NEW TECHNIQUE FOR A SIMULTANEOUS ESTIMATION OF THE LEVEL DENSITY AND RADIATIVE STRENGTH FUNCTIONS OF DIPOLE TRANSITIONS AT Eex ≤ Bn –0,5 МэВ

Authors & Affiliations

Khitrov V.A., Sukhovoj A.M.
Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russia

Abstract

The new, model-independent method to estimate simultaneously the level densities excited in the (n,γ) reaction and the radiative strength functions of dipole transitions is developed. The method can be applied for any nucleus and reaction followed by cascade γ-emission. It is just necessary to measure the intensities of two-step γ-cascades depopulating one or several high-excited states and determine the quanta ordering in the main portion of the observed cascades. The method provides a sufficiently narrow interval of most probable densities of levels with given Jπ and radiative strength functions of dipole transitions populating them.

Keywords
model-independent method, level densities, (n,γ) reaction, radiative strength functions, dipole transitions

Article Text (PDF, Translated by IAEA)

References

UDC 539.172

Problems of Atomic Science and Technology. Series: Nuclear Constants", issue 2, 2001