and 
cross sections of the 
C(
,
)
O reaction at 
1.2 MeV using pulsed beamsMakii, Hiroyuki 
; Ueda, Hitoshi*; Temma, Yasuyuki*; Nagai, Yasuki*; Shima, Tatsushi*; Fujimoto, Shinya*; Segawa, Mariko ; Mishima, Kenji*; Nishiyama, Jun*; Igashira, Masayuki*
The C(,)O reaction cross section plays an important role in stellar evolution at the stage of helium-burning. However, the cross section at low energy still has a large uncertainty mainly due to the poor determination of the ratio of cross section to one. Hence, we have installed new system to make a precise measurement of the cross section. In this experiment, we used the high efficiency anti-Compton NaI(Tl) spectrometers with a large S/N ratio, an intense pulsed beams, and the monitoring system of target thickness. With use of the system we succeeded in removing a background due to neutron and could clearly detect the -ray from the C(,)O reaction with high statistics. We determined the and cross section down to 
1.2 MeV, and thus obtained results are compared to recent theoretical calculations.
Language |
: | English |
|---|---|---|
Journal |
: | |
Volume |
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Number |
: | |
Pages |
: | p.283 - 288 |
Publication Year/Month |
: | 2010/10 |
Meeting title |
: | 10th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG '10) |
Held date |
: | 2010/03 |
Location (city) |
: | Ibaraki |
Location (country) |
: | Japan |
Paper URL |
: |
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Keywords |
: | no keyword |
Research Facility |
: |
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: |
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Percentile:0.02 Category:Astronomy & Astrophysics |
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