Abstract
The time-of-flight technique was used to measure the mass and kinetic energy distribution of fragments from fission of233U,235U and239Pu, induced by thermal neutrons at the Grenoble High Flux Reactor. The data array is presented as equal probability lines in the high kinetic energy regions. The fluctuations observed in those experimental lines are explained by a static scission configuration model, in which the most important influence comes from the Coulomb interaction energy between the two fragments. The highest values of total kinetic energy are obtained for fragmentations with heavy fragmentsZ=50–52,N=80–82 and light fragmentsZ=40–42,N=60–64.
Similar content being viewed by others
References
Theobald, J.B.: International Conference on Nuclear Data for Science and Technology, Antwerp (6–10 Sept., 1982)
Reisdorf, W.N., Unik, J.P., Glendenin, L.E.: Nucl. Phys. A205, 348 (1973)
Wahl, A.C., Norris, A.E., Rouse, R.A., Williams, J.C.: Proceedings of the IAEA Symposium on the Physics and Chemistry of Fission, Vienna, p. 813 (1969)
Clerc, H.-G., Lang, W., Wohlfarth, H., Schrader, H., Schmidt, K.-H.: Proceedings of the IAEA Symposium on the Physics and Chemistry of Fission, Julich, Vol. II, p. 65 (1979)
Lang, W., Clerc, H.-G., Wohlfarth, H., Schrader, H., Schmidt, K.-H.: Nucl. Phys. A345, 34 (1980)
Signarbieux, C., Montoya, M., Ribrag, M., Mazur, C., Guet, C., Perrin, P., Maurel, M.: J. Phys. (Paris) Lett.42, L437 (1981)
Montoya, M.: J. Phys. (Paris)44, 785 (1983)
Quade, U., Rudolph, K., Armbruster, P., Clerc, H.-G., Lang, W., Mutterer, M., Panicke, J., Schmitt, C., Theobald, J.P.: Dynamics of nuclear fission and related collective phenomena. Proceedings of the International Symposium on “NuclearFission and Related Collective Phenomena and Properties of Heavy Nuclei” Bad Honef, Germany, October 26–29, 1981. Lecture Notes in Physics. David, P., Mayer-Kuckuk, T., Woude, A. van der (eds.), Vol. 158. Berlin, Heidelberg, New York: Springer (1982)
Guet, C., Asghar, M., Perrin, P., Signarbieux, C.: Nucl. Instrum. Methods150, 189 (1978)
Schmitt, H.W., Gibson, W.M., Neiler, J.H., Walter, F.J., Thompson, T.D.: Proceedings of the IAEA Symposium on the Physics and Chemistry of Fission, Salzburg. Vol. I, p. 531 (1965)
Signarbieux, C., Ribrag, M., Nifenecker: Nucl. Phys. A99, 41 (1967)
Schmitt, H.W., Neiler, J.H., Walter, F.J.: Phys. Rev.141, 1146 (1966)
Garvey, G.T., Gerace, W.J., Jaffe, R.L., Talmi, I., Kelson, I.: Rev. Mod. Phys.41 (1969)
Bohn, H., Keinle, P., Protel, D., Hershberger, R.L.: Z. Phys. A — Atoms and Nuclei274, 327 (1975)
Jared, R.C., Nifenecker, H., Thompson, S.G.: Proceedings of the IAEA Symposium on the Physics and Chemistry of Fission, Rochester, Vol. II, p. 211 (1974)
Strutinsky, V.M.: Nucl. Phys. A95, 420 (1967)
Myers, W.D., Swiatecki, W.S.: Nucl. Phys.81, 1 (1966)
Nilsson, S.G.: Mat. Fys. Medd.29, Num. 16 (1968)
Bés, D.K.: Mat. Fys. Medd.33, Num. 2 (1961)
Signarbieux, C.: Journées d'Etudes sur la Fission, L'Alpe d'Huez (10-6-80)
Author information
Authors and Affiliations
Additional information
The experimental results which are presented in this study were obtained at the ILL, Grenoble, by C. Signarbieux, M. Montoya, M. Ribrag, C. Mazur, G. Guet, P. Perrin and M. Maurel. We should like to express our thanks for their fruitful collaboration.
Rights and permissions
About this article
Cite this article
Montoya, M. Mass and kinetic energy distribution in cold fission of233U,235U and239Pu induced by thermal neutrons. Z Physik A 319, 219–225 (1984). https://doi.org/10.1007/BF01415636
Received:
Revised:
Issue Date:
DOI: https://doi.org/10.1007/BF01415636