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

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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.
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. shu
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Received: 2002-01-17
Revised: 1900-01-01
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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

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 T1/2=(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 Er=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 Ex=8.916MeV,and their relative intensity also been obtained.

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