A. Korgul
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View article: Direct observation of the superallowed α decay of 104Te
Direct observation of the superallowed α decay of 104Te Open
Alpha particle radioactivity is one of the most striking evidence for the existence of cluster structures in atomic nuclei. During the decay process, a preexisting α particle tunnels through the potential barrier formed by the residual nuc…
View article: Modeling of Light Production in Inorganic Scintillators
Modeling of Light Production in Inorganic Scintillators Open
In recent experiments, inorganic scintillators have been used to study the decays of exotic nuclei, providing an alternative to silicon detectors and enabling measurements that were previously impossible. However, proper use of these mater…
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 182 (Z = 79, N = 103) was carried out at the ISOLDE Decay Station at the ISOLDE-CERN facility. Detailed γ−γ analysis following EC/β+ de…
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 128, populated via the β-decay chain of Cd 128→In 128→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 230,232 and Ac 230,232,234 was studied in an experiment performed at the ISOLDE facility at CERN. As no fission fragments were observed for any of…
View article: Probing the quantum phase transition around $N\approx60$ via mass measurements of technetium isotopes
Probing the quantum phase transition around $N\approx60$ via mass measurements of technetium isotopes Open
The masses of neutron-rich $^{104-106}$Tc isotopes were measured using the JYFLTRAP double Penning trap and found to deviate from the Atomic Mass Evaluation 2020 by $-79(25)$, $40(12)$ and $94(41)$ keV, respectively. In the case of $^{105,…
View article: The 76Cu conundrum remains unsolved
The 76Cu conundrum remains unsolved Open
View article: Impact of Newly Measured <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>β</mml:mi></mml:math>-Delayed Neutron Emitters around <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Ni</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>78</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> on Light Element Nucleosynthesis in the Neutrino Wind Following a Neutron Star Merger
Impact of Newly Measured -Delayed Neutron Emitters around on Light Element Nucleosynthesis in the Neutrino Wind Following a Neutron Star Merger Open
Neutron emission probabilities and half-lives of 37 β-delayed neutron emitters from Ni 75 to Br 92 were measured at the RIKEN Nishina Center in Japan, including 11 one-neutron and 13 two-neut…
View article: Approaching 100Sn: Structural evolution in 98,100Cd via lifetime measurements
Approaching 100Sn: Structural evolution in 98,100Cd via lifetime measurements Open
The lifetimes of low-lying excited states below the 8+ seniority isomer were directly measured using fast timing detectors in the neutron-deficient isotopes 98,100Cd. This experiment was conducted with the DEcay SPECtroscopy (DESPEC) setup…
View article: Search for β-delayed fission of 178 Au g,m and an updated systematics in the region of neutron-deficient nuclei
Search for β-delayed fission of 178 Au g,m and an updated systematics in the region of neutron-deficient nuclei Open
International audience
View article: Decay study of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Be</mml:mi><mml:mprescripts/><mml:none/><mml:mn>11</mml:mn></mml:mmultiscripts></mml:math> with an optical time-projection chamber
Decay study of with an optical time-projection chamber Open
The β decay of one-neutron halo nucleus Be 11 was investigated using the Warsaw Optical Time Projection Chamber (OTPC) detector to measure β-delayed charged particles. The results of two experiments are reported. In…
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 g 209 (N=128) and Tl m 207 (N=126) relative to Tl 205 have been measured for the first time using t…
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 131 populated by the β− decay of In 131 was investigated in detail at the ISOLDE facility at CERN. This new experiment took advantage of is…
View article: Compound-Nucleus and Doorway-State Decays of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>β</mml:mi></mml:math>-Delayed Neutron Emitters <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">K</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>51</mml:mn><mml:mo>,</mml:mo><mml:mn>52</mml:mn><mml:mo>,</mml:mo><mml:mn>53</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>
Compound-Nucleus and Doorway-State Decays of -Delayed Neutron Emitters Open
We investigated decays of K 51,52,53 at the ISOLDE Decay Station at CERN in order to understand the mechanism of the β-delayed neutron-emission (βn) process. The experiment quantified neutron and γ-ray emission path…
View article: Decay study of $^{11}$Be with an Optical TPC detector
Decay study of $^{11}$Be with an Optical TPC detector Open
The $β$ decay of one-neutron halo nucleus $^{11}$Be was investigated using the Warsaw Optical Time Projection Chamber (OTPC) detector to measure $β$-delayed charged particles. The results of two experiments are reported. In the first one, …
View article: Broken seniority symmetry in the semimagic proton mid-shell nucleus <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Rh</mml:mi><mml:mprescripts/><mml:none/><mml:mn>95</mml:mn></mml:mmultiscripts></mml:math>
Broken seniority symmetry in the semimagic proton mid-shell nucleus Open
Lifetime measurements of low-lying excited states in the semimagic (N=50) nucleus Rh 95 have been performed by means of the fast-timing technique. The experiment was carried out using γ-ray detector arrays consistin…
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: Production of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si101.svg" display="inline" id="d1e1283"><mml:msup><mml:mrow/><mml:mrow><mml:mn>129</mml:mn><mml:mi mathvariant="normal">m</mml:mi></mml:mrow></mml:msup></mml:math>Xe and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si117.svg" display="inline" id="d1e1293"><mml:msup><mml:mrow/><mml:mrow><mml:mn>131</mml:mn><mml:mi mathvariant="normal">m</mml:mi></mml:mrow></mml:msup></mml:math>Xe via neutron activation of 128Xe and 130Xe at ILL-RHF and NCBJ-MARIA high-flux reactors
Production of Xe and Xe via neutron activation of 128Xe and 130Xe at ILL-RHF and NCBJ-MARIA high-flux reactors Open
View article: The Irradiation System for Studying Biological Effects in Glioblastoma Cell Lines After Exposure to High LET \(\alpha \) Particles Appearing in BNCT Therapy
The Irradiation System for Studying Biological Effects in Glioblastoma Cell Lines After Exposure to High LET \(\alpha \) Particles Appearing in BNCT Therapy Open
View article: Sailing with NEEDLE Beyond the Horizon
Sailing with NEEDLE Beyond the Horizon 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: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math>-delayed neutron emissions from <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>N</mml:mi><mml:mo>></mml:mo><mml:mn>50</mml:mn></mml:mrow></mml:math> gallium isotopes
-delayed neutron emissions from gallium isotopes Open
β-delayed γ-neutron spectroscopy has been performed on the decay of A = 84 to 87 gallium isotopes at the RI-beam Factory at the RIKEN Nishina Center using a high-efficiency array of 3He neutron counters (BRIKEN). β-2n-γ events w…
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: Fission of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Fr</mml:mi><mml:mprescripts/><mml:none/><mml:mn>215</mml:mn></mml:mmultiscripts></mml:math> studied with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>γ</mml:mi></mml:math> spectroscopic methods
Fission of studied with spectroscopic methods Open
Background: Asymmetric fission is known to occur in two regions, the\nactinides and sub-lead, and is dependent on the fissioning system excitation\nenergy. Experimental evidence in the sub-lead region show that this mode is\nsurprisingly p…
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 134β-decay experiment carri…
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: 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