First Elastic Scattering Measurement of 8Li on 209Bi at the Australian National University

C. Sengupta, I. P. Carter, K. J. Cook, E. C. Simpson, M. Dasgupta, D. J. Hinde, D. Y. Jeung, Sunil Kalkal, K. Vo-Phuoc, E. Prasad, D. Rafferty, C. Simenel, E. Williams

    Research output: Contribution to journalConference articlepeer-review


    The effects of unusual structures of nuclei, such as neutron halos, on nuclear reaction mechanisms are not well understood, particularly at near barrier energies. Using the SOLEROO Radioactive Ion Beam facility at the Australian National University, below-barrier reactions with 8Li incident on 209Bi have been performed. Beam purities of about 95% are achieved by rejecting unwanted beam species using a solenoidal separator along with tracking and tagging the secondary beam with two parallel plate avalanche counters (PPACs) placed immediately after the solenoid. However, the radioactive ion beam exiting the solenoid is not parallel to the primary beam axis. To obtain a precise angular distribution of elastic scattering, the tracking facility is used to deduce the true scattering angle on an event-by-event basis. The elastic cross-section for 8Li on 209Bi is then extracted, verifying the capability of the facility to perform precise cross-section measurements.

    Original languageEnglish
    Article number00052
    JournalEPJ Web of Conferences
    Publication statusPublished - 22 Nov 2017
    EventFUSION 2017 - Hobart, Australia
    Duration: 20 Feb 201724 Feb 2017


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