Published 2017 | Version v1
Journal article Metadata-only

Strong γ-ray emission from neutron unbound states populated in β-decay: Impact on (n,γ) cross-section estimates

Creators

  • 1. Instituto de Fisica Corpuscular, Paterna (Spain)
  • 2. Institute of Nuclear Research of the Hungarian Academy of Sciences, Debrecen (Hungary)

Description

Total absorption gamma-ray spectroscopy is used to measure accurately the intensity of γ emission from neutron-unbound states populated in the β-decay of delayed-neutron emitters. From the comparison of this intensity with the intensity of neutron emission one can deduce information on the (n,γ) cross section for unstable neutron-rich nuclei of interest in r process abundance calculations. A surprisingly large γ branching was observed for a number of isotopes. Here, the results are compared with Hauser-Feshbach calculations and discussed.

Availability note (English)

Available from http://www.osti.gov/pages/servlets/purl/1411146; http://www.osti.gov/pages/biblio/1411146; DOE Accepted Manuscript full text, or the publishers Best Available Version will be available free of charge after the embargo period

Additional details

Identifiers

URL
http://www.osti.gov/pages/servlets/purl/1411146; http://www.osti.gov/pages/biblio/1411146;
DOI
10.1051/epjconf/201714601002;

Publishing Information

Journal Title
EPJ. Web of Conferences
Journal Volume
146
Journal Page Range
vp.
ISSN
2100-014X

INIS

Country of Publication
France
Country of Input or Organization
United States
INIS RN
49031098
Subject category
S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
Descriptors DEI
BETA DECAY; BRANCHING RATIO; CROSS SECTIONS; DELAYED NEUTRONS; GAMMA SPECTROSCOPY; NEUTRON EMISSION; NEUTRON-RICH ISOTOPES; R PROCESS
Descriptors DEC
BARYONS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; DECAY; DIMENSIONLESS NUMBERS; ELEMENTARY PARTICLES; EMISSION; EVOLUTION; FERMIONS; FISSION NEUTRONS; HADRONS; ISOTOPES; NEUTRONS; NUCLEAR DECAY; NUCLEONS; RADIOISOTOPES; SPECTROSCOPY; STAR EVOLUTION

Optional Information

Contract/Grant/Project number
AC02-06CH11357; SC0012704
Funding organization
USDOE Office of Science - SC, Nuclear Physics - NP (SC-26) (United States); Spanish Ministerio de Economia y Competitividad (MINECO) (Spain); European Commission, Community Research and Development Information Service (CORDIS), Seventh Framework Programme (FP7) (European Commission (EC))
Secondary number(s)
BNL--114737-2017-JA; OSTIID--1393946