Nuclear Data Section
International Atomic Energy Agency
P.O.Box 100, A-1400 Vienna, Austria
Memo CP-D/697
Date:
To:
From:

16 May 2011
Distribution
N. Otsuka

Subject:

Progress in EXFOR corrections

Statistics of EXFOR corrections and changes to the EXFOR Feedback List aresummarized below:
1. Statistics
Table 1 shows a list of total uncorrected coding mistakes on
A. EXFOR Feedback List (http://www-nds.iaea.org/nrdc/error/exfor_err1.html);
B. WPEC SG30 List (http://www-nds.iaea.org/nrdc/error/exfor_err3.html).
The time evolution of the total accumulated uncorrected errors is shown in Fig.1.
Considerable improvement has been made by NEA Data Bank between June andDecember 2010..
Table 1: Number of uncorrected coding mistakes (EXFOR Feedback List)
Centre
NNDC(Area)(1,C,L,T)
281
Feedback
18
SG30

NEA DB
(2,O)
115
2

NDS
(3,D,S,V)
23
00706

0806

CJD
(4)
58
2

CAJaD JCPRG CPND CDFE
(A,B) (E,J,K,R)
(F)
(M)
45
101621
7011

Number of uncorrected entries

450400

NNDCNEADB350

NDS300CJD250200150CAJaD
JCPRG
CPND
CDFE

1005000606

0612

0712

0812

0906

0912

1006

1012

1105

Date of survey (yymm)

Fig.1: Time evolution of the total number of uncorrected errors in the feedback list

Distributions of delay time are shown in Figs. 2 and 3 for corrected and uncorrected
entries, respectively. “Date of correction” was defined by the N2 value in the TRANS
record. Averages months spent or waiting for corrections are also summarized inTable 2.

Table 2: Average delay in corrections for corrected and uncorrected entries (months)Centre
NNDC(Area)(1,C,L,T)
9.0
Corrected
16.0
Uncorrected

NEA DB
NDS(2,O)(3,D,S,V)
30.0
5.5
4.7
4.8

CJD
CAJaD JCPRG CPND CDFE
(4)(A,B) (E,J,K,R)
(F)
(M)
9.2
7.8
5.4
14.9
7.3
15.3
8.8
20.0
9.9
5.3

Number of corrected subentries

250

NNDC
NEADB/4200

NDS
CJD

150

CAJaD
JCPRG

100

CPND
CDFE

500~6~12~18~24~30~36~42

Delay in correction (month)

Number of uncorrected subentries

Figure 2: Distribution of delay time for corrected entries70NNDC

60NEADB
NDS50CJD
40CAJaD

30

JCPRG
CPND

20CDFE

100~3~6~9~12 ~15 ~18 ~21 ~24 ~27 ~30 ~33 ~36 ~39
Delay in correction (months)

Figure 3: Distribution of delay time for uncorrected entries (as of 2011-05-15)

2. Change in the EXFOR Feedback List
There have been some modifications to the EXFOR Feedback List:
2.1. Priority flags
According to Action 7 of the NRDC2010 meeting, the following priority flags havebeen introduced:
A. Very urgent (mistakes in heading, unit, values in DATA and COMMON)B. Urgent (mistakes in REACTION code, pointer)
C. Others
2.2. Received and forwarded dates
Previously both “received (from the user)” and “forwarded (to the centre)” dates weregiven in the list. Now the number of feedbacks from users is increasing and NDS
registers these comments to the web list without notification to the responsible centre.
Accordingly only the “registered” date is shown in the current list.
For previously registered comments, “received” dates are adopted as “registered”
dates. Differences in “received” and “forwarded” dates in uncorrected entries werewithin one month except for the following two comments:
Entry
Received
C1259.001 2008-07-16
C1259.002 2008-07-16

Forwarded
2008-09-03
2008-09-03

KeywordCommentREFERENCE Add J,PRL,93,081102,2004
DATA-ERR
3.0E-07->2.0E-07@193.2 keV

3. Remark on TRANS record
During the extraction of the transmission date (N2) in the TRANS record from tapesin the NDS open area, the following problems were detected.
- Transmission date (N2) missing:
TRANS.M017- Exchange file identification (N1) is inconsistent with the file name:
1. TRANS.3072 (N1=4072, N2=880816). Contents are equivalent to TRANS.4072.
2. TRANS.D007 (N1=E007, N2=901004). Contents are equivalent to TRANS.E007.
3. TRANS.D008 (N1=E008, N2=901024). Contents are equivalent to TRANS.E008.
4. TRANS.R003 (N1=3000, N2=860701). Mistake by the originating centre?

Distribution:
blokhin@ippe.ru
cgc@ciae.ac.cn
chiba@earth.sgu.ac.jp
claes.nordborg@oecd.org
emmeric.dupont@oecd.org
fukahori.tokio@jaea.go.jp
ganesan@barc.gov.in
gezg@ciae.ac.cn
hongwei@ciae.ac.cn
jhchang@kaeri.re.kr
j.roberts@iaea.org
kaltchenko@kinr.kiev.ua
katakura.junichi@jaea.go.jp
kato@nucl.sci.hokudai.ac.jp
kiralyb@atomki.hu
l.vrapcenjak@iaea.org
manuel.bossant@oecd.org
manokhin@ippe.ru
mmarina@ippe.ru
mwherman@bnl.gov
nicolas.soppera@oecd.org
nklimova@kinr.kiev.ua

n.otsuka@iaea.org
nrdc@jcprg.org
oblozinsky@bnl.gov
ogritzay@kinr.kiev.ua
otto.schwerer@aon.at
pronyaev@ippe.ru
r.forrest@iaea.org
samaev@obninsk.ru
s.babykina@polyn.kiae.su
scyang@kaeri.re.kr
s.simakov@iaea.org
stakacs@atomki.hu
stanislav.hlavac@savba.sk
sv.dunaeva@gmail.com
taova@expd.vniief.ru
tarkanyi@atomki.hu
varlamov@depni.sinp.msu.ru
vlasov@kinr.kiev.ua
vmclane@optonline.net
v.semkova@iaea.org
v.zerkin@iaea.org
yolee@kaeri.rezhuangyx@ciae.ac.cn