Search Results - "HOLT, D. J"
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Ab Initio Limits of Atomic Nuclei
Published in Physical review letters (15-01-2021)“…We predict the limits of existence of atomic nuclei, the proton and neutron drip lines, from the light through medium-mass regions. Starting from a chiral two-…”
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Nonperturbative shell-model interactions from the in-medium similarity renormalization group
Published in Physical review letters (03-10-2014)“…We present the first ab initio construction of valence-space Hamiltonians for medium-mass nuclei based on chiral two- and three-nucleon interactions using the…”
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3
Structure of the Lightest Tin Isotopes
Published in Physical review letters (13-04-2018)“…We link the structure of nuclei around ^{100}Sn, the heaviest doubly magic nucleus with equal neutron and proton numbers (N=Z=50), to nucleon-nucleon (NN) and…”
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4
Masses of exotic calcium isotopes pin down nuclear forces
Published in Nature (London) (20-06-2013)“…The masses of the exotic calcium isotopes 53 Ca and 54 Ca measured by a multi-reflection time-of-flight method confirm predictions of calculations including…”
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5
Ab Initio Structure Factors for Spin-Dependent Dark Matter Direct Detection
Published in Physical review letters (18-02-2022)“…We present converged ab initio calculations of structure factors for elastic spin-dependent WIMP scattering off all nuclei used in dark matter direct-detection…”
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6
Unexpectedly large charge radii of neutron-rich calcium isotopes
Published in Nature physics (01-06-2016)“…Despite being a complex many-body system, the atomic nucleus exhibits simple structures for certain ‘magic’ numbers of protons and neutrons. The calcium chain…”
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7
Progression from selective to general involvement of hippocampal subfields in schizophrenia
Published in Molecular psychiatry (01-01-2017)“…Volume deficits of the hippocampus in schizophrenia have been consistently reported. However, the hippocampus is anatomically heterogeneous; it remains unclear…”
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Dawning of the N=32 Shell Closure Seen through Precision Mass Measurements of Neutron-Rich Titanium Isotopes
Published in Physical review letters (09-02-2018)“…A precision mass investigation of the neutron-rich titanium isotopes ^{51-55}Ti was performed at TRIUMF's Ion Trap for Atomic and Nuclear science (TITAN). The…”
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Ab Initio Calculations of Low-Energy Nuclear Scattering Using Confining Potential Traps
Published in Physical review letters (11-09-2020)“…A recently modified method to enable low-energy nuclear scattering results to be extracted from the discrete energy levels of the target-projectile clusters…”
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First Glimpse of the N=82 Shell Closure below Z=50 from Masses of Neutron-Rich Cadmium Isotopes and Isomers
Published in Physical review letters (06-03-2020)“…We probe the N=82 nuclear shell closure by mass measurements of neutron-rich cadmium isotopes with the ISOLTRAP spectrometer at ISOLDE-CERN. The new mass of…”
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11
In vivo imaging of adult human hippocampal neurogenesis: progress, pitfalls and promise
Published in Molecular psychiatry (01-04-2013)“…New neurons are produced within the hippocampus of the mammalian brain throughout life. Evidence from animal studies has suggested that the function of these…”
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Precision Mass Measurements of Neutron-Rich Scandium Isotopes Refine the Evolution of N=32 and N=34 Shell Closures
Published in Physical review letters (29-01-2021)“…We report high-precision mass measurements of ^{50-55}Sc isotopes performed at the LEBIT facility at NSCL and at the TITAN facility at TRIUMF. Our results…”
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13
The organization of frontostriatal brain wiring in non-affective early psychosis compared with healthy subjects using a novel diffusion imaging fiber cluster analysis
Published in Molecular psychiatry (01-06-2023)“…Background Alterations in brain connectivity may underlie neuropsychiatric conditions such as schizophrenia. We here assessed the degree of convergence of…”
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14
Mass measurements of 99–101In challenge ab initio nuclear theory of the nuclide 100Sn
Published in Nature physics (23-09-2021)“…The tin isotope 100 Sn is of singular interest for nuclear structure due to its closed-shell proton and neutron configurations. It is also the heaviest nucleus…”
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15
Radii and Binding Energies in Oxygen Isotopes: A Challenge for Nuclear Forces
Published in Physical review letters (29-07-2016)“…We present a systematic study of both nuclear radii and binding energies in (even) oxygen isotopes from the valley of stability to the neutron drip line. Both…”
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Nucleus-Dependent Valence-Space Approach to Nuclear Structure
Published in Physical review letters (20-01-2017)Get full text
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Microsecond Isomer at the N=20 Island of Shape Inversion Observed at FRIB
Published in Physical review letters (16-06-2023)“…Excited-state spectroscopy from the first experiment at the Facility for Rare Isotope Beams (FRIB) is reported. A 24(2)-μs isomer was observed with the FRIB…”
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New precision mass measurements of neutron-rich calcium and potassium isotopes and three-nucleon forces
Published in Physical review letters (20-07-2012)“…We present precision Penning trap mass measurements of neutron-rich calcium and potassium isotopes in the vicinity of neutron number N=32. Using the TITAN…”
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Breakdown of the isobaric multiplet mass equation for the A = 20 and 21 multiplets
Published in Physical review letters (22-08-2014)“…Using the Penning trap mass spectrometer TITAN, we performed the first direct mass measurements of (20,21)Mg, isotopes that are the most proton-rich members of…”
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Striatal function in relation to negative symptoms in schizophrenia
Published in Psychological medicine (01-02-2012)“…Previous studies have suggested that motivational aspects of executive functioning, which may be disrupted in schizophrenia patients with negative symptoms,…”
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