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NSR database version of May 3, 2024.

Search: Author = F.Dellinger

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2011DE03      Phys.Rev. C 83, 015801 (2011)

F.Dellinger, W.Kutschera, O.Forstner, R.Golser, A.Priller, P.Steier, A.Wallner, G.Winkler

Upper limits for the existence of long-lived isotopes of roentgenium in natural gold

ATOMIC MASSES ^{261,265,289,290,291,292,293,294,295,296}Rg; measured abundance in natural gold using accelerator mass spectrometry (AMS). No events observed for ²⁶¹Rg and ²⁶⁵Rg, not confirming a positive identification in another recent study. No events observed for ^{289,290,292,293,295,296}Rg. Two and nine events recorded apparently for ²⁹¹Rg and ²⁹⁴Rg, respectively could be explained otherwise, thus making positive identification for Rg unlikely. Upper limits established in the range of 10₁₆.

doi: 10.1103/PhysRevC.83.015801
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2011DE21      Phys.Rev. C 83, 065806 (2011)

F.Dellinger, O.Forstner, R.Golser, A.Priller, P.Steier, A.Wallner, G.Winkler, W.Kutschera

Ultrasensitive search for long-lived superheavy nuclides in the mass range A=288 to A=300 in natural Pt, Pb, and Bi

ATOMIC MASSES ^{288,289,290,291,292,293,294,295}Ds, ^{292,293,294,295,296,297,298,299}Fl, ^{293,294,295,296,297,298,299,300}Mc; measured abundance in natural platinum, lead, and bismuth samples using accelerator mass spectrometry (AMS) technique. Comparison with previous data. Ultrasensitive search for SHE in natural Pt, Pb and Bi samples proved negative with upper limits established.

doi: 10.1103/PhysRevC.83.065806
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