Abstract
Theβ − — andγ-activities of 18.4 min104Tc have been studied with singles and coincidence measurements. Sources were prepared by chemical separation of technetium from the fission products of thermal-neutron-induced fission of235U. A revised level scheme of104Ru up to an excitation energy of 4.26 MeV is proposed. Fromβ-γ coincidence measurements, aQ β-value of 5.62±0.07 MeV has been obtained.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Hsu, H.H., Williams, S.A., Wohn, F.K., Margetan, F.J.: Phys. Rev. C16, 1626 (1977)
Nuclear Data Sheets, ed. Nucl. Data Group, Oak Ridge Nat. Lab., Oak Ridge, Tennessee
McGowan, F.K., Robinson, R.L., Stelson, P.H., Milner, W.T.: Nucl. Phys. A113, 529 (1968)
Rekstad, J., Tjøm, P.O.: J. Phys. G3, 411 (1977)
Nolan, M.F., Hall, I., Thomas, D.J., Throop, M.J.: J. Phys. A6, L57 (1973)
Sümmerer, K., Kaffrell, N., Trautmann, N.: In preparation
Kienle, P., Wien, K., Zahn, U., Weckermann, B.: Z. Physik176, 226 (1963)
Zander, A.R., Grey, P.R., Ebrey, T.G.: Nucl. Phys.75, 209 (1966)
Pinston, J.A., Blachot, J., Schussler, F.: Nucl. Phys. A157, 323 (1970)
Tivin, P.J., Schulte, R.L., Taylor, H.W.: Z. Physik A273, 339 (1975)
Wapstra, A.H., Bos, K.: At. Data and Nucl. Data Tables17, 474 (1976)
Trautmann, N., Kaffrell, N., Behlich, H.W., Folger, H., Herrmann, G., Hübscher, D., Ahrens, H.: Radiochim. Acta18, 86 (1972)
Sümmerer, K., Tharun, U., Wirth, G.: Ann. Reports. Inst. f. Kernchemie, Mainz (1975, 1976)
D'Auria, J.M., Grüter, J.W., Westgaard, L., Nyman, G., Peuser, P., Roeckl, E., Otto, H.: Proc. 3.Int. Conf. on Nuclei far from Stability, Cargèse (1976), p. 100
Wright, J.F., Talbert, W.L., Voigt, A.F.: Phys. Rev. C12, 572 (1975)
Sümmerer, K., Kaffrell, N., Trautmann, N.: Z. Physik A273, 77 (1975)
Aras, N.K., Walters, W.B.: Phys. Rev. C11, 927 (1975)
Wapstra, A.H., Bos, K.: At. Data and Nucl. Data Tables19, 175 (1977)
Nyman, G., Otto, H., Peuser, P., Roeckl, E.: In preparation
Wolfsberg, K., Duke, C: Private communications
Gove, N.B., Martin, M.J.: Nucl. Data Tables A10, 205 (1971)
Raman, S., Gove, N.B.: Phys. Rev. C7, 1995 (1973)
Hrastnik, B., Seyfarth, H., Hassan, A.M., Delang, W., Göttel, P.: Nucl. Phys. A219, 381 (1974)
Author information
Authors and Affiliations
Additional information
This work comprises parts of the doctoral dissertations of K. Sümmerer, H. Otto and P. Peuser, to be submitted to Johannes Gutenberg-Universität, Mainz
The authors wish to thank Dr. E. Roeckl for helpful discussions. The assistance of Dr. G. Nyman during the course of theβ-ray measurements is greatly appreciated. We are grateful to R. Heimann and U. Knitz for their assistance during the chemical separations and U. Tharun as well as the technical staff of the Mainz TRIGA reactor for their continuous cooperation. This work has been financially supported by the Bundesministerium für Forschung und Technologie.
Rights and permissions
About this article
Cite this article
Sümmerer, K., Kaffrell, N., Otto, H. et al. Levels in104Ru populated by the β−-decay of104Tc. Z Physik A 287, 287–297 (1978). https://doi.org/10.1007/BF01481709
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01481709