Giant monopole strength in 58 Ni

Giant monopole strength in 58 Ni
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DOI:
10.1103/physrevc.61.067307
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发表时间:
2000-05
期刊:
影响因子:
3.1
通讯作者:
Y. Lui;H. Clark;D. Youngblood
Y. Lui;H. Clark;D. Youngblood
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Y. Lui;H. Clark;D. Youngblood

文献摘要

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使用 240-MeV \ensuremath{\a​​lpha} 粒子的小角度散射,测量了 ${}^{58}\mathrm{Ni}$ 中巨型单极子共振的强度分布,从 ${E}_{x}=10$ 到 35 MeV。对应于 $E0$ EWSR 的 ${74}_{\ensuremath{-}12}^{+22}%$ 的 $E0$ 强度被发现在 ${E}_{x}=12.0$ 和 31.1 MeV 之间,质心为 ${20.30}_{\ensuremath{-}0.14}^{+1.69}\mathrm{MeV}.$
The strength distribution of the giant monopole resonance in ${}^{58}\mathrm{Ni}$ has been measured from ${E}_{x}=10$ to 35 MeV using small-angle scattering of 240-MeV \ensuremath{\alpha} particles. $E0$ strength corresponding to ${74}_{\ensuremath{-}12}^{+22}%$ of the $E0$ EWSR was found between ${E}_{x}=12.0$ and 31.1 MeV with a centroid of ${20.30}_{\ensuremath{-}0.14}^{+1.69}\mathrm{MeV}.$