Center for Quantum Electronics | University of Texas at Dallas |
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Synchrotron | ![]() SPring-8, Hyogo, JAPAN |
![]() APS, Argonne, USA |
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X-ray spectrum | Narrowband tunable; DE = 0.5 eV | "White"; DE = ~50,000 eV | ||
Target parentage |
Virgin 75% of 1979 LANL spallation |
Unknown beamstop |
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Team |
"Texas Group:" 15 scientists from 8 Labs in 5 Countries |
"Argonne Consortium:" 15 scientists from 3 Labs in the US |
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Result |
All previous positive results CONFIRMED; 0.2% branch of photoionization at L1 and L3 ionization edges causes decay of isomeric state. |
Totally negative results; all published positive reports CONTRADICTED. |
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Reference |
Europhys. Lett. 57, 677 (2002) |
PRL 87, 072503 (2001) |
Please send comments and recommended revisions to:C.B. Collins