J. Äystö

Helsinki Institute of Physics — Finland

Physics and Astronomy · Physical Sciences

26h-index3.1kcitations130works0.02yr avg
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Research Topics

Nuclear physics research studies(81), Nuclear Physics and Applications(46), Particle physics theoretical and experimental studies(26), Quantum Chromodynamics and Particle Interactions(24), Nuclear reactor physics and engineering(22)

Publications130 total

$β$-delayed neutron spectroscopy of $^{85, 86}$As with MONSTER at IGISOL
arXiv (Cornell University)·2025Open Access
Publisher's Note: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>Q</mml:mi><mml:mi>EC</mml:mi></mml:msub></mml:math> value of the superallowed <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math> emitter <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Sc</mml:mi><mml:mprescripts/><mml:none/><mml:mn>42</mml:mn></mml:mmultiscripts></mml:math> [Phys. Rev. C <b>95</b>, 025501 (2017)]
Physical review. C·2020Open Access
Discovery of exceptionally strong nuclear transition sheds new light on the fate of intermediate-mass stars
arXiv (Cornell University)·2019Open Access
First determination of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>β</mml:mi></mml:mrow></mml:math>-delayed multiple neutron emission beyond <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>A</mml:mi><mml:mo>=</mml:mo><mml:mn>100</mml:mn></mml:mrow></mml:math> through direct neutron measurement: The <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>P</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mi>n</mml:mi></mml:mrow></mml:msub></mml:math> value of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mmultiscripts><mml:mi>Sb</mml:mi><mml:mprescripts/><mml:none/><mml:mn>136</mml:mn></mml:mmultiscripts></mml:mrow></mml:math>
Physical review. C·2018· 12 citedOpen Access
Precision Mass Measurements on Neutron-Rich Rare-Earth Isotopes at JYFLTRAP: Reduced Neutron Pairing and Implications for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>r</mml:mi></mml:math>-Process Calculations
Physical Review Letters·2018· 64 citedOpen Access
Probing the Low-Energy Structure of A = 109 Ru – Pd
2017
Experimental study of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Tc</mml:mi><mml:mprescripts/><mml:none/><mml:mn>100</mml:mn></mml:mmultiscripts></mml:math> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math> decay with total absorption <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>γ</mml:mi></mml:math>-ray spectroscopy
Physical review. C·2017· 18 citedOpen Access
Q(EC) value of the superallowed beta emitter Sc-42
Physical review. C·2017
Measurement of the heaviest<b>β</b>-delayed 2-neutron emitter:<sup><b>136</b></sup>Sb
EPJ Web of Conferences·2017· 1 citedOpen Access
First Evidence of Multiple $\beta $-delayed Neutron Emission for Isotopes with $A&gt;100$
Acta Physica Polonica B·2017· 1 citedOpen Access
Study of the $\beta $ Decay of Fission Products with the DTAS Detector
Acta Physica Polonica B·2017· 5 citedOpen Access
Total absorption studies of high priority decays for reactor applications: <sup>86</sup>Br and <sup>91</sup>Rb
EPJ Web of Conferences·2017· 1 citedOpen Access
Enhanced<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>γ</mml:mi></mml:math>-Ray Emission from Neutron Unbound States Populated in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>β</mml:mi></mml:math>Decay
Physical Review Letters·2015· 44 citedOpen Access
Lifetimes in the A=109 isobaric chain
APS Division of Nuclear Physics Meeting Abstracts·2014
Progress on the Super-FRS Experimental Program
GSI Repository (GSI Helmholtzzentrum für Schwerionenforschung)·2014Open Access
Independent fission yield measurements with jyfltrap
Digital Library of the Belarusian State University (Belarusian State University)·2014Open Access
Isomeric Yield Ratios of Fission Products Measured with the JYFLTRAP
Acta Physica Polonica B·2014· 1 cited
INDEPENDENT ISOTOPIC FISSION YIELD STUDIES WITH JYFLTRAP
2013
Measurement of the inclusive differential jet cross section in pp collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>2.76</mml:mn><mml:mtext> TeV</mml:mtext></mml:math>
Physics Letters B·2013· 97 citedOpen Access
Isomeric states close to doubly magic<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mrow/><mml:mn>132</mml:mn></mml:msup></mml:math>Sn studied with the double Penning trap JYFLTRAP
Physical Review C·2013· 52 citedOpen Access
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Frequent Co-authors

A. Jokinen(32), V Alcayne(17), I. D. Moore(16), J. Huikari(14), T. Eronen(14), P. Dendooven(14), A. Kankainen(13), M. Oinonen(12), S. Rinta-Antila(12), A. Nieminen(11), H. O. U. Fynbo(11), K. Peräjärvi(11), F. Blanco(9), J. Hakala(9), K. Riisager(9), O. Tengblad(9), L. M. Fraile(8), S. U. Ahn(7), A. Akindinov(7), A. Alici(7)