EPJ Web of Conferences
Volume 69, 2014CNR*13 - Fourth International Workshop on Compound Nuclear Reactions and Related Topics
|Number of page(s)||8|
|Published online||01 April 2014|
Spallation of 197Au with 4.4-GeV deuterons
1 Instituto de Fisica, Universidade de São Paulo, P. O. Box 66318, 05389-970 São Paulo, SP, Brazil
2 Yerevan State University, Alex Manoogian 1, Yerevan 0025, Armenia
3 Yerevan Physics Institute, Alikhanyan Brothers 2, Yerevan 0036, Armenia Joint Institute for Nuclear Research (JINR), Flerov Laboratory of Nuclear Reactions (LNR), Joliot-Curie 6, Dubna 141980, Moscow, Russia
Published online: 1 April 2014
A comprehensive set of 110 radioactive nuclide cross sections with mass numbers 22 ≤ A ≤ 198 amu in the interaction of 4.4-GeV deuterons with 197Au have been measured for the first time. The results including charge distributions have been parameterized in term of a 3-parameter equation in order to reproduces the isobaric distributions. Using data from the charge distributions, the total mass-yield distribution was obtained. The new experimental data of the recoil properties of reaction products were also obtained. Kinematical characteristics of the reaction products obtained from measurements of the residuals emitted in the forward and backward directions exhibit different behavior depending on the mass region. The kinematical features of reaction products have been analyzed on the basis of the two-step model of high-energy nuclear reactions and discussed in terms of the different reaction mechanisms.
© Owned by the authors, published by EDP Sciences, 2014
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