIN spectrometer.…”

Section: The Experimentsmentioning

confidence: 99%

“…A E start (LaBr 3 : Ce)-E stop (LaBr 3 : Ce)t cube was built to correlate γ -γ coincident energies (E start -E stop ), measured in the LaBr 3 : Ce detectors, with the corresponding time difference t, as described in Refs. [21][22][23][24][25][26]. By applying two-dimensional gates (E start , E stop ) and (E stop , E start ), being E start and E stop the energies of the γ rays feeding and decaying from the state of interest, two time distributions are obtained, called delayed (D) and antidelayed (AD), respectively.…”

Section: Lifetime Measurementsmentioning

confidence: 99%

“…where the prompt response difference (PRD) correction accounts for time-walk effects of low-energy γ rays [20,22]. This method can be applied to measure lifetimes down to a few ps [21], well below the time resolution of the LaBr 3 : Ce detectors (of the order of 300 ps). On the other hand, when lifetimes are longer than tens of ps, the D and AD time distributions present an exponential-decaying tail and the convolution method can be applied.…”

Section: Lifetime Measurementsmentioning

confidence: 99%

“…In both methods, Compton-and random-background coincident γ rays were accounted for by applying the procedure described in Refs. [28,29] and successfully used in [21,25,26,29,30]. This is aimed at determining the real centroid position of the D and AD time distributions by using Eq.…”

Section: Lifetime Measurementsmentioning

confidence: 99%

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Lifetime measurements in Rb96 via fast-timing techniques: Investigating shape coexistence at A≃100

Gamba,

Bottoni,

Iskra

et al. 2023

Phys. Rev. C

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Lifetime measurements of the (3 − ), (4 − ), and (6 − ) intraband states in the neutron-rich, odd-odd 96 Rb nucleus were performed at the LOHENGRIN spectrometer of Institut Laue-Langevin, using thermal-neutron-induced fission of 235 U and fast-timing techniques with LaBr 3 : Ce scintillator detectors. The nanosecond isomeric nature of the (3 − ) bandhead was established as well as the β 2 = 0.39(3) deformation parameter of the band, pointing to a robust deformation in 96 Rb. Moreover, a hindered B(E 2) value of 3.9 +19 −13 × 10 −2 W.u. was found for the γ decay of the deformed (4 − ) state to the spherical 2 − ground state. A retardation was also found for the (3 − ) → 2 − transition, possibly due to the shape change and giving strong support to a shape coexistence scenario in this nucleus, at the borders of the island of deformation at N = 60. Analogies with the structure of the 98 Y isotone are discussed.

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Section: The Experimentsmentioning

confidence: 91%

Section: The Experimentsmentioning

confidence: 99%