RIKEN Accel. Prog. Rep. 50 (2017)

Ⅱ-3. Nuclear Data

Report on EXFOR Compilation 2016 from the RIBF
D. Ichinkhorloo,∗1 M. Aikawa,∗1,∗2 S. Ebata,∗1 S. Jagjit,∗1 M. Kimura,∗1 N. Otuka,∗2,∗3 and A. Sarsembayeva∗1
Nuclear reaction data are used in various ﬁelds(nuclear physics, engineering research, medical, etc.)
and can be accessed through the Internet from a nuclear database when a computer is connected. The
database is constructed in a special format called EXFOR (EXchange FORmat for experimental nuclear reaction data)1) which is designed to accommodate experimental data with corresponding bibliographies andexperimental descriptions including error analysis forproper interpretation of the stored experimental data.
EXFOR is maintained by the International Atomic
Energy Agency (IAEA)2) and the International Network of Nuclear Reaction Data Centres (NRDC). The
NRDC collaborates in the compilation of experimental data and development of related software for compilation and dissemination. The Hokkaido University
Nuclear Reaction Data Centre (JCPRG)3) is a member of NRDC and has contributed about 10% of thecharged-particle nuclear reaction data in the EXFORlibrary. JCPRG provides the compiled nuclear reaction data in both the international (EXFOR) and domestic (NRDF)4) formats through an online search system.
Under collaboration with the NRDC network, experimental data published in scientiﬁc journals are continuously surveyed. Among the data obtained, the dataon charged-particle and photon induced reactions obtained from the facilities in Japan should be compiled
by JCPRG. We assign new papers for the compiler
and check all papers ﬁnalized for compilation by theJCPRG members. For improving the quality of contents, we contact authors to provide the original numerical data plotted in each ﬁgure to ensure the accuracy of data compiled in the NRDF and the EXFOR
library. If the original data cannot be obtained fromthe corresponding author, we digitize numerical datafrom the plotted ﬁgures with the digitization software
GSYS5) .
We have also cooperated with the RIKEN Nishina
Center for compilation since 2010. The purpose of thecooperation is to increase the availability of the nuclear
reaction data produced at the RIBF. The compiled ﬁlesof nuclear data produced at the RIBF are translated
into the EXFOR format for the beneﬁt of nuclear datausers. In this article, we report our activities in 2016,
especially the compilation of experimental nuclear reaction data from the RIBF.
In 2016, we compiled 37 new papers reporting experiments performed in Japan. Among them 15 papers
∗1
∗2
∗3

Faculty of Science, Hokkaido University
RIKEN Nishina Center
NDS, IAEA- 106 -

were based on RIBF data and those data satisfy thecompilation scope of the EXFOR library. All data areaccessible by the entry numbers listed in Table 1.
We have established an eﬀective procedure to compile all of the new publications during the last six-year
collaboration with the RIKEN Nishina Center. Therefore, most of the recent experimental nuclear reaction
data are provided by the authors but we digitized numerical data of E24879) and E248810) entries using thedigitization software GSYS. Such additional information is also available with a list of compiled RIBF dataon the JCPRG website6) .
Table 1. Entry numbers with references compiled fromRIBF data in 2016
EntriesTotalE24837)
E248810)
E249513)
E250616)
E251519)

E24858)
E259211)
E250014)
E250717)
E251620)
15E24879)
E249312)
E250415)E251118)
E252221)

References
1) http://www.jcprg.org/exfor/2) http://www-nds.iaea.org/
3) http://www.jcprg.org/
4) http://www.jcprg.org/nrdf/
5) http://www.jcprg.org/gsys/6) http://jcprg.org/riken/ribf-data/
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