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Chinese Physics C> 2009, Vol. 33> Issue(S1) : 215-217 DOI: 10.1088/1674-1137/33/S1/069

Nuclear structure of proton-rich unstable nucleus 28P studied by g-factor measurement

  • Nuclear structure of proton-rich unstable nucleus 28P has been studied by measuring its g-factor for the first time. The g-factor of 28P (Iπ=3+, T1/2=270.3 ms) was measured by means of β-NMR technique combined with the new polarization technique for charge exchange reaction product in the intermediate energy heavy ion collisions. The obtained g-factor of g=0.1028(27) is very much quenched from the Schmidt value, but is well reproduced by the shell model (+0.102). In connection with the magnetic moment of the mirror partner and the β-ray transition probability, the orbital angular momenta and intrinsic spins of protons and neutrons have been determined as 〈lp〉=0.43(29), 〈ln〉=1.85(29), 〈Sp)=0.28(4), and 〈Sn〉=0.44(4).
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    [1] . Endt P M. Nucl. Phys. A, 1990, 521: 12. LIU Z H et al. P. R. C, 2004, 69: 0343263. Matsuta K et al. Hyper ne Interaction, 1988, 120/121:719; Mihara M. presented at this meeting4. Brown B A et al. MSUCL report, 1988, 5245. Sugimoto K. Proc. Int. Conf. on Nuclear Moments and Nuclear Structure. Edt. Horie H, Sugimoto K; Suppl. to J.Phys. Soc. Jpn., 1973, 34: 1976. Hanna S S, Hugg J W. Hyper ne Interractions 21, 59 (1985)7. Minanisono T et al. Phys. Lett. B, 1981, 106: 388. Wilkinson D H et al. Nucl. Phys. A, 1974, 232: 58

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ZHENG Yong-Nan and ZHOU Dong-Mei. Nuclear structure of proton-rich unstable nucleus 28P studied by g-factor measurement[J]. Chinese Physics C, 2009, 33(S1): 215-217. doi: 10.1088/1674-1137/33/S1/069
ZHENG Yong-Nan and ZHOU Dong-Mei. Nuclear structure of proton-rich unstable nucleus 28P studied by g-factor measurement[J]. Chinese Physics C, 2009, 33(S1): 215-217.  doi: 10.1088/1674-1137/33/S1/069 shu
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Received: 2008-10-23
Revised: 1900-01-01
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Nuclear structure of proton-rich unstable nucleus 28P studied by g-factor measurement

    Corresponding author: ZHENG Yong-Nan,
  • Received Date: 2008-10-23
  • Accepted Date: 1900-01-01
  • Available Online: 2009-01-10

Abstract: Nuclear structure of proton-rich unstable nucleus 28P has been studied by measuring its g-factor for the first time. The g-factor of 28P (Iπ=3+, T1/2=270.3 ms) was measured by means of β-NMR technique combined with the new polarization technique for charge exchange reaction product in the intermediate energy heavy ion collisions. The obtained g-factor of g=0.1028(27) is very much quenched from the Schmidt value, but is well reproduced by the shell model (+0.102). In connection with the magnetic moment of the mirror partner and the β-ray transition probability, the orbital angular momenta and intrinsic spins of protons and neutrons have been determined as 〈lp〉=0.43(29), 〈ln〉=1.85(29), 〈Sp)=0.28(4), and 〈Sn〉=0.44(4).

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