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Forsberg, U.*; Rudolph, D.*; Andersson, L.-L.*; Di Nitto, A.*; Dllmann, Ch. E.*; Fahlander, C.*; Gates, J. M.*; Golubev, P.*; Gregorich, K. E.*; Gross, C. J.*; et al.
Nuclear Physics A, 953, p.117 - 138, 2016/09
Times Cited Count:41 Percentile:94.18(Physics, Nuclear)Alpha-decay chains observed in the element-115 production reactions of Ca +
Am were investigated using a new data set consisting of our recently reported data obtained at GSI and previously reported ones at Dubna and LBNL. Short decay chains of recoil-
-(
)-fission type, fourteen of which were observed, and some of which were interpreted as the 2-neutron evaporation products
Mc, have been reassigned. It is plausible that most of them were assigned to the 3-neutron evaporation products
Mc whose decay chain would on the way have branches of EC decays followed by fission.
Rudolph, D.*; Forsberg, U.*; Golubev, P.*; Sarmiento, L. G.*; Yakushev, A.*; Andersson, L.-L.*; Di Nitto, A.*; Dllmann, Ch. E.*; Gates, J. M.*; Gregorich, K. E.*; et al.
Journal of Radioanalytical and Nuclear Chemistry, 303(2), p.1185 - 1190, 2015/02
Times Cited Count:7 Percentile:54.12(Chemistry, Analytical)Thirty correlated -decay chains of element 115 were observed, which were consistent with previous observations interpreted as the decay chain of
115. GEANT4 Monte-Carlo simulations were performed to reproduce high-resolution
-photon coincidence results, which allows one to propose Q
values and excitation schemes of the superheavy nuclei with unprecedented precision.
Forsberg, U.*; Rudolph, D.*; Golubev, P.*; Sarmiento, L. G.*; Yakushev, A.*; Andersson, L.-L.*; Di Nitto, A.*; Dllmann, Ch. E.*; Gates, J. M.*; Gregorich, K. E.*; et al.
EPJ Web of Conferences, 66, p.02036_1 - 02036_4, 2014/03
Times Cited Count:7 Percentile:89.61A focal-plane Si detector setup applied to the spectroscopy of the element 115 -decay chains was reported. Results of the digital signal analysis for preamplifier signals and of the event-by-event
-energy loss correction analysis were presented. The detectors consist of five double-sided Si strip detectors (DSSSD) arranged as a box, and signals from one side of the detector at the bottom of the box were digitally processed. Energy losses of
particles detected by two Si detectors at the bottom and a side differs event-by-event, because each
particle passed through two dead layers with a certain tilted angle. By correcting for the energy loss of each
event using the angle of the
-particle emission extracted from the detected positions, we succeeded in improving the
energy resolution significantly.
Rudolph, D.*; Forsberg, U.*; Golubev, P.*; Sarmiento, L. G.*; Yakushev, A.*; Andersson, L.-L.*; Di Nitto, A.*; Dllmann, Ch. E.*; Gates, J. M.*; Gregorich, K. E.*; et al.
Acta Physica Polonica B, 45(2), p.263 - 272, 2014/02
Times Cited Count:22 Percentile:76.42(Physics, Multidisciplinary)Produced in the reaction of Ca beam with an
Am target, thirty correlated
-decay chains were observed. Observed decay chains are consistent with a previously reported decay chain, which confirms the identification of the element 115. In addition, an
-photon coincidence measurement was performed, and
rays as well as X-ray candidates were observed in this decay chain. The
-ray observation in the heaviest region of superheavy nuclei brings a big progress in the superheavy nuclear structure studies.
Rudolph, D.*; Forsberg, U.*; Golubev, P.*; Sarmiento, L. G.*; Yakushev, A.*; Andersson, L. L.*; Di Nitto, A.*; Dllmann, Ch. E.*; Gates, J. M.*; Gregorich, K. E.*; et al.
Physical Review Letters, 111(11), p.112502_1 - 112502_5, 2013/09
Times Cited Count:122 Percentile:96.6(Physics, Multidisciplinary)Roach, C. M.*; Walters, M.*; Budny, R. V.*; Imbeaux, F.*; Fredian, T. W.*; Greenwald, M.*; Stillerman, J. A.*; Alexander, D. A.*; Carlsson, J.*; Cary, J. R.*; et al.
Nuclear Fusion, 48(12), p.125001_1 - 125001_19, 2008/12
Times Cited Count:34 Percentile:28.57(Physics, Fluids & Plasmas)This paper documents the public release PR08 of the International Tokamak Physics Activity profile database, which should be of particular interest to the magnetic confinement fusion community. Data from a wide variety of interesting discharges from many of the world's leading tokamak experiments are now made available in PR08, which also includes predictive simulations of an initial set of operating scenarios for ITER. In this paper we describe the discharges that have been included and the tools that are available to the reader who is interested in accessing and working with the data.