J. F. Smith
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View article: Spectroscopic study of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Mo</mml:mi><mml:mprescripts/><mml:none/><mml:mn>97</mml:mn></mml:mmultiscripts><mml:mo>,</mml:mo><mml:mo> </mml:mo><mml:mmultiscripts><mml:mi>Mo</mml:mi><mml:mprescripts/><mml:none/><mml:mn>99</mml:mn></mml:mmultiscripts></mml:math>, and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Mo</mml:mi><mml:mprescripts/><mml:none/><mml:mn>101</mml:mn></mml:mmultiscripts></mml:math>
Spectroscopic study of , and Open
Excited states of the molybdenum isotopes Mo 4297,99,101 have been populated in two experiments which used fusion-fission and binary grazing reactions to populate yrast states of the nuclei of interest. In the first experime…
View article: Decay of a microsecond seniority 3 isomeric state in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Hf</mml:mi><mml:mprescripts/><mml:none/><mml:mn>155</mml:mn></mml:mmultiscripts></mml:math>
Decay of a microsecond seniority 3 isomeric state in Open
Excited states in the neutron-deficient nuclide Hf 155 have been investigated in experiments performed at the Accelerator Laboratory of the University of Jyväskylä. The Hf 155 nuclei were pro…
View article: Evolution of the nuclear spin-orbit splitting explored via the 32Si(d,p)33Si reaction using SOLARIS
Evolution of the nuclear spin-orbit splitting explored via the 32Si(d,p)33Si reaction using SOLARIS Open
View article: Evolution of the nuclear spin-orbit splitting explored via the $^{32}$Si($d$,$p$)$^{33}$Si reaction using SOLARIS
Evolution of the nuclear spin-orbit splitting explored via the $^{32}$Si($d$,$p$)$^{33}$Si reaction using SOLARIS Open
The spin-orbit splitting between neutron 1$p$ orbitals at $^{33}$Si has been deduced using the single-neutron-adding ($d$,$p$) reaction in inverse kinematics with a beam of $^{32}$Si, a long-lived radioisotope. Reaction products were analy…
View article: Sequential fission and the influence of <sup>208</sup>Pb closed shells on the dynamics of superheavy element synthesis reactions
Sequential fission and the influence of <sup>208</sup>Pb closed shells on the dynamics of superheavy element synthesis reactions Open
Measured binary quasifission mass spectra in reactions with actinide nuclides show a large peak in yield near the doubly-magic 208 Pb, generally attributed to enhanced binding energy causing a valley in the potential energy surface, which …
View article: Decay spectroscopy at the two-proton drip line: Radioactivity of the new nuclides 160Os and 156W
Decay spectroscopy at the two-proton drip line: Radioactivity of the new nuclides 160Os and 156W Open
View article: Evolution of nuclear structure in the neutron-rich <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Nb</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>96</mml:mn><mml:mo>,</mml:mo><mml:mn>97</mml:mn><mml:mo>,</mml:mo><mml:mn>99</mml:mn></mml:mrow></mml:mmultiscripts></mml:math> isotopes: Evidence for shape coexistence in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>N</mml:mi><mml:mo>=</mml:mo><mml:mn>58</mml:mn><mml:mspace width="4pt"/><mml:mmultiscripts><mml:mi>Nb</mml:mi><mml:mprescripts/><mml:none/><mml:mn>99</mml:mn></mml:mmultiscripts></mml:mrow></mml:math>
Evolution of nuclear structure in the neutron-rich isotopes: Evidence for shape coexistence in Open
Excited states of the neutron-rich niobium isotopes Nb96,97,98,4196,97,98,99 have been populated in two experiments which used fusion-fission and multinucleon binary grazing reactions to populate high-spin yrast states. In the multinucleon…
View article: Strong evidence for 9N and the limits of existence of atomic nuclei
Strong evidence for 9N and the limits of existence of atomic nuclei Open
The boundaries of the Chart of Nuclides contain exotic isotopes that possess extreme proton-toneutron asymmetries. Here we report on strong evidence of 9N, one of the most exotic proton-rich isotopes where more than one half of its constit…
View article: Photo-response of the $$N=Z$$ nucleus $$^{24}$$Mg
Photo-response of the $$N=Z$$ nucleus $$^{24}$$Mg Open
View article: Systematic Design of Phonon-Engineered Superconductors: Optimizing Electron Pairing for High-Temperature Superconductivity
Systematic Design of Phonon-Engineered Superconductors: Optimizing Electron Pairing for High-Temperature Superconductivity Open
High-temperature superconductivity (HTS), occurring above 77 K, promises significant advancements in energy-efficient technologies. Despite extensive research, a comprehensive understanding of HTS remains elusive, and discovering new mater…
View article: Pb-free Sn-Ag-Cu ternary eutectic solder
Pb-free Sn-Ag-Cu ternary eutectic solder Open
A Pb-free solder includes a ternary eutectic composition consisting essentially of about 93.6 weight % Sn-about 4.7 weight % Ag-about 1.7 weight % Cu having a eutectic melting temperature of about 217.degree. C. and variants of the ternary…
View article: Semi-automatic for ultrasonic measurement of texture
Semi-automatic for ultrasonic measurement of texture Open
A method for measuring texture of metal plates or sheets using non-destructive ultrasonic investigation includes measuring the velocity of ultrasonic energy waves in lower order plate modes in one or more directions, and measuring phase ve…
View article: Band Termination Spectroscopy in Er-157
Band Termination Spectroscopy in Er-157 Open
The level scheme of 157Er has been extended from a spin region where the nucleus behaves as a prolate rotor to a region where the spin is produced by the alignment of all or most of the available valence nucleons along the symmetry axis of…
View article: Sequential fission and the influence of 208Pb closed shells on the dynamics of superheavy element synthesis reactions
Sequential fission and the influence of 208Pb closed shells on the dynamics of superheavy element synthesis reactions Open
Measured binary quasifission mass spectra in reactions with actinide nuclides show a large peak in yield near the doubly-magic 208Pb. This has generally been attributed to the enhanced binding energy of 208Pb causing a valley in the potent…
View article: Lifetime measurements of states of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi mathvariant="normal">S</mml:mi><mml:mprescripts/><mml:none/><mml:mn>35</mml:mn></mml:mmultiscripts></mml:math>, <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi mathvariant="normal">S</mml:mi><mml:mprescripts/><mml:none/><mml:mn>36</mml:mn></mml:mmultiscripts></mml:math>, <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi mathvariant="normal">S</mml:mi><mml:mprescripts/><mml:none/><mml:mn>37</mml:mn></mml:mmultiscripts></mml:math>, and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi mathvariant="normal">S</mml:mi><mml:mprescripts/><mml:none/><mml:mn>38</mml:mn></mml:mmultiscripts></mml:math> using the AGATA <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>γ</mml:mi></mml:math>-ray tracking spectrometer
Lifetime measurements of states of , , , and using the AGATA -ray tracking spectrometer Open
Lifetimes or lifetime limits of a small number of excited states of the sulfur isotopes with mass numbers A=35, 36, 37, and 38 have been measured using the differential recoil-distance method. The isotopes of sulfur were populated in binar…
View article: Single-particle states and parity doublets in odd-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>Z</mml:mi></mml:math> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ac</mml:mi><mml:mprescripts/><mml:none/><mml:mn>221</mml:mn></mml:mmultiscripts></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Pa</mml:mi><mml:mprescripts/><mml:none/><mml:mn>225</mml:mn></mml:mmultiscripts></mml:math> from <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>α</mml:mi></mml:math>-decay spectroscopy
Single-particle states and parity doublets in odd- and from -decay spectroscopy Open
Low-lying states in the odd-Z isotopes Ac13289221 and Pa13491225 have been studied using α-particle and αγ-coincidence spectroscopy in the Pa225→Ac221→Fr217 decay chain. Ground-state spin and parity assignments of Iπ = 5/2- are proposed fo…
View article: Coulomb excitation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Rn</mml:mi><mml:mprescripts/><mml:none/><mml:mn>222</mml:mn></mml:mmultiscripts></mml:math>
Coulomb excitation of Open
The nature of quadrupole and octupole collectivity in 222Rn was investigated by determining the electricquadrupole (E2) and octupole (E3) matrix elements using subbarrier, multistep Coulomb excitation. The radioactive 222Rn beam, accelerat…
View article: Deep Learning Models for Cybersecurity: A Comparative Analysis of CNN and RNN Architectures
Deep Learning Models for Cybersecurity: A Comparative Analysis of CNN and RNN Architectures Open
Cybersecurity has increasingly turned to deep learning models to address the growing complexity of cyber threats. This paper provides a comparative analysis of Convolutional Neural Networks (CNN) and Recurrent Neural Networks (RNN) in dete…
View article: Identification of excited states in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Te</mml:mi><mml:mn>55</mml:mn><mml:none/><mml:mprescripts/><mml:mn>52</mml:mn><mml:mn>107</mml:mn></mml:mmultiscripts></mml:math>
Identification of excited states in Open
Excited states in the extremely neutron-deficient nucleus 107Te have been identified from two separate experiments using the recoil-decay tagging technique. Two connected structures were observed on the basis of γγ-coincidence relations an…
View article: Sensitive search for near-symmetric and super-asymmetric fusion-fission of the superheavy element Flerovium (Z=114)
Sensitive search for near-symmetric and super-asymmetric fusion-fission of the superheavy element Flerovium (Z=114) Open
View article: Configuration mixing in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Mg</mml:mi><mml:mprescripts/><mml:none/><mml:mn>28</mml:mn></mml:mmultiscripts></mml:math> and the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mmultiscripts><mml:mi>Mg</mml:mi><mml:mprescripts/><mml:none/><mml:mn>26</mml:mn></mml:mmultiscripts><mml:mo>(</mml:mo><mml:mi>t</mml:mi><mml:mo>,</mml:mo><mml:mi>p</mml:mi><mml:mo>)</mml:mo><mml:mmultiscripts><mml:mi>Mg</mml:mi><mml:mprescripts/><mml:none/><mml:mn>28</mml:mn></mml:mmultiscripts></mml:mrow></mml:math> reaction
Configuration mixing in and the reaction Open
We have studied the Mg-26(t, p) (28)mg reaction. The nucleus Mg-28 lies between Mg-24 and Mg-32, the latter of which is central to the "island of inversion" characterized by low-lying neutron fp-shell configurations. The present results sh…
View article: Lifetime measurements of yrast states in $$^{\mathbf {178}}$$Pt using the charge plunger method with a recoil separator
Lifetime measurements of yrast states in $$^{\mathbf {178}}$$Pt using the charge plunger method with a recoil separator Open
View article: Consistency of nucleon-transfer sum rules in well-deformed nuclei
Consistency of nucleon-transfer sum rules in well-deformed nuclei Open
Here, nucleon-transfer sum rules have been assessed via a consistent reanalysis of cross-section data from neutron-adding (d, p) and -removing (d, t) reactions on well-deformed isotopes of Gd, Dy, Er, Yb, and W, with 92 ≤ N ≤ 108 , studied…
View article: Experimental study of lifetimes of excited states in the K<sup>π</sup> = 0<sup>−</sup> octupole band and γ-vibrational band in <sup>228</sup>Th
Experimental study of lifetimes of excited states in the K<sup>π</sup> = 0<sup>−</sup> octupole band and γ-vibrational band in <sup>228</sup>Th Open
Lifetimes of excited states in the K π = 0 − octupole band and γ -vibrational of 228 Th have been measured using the fast timing setup at the University of the West of Scotland (UWS). The setup consists of two cerium doped LaBr 3 fast scin…
View article: Excited states in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ra</mml:mi><mml:mprescripts/><mml:none/><mml:mn>217</mml:mn></mml:mmultiscripts></mml:math> populated in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>α</mml:mi></mml:math> decay of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Th</mml:mi><mml:mprescripts/><mml:none/><mml:mn>221</mml:mn></mml:mmultiscripts></mml:math>
Excited states in populated in the decay of Open
Fine structure in the +¦ decay of Th90221, populating excited states in Ra88217, was studied using +¦+¦-coincidence spectroscopy. Two +¦-decay branches from Th221 have been newly observed, with E+¦(keV)[b+¦(%)]=7951(8)[0.14(3)] and 8247(3)…
View article: Systematics of the mass-asymmetric fission of excited nuclei from 176Os to 206Pb
Systematics of the mass-asymmetric fission of excited nuclei from 176Os to 206Pb Open
View article: Lifetime measurements in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>odd</mml:mi><mml:mtext>−</mml:mtext><mml:mi>A</mml:mi></mml:mrow></mml:math> nucleus <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Hf</mml:mi><mml:mprescripts/><mml:none/><mml:mn>177</mml:mn></mml:mmultiscripts></mml:math>
Lifetime measurements in the nucleus Open
Lifetimes of low- and high-spin states in the odd-A nucleus Hf-177 were measured during the EXILL&FATIMA campaign using a spectrometer equipped with eight HPGe-Clover detectors and 16 fast-timing LaBr3(Ce) detectors. For the determination …
View article: Publisher Correction: The observation of vibrating pear-shapes in radon nuclei
Publisher Correction: The observation of vibrating pear-shapes in radon nuclei Open
View article: A charge plunger device to measure the lifetimes of excited nuclear states where transitions are dominated by internal conversion
A charge plunger device to measure the lifetimes of excited nuclear states where transitions are dominated by internal conversion Open
View article: Zeptosecond contact times for element Z=120 synthesis
Zeptosecond contact times for element Z=120 synthesis Open
The synthesis of new superheavy elements beyond oganesson (Z=118) requires fusion reactions with projectile nuclei with proton numbers larger than that of 48Ca (Z=20), which has been successfully employed for the synthesis of elements with…