E1 and E2 cross sections of the {sup 12}C({alpha},{gamma}){sup 16}O reaction at E{sub cm}{approx}1.4 Mev using pulsed {alpha} beams
- Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195 (Japan)
- RIKEN, Wako, Saitama 351-0198 (Japan)
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047 (Japan)
- Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, Meguro, Tokyo 152-8550 (Japan)
We have installed a new system to measure the {gamma}-ray angular distribution of the {sup 12}C({alpha},{gamma}){sup 16}O reaction at the 3.2 MV Pelletron accelerator laboratory at Tokyo Institute of Technology to accurately determine the E1 and E2 cross sections. In this experiment, we used high efficiency anti-Compton NaI(T1) spectrometers to detect a {gamma}-ray from the reaction with a large S/N ratio, intense pulsed {alpha} beams to discriminate true events from neutron induced background with a time-of-flight (TOF) method, and the monitoring system of target thickness. We succeeded in removing a background due to neutrons and could clearly detect the {gamma}-ray from the {sup 12}C({alpha},{gamma}){sup l6}O reaction with high statistics.
- OSTI ID:
- 21143469
- Journal Information:
- AIP Conference Proceedings, Vol. 1016, Issue 1; Conference: 10. international symposium on origin of matter and evolution of galaxies: From the dawn of Universe to the formation of solar system, Sapporo (Japan), 4-7 Dec 2007; Other Information: DOI: 10.1063/1.2943575; (c) 2008 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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