P. Golubev
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View article: High-spin spectroscopy and the onset of quasicollective structures in $^{69}$Ga
High-spin spectroscopy and the onset of quasicollective structures in $^{69}$Ga Open
The intermediate- and high-spin level structure of the odd-$A$ $^{69}$Ga nucleus was investigated via the $^{26}$Mg($^{48}$Ca, $p4nγ$) fusion evaporation reaction at a beam energy of 195 MeV. The experiment was performed using the Gammasph…
View article: Source characterization of a detector for heavy and superheavy nuclei
Source characterization of a detector for heavy and superheavy nuclei Open
A new focal plane detector system for the Berkeley Gas-filled Separator (BGS) was designed, constructed, and tested offline with various -decay and conversion-electron sources. The SuperHeavy RECoils (SHREC) detector comprises sets of doub…
View article: Multi-Coincidence Set-Up for Nuclear Forensics with Si-Strip and Compton-Suppressed Hpge Detectors
Multi-Coincidence Set-Up for Nuclear Forensics with Si-Strip and Compton-Suppressed Hpge Detectors Open
View article: Toward the Discovery of New Elements: Production of Livermorium (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Z</mml:mi><mml:mo>=</mml:mo><mml:mn>116</mml:mn></mml:mrow></mml:math>) with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Ti</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>50</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>
Toward the Discovery of New Elements: Production of Livermorium () with Open
The ^{244}Pu(^{50}Ti,xn)^{294-x}Lv reaction was investigated at Lawrence Berkeley National Laboratory's 88-Inch Cyclotron. The experiment was aimed at the production of a superheavy element with Z≥114 by irradiating an actinide target with…
View article: Towards the Discovery of New Elements: Production of Livermorium (Z=116) with 50Ti
Towards the Discovery of New Elements: Production of Livermorium (Z=116) with 50Ti Open
The $^{244}$Pu($^{50}$Ti,$xn$)$^{294-x}$Lv reaction was investigated at Lawrence Berkeley National Laboratory's 88-Inch Cyclotron facility. The experiment was aimed at the production of a superheavy element with $Z\ge 114$ by irradiating a…
View article: Elucidating the nature of the proton radioactivity and branching ratio on the first proton emitter discovered 53mCo
Elucidating the nature of the proton radioactivity and branching ratio on the first proton emitter discovered 53mCo Open
View article: Anti-Compton shield for Compex germanium detector modules
Anti-Compton shield for Compex germanium detector modules Open
A bismuth-germanate (BGO) anti-Compton shield (ACS) for Compex germanium detector modules was designed, built, and characterised. BGO performance was evaluated for light output and energy resolution. The response of the ACS shield and its …
View article: Search for Weak Side Branches in the Electromagnetic Decay Paths of the 6526-keV 10+ Isomer in 54Fe
Search for Weak Side Branches in the Electromagnetic Decay Paths of the 6526-keV 10+ Isomer in 54Fe Open
High-spin nuclear isomers in N≈Z nuclei between doubly magic 40Ca and 56Ni provide an excellent testing ground for the nuclear shell model and questions related to isospin symmetry breaking in the vicinity of the proton drip line. The purp…
View article: CCDC 2214942: Experimental Crystal Structure Determination
CCDC 2214942: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Spectroscopy along flerovium decay chains. II. Fine structure in odd-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>A</mml:mi></mml:math> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Fl</mml:mi><mml:mprescripts/><mml:none/><mml:mn>289</mml:mn></mml:mmultiscripts></mml:math>
Spectroscopy along flerovium decay chains. II. Fine structure in odd- Open
Fifteen correlated α-decay chains starting from the odd-A superheavy nucleus 289Fl were observed following the fusion-evaporation reaction 48Ca + 244Pu. The results call for at least two parallel α-decay se…
View article: Spectroscopy along flerovium decay chains. III. Details on experiment, analysis, <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Cn</mml:mi><mml:mprescripts/><mml:none/><mml:mn>282</mml:mn></mml:mmultiscripts></mml:math>, and spontaneous fission branches
Spectroscopy along flerovium decay chains. III. Details on experiment, analysis, , and spontaneous fission branches Open
Flerovium isotopes (element Z = 114) were produced in the fusion-evaporation reactions 48Ca + 242,244Pu and studied with an upgraded TASISpec decay station placed in the focal plane of the gas-filled separator TASCA a…
View article: On the adsorption and reactivity of element 114, flerovium
On the adsorption and reactivity of element 114, flerovium Open
Flerovium (Fl, element 114) is the heaviest element chemically studied so far. To date, its interaction with gold was investigated in two gas-solid chromatography experiments, which reported two different types of interaction, however, eac…
View article: Isotopic cross sections of fragmentation residues produced by light projectiles on carbon near <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>400</mml:mn><mml:mi>A</mml:mi></mml:mrow></mml:math> MeV
Isotopic cross sections of fragmentation residues produced by light projectiles on carbon near MeV Open
We measured 135 cross sections of residual nuclei produced in fragmentation reactions of 12C, 14N, and 13-16,20,22O projectiles impinging on a carbon target at kinetic energies of near 400A MeV, most of the…
View article: Letters
Letters Open
View article: Reinterpretation of excited states in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Po</mml:mi><mml:mprescripts/><mml:none/><mml:mn>212</mml:mn></mml:mmultiscripts></mml:math>: Shell-model multiplets rather than <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>α</mml:mi></mml:math>-cluster states
Reinterpretation of excited states in : Shell-model multiplets rather than -cluster states Open
A gamma-ray spectroscopic study of Po-212 was performed at the Grand Accelerateur National d'Ions Lourds, using the inverse kinematics alpha-transfer reaction C-12(Pb-208, Po-212) Be-8 and the AGATA spectrometer. A careful analysis based o…
View article: CCDC 2067830: Experimental Crystal Structure Determination
CCDC 2067830: Experimental Crystal Structure Determination Open
View article: Simulations of light collection in long tapered CsI(Tl) scintillators using real crystal surface data and comparisons to measurement
Simulations of light collection in long tapered CsI(Tl) scintillators using real crystal surface data and comparisons to measurement Open
View article: Spectroscopy along Flerovium Decay Chains: Discovery of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Ds</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>280</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>and an Excited State in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Cn</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>282</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>
Spectroscopy along Flerovium Decay Chains: Discovery ofand an Excited State in Open
A nuclear spectroscopy experiment was conducted to study α-decay chains stemming from isotopes of flerovium (element Z=114). An upgraded TASISpec decay station was placed behind the gas-filled separator TASCA at the GSI Helmholtzzentrum fü…
View article: Experience in Binary Classification of Sea Ice by SAR Images Based on Neural Networks
Experience in Binary Classification of Sea Ice by SAR Images Based on Neural Networks Open
The paper presents the results of the first version algorithm development for sea ice binary classification by SAR images. To create training, test, and validation samples, we have used 81 images acquired with the Sentinel-1 radar for the …
View article: Search for elements 119 and 120
Search for elements 119 and 120 Open
A search for production of the superheavy elements with atomic numbers 119 and 120 was performed in the 50Ti+249Bk and 50Ti+249Cf fusion-evaporation reactions, respectively, at the gas-filled recoil separator TASCA at GSI Darmstadt, German…
View article: Spectroscopic Tools Applied to Flerovium Decay Chains
Spectroscopic Tools Applied to Flerovium Decay Chains Open
An upgraded TASISpec setup, with the addition of a veto DSSD and the new Compex detector-germanium array, has been employed with the gas-filled recoil separator TASCA at the GSI Helmholtzzentrum für Schwerionenforschung Darmstadt, to study…
View article: Low-lying electric dipole γ-continuum for the unstable 62,64Fe nuclei: Strength evolution with neutron number
Low-lying electric dipole γ-continuum for the unstable 62,64Fe nuclei: Strength evolution with neutron number Open
View article: Probing the Z = 6 spin-orbit shell gap with (p,2p) quasi-free scattering reactions
Probing the Z = 6 spin-orbit shell gap with (p,2p) quasi-free scattering reactions Open
View article: High-Statistics Sub-Barrier Coulomb Excitation of <sup>106,108,110</sup>Sn
High-Statistics Sub-Barrier Coulomb Excitation of <sup>106,108,110</sup>Sn Open
A Coulomb excitation campaign on $^{106,108,110}$Sn at 4.4–4.5 MeV/u was launched at the HIE-ISOLDE facility at CERN. Larger excitation cross sections and γ-ray statistics were achieved compared to previous experiments at ∼2.8 MeV/u. More …
View article: Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the $$\pi (p_{3/2})\rightarrow \pi (p_{1/2})$$ spin-flip transition in $$^{85}\hbox {Br}$$
Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the $$\pi (p_{3/2})\rightarrow \pi (p_{1/2})$$ spin-flip transition in $$^{85}\hbox {Br}$$ Open
View article: Compex: a cubic germanium detector
Compex: a cubic germanium detector Open
View article: Performance recovery of long CsI(Tl) scintillator crystals with APD-based readout
Performance recovery of long CsI(Tl) scintillator crystals with APD-based readout Open
View article: Search for proton emission of the isomeric $$\mathbf {10^+}$$ state in $$\mathbf {^{54}}$$Ni
Search for proton emission of the isomeric $$\mathbf {10^+}$$ state in $$\mathbf {^{54}}$$Ni Open
Several experiments were conducted at the 10 MV Van-de-Graaff tandem accelerator at the Institute of Nuclear Physics, Cologne, to detect proton emission from the isomeric 6457-keV $$10^+$$ state in $$^{54}\hbox {Ni}$$ . Excitation functi…
View article: Isospin dependence of electromagnetic transition strengths among an isobaric triplet
Isospin dependence of electromagnetic transition strengths among an isobaric triplet Open
View article: Quasi-free neutron and proton knockout reactions from light nuclei in a wide neutron-to-proton asymmetry range
Quasi-free neutron and proton knockout reactions from light nuclei in a wide neutron-to-proton asymmetry range Open