N. Warr
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View article: Electromagnetic moments of 215,217Bi: Probing shell evolution beyond <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si4.svg"> <mml:mrow> <mml:mi>N</mml:mi> <mml:mo linebreak="goodbreak">=</mml:mo> <mml:mn>126</mml:mn> </mml:mrow> </mml:math>
Electromagnetic moments of 215,217Bi: Probing shell evolution beyond Open
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View article: First Measurement of the Quadrupole Moment of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msubsup> <mml:mn>2</mml:mn> <mml:mn>1</mml:mn> <mml:mo>+</mml:mo> </mml:msubsup> </mml:math> State in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:mmultiscripts> <mml:mrow> <mml:mi>Sn</mml:mi> </mml:mrow> <mml:mprescripts/> <mml:none/> <mml:mrow> <mml:mn>110</mml:mn> </mml:mrow> </mml:mmultiscripts> </mml:mrow> </mml:math>
First Measurement of the Quadrupole Moment of the State in Open
The Sn isotopic chain, exhibiting double shell closures at Sn
View article: Charge radii and electromagnetic moments of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mmultiscripts> <mml:mi>Bi</mml:mi> <mml:mprescripts/> <mml:none/> <mml:mrow> <mml:mn>214</mml:mn> <mml:mo>−</mml:mo> <mml:mn>218</mml:mn> </mml:mrow> </mml:mmultiscripts> </mml:math> : Exploring the “southern” border of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>Z</mml:mi> <mml:mo>></mml:mo> <mml:mn>82</mml:mn> </mml:mrow> </mml:math> octupole-deformation region
Charge radii and electromagnetic moments of : Exploring the “southern” border of the octupole-deformation region Open
The changes in the mean-squared charge radii relative to Bi 126
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math>- and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>α</mml:mi></mml:math>-decay spectroscopy of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Au</mml:mi><mml:mprescripts/><mml:none/><mml:mn>182</mml:mn></mml:mmultiscripts></mml:math>
- and -decay spectroscopy of Open
An α- and β-decay study of a pure source of laser-ionized and mass-separated Au
First -Delayed Two-Neutron Spectroscopy of the -Process Nucleus and Observation of the Single-Particle Neutron State in Open
View article: Structure of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Sn</mml:mi><mml:mprescripts/><mml:none/><mml:mn>128</mml:mn></mml:mmultiscripts></mml:math> selectively populated in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math> decay of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>In</mml:mi><mml:mprescripts/><mml:none/><mml:mn>128</mml:mn></mml:mmultiscripts></mml:math> ground state
Structure of selectively populated in the decay of the ground state Open
High-resolution γ-ray spectroscopy and fast-timing methods were employed to study the excited structure of Sn
View article: New upper limits for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math>-delayed fission probabilities of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Fr</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>230</mml:mn><mml:mo>,</mml:mo><mml:mn>232</mml:mn></mml:mrow></mml:mmultiscripts></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ac</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>230</mml:mn><mml:mo>,</mml:mo><mml:mn>232</mml:mn><mml:mo>,</mml:mo><mml:mn>234</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>
New upper limits for -delayed fission probabilities of and Open
The process of β-delayed fission (βDF) of Fr
View article: Revealing the Nature of yrast States in Neutron-Rich Polonium Isotopes
Revealing the Nature of yrast States in Neutron-Rich Polonium Isotopes Open
Polonium isotopes having two protons above the shell closure at Z=82 show a wide variety of low-lying, high-spin isomeric states across the whole chain. The structure of neutron-deficient isotopes up to Po
View article: Nuclear level density and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>γ</mml:mi></mml:math>-ray strength function of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ni</mml:mi><mml:mprescripts/><mml:none/><mml:mn>67</mml:mn></mml:mmultiscripts></mml:math> and the impact on the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>i</mml:mi></mml:math> process
Nuclear level density and -ray strength function of and the impact on the process Open
Proton-γ coincidences from (d,p) reactions between a Ni
View article: Charge radii of thallium isotopes near the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>N</mml:mi><mml:mo>=</mml:mo><mml:mn>126</mml:mn></mml:mrow></mml:math> shell closure
Charge radii of thallium isotopes near the shell closure Open
The changes in the mean-squared charge radius of Tl
View article: Detailed structure of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Sn</mml:mi><mml:mprescripts/><mml:none/><mml:mn>131</mml:mn></mml:mmultiscripts></mml:math> populated in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math> decay of isomerically purified <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>In</mml:mi><mml:mprescripts/><mml:none/><mml:mn>131</mml:mn></mml:mmultiscripts></mml:math> states
Detailed structure of populated in the decay of isomerically purified states Open
The excited structure of the single-hole nucleus Sn
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math> decay of the ground state and of a low-lying isomer in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Bi</mml:mi><mml:mprescripts/><mml:none/><mml:mn>216</mml:mn></mml:mmultiscripts></mml:math>
decay of the ground state and of a low-lying isomer in Open
A detailed β-decay study of the low- and high-spin states in Bi
View article: Magnetic moments of thallium isotopes in the vicinity of magic N = 126
Magnetic moments of thallium isotopes in the vicinity of magic N = 126 Open
View article: Fast-timing Investigation of \(A=128\) Isobars Populated in the \(\beta \)-decay of \(^{128}\)Cd
Fast-timing Investigation of \(A=128\) Isobars Populated in the \(\beta \)-decay of \(^{128}\)Cd Open
The excited structure of A = 128 isobars populated in the β decay of 128Cd has been investigated by means of high-resolution γ-spectroscopy and fast-timing measurements. The experiment was performed at the ISOLDE facility at CERN profiting…
View article: Exotic decay of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Cs</mml:mi><mml:mprescripts/><mml:none/><mml:mn>115</mml:mn></mml:mmultiscripts></mml:math>
Exotic decay of Open
The detailed study of the β+/EC decay of the very neutron-deficient and alpha-unbound nucleus Cs115 is presented. The measurement was performed at the ISOLDE, CERN where delayed charged particles and γ rays were detected. The observed dela…
View article: Examination of how properties of a fissioning system impact isomeric yield ratios of the fragments
Examination of how properties of a fissioning system impact isomeric yield ratios of the fragments Open
The population of isomeric states in the prompt decay of fission fragments - so-called isomeric yield ratios (IYRs) - is known to be sensitive to the angular momentum J that the fragment emerged with, and may therefore contain valuable inf…
View article: Coulomb excitation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Zn</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>74</mml:mn><mml:mo>,</mml:mo><mml:mn>76</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>
Coulomb excitation of Open
The first experiment using radioactive beams post-accelerated by the HIE-ISOLDE facility has enabled to obtain a precise set of B(E2) transition probabilities in neutron-rich Zn74,76 isotopes. The resulting B(E2; 21+→01+) values are consis…
View article: Evidence of nonstatistical neutron emission following <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math> decay near doubly magic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Sn</mml:mi><mml:mprescripts/><mml:none/><mml:mn>132</mml:mn></mml:mmultiscripts></mml:math>
Evidence of nonstatistical neutron emission following decay near doubly magic Open
Models of the β-delayed neutron emission (βn) assume that neutrons are emitted statistically via an intermediate compound nucleus post β decay. Evidence to the contrary was found in an In
View article: ^{133}In: A Rosetta Stone for Decays of r-Process Nuclei.
^{133}In: A Rosetta Stone for Decays of r-Process Nuclei. Open
The β decays from both the ground state and a long-lived isomer of ^{133}In were studied at the ISOLDE Decay Station (IDS). With a hybrid detection system sensitive to β, γ, and neutron spectroscopy, the comparative partial half-lives (log…
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>In</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>133</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>: A Rosetta Stone for Decays of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>r</mml:mi></mml:math>-Process Nuclei
: A Rosetta Stone for Decays of -Process Nuclei Open
The $β$ decays from both the ground state and a long-lived isomer of 133In were studied at the ISOLDE Decay Station (IDS). With a hybrid detection system sensitive to $β$, $γ$, and neutron spectroscopy, the comparative partial h…
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math>-delayed neutron spectroscopy of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>In</mml:mi><mml:mprescripts/><mml:none/><mml:mn>133</mml:mn></mml:mmultiscripts></mml:math>
-delayed neutron spectroscopy of Open
The decay properties of $^{133}$In were studied in detail at the ISOLDE Decay Station (IDS). The implementation of the Resonance Ionization Laser Ion Source (RILIS) allowed separate measurements of its $9/2^+$ ground state ($^{133g}$In) an…
View article: Nuclear Level Density and $γ$-ray Strength Function of $^{67}\mathrm{Ni}$ and the impact on the i-process
Nuclear Level Density and $γ$-ray Strength Function of $^{67}\mathrm{Ni}$ and the impact on the i-process Open
Proton-$γ$ coincidences from $(\mathrm{d},\mathrm{p})$ reactions between a $^{66}\mathrm{Ni}$ beam and a deuterated polyethylene target have been analyzed with the inverse-Oslo method to find the nuclear level density (NLD) and $γ$-ray str…
View article: Study of $$N=50$$ gap evolution around $$Z=32$$: new structure information for $${}^{82}$$Ge
Study of $$N=50$$ gap evolution around $$Z=32$$: new structure information for $${}^{82}$$Ge Open
View article: Simultaneous <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>γ</mml:mi></mml:math>-ray and electron spectroscopy of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Hg</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>182</mml:mn><mml:mo>,</mml:mo><mml:mn>184</mml:mn><mml:mo>,</mml:mo><mml:mn>186</mml:mn></mml:mrow></mml:mmultiscripts></mml:math> isotopes
Simultaneous -ray and electron spectroscopy of isotopes Open
Background: The mercury isotopes around N=104 are a well-known example of nuclei exhibiting shape coexistence. Mixing of configurations can be studied by measuring the monopole strength ρ2(E0), however, currently the experimental informati…
View article: 133In: A Rosetta Stone for decays of r-process nuclei
133In: A Rosetta Stone for decays of r-process nuclei Open
The $β$ decays from both the ground state and a long-lived isomer of $^{133}$In were studied at the ISOLDE Decay Station (IDS). With a hybrid detection system sensitive to $β$, $γ$, and neutron spectroscopy, the comparative partial half-li…
View article: Simultaneous $γ$-ray and electron spectroscopy of $^{182,184,186}$Hg isotopes
Simultaneous $γ$-ray and electron spectroscopy of $^{182,184,186}$Hg isotopes Open
Background: The mercury isotopes around $N=104$ are a well-known example of nuclei exhibiting shape coexistence. Mixing of configurations can be studied by measuring the monopole strength $ρ^2(E0)$, however, currently the experimental info…
View article: Axial and triaxial degrees of freedom in 72Zn
Axial and triaxial degrees of freedom in 72Zn Open
View article: The non-destructive investigation of a late antique knob bow fibula (Bügelknopffibel) from Kaiseraugst/CH using Muon Induced X-ray Emission (MIXE)
The non-destructive investigation of a late antique knob bow fibula (Bügelknopffibel) from Kaiseraugst/CH using Muon Induced X-ray Emission (MIXE) Open
View article: Muonic atom spectroscopy with microgram target material
Muonic atom spectroscopy with microgram target material Open
Muonic atom spectroscopy–the measurement of the x rays emitted during the formation process of a muonic atom–has a long standing history in probing the shape and size of nuclei. In fact, almost all stable elements have been subject to muon…
View article: Quadrupole and octupole collectivity in the semi-magic nucleus <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msubsup><mml:mrow/><mml:mrow><mml:mn>80</mml:mn></mml:mrow><mml:mrow><mml:mn>206</mml:mn></mml:mrow></mml:msubsup></mml:math>Hg126
Quadrupole and octupole collectivity in the semi-magic nucleus Hg126 Open