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Article
Erratum to: Penning-trap-assisted study of 115Ru beta decay
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Article
Open AccessPenning-trap-assisted study of 115Ru beta decay
The beta decay of 115Ru has been studied by means of Penning-trap-assisted beta and gamma spectroscopy at the IGISOL facility. The level scheme of 115Rh has been substantially extended and compared with the level...
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Article
Nuclear structure studies of neutron-rich fission fragments performed at JYFLTRAP
The JYFLTRAP double Penning trap setup at the University of Jyväskylä, Finland has been used to perform a wide range of studies related to neutron-rich fission fragments that can be produced with the Ion Guide...
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Article
Precision half-life and Q -value measurement of the super-allowed \( \beta\) emitter 30S
The \( \beta\) -decay half-life and the ground-state-to-ground-state Q EC -value of 30S were me...
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Article
Light-ion-induced reactions in mass measurements of neutron-deficient nuclides close to A = 100
A survey of neutron-deficient nuclides which can be produced via proton- and 3He -induced fusion-evaporation reactions in the A = 100 region was made using a Penning trap as a high-resolution mass filter. A compa...
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Article
Precise half-life measurement of the 26Si ground state
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Article
Precise half-life measurement of the 26Si ground state
The β-decay half-life of 26Si was measured with a relative precision of 1.4·10−3. The measurement yields a value of 2.2283(27) s which is in good agreement with previous measurements but has a precision that is b...
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Article
Conversion electron spectroscopy of isobarically purified trapped radioactive ions
The feasibility of the JYFLTRAP for in-trap spectroscopy has been studied. Several internally converted transitions have been measured for isomers of fission products with good accuracy. High-resolution spectr...
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Article
Precision mass measurements of radioactive nuclei at JYFLTRAP
The Penning trap mass spectrometer JYFLTRAP was used to measure the atomic masses of radioactive nuclei with an uncertainty better than 10 keV. The atomic masses of the neutron-deficient nuclei around the ...
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Article
Open AccessMasses of neutron-rich Ni and Cu isotopes and the shell closure at Z = 28 , N = 40
The Penning trap mass spectrometer JYFLTRAP, coupled to the Ion Guide Isotope Separator On-Line (IGISOL) facility at Jyväskylä, was employed to measure the atomic masses of neutron-rich 70-73Ni and 73, 75Cu isoto...
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Article
Precise atomic masses of neutron-rich Br and Rb nuclei close to the r-process path
The Penning trap mass spectrometer JYFLTRAP, coupled to the Ion-Guide Isotope Separator On-Line (IGISOL) facility at Jyväskylä, was employed to measure the atomic masses of neutron-rich 85-92Br and 94-97Rb isotop...
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Article
Open AccessPenning trap assisted decay spectroscopy of neutron-rich 115Ru
Exotic, neutron-rich 111Mo and 115Ru nuclei, produced in proton-induced fission of 238U target, were separated with the IGISOL mass separator. The separator was coupled to the JYFLTRAP Penning trap to select the ...
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Article
Decay study of neutron-rich zirconium isotopes employing a Penning trap as a spectroscopy tool
A new technique to produce isobarically pure ion beams for decay spectroscopy by using a gas-filled Penning trap was commissioned at the ion guide isotope separator on-line facility, IGISOL. β-decays of neutro...
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Chapter and Conference Paper
Experimental studies at JYFLTRAP
JYFLTRAP is a Penning trap system at the accelerator laboratory in Jyväskylä, Finland that enables high-precision experiments with stored, exotic species that are produced at the IGISOL facility. On one hand, ...
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Article
Experimental studies at JYFLTRAP
JYFLTRAP is a Penning trap system at the accelerator laboratory in Jyväskylä, Finland that enables high-precision experiments with stored, exotic species that are produced at the IGISOL facility. On one hand, ...
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Article
New variants in the glycogen synthase gene (Gln71His, Met416Val) in patients with NIDDM from eastern Finland
Impaired glycogen synthesis after insulin stimulation accounts for most of the insulin resistance in patients with non-insulin-dependent diabetes mellitus (NIDDM). The glycogen synthase gene (GYS1), which enco...
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Chapter
Learning by MDL
Machine learning has been formalized as the problem of estimating a conditional distribution as the ‘concept’ to be learned. The learning algorithm is based upon the MDL (Minimum Description Length) principle....
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Chapter and Conference Paper
Stochastic complexity in learning
This is an expository paper on the latest results in the theory of stochastic complexity and the associated MDL principle with special interest in modeling problems arising in machine learning. As an illustration...
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Chapter and Conference Paper
Coding and Complexity
Inspired by the algorithmic notion of complexity, Solomonoff (1964), Kolmogorov (1965), Chaitin (1966), as well as Akaike’s work, Akaike (1977), I some ten years ago proposed the shortest code length for the o...
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Chapter
Estimation of Structure by Minimum Description Length
A theorem is proved which demonstrates that an earlier derived minimum description length estimation criterion is capable of distinguishing between structures in linear models for vector processes. A fairly si...
