Experimental Study on <SUP>22</SUP>Na(p,γ)<SUP>23</SUP>Mg Reaction

WANG Hong-Wei; JIN Gen-Ming; WU He-Yu; XIAO Zhi-Gang; ZHANG Bao-Guo; DUAN Li-Min; WEI Zhi-Yong; LI Zu-Yu; HU Rong-Jiang; LIU Yong-Ying; LU Zhao-Hui; CHEN Ke-Liang

Chinese Physics C> 2002, Vol. 26> Issue(11) : 1117-1124

Experimental Study on ²²Na(p,γ)²³Mg Reaction

Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China2 Department of Technical Physics,Beijing University,Beijing 100871,China

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Abstract：
The reaction of ²²Na(p,γ)²³Mg has been investigated at the Radioactive Ion Beam Line in Lanzhou(RIBLL) using a radioactive beam ²³Al. The β⁺ delayed proton decay spectrum has been measured with the TOF-ΔE method and zero degree detectors. The half life of ²³Al is determined to be T_1/2=(476±45)ms by using a time scaler combined with the precision pulse generator,which is consistent with the other group's result of (470±30)ms. The known β⁺ delayed protons at E_r=0.216,0.278,0.438,0.479MeV have also observed in the experiment. The resonance strength of isospin analog state (IAS) is calculated. The resonance intensity of IAS is (11.4±6.0)meV. A new energy level of β⁺ delayed proton decay has been identified at E_x=8.916MeV,and their relative intensity also been obtained.

References

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WANG Hong-Wei, JIN Gen-Ming, WU He-Yu, XIAO Zhi-Gang, ZHANG Bao-Guo, DUAN Li-Min, WEI Zhi-Yong, LI Zu-Yu, HU Rong-Jiang, LIU Yong-Ying, LU Zhao-Hui, CHEN Ke-Liang, Experimental Study on ²²Na(p,γ)²³Mg Reaction[J]. Chinese Physics C, 2002, 26(11): 1117-1124.

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Received: 2002-01-17
Revised: 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

Experimental Study on ²²Na(p,γ)²³Mg Reaction

Corresponding author: WANG Hong-Wei,

Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China2 Department of Technical Physics,Beijing University,Beijing 100871,China

Received Date: 2002-01-17

Accepted Date: 1900-01-01

Available Online: 2002-11-05

Abstract: The reaction of ²²Na(p,γ)²³Mg has been investigated at the Radioactive Ion Beam Line in Lanzhou(RIBLL) using a radioactive beam ²³Al. The β⁺ delayed proton decay spectrum has been measured with the TOF-ΔE method and zero degree detectors. The half life of ²³Al is determined to be T_1/2=(476±45)ms by using a time scaler combined with the precision pulse generator,which is consistent with the other group's result of (470±30)ms. The known β⁺ delayed protons at E_r=0.216,0.278,0.438,0.479MeV have also observed in the experiment. The resonance strength of isospin analog state (IAS) is calculated. The resonance intensity of IAS is (11.4±6.0)meV. A new energy level of β⁺ delayed proton decay has been identified at E_x=8.916MeV,and their relative intensity also been obtained.

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Experimental Study on ²²Na(p,γ)²³Mg Reaction