ALL.readme
Description of data files
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i) China Nuclear Data Center, CIAE Beijing, China
File: BEIJING.DAT
Provided by Su Zongdi, as of 1 February 1996.
The Chinese Sublibrary of Discrete Level Schemes and Gamma-Ray Branching
Ratios, CENPL-DLS.1, contains a data file and a management-retrieval code
system. It is part of the Chinese Evaluated Nuclear Parameter Library,
CENPL, version 1, as of 12 October 1995. It contains data for 79,461 levels
and 93,177 gamma rays in 1,908 nuclides, originating from the 1991 version
of ENSDF.
ii) Nuclear Data Centre, ENEA Bologna, Italy
File: BOLOGNA.DAT
Provided by G. Reffo, as of 15 November 1995.
The Bologna Nuclear Level File, BNLF, contains 81,916 levels for 2,258
nuclei and has a size of 3.26 Mbytes. It replaces the older Bologna file
LIVELLI, version 1993-1994. Data were extracted from ENSDF using the
conversion code JANUS and stored in the old Bologna format. Uncertain or
redundant data have been marked by warning asterisks.
In the new file the maximal number of levels per nucleus is still limited
to 99. Data affected by this truncation, as well as data for nuclei where
the translation has failed, have been preserved in separate files.
iii) Nuclear Data Center, JAERI Tokai-mura, Japan
File: JAERI.DAT
Provided by T. Fukahori, as of 15 September 1997.
Discrete level scheme data for 644 nuclei from He-4 to Fm-255 were taken
from ENSDF and were slightly modified for use in the Japanese Evaluated
Nuclear Data Library (JENDL-3) evaluation. Level energies, spins and
parities for 12,109 levels are included. For some levels gamma-ray
branching ratios are also given. A comparison with the LIVELLI file of
Bologna has shown no significant differences for overlapping nuclei.
Basically, the level scheme data form part of the Evaluation Data File,
EVLDF, which is mainly used in the Integrated Nuclear Data Evaluation
System (INDES) to provide basic input parameters for various theoretical
model codes.
iv) LLNL Livermore, USA
File: LIVERMORE.DAT
Provided by M. B. Chadwick, as of 1 November 1994.
The Livermore Biological File of Discrete Levels contains information on
discrete levels for A < 18 nuclei, from He-4 to F-17. The number of the
maximum level below which information on energy, spin and parity of levels
was judged "complete" and the corresponding cutoff energy have been
obtained from a level density analysis at Livermore in 1993, using
evaluations by F. Ajzenberg-Selove and other compilations. Note that not
every nuclide with A < 18 is included.
v) Nuclear Data Center, FEI Obninsk, Russia
Files: OBNINSK_LEVELS.DAT and OBNINSK_BRANCHINGS.DAT
Provided by A. V. Ignatyuk, original as of 28 October 1994, revised
as of 18 December 1997)
The evaluated data library of discrete levels and branching ratio data
from Obninsk consists of two files, as explained below.
The first version of the library Schemes of Experimental Discrete Levels
(SEDL) was prepared in 1989. Usage of SEDL in applied and fundamental
fields shows that some improvements of the file are desirable. For example,
more than 50 levels and lists of possible level spins must be added into
the file. A modern version of the library contains experimental schemes
(extracted from ENSDF) for nuclei with 21 < A < 250 (1,170 nuclides):
energy, spin and parity of levels (up to 400 levels in a nuclide).
To provide input data for isomer yield calculations the SEDL-RADA file has
been prepared. In the current version of the file the following data have
been included for each nuclide: energy, spin and parity of gamma-decaying
levels, number of gamma-transitions, number of final levels and the
branching ratio for each transition.