Search Results - "Geldhof, S"
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1
Evidence of a sudden increase in the nuclear size of proton-rich silver-96
Published in Nature communications (28-07-2021)“…Understanding the evolution of the nuclear charge radius is one of the long-standing challenges for nuclear theory. Recently, density functional theory…”
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2
Measurements of binding energies and electromagnetic moments of silver isotopes – A complementary benchmark of density functional theory
Published in Physics letters. B (01-01-2024)“…We report on a set of high-precision measurements of nuclear binding and excitation energies, as well as nuclear spins, magnetic dipole and electric quadrupole…”
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3
High-precision measurement of a low Q value for allowed β−-decay of 131I related to neutrino mass determination
Published in Physics letters. B (10-07-2022)“…The ground-state-to-ground-state β−-decay 131I (7/2+) → 131Xe (3/2+) Q value was determined with high precision utilizing the double Penning trap mass…”
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4
Precision mass measurements in the zirconium region pin down the mass surface across the neutron midshell at N = 66
Published in Physics letters. B (01-09-2024)“…Precision mass measurements of 104Y, 106Zr, 104,104m,109Nb, and 111,112Mo have been performed with the JYFLTRAP double Penning trap mass spectrometer at the…”
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5
Impact of Nuclear Deformation and Pairing on the Charge Radii of Palladium Isotopes
Published in Physical review letters (15-04-2022)“…The impact of nuclear deformation can been seen in the systematics of nuclear charge radii, with radii generally expanding with increasing deformation. In this…”
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6
On the performance of wavelength meters: Part 1—consequences for medium-to-high-resolution laser spectroscopy
Published in Applied physics. B, Lasers and optics (01-05-2020)“…Present-day laser-spectroscopy experiments increasingly rely on modern commercial devices to monitor, stabilize, and scan the wavelength of their probe laser…”
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7
High-precision electron-capture Q value measurement of 111In for electron-neutrino mass determination
Published in Physics letters. B (10-09-2022)“…A precise determination of the ground state 111In (9/2+) electron capture to ground state of 111Cd (1/2+) Q value has been performed utilizing the double…”
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8
Precision spectroscopy and laser-cooling scheme of a radium-containing molecule
Published in Nature physics (2024)“…Molecules containing heavy radioactive nuclei are predicted to be extremely sensitive to violations of the fundamental symmetries of nature. The nuclear…”
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9
Octupole correlations in the N = Z + 2 = 56 110Xe nucleus
Published in Physics letters. B (01-01-2024)“…This letter reports on the first observation of an octupole band in the neutron-deficient (N=Z+2) nucleus 110Xe. The 110Xe nuclei were produced via the…”
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10
Direct high-precision measurement of the mass difference of $$^{77}$$As–$$^{77}$$Se related to neutrino mass determination
Published in The European physical journal. A, Hadrons and nuclei (08-05-2024)“…Abstract The first direct determination of the ground-state-to-ground-state $${\beta ^{-}}$$ β - -decay Q -value of $$^{77}$$ 77 As to $$^{77}$$ 77 Se was…”
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11
Proton-neutron pairing correlations in the self-conjugate nucleus 42Sc
Published in Physics letters. B (01-08-2021)“…Collinear laser spectroscopy of the N=Z=21 self-conjugate nucleus 42Sc has been performed at the JYFL IGISOL IV facility in order to determine the change in…”
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12
Investigating radioactive negative ion production via double electron capture
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-08-2023)“…The relative cross sections for radioactive negative ion production via double electron capture have been measured for collisions between a 40 keV projectile…”
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13
Three beta-decaying states in 128In and 130In resolved for the first time using Penning-trap techniques
Published in Physics letters. B (01-09-2020)“…Isomeric states in 128In and 130In have been studied with the JYFLTRAP Penning trap at the IGISOL facility. By employing state-of-the-art ion manipulation…”
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14
Development of a saturated absorption spectroscopy setup at IGISOL for characterisation of Fabry-Pérot interferometers
Published in Hyperfine interactions (01-11-2017)“…A saturated absorption spectroscopy setup was developed and optimised for the characterisation of a home-built and a commercial Fabry-Pérot interferometer…”
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15
Laser spectroscopy with an electrostatic ConeTrap
Published in Hyperfine interactions (01-11-2017)“…A compact electrostatic trap has been designed and installed as part of the recent upgrades to the IGISOL IV facility. The ConeTrap provides an in vacuo…”
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16
Gas cell studies of thorium using filament dispensers at IGISOL
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-12-2020)“…Filament-based dispensers of thorium have been investigated at the IGISOL facility, Jyväskylä, for potential use as a thorium ion source for future collinear…”
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17
Dy 159 Electron-Capture: A New Candidate for Neutrino Mass Determination
Published in Physical review letters (31-12-2021)Get full text
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18
Upgrades to the collinear laser spectroscopy experiment at the IGISOL
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-01-2020)“…We give an overview of recent changes to the collinear laser spectroscopy beamline in the IGISOL laboratory. We present a new data acquisition system,…”
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19
Direct high-precision measurement of the mass difference of 77As–77Se related to neutrino mass determination
Published in The European physical journal. A, Hadrons and nuclei (08-05-2024)“…The first direct determination of the ground-state-to-ground-state β - -decay Q -value of 77 As to 77 Se was performed by measuring their atomic mass…”
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20
High-Precision Mass Measurements of Neutron Deficient Silver Isotopes Probe the Robustness of the N=50 Shell Closure
Published in Physical review letters (27-09-2024)“…High-precision mass measurements of exotic ^{95-97}Ag isotopes close to the N=Z line have been conducted with the JYFLTRAP double Penning trap mass…”
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