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Structure of negative parity states at $${\mathbf {6}\,\lesssim \, \mathbf {E}_\mathbf {x} <{\mathbf {7.0}} }$$ 6 ≲ E x < 7.0  MeV in $$\mathbf {^{208}}{} \mathbf{Pb}$$ 208 Pb
The European Physical Journal A ( IF 2.7 ) Pub Date : 2020-07-07 , DOI: 10.1140/epja/s10050-020-00146-4
A. Heusler

In the doubly magic nucleus \(^{208}\mathrm{Pb}\) states at excitation energies \(6\,\lesssim \, E_x <7.0\) MeV populated by the inelastic proton scattering via the doublet isobaric analog resonances g \(_{{ 7}/{2}}\)+d \(_{{ 3}/{2}}\) in \(^{209}\mathrm{Bi}\) are studied. Sixteen states containing dominant strengths of the configurations g \(_{{ 7}/{2}}\)p \(_{{ 3}/{2}}\), d \(_{{ 3}/{2}}\)p \(_{{ 3}/{2}}\), g \(_{{ 7}/{2}}\)f \(_{{ 5}/{2}}\), d \(_{{ 3}/{2}}\)f \(_{{ 5}/{2}}\) are newly assigned spins from \(2^-\) to \(6^-\), among them ten states are newly identified. Amplitudes with relative signs of up to four one-particle one-hole configurations with strengths down to 0.05% are determined in 40 states with spins from 1\(^-\) to \(6^-\). Amplitudes of configurations d \(_{{ 3}/{2}}\)p \(_{{ 1}/{2}}\), d \(_{{ 3}/{2}}\)p \(_{{ 3}/{2}}\), d \(_{{ 3}/{2}}\)f \(_{{ 5}/{2}}\) for fourteen states and amplitudes of g \(_{{ 7}/{2}}\)p \(_{{ 1}/{2}}\), g \(_{{ 7}/{2}}\)p \(_{{ 3}/{2}}\), g \(_{{ 7}/{2}}\)f \(_{{ 5}/{2}}\) for twenty-seven states are determined. Total strengths up to the full strength are found for configurations d \(_{{ 3}/{2}}\)p \(_{{ 1}/{2}}\), d \(_{{ 3}/{2}}\)p \(_{{ 3}/{2}}\), d \(_{{ 3}/{2}}\)f \(_{{ 5}/{2}}\) with spins from \(1^-\) to \(3^-\) and for g \(_{{ 7}/{2}}\)p \(_{{ 1}/{2}}\), g \(_{{ 7}/{2}}\)p \(_{{ 3}/{2}}\), g \(_{{ 7}/{2}}\)f \(_{{ 5}/{2}}\) with spins from 1\(^-\) to \(6^-\).

中文翻译:

负奇偶校验状态的结构为$$ {\ mathbf {6} \,\ lesssim \,\ mathbf {E} _ \ mathbf {x} <{\ mathbf {7.0}}} $$ 6 E x <7.0 MeV in $$ \ mathbf {^ {208}} {} \ mathbf {Pb} $$ 208 Pb

在双魔核\(^ {208} \ mathrm {Pb} \)的激发能量\(6 \,\ lesssim \,E_x <7.0 \)的状态下,  MeV由经由双重等压模拟共振g 的非弹性质子散射构成研究\(^ {209} \ mathrm {Bi} \)中的\(_ {{7} / {2}} \) + d \(_ {{3} / {2}} \)。包含配置g的主导强度的16个状态g \(_ {{7} / {2}} \)p \(_ {{3} / {2}} \)d \(_ {{3} / {2 }} \)p \(_ {{3} / {2}} \)g \(_ {{7} / {2}} \)f \(_ {{5} / {2}} \)d \(_ {{3} / {2}} \) f \(_ {{5} / {2}} \)是从\(2 ^-\)\(6 ^-\)的新分配的自旋,其中新识别了十个状态。在40种状态下,自旋从1 \(^-\)\(6 ^-\),确定相对符号最多为四个单粒子单孔构型的强度(强度低至0.05%。配置幅度d \(_ {{3} / {2}} \)p \(_ {{1} / {2}} \)d \(_ {{3} / {2}} \)p \(_ {{3} / {2}} \)d \(_ {{3} / {2}} \)f \(_ {{5} / {2}} \)对于十四个状态和振幅的g \(_ {{7} / {2}} \)p \(_ {{1} / {2}} \)g \(_ {{7} / {2}} \)p \(_ {{3} / {2}} \)g \(_确定了27个状态的{{7} / {2}} \)f \(_ {{5} / {2}} \)。找到配置d \(_ {{3} / {2}} \)p \(_ {{1 1 / {2}} \)d \(_ {{3} / {2}} \)p \(_ {{3} / {2}} \)d \(_ {{3} / {2}} \)f \(_ {{5} / {2} } \)\(1 ^-\)\(3 ^-\)旋转,对于g \(_ {{7} / {2}} \)p \(_ {{1} / {2} } \)g \(_ {{7} / {2}} \)p \(_ {{3} / {2}} \)g \(_ {{7} / {2}} \)f \(_ { {5} / {2}} \)从1 \(^-\)旋转到\(6 ^-\)
更新日期:2020-07-07
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