A=48的核数据表

IF 2.8 1区 物理与天体物理 Q2 PHYSICS, NUCLEAR Nuclear Data Sheets Pub Date : 2022-01-01 DOI:10.1016/j.nds.2021.12.001
Jun Chen
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引用次数: 9

摘要

对质量数为A=48的所有已知核素(S, Cl, Ar, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni)的各种反应和衰变的实验核结构数据进行了汇编和评估。对于每种核素,给出了每种单独反应和衰变的详细评估核结构信息,并结合所有可用数据推荐了光谱特性的最佳值,如能级能、半衰期、γ射线能量和强度、衰变辐射。在48S、48Cl、48Co和48Ni中没有发现激发态,其中前三种甚至没有测量到基态半衰期和衰变模式。对于48Fe,从最近的2021Ya33的单中子去除测量中首次建立了具有激发态序列的能级方案。48Ar、48K和48Mn激发态的数据仍然有限;目前还没有测量到48Ar和48K的衰变方案,而48Ni的衰变方案由于未观测到的水平而不完整。48Ti是经过各种反应和衰变研究最多的核素,其次是48V、40Ca、48Sc和48Cr,其中没有观察到48Sc的衰变事件,48V和48Cr的衰变方案被认为是不完整的。这项工作取代了先前A=48: 2006Bu08, 1993Bu04, 1985Al14, 1978Be01的完整评估。
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Nuclear Data Sheets for A=48

Experimental nuclear structure data from various reactions and decays are compiled and evaluated for all known nuclides with mass number A=48 (S, Cl, Ar, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni). For each nuclide, detailed evaluated nuclear structure information is presented for each individual reaction and decay, and the best values combining all available data are recommended for spectroscopic properties, such as level energies, half-lives, γ-ray energies and intensities, decay radiations. No excited states have been identified in 48S, 48Cl, 48Co and 48Ni, among which the first three even have no measured ground-state half-lives and decay modes. For 48Fe, a level scheme with a sequence of excited states was established for the first time from a recent one-neutron removal measurement by 2021Ya33. Data for excited states in 48Ar, 48K and 48Mn remain limited; no decay scheme has been measured for 48Ar and 48K yet, while the decay scheme for 48Ni is incomplete due to unobserved levels. 48Ti is the most studied nuclide through various reactions and decays, followed by 48V, 40Ca, 48Sc, and 48Cr, among which no decay event to 48Sc has been observed and the decay schemes for 48V and 48Cr are considered as incomplete. This work supersedes the previous full evaluations of A=48: 2006Bu08, 1993Bu04, 1985Al14, 1978Be01.

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来源期刊
Nuclear Data Sheets
Nuclear Data Sheets 物理-物理:核物理
CiteScore
7.80
自引率
5.40%
发文量
22
审稿时长
>12 weeks
期刊介绍: The Nuclear Data Sheets are current and are published monthly. They are devoted to compilation and evaluations of experimental and theoretical results in Nuclear Physics. The journal is mostly produced from Evaluated Nuclear Structure Data File (ENSDF), a computer file maintained by the US National Nuclear Data Center
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