Excitation ofTem123andTem125through (γ,γ’) reactions

Autor:	Peter von Neumann-Cosel, C. Spieler, D. G. Richmond, James Carroll, Achim Richter, Carl B. Collins, N. Huxel, M. Huber, W. Ziegler, K. N. Taylor, T. W. Sinor
Rok vydání:	1991
Předmět:	Photoexcitation Physics Nuclear reaction Excitation function Nuclear and High Energy Physics Crystallography Scattering TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY Bremsstrahlung Inelastic scattering Atomic physics Energy (signal processing) Excitation
Zdroj:	Physical Review C. 43:897-900
ISSN:	1089-490X 0556-2813
DOI:	10.1103/physrevc.43.897
Popis:	Photoexcitation of the long-lived isomers {sup 123}Te{sup {ital m}}, {ital T}{sub 1/2}=119.7 d, and {sup 125}Te{sup {ital m}}, {ital T}{sub 1/2}=58 d, was produced with bremsstrahlung from the superconducting Darmstadt linear accelerator. The excitation function for the reaction {sup 123}Te({gamma},{gamma}{prime}){sup 123}Te{sup {ital m}} was measured between 2 and 6 MeV. It indicated that the isomer was populated by resonant absorption through isolated intermediate states having integrated cross sections in excess of 10{sup {minus}26} cm{sup 2} keV, i.e., values about 100 times larger than most ({gamma},{gamma}{prime}) activation reactions reported previously. An excitation function was also obtained for the reaction {sup 125}Te({gamma},{gamma}{prime}){sup 125}Te{sup {ital m}} in this energy range.
Databáze:	OpenAIRE
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