Krzysztof P Rykaczewski Distinguished Senior Researcher Contact rykaczewskik@ornl.gov | 865.576.2636 All Publications First β-decay spectroscopy of 135In and new β-decay branches of 134In... Levels in Cd125 populated by the β decay of Ag125m and Ag125... A novel experimental system for the KDK measurement of the 40K decay scheme relevant for rare event searches... β-delayed neutron emission of r-process nuclei at the N = 82 shell closure... Development of a Reference Database for Beta-Delayed Neutron Emission Long-lived isomeric states and quasiparticle band structures in neutron-rich 162,164Gd nuclei from β decay... Search for elements 119 and 120 New transitions and levels for 163Tb obtained from β-decay studies... Mapping of fragmented ν f5/2 → π f7/2 transitions in the 73Co→ 73Ni decay... Study of Quasielastic Barrier Distributions as a Step towards the Synthesis of Superheavy Elements with Hot Fusion Reactions... The Nab experiment: A precision measurement of unpolarized neutron beta decay... Strong one-neutron emission from two-neutron unbound states in β decays of the r-process nuclei 86,87Ga... Search for α decay of 104Te with a novel recoil-decay scintillation detector... Observation of a μs isomer in 134 49In85: Proton-neutron coupling “southeast” of 132 50Sn82... Segmented YSO scintillation detectors as a new 𝛽-implant detection tool for decay spectroscopy in fragmentation facilities... Commissioning of the BRIKEN detector for the measurement of very exotic 𝛽-delayed neutron emitters... The ORNL analysis technique for extracting β-delayed multi-neutron branching ratios with BRIKEN Low-lying states in 219Ra and 215Rn: Sampling microsecond α-decaying nuclei... Updated β-decay measurement of neutron-rich 74Cu... Search for the heaviest atomic nuclei among the products from reactions of mixed-Cf with a 48Ca beam... Search for the heaviest atomic nuclei among the products from reactions of mixed-Cf with a 48Ca beam β-delayed neutron emission from 85Ga... Neutron-deficient superheavy nuclei obtained in the 240Pu + 48Ca reaction... The BRIKEN Project: Extensive Measurements of β-delayed Neutron Emitters for the Astrophysical r Process... Neutron decay correlations in the Nab experiment Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Page 3 … Next page ›› Last page Last » Key Links ORCID Organizations Physical Sciences Directorate Physics Division Nuclear Science and Advanced Technology Section Nuclear Structure and Nuclear Astrophysics Group