Relativistic effects in ternary fission
Faculté des Sciences, 06108, Nice cedex 2, France
2 INFN, Laboratori Nazionali di Legnaro e Dipartimento di Fisica, Universitá di Padova, Padova, Italy
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Relativistic effects can explain the energy shift of - 6 keV reported by Ramayya et al. for the -ray de-exciting the first 2 + state, at 3368.03 keV, of the 10Be cluster emitted together with the fragments 146Ba and 96Sr in the ternary fission of 252Cf; the calculated shift is equal to -6.14 (0.16) keV. An explanation is presented for the apparent absence of Doppler broadening. For the configurations 138Xe-104Zr-10Be and 136Te-106Mo-10Be, recently reported by Hamilton et al. , observable shifts of the 3367.43 keV -line are predicted.
© Società Italiana di Fisica and Springer-Verlag, 2004