EPJ Web of Conferences
Volume 63, 2013Heavy Ion Accelerator Symposium 2013
|Number of page(s)||4|
|Published online||19 December 2013|
Breakup mechanisms for 7Li + 197Au, 204Pb systems at sub-barrier energies
1 Department of Nuclear Physics, The Australian National University, ACT 0200, Australia
2 Nuclear Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
3 ECT*, Villa Tambosi, I-38123 Villazzano, Trento, Italy
a e-mail: firstname.lastname@example.org
Published online: 19 December 2013
Coincidence measurements of breakup fragments were carried out for the 7Li + 197Au and 204Pb systems at sub-barrier energies. The mechanisms triggering breakup, and time-scales of each process, were identified through the reaction Q-values and the relative energy of the breakup fragments. Binary breakup of 7Li were found to be predominantly triggered by nucleon transfer, with p-pickup leading to 8Be → α + α decay being the preferred breakup mode. From the time-scales of each process, the coincidence yields were separated into prompt and delayed components, allowing the identification of breakup process important in the suppression of complete fusion of 7Li at above-barrier energies.
Present address: School of Electrical, Electronic and Computer Engineering, The University of Western Australia, Perth, WA 6009, Australia
© Owned by the authors, published by EDP Sciences, 2013
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