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Makii, Hiroyuki; Ueda, Hitoshi*; Temma, Yasuyuki*; Nagai, Yasuki*; Shima, Tatsushi*; Fujimoto, Shinya*; Segawa, Mariko; Mishima, Kenji*; Nishiyama, Jun*; Igashira, Masayuki*
AIP Conference Proceedings 1269, p.283 - 288, 2010/10
Times Cited Count:0 Percentile:0.00(Astronomy & Astrophysics)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.
Hajima, Ryoichi; Kando, Masaki; Shizuma, Toshiyuki; Hayakawa, Takehito; Ogaki, Hideaki*; Daito, Izuru*; Negm, H.*; Hori, Toshitada*; Fujimoto, Shinya*; Sakai, Fumio*
no journal, ,
no abstracts in English