J. L. Durell

Statistically-driven Experimental Design to Improve Reference-free Quantification of Small Molecules by Liquid Chromatography-Mass Spectrometry

Fanny Chu, Jessica Bade, J. L. Durell, Matthew Turner et autres

This report was prepared as an account of

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Lifetime measurements and nuclear deformation in the A≈100 region

A. Gilbert Smith, J. L. Durell, W. R. Phillips, Waldemar Urban et autres

The EUROGAM-2 array has been used to study $\ensuremath{\gamma}$ rays emitted following the spontaneous fission of a ${}^{248}$Cm source. Analysis of Doppler-broadened lineshapes corresponding to transitions from excited rotational states in neutron-rich Sr, Zr, Mo, Ru, and Pd fission fragments has enabled …

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Near-yrast, medium-spin, excited states of Rb91 , Rb93 , and Rb95

Gary S. Simpson, Waldemar Urban, K. Sieja, J. A. Dare et autres

The medium-spin structure of the nuclei $^{93}\mathrm{Rb}$ and $^{95}\mathrm{Rb}$ is studied following the neutron-induced fission of $^{235}\mathrm{U}$ at the PF1B neutron guide, using the FIFI spectrometer, and at the Lohengrin mass spectrometer of the Institut Laue-Langevin Grenoble. These nuclei, plus $^{91}\mathrm{Rb}$, are …

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Medium-spin structure of Cs145

T. Rząca-Urban, Waldemar Urban, J.A. Pinston, Gary S. Simpson et autres

Excited states in $^{145}\mathrm{Cs}$, populated following the spontaneous fission of $^{248}\mathrm{Cm}$, were studied by means of prompt-$\ensuremath{\gamma}$ spectroscopy, using the EUROGAM2 multidetector array. A new level scheme of $^{145}\mathrm{Cs}$ was proposed. We identified a decoupled band corresponding to $1/2[550]$ proton configuration and …

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Near-yrast, medium-spin, excited states of 91Rb, 93Rb, and 95Rb

Waldemar Urban, K. Sieja, J. A. Dare, Jan Jolie et autres

The medium-spin structure of the nuclei 93 Rb and 95 Rb is studied following the neutron-induced fission of 235 U at the PF1B neutron guide, using the FIFI spectrometer, and at the Lohengrin mass spectrometer of the Institut Laue-Langevin Grenoble. These nuclei, …

(h11/2,g7/2)9− neutron excitation in Sr92,94,96

T. Rząca-Urban, K. Sieja, Waldemar Urban, F. Nowacki et autres

Medium-spin structure of neutron rich nuclei $^{92}\mathrm{Sr}$, $^{94}\mathrm{Sr}$, and $^{96}\mathrm{Sr}$ have been studied in spontaneous fission of $^{248}\mathrm{Cm}$. New spin and parity assignments done in this work differ significantly from those reported in other works. The ${9}^{\ensuremath{-}}$ excitations, involving the $\ensuremath{\nu}({g}_{7/2}{h}_{11/2}){}_{{9}^{\ensuremath{-}}}$ maximum …

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G FACTOR MEASUREMENTS IN NEUTRON-RICH 252 CF FISSION FRAGMENTS, MEASURED USING THE GAMMASPHERE ARRAY

R. Orlandi, A. Gilbert Smith, Annabel Thallon, D. C. Biswas et autres

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New high-spin states of 142 58Ce and 140 56Ba from fusion-fission reactions: Proton excitations in the N = 84 isotones

Ts. Venkova, M. G. Porquet, I. Deloncle, Pavel Petkov et autres

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Near-yrast structure of the La149 nucleus

Waldemar Urban, T. Rza¸ca-Urban, Agnieszka Syntfeld-Kazuch, J. L. Durell et autres

Excited states in $^{149}\mathrm{La}$, populated in the spontaneous fission of $^{248}\mathrm{Cm}$, were studied with the EUROGAM2 array. A new $\ensuremath{\Delta}I=2$ band found in $^{149}\mathrm{La}$ is interpreted as the $\ensuremath{\alpha}=\ensuremath{-}1/2$ branch of the $\ensuremath{\pi}3/{2}^{\ensuremath{-}}$[402] configuration. The bandhead has spin $7/{2}^{\ensuremath{-}}$ because the $3/{2}^{\ensuremath{-}}$ …

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Low-spin structure of 113Ru and 113Rh

J. Kurpeta, Waldemar Urban, Ch. Droste, A. P. Plochocki et autres

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Low-spin structure of Ru-113 and Rh-113

J. Kurpeta, Waldemar Urban, Ch. Droste, A. P. Plochocki et autres

The Ru-113 and Rh-113 nuclei, produced in the spontaneous fission of Cm-248 and in proton-induced fission of U-238; were studied by means of prompt gamma spectroscopy using the EUROGAM 2 array of Anti-Compton spectrometers and the IGISOL mass separator, respectively. For the …

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New excited states in Ge82 : Possible weakening of the N=50 closed shell

T. Rząca-Urban, Waldemar Urban, J. L. Durell, A. Gilbert Smith et autres

Excited states in $^{82}\mathrm{Ge}$, populated in the spontaneous fission of $^{248}\mathrm{Cm}$, have been studied by means of prompt \ensuremath{\gamma} spectroscopy, using the EUROGAM2 multidetector array. The known level at 2287 keV is assigned spin and parity ${4}^{+}$. Two new excited levels in …

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