Problem on unresolved resonance data in recent nuclear data libraries

C. Konno; T. Nakagawa; K. Ochiai; S. Sato; M. Yamauchi

doi:doi:10.1051/ndata:07421

All issues

Year: 2007

10.1051/ndata:07421

Abstract

Open Access

Issue		ND 2007 2007


Article Number		188
Number of page(s)		4
Section		Evaluated files, methods and processing
DOI		https://doi.org/10.1051/ndata:07421
Published online		17 June 2008

International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07421

Problem on unresolved resonance data in recent nuclear data libraries

C. Konno, T. Nakagawa, K. Ochiai, S. Sato and M. Yamauchi

Japan Atomic Energy Agency, Ibaraki 319-1195, Japan

konno.chikara@jaea.go.jp

Published online: 21 May 2008

Abstract
It is found out that self-shielding correction for unresolved resonance data of many nuclei in JENDL-3.3 and ENDF/B-VII.0 is too large around the upper boundary energy of the unresolved resonance region. It is confirmed that this issue can be solved by increasing the upper boundary energy of the unresolved resonance region. In evaluation for unresolved resonance data, the upper boundary energy of the unresolved resonance region should be set to be high enough by considering self-shielding correction.