Estimating the deformation of the 12C nucleus from angular correlations in the reactions 11B(α, tγ)12C and 13C(3He, αγ)12C

被引：0
|
作者：
Lebedev, VM [1 ]
Orlova, NV [1 ]
Spassky, AV [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow 119899, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 1999年 / 62卷 / 09期
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D O I：
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Data on angular correlations in the reaction B-11(alpha, t gamma)C-12(2(+), 4.44 MeV) at E-alpha = 25 MeV and in the reaction C-13(He-3, alpha gamma)C-12(2(+), 4.44 MeV) at E-3He = 22.5 MeV are compared with theoretical predictions for the processes of nucleon stripping and pickup. In both cases, the parameter of quadrupole deformation of the C-12 nucleus is found to be -0.5. The sign of this parameter is unambiguously inferred from the angular dependence of the spin-tenser components A(4 kappa) of the density matrix for the C-12 nucleus.
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页码：1455 / 1459
页数：5
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