LOW-ENERGY $gamma$ RADIATION IN THE CAPTURE OF THERMAL NEUTRONS BY RHODIUM (in German)
Journal Article
·
· Zeitschrift fuer Naturforschung (West Germany) Divided into Z. Nautrforsch., A, and Z. Naturforsch., B: Anorg. Chem., Org. Chem., Biochem., Biophys.,
OSTI ID:4832392
The low-energy cspture gamma -ray spectrum of Rh/sup 104/ was investigated by means of a 4.6-m bent-crystal spectrometer in DuMond arramgement. For 39 gamma rays in the range from 20 to 400 kev, the energies and absolute intensities (relative to 100 neutron captures) were determined. An improved intensity calibration of the spectrometer showed the energy dependence of the integrated reflection coefficient for the (101) planes of the 3-mm thick quartz crystal in the second diffraction order to be E/sup -1.025 plus or minus 0.03/ in the energy range from 100 to 470 kev. Decay-time measurements showed that besides the well known 51.4 kev E1 gamma transition, a second transition with 97.1 kev also decays with the Rh/sup 104m/ half life of 4.4 min. This 97.1 kev gamma ray corresponds to the transition from the second excited Rh/sup 104/ level to the ground state. Several Ritz combinations confirm this conclusion and improve the low-energy level scheme of Rh/sup 104/. (auth)
- Research Organization:
- Technische Hochschule. Laboratorium fur Technische Physik, Munich
- NSA Number:
- NSA-16-023131
- OSTI ID:
- 4832392
- Journal Information:
- Zeitschrift fuer Naturforschung (West Germany) Divided into Z. Nautrforsch., A, and Z. Naturforsch., B: Anorg. Chem., Org. Chem., Biochem., Biophys.,, Journal Name: Zeitschrift fuer Naturforschung (West Germany) Divided into Z. Nautrforsch., A, and Z. Naturforsch., B: Anorg. Chem., Org. Chem., Biochem., Biophys., Vol. Vol: 17a; ISSN ZNTFA
- Country of Publication:
- Country unknown/Code not available
- Language:
- German
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