Chinese Physics C > 2008, Vol. 32 > Issue(S2): 174-176

Magnetic moment measurements of mirror nuclei¹²B and¹²N

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Abstract：
The spin polarized β-emitting mirror nuclei¹²B(I^π=1⁺,T_1/2=20.18 ms) and¹²N(I^π=1⁺,T_1/2=11 ms) are produced by the low nuclear reactions¹¹B(d, p)¹²B and¹⁰B(³He,n)¹²N and by selecting the projectile energy and the recoil angle. Their magnetic moments are measured by the β-NMR technique. The magnetic moments obtained after Knight shift correction are μ(¹²B)=1.001(17) μ_Nand μ(¹²N)=0.4571(1) μ_N. The calculation using the existing shell model could not reproduce the measured magnetic moments for¹²B and¹²N simultaneously.

References

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ZHENG Yong-Nan, ZHOU Dong-Mei, YUAN Da-Qing, ZHANG Xi-Zhen, ZUO Yi, XU Yong-Jun, ZHU Jia-Zheng, WANG Zhi-Qiang, LUO Hai-Long, FAN Ping and ZHU Sheng-Yun. Magnetic moment measurements of mirror nuclei ¹²B and ¹²N[J]. Chinese Physics C, 2008, 32(S2): 174-176.

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Received: 2008-07-17
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

Magnetic moment measurements of mirror nuclei¹²B and¹²N

Corresponding author:ZHENG Yong-Nan,

Received Date:2008-07-17
Accepted Date:1900-01-01
Available Online:2008-01-03

Abstract:The spin polarized β-emitting mirror nuclei¹²B(I^π=1⁺,T_1/2=20.18 ms) and¹²N(I^π=1⁺,T_1/2=11 ms) are produced by the low nuclear reactions¹¹B(d, p)¹²B and¹⁰B(³He,n)¹²N and by selecting the projectile energy and the recoil angle. Their magnetic moments are measured by the β-NMR technique. The magnetic moments obtained after Knight shift correction are μ(¹²B)=1.001(17) μ_Nand μ(¹²N)=0.4571(1) μ_N. The calculation using the existing shell model could not reproduce the measured magnetic moments for¹²B and¹²N simultaneously.