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Title:
Independent Verification of Element 114 Production in the Ca48+Pu242 Reaction
Authors:
Stavsetra, L.; Gregorich, K. E.; Dvorak, J.; Ellison, P. A.; Dragojevic, I.; Garcia, M. A.; Nitsche, H.
Affiliation:
AA(Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA), AB(Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA), AC(Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA), AD(Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA; Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, USA), AE(Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA; Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, USA), AF(Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA; Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, USA), AG(Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA; Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, USA)
Publication:
Physical Review Letters, vol. 103, Issue 13, id. 132502 (PhRvL Homepage)
Publication Date:
09/2009
Origin:
APS
Keywords:
220&lt, =A
PACS Keywords:
220<, =A
DOI:
10.1103/PhysRevLett.103.132502
Bibliographic Code:
2009PhRvL.103m2502S

Abstract

Independent verification of the production of element 114 in the reaction of 244-MeV Ca48 with Pu242 is presented. Two chains of time- and position-correlated decays have been assigned to 128614 and 128714. The observed decay modes, half-lives, and decay energies agree with published results. The measured cross sections at a center-of-target energy of 244 MeV for the Pu242(Ca48,3-4n)1287,28614 reactions were 1.4-1.2+3.2pb each, which are lower than the reported values.
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