In-beam γ-ray spectroscopy of 42Ca

In-beam γ-ray spectroscopy of 42Ca
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42Ca 的束内 γ 射线光谱

DOI:
10.1140/epja/i2002-10125-6
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发表时间:
2003
期刊:
The European Physical Journal A - Hadrons and Nuclei
影响因子:
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通讯作者:
M. Ziȩbliński
M. Ziȩbliński
中科院分区:
--
文献类型:
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作者:
M. Lach;J. Styczeń;W. Mȩczyński;P. Bednarczyk;A. Bracco;J. Grebosz;A. Maj;J. C. Merdinger.;N. Schulz;M. Smith;K. Spohr;J. Vivien;M. Ziȩbliński

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68 MeV18O +30Si 反应中存在的 42Ca 核的高自旋态已在 γ-γ-反冲符合实验中进行了研究。 42Ca 的能级方案已扩展至 13.7 MeV。具有各种路径的精心设计的衰变模式,以及高质量的 DCO 和偏振信息,为几乎所有观察到的能级分配了自旋和奇偶校验。讨论了非 yrast 正宇称态的序列,并与 36Ar 和 40Ca 中的高度变形能带进行了比较。
High-spin states of the42Ca nucleus, populated in the 68 MeV18O +30Si reaction, have been studied in a γ-γ-recoil coincidence experiment. The level scheme of42Ca has been extended up to 13.7 MeV. An elaborate decay pattern with various paths, together with high-quality DCO and polarization information assigns spins and parities for almost all observed levels. The sequence of non-yrast positive-parity states is discussed and compared with highly deformed bands in36Ar and40Ca.