Complete beta-decay pattern for the high-priority decay-heat isotopes I-137 and Xe-137 determined using total absorption spectroscopy

Rasco B. C.; Rykaczewski K. P.; Fijalkowska A.; Karny M.; Wolinska-Cichocka M.; Grzywacz R. K.; Gross C. J.; Stracener D. W.; Zganjar E. F.; Blackmon J. C.; Brewer N. T.; Goetz K. C.; Johnson J. W.; Jost C. U.; Hamilton J. H.; Miernik K.; Madurga M.; Miller D.; Padgett S.; Paulauskas S. V.; Ramayya A. V.; Spejewski E. H.

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Complete beta-decay pattern for the high-priority decay-heat isotopes I-137 and Xe-137 determined using total absorption spectroscopy

机译：使用全部吸收光谱法测定的高优先级衰减热同位素I-137和XE-137的完整β腐烂图案

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Background: An assessment done under the auspices of the Nuclear Energy Agency in 2007 suggested that the beta decays of abundant fission products in nuclear reactors may be incomplete. Many of the nuclei are potentially affected by the so called pandemonium effect and their beta-gamma decay heat should be restudied using the total absorption technique. The fission products I-137 and Xe-137 were assigned highest priority for restudy due to their large cumulative fission branching fractions. In addition, measuring beta-delayed neutron emission probabilities is challenging and any new technique for measuring the beta-neutron spectrum and the beta-delayed neutron emission probabilities is an important addition to nuclear physics experimental techniques.

机译：背景：2007年核能机构主持下的评估表明，核反应堆中丰富的裂变产品的β衰减可能是不完整的。许多核可能受到所谓的阴茎效果的影响，并且应使用总吸收技术来修复其β-Gamma衰变热量。由于其大累积裂变分支馏分，裂变产物I-137和XE-137被分配了Retudy的最高优先级。此外，测量β延迟中子排放概率是具有挑战性的，并且任何用于测量β-中子谱的新技术和β延迟中子排放概率是对核物理实验技术的重要补充。

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来源
《Physical review, C》 |2017年第5期|共9页
作者
Rasco B. C.; Rykaczewski K. P.; Fijalkowska A.; Karny M.; Wolinska-Cichocka M.; Grzywacz R. K.; Gross C. J.; Stracener D. W.; Zganjar E. F.; Blackmon J. C.; Brewer N. T.; Goetz K. C.; Johnson J. W.; Jost C. U.; Hamilton J. H.; Miernik K.; Madurga M.; Miller D.; Padgett S.; Paulauskas S. V.; Ramayya A. V.; Spejewski E. H.;
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作者单位

Oak Ridge Natl Lab JINPA Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab Phys Div Oak Ridge TN 37831 USA;

Univ Tennessee Dept Phys &

Astron Knoxville TN 37966 USA;

Oak Ridge Natl Lab JINPA Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab JINPA Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab JINPA Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab Phys Div Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab Phys Div Oak Ridge TN 37831 USA;

Louisiana State Univ Dept Phys &

Astron Baton Rouge LA 70803 USA;

Louisiana State Univ Dept Phys &

Astron Baton Rouge LA 70803 USA;

Oak Ridge Natl Lab JINPA Oak Ridge TN 37831 USA;

Univ Tennessee Dept Phys &

Astron Knoxville TN 37966 USA;

Oak Ridge Natl Lab Phys Div Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab Phys Div Oak Ridge TN 37831 USA;

Vanderbilt Univ Dept Phys &

Astron Nashville TN 37212 USA;

Univ Warsaw Fac Phys Pasteura 5 PL-02093 Warsaw Poland;

Univ Tennessee Dept Phys &

Astron Knoxville TN 37966 USA;

Univ Tennessee Dept Phys &

Astron Knoxville TN 37966 USA;

Univ Tennessee Dept Phys &

Astron Knoxville TN 37966 USA;

Univ Tennessee Dept Phys &

Astron Knoxville TN 37966 USA;

Vanderbilt Univ Dept Phys &

Astron Nashville TN 37212 USA;

Oak Ridge Natl Lab Phys Div Oak Ridge TN 37831 USA;

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正文语种 eng
中图分类原子核物理学、高能物理学;
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1. Complete beta-decay pattern for the high-priority decay-heat isotopes I-137 and Xe-137 determined using total absorption spectroscopy [J] . Rasco B. C., Rykaczewski K. P., Fijalkowska A., Physical review, C . 2017,第5期

机译：使用全部吸收光谱法测定的高优先级衰减热同位素I-137和XE-137的完整β腐烂图案
2. Beta-decay strength measurement, total beta-decay energy determination, and decay-scheme completeness testing by total absorption gamma-ray spectroscopy [J] . Izosimov IN, Kazimov AA, Kalinnikov VG, Physics of atomic nuclei . 2004,第10期

机译：使用总吸收伽马射线光谱仪进行β衰变强度测量，总β衰变能量测定以及衰变方案完整性测试
3. Total absorption gamma-ray spectroscopy of the beta-delayed neutron emitters I-137 and Rb-95 [J] . Guadilla V, Tain J. L., Algora A., Physical review, C . 2019,第4期

机译：β延迟中子发射仪I-137和RB-95的总吸收γ光谱谱
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Complete beta-decay pattern for the high-priority decay-heat isotopes I-137 and Xe-137 determined using total absorption spectroscopy

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