Study of Astrophysical Nuclear Reaction on Beijing Secondary Beam Line GIRAFFE

LIU Wei-Ping; BAI Xi-Xiang; WANG You-Bao; LI Zhi-Hong; LIAN Gang; LI Zhi-Chang; GUO Gang; JIANG Li-Yang; LU Shao-Jun; FU Chang-Bo; CHEN Yong-Shou

Chinese Physics C> 2000, Vol. 24> Issue(S1) : 6-8

Study of Astrophysical Nuclear Reaction on Beijing Secondary Beam Line GIRAFFE

China Institute of Atomic Energy,Beijing 102413,China

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The ¹¹C(p,γ)¹²N reaction is one of the key processes in hot pp chains.We have carried out a measurement of ¹¹C(d,n)¹²N reaction.The ¹¹C beam was produced with the secondary beam facility GIRAFFE.The angular distribution was measured and used to deduce ANC through DWBA analysis.We are performinga microscopic study to get the astrophysical S-factor of ¹¹C(p,γ)¹²N reaction from ANC square constant of 3.5±1.5.This result implies that the direct contribution to (p,γ) reaction is not negligible.

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LIU Wei-Ping, BAI Xi-Xiang, WANG You-Bao, LI Zhi-Hong, LIAN Gang, LI Zhi-Chang, GUO Gang, JIANG Li-Yang, LU Shao-Jun, FU Chang-Bo and CHEN Yong-Shou. Study of Astrophysical Nuclear Reaction on Beijing Secondary Beam Line GIRAFFE[J]. Chinese Physics C, 2000, 24(S1): 6-8.

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Received: 1900-01-01
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of Astrophysical Nuclear Reaction on Beijing Secondary Beam Line GIRAFFE

Corresponding author: LIU Wei-Ping,

China Institute of Atomic Energy,Beijing 102413,China

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 2000-07-15

Abstract: The ¹¹C(p,γ)¹²N reaction is one of the key processes in hot pp chains.We have carried out a measurement of ¹¹C(d,n)¹²N reaction.The ¹¹C beam was produced with the secondary beam facility GIRAFFE.The angular distribution was measured and used to deduce ANC through DWBA analysis.We are performinga microscopic study to get the astrophysical S-factor of ¹¹C(p,γ)¹²N reaction from ANC square constant of 3.5±1.5.This result implies that the direct contribution to (p,γ) reaction is not negligible.

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Study of Astrophysical Nuclear Reaction on Beijing Secondary Beam Line GIRAFFE

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