Measurement of β<SUP>+</SUP> Delay Proton Decay of <SUP>23</SUP>Al

WANG Hong-Wei; JIN Gen-Ming; Wu He-Yu; ZHANG Bao-Guo; XIAO Zhi-Gang; DUAN Li-Min; WEI Zhi-Yong; LI Zu-Yu; LU Zhao-Hui; LIU Yong-Ying; CHEN Ke-Liang; HU Rong-Jiang; ZHU Hai-Dong; CEN Ling; WANG Su-Fang; LI Xiang-Qing; CHEN Tao; HUA Hui

Chinese Physics C> 2001, Vol. 25> Issue(10) : 971-976

Measurement of β⁺ Delay Proton Decay of ²³Al

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

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The β⁺ delay proton decay spectrum has been measured with TOF-ΔE method and zero degree detectors at the radioactive ion beam line in Lanzhou. The half life of 23 Al was determined to be T_1/2=(476±45)ms by using a time scaler cornbined with the precision pulse generator, which is consistent with the other group's result of (470±30)ms. The known β⁺ delay protons at E_d=0.216,0.278,0.438,0.479MeV have been observed in the experiment. A new energy level of23Mg at E_x=8.916MeV was found in the β⁺ delay proton decay of 23 Al, and their relative intensity was also determined.

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WANG Hong-Wei, JIN Gen-Ming, Wu He-Yu, ZHANG Bao-Guo, XIAO Zhi-Gang, DUAN Li-Min, WEI Zhi-Yong, LI Zu-Yu, LU Zhao-Hui, LIU Yong-Ying, CHEN Ke-Liang, HU Rong-Jiang, ZHU Hai-Dong, CEN Ling, WANG Su-Fang, LI Xiang-Qing, CHEN Tao and HUA Hui. Measurement of β⁺ Delay Proton Decay of ²³Al[J]. Chinese Physics C, 2001, 25(10): 971-976.

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Received: 2000-09-21
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Measurement of β⁺ Delay Proton Decay of ²³Al

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Measurement of β+ Delay Proton Decay of 23Al

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Measurement of β⁺ Delay Proton Decay of ²³Al

Measurement of β⁺ Delay Proton Decay of ²³Al