Search Results - "KOLHINEN, V"
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Total Absorption Spectroscopy Study of Rb 92 Decay: A Major Contributor to Reactor Antineutrino Spectrum Shape
Published in Physical review letters (04-09-2015)“…The antineutrino spectra measured in recent experiments at reactors are inconsistent with calculations based on the conversion of integral beta spectra…”
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Towards commissioning the new IGISOL-4 facility
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-12-2013)“…•The commissioning of the new IGISOL-4 facility.•First successful implantation of neutron-deficient Pd.•In-jet laser ionization of copper demonstrated. The Ion…”
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Enhanced γ-Ray Emission from Neutron Unbound States Populated in β Decay
Published in Physical review letters (06-08-2015)“…Total absorption spectroscopy is used to investigate the β-decay intensity to states above the neutron separation energy followed by γ-ray emission in…”
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First precision mass measurements of refractory fission fragments
Published in Physical review letters (03-02-2006)“…Atomic masses of 95-100Sr, 98-105Zr, and [corrected] 102-110Mo and have been measured with a precision of 10 keV employing a Penning trap setup at the IGISOL…”
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Total Absorption Spectroscopy of Fission Fragments Relevant for Reactor Physics and Nuclear Structure and Astrophysics
Published in EPJ Web of Conferences (2023)“…The accurate determination of reactor antineutrino spectra remains a very hot research topic, where new questions have emerged in recent years. Indeed, after…”
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Journal Article Conference Proceeding -
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High-precision mass measurements of 25Al and 30P at JYFLTRAP
Published in The European physical journal. A, Hadrons and nuclei (01-05-2016)“… The masses of the astrophysically relevant nuclei 25 Al and 30 P have been measured with a Penning trap for the first time. The mass-excess values for 25 Al…”
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JYFLTRAP: a Penning trap for precision mass spectroscopy and isobaric purification
Published in The European physical journal. A, Hadrons and nuclei (01-04-2012)“…In this article a comprehensive description and performance of the double Penning-trap setup JYFLTRAP will be detailed. The setup is designed for atomic mass…”
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A neutron source for IGISOL-JYFLTRAP: Design and characterisation
Published in The European physical journal. A, Hadrons and nuclei (2017)“… A white neutron source based on the Be(p, nx) reaction for fission studies at the IGISOL-JYFLTRAP facility has been designed and tested. 30MeV protons…”
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Recommissioning of JYFLTRAP at the new IGISOL-4 facility
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-12-2013)“…•The JYFLTRAP system has been moved to a new location and commissioned.•The line between RFQ and the Penning traps allows implementation of extra devices.•The…”
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Erratum to: High-precision mass measurements of 25Al and 30P at JYFLTRAP
Published in The European physical journal. A, Hadrons and nuclei (2016)Get full text
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Precise measurements of half-lives and branching ratios for the β mirror transitions in the decay of 23Mg and 27Si
Published in The European physical journal. A, Hadrons and nuclei (2017)“… Half-lives and branching ratios for the two mirror β decays of 23 Mg and 27 Si have been measured at the University of Jyväskylä with the IGISOL facility…”
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The scale dependent nuclear effects in parton distributions for practical applications
Published in The European physical journal. C, Particles and fields (01-06-1999)Get full text
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Enhancement of charm quark production due to nonlinear corrections to the DGLAP equations
Published in Physics letters. B (04-03-2004)“…We have studied how parton distributions based on the inclusion of nonlinear scale evolution and constraints from HERA data affect charm production in pp…”
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Measurement of the heaviest β-delayed 2-neutron emitter: 136Sb
Published in EPJ Web of conferences (01-01-2017)“…The β-delayed neutron emission probability, Pn, of very exotic nuclei is crucial for the understanding of nuclear structure properties of many isotopes and…”
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Conference Proceeding Journal Article -
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JYFLTRAP: a cylindrical Penning trap for isobaric beam purification at IGISOL
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-08-2004)“…A Penning trap has been installed for isobaric beam purification at the IGISOL-facility at the University of Jyväskylä. In this paper, the technical details of…”
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Developments for neutron-induced fission at IGISOL-4
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-06-2016)“…At the IGISOL-4 facility, neutron-rich, medium mass nuclei have usually been produced via charged particle-induced fission of natural uranium and thorium…”
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On the resonant neutrinoless double-electron-capture decay of 136Ce
Published in Physics letters. B (28-02-2011)“…The double-electron-capture Q value for the 136Ce decay to 136Ba has been determined at JYFLTRAP. The measured value 2378.53(27) keV excludes the energy…”
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Fission yield measurements at IGISOL
Published in EPJ Web of conferences (01-01-2016)“…The fission product yields are an important characteristic of the fission process. In fundamental physics, knowledge of the yield distributions is needed to…”
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Journal Article Conference Proceeding -
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Scale evolution of nuclear parton distributions
Published in Nuclear physics. B (07-12-1998)“…Using the NMC and E665 nuclear structure function ratios F 2 A / F 2 D and F 2 A / F 2 C from deep inelastic lepton-nucleus collisions, and the E772 Drell-Yan…”
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Ultra-high resolution mass separator—Application to detection of nuclear weapons tests
Published in Applied radiation and isotopes (01-03-2010)“…A Penning trap-based purification process having a resolution of about 1 ppm is reported. In this context, we present for the first time a production method…”
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