Measurement of E1 and E2 cross sections of {sup 12}C({alpha},{gamma}){sup 16}O using pulsed {alpha} beams

Journal Article · Mon May 04 04:00:00 EDT 2009 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3141663· OSTI ID:21304791

Makii, H ^[1]; Nagai, Y ^[2]; Mishima, K ^[3]; Segawa, M ^[4]; Shima, T; Ueda, H ^[5]; Igashira, M ^[6]

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1. Institute for nuclear and particle physics, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801 (Japan)
2. Division of Nuclear Data and Reactor Engineering, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195 (Japan)
3. Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801 (Japan)
4. Quantum Beam Science Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195 (Japan)
5. Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047 (Japan)
6. Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, Meguro, Tokyo 152-8550 (Japan)

We have measured the {gamma}-ray angular distribution of the {sup 12}C({alpha},{gamma}){sup 16}O reaction at a center-of-mass energy of E{sub cm} 1.6 MeV and E{sub cm} = 1.4 MeV. In this experiment, we used high efficiency anti-Compton NaI(Tl) 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 by using a time-of-flight (TOF) method, and the monitoring system of target thickness. We could pick up true events from the reaction free from intense neutron background with high statistics.

• OSTI ID: 21304791
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1120; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
ANGULAR DISTRIBUTION
CARBON 12 TARGET
CROSS SECTIONS
E1-TRANSITIONS
E2-TRANSITIONS
GAMMA RADIATION
GAMMA SPECTROSCOPY
MEV RANGE
NAI DETECTORS
NUCLEAR ELECTRIC MOMENTS
OXYGEN 16
TIME-OF-FLIGHT METHOD