期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2019.02.004
关键词
Beta-delayed neutrons; Neutron and beta counters; Analysis methodology; Background correction
类别
资金
- Spanish Ministerio de Economia y Competitividad [FPA2011-24553, FPA2011-28770-C03-03, FPA2014-52823-C2-1/2, IJCI-2014-19172, SEV-2014-0398]
- Office of Nuclear Physics, U.S. Department of Energy [DE-AC05-00OR22725, DE-FG02-96ER40983]
- National Nuclear Security Administration, United States under the Stewardship Science Academic Alliances program through DOE [DE-NA0002132]
- JSPS, Japan KAKENHI [14F04808, 17H06090, 25247045, 19340074]
- UK Science and Technology Facilities Council
- Natural Sciences and Engineering Research Council of Canada (NSERC) via the Discovery Grants [SAPIN-2014-00028, RGPAS 462257-2014]
- National Science Foundation, United States [PHY 1714153, PHY-1430152, PHY-1565546]
- NKFIH, Hungary [K120666]
- South Korea NRF [2016K1A3A7A09005575, 2015H1A2A1030275]
- STFC [EP/E004385/1, ST/P004598/1, 2017 STFC Nuclear Physics CG, ST/J000108/1, ST/L005670/1, 1853133, ST/P004008/1] Funding Source: UKRI
- Grants-in-Aid for Scientific Research [14F04808, 17H06090, 19340074] Funding Source: KAKEN
A new detection system has been installed at the RIKEN Nishina Center (Japan) to investigate decay properties of very neutron-rich nuclei. The setup consists of three main parts: a moderated neutron counter, a detection system sensitive to the implantation and decay of radioactive ions, and gamma-ray detectors. We describe here the setup, the commissioning experiment and some selected results demonstrating its performance for the measurement of half-lives and beta-delayed neutron emission probabilities. The methodology followed in the analysis of the data is described in detail. Particular emphasis is placed on the correction of the accidental neutron background.
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