Gamma-ray transitions in {sup 206}Pb studied in the {sup 205}Pb({ital n},{gamma}) reaction

Journal Article · Sat Jun 01 04:00:00 EDT 1996 · Physical Review, C

DOI:https://doi.org/10.1103/PhysRevC.53.2732· OSTI ID:284758

Raman, S; McGrory, J B ^[1]; Jurney, E T; Starner, J W ^[2]

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1. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)
2. Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)

A study of the {gamma}-ray spectrum following thermal-neutron capture by {sup 205}Pb has revealed 54 {gamma} rays, which have been incorporated into a level scheme consisting of 22 excited states in {sup 206}Pb. This study was carried out with an {approximately}9 mg lead sample enriched to 78.9{percent} in radioactive {sup 205}Pb. The neutron binding energy of {sup 206}Pb was determined to be 8086.67{plus_minus}0.06 keV, and the thermal-neutron-capture cross section for {sup 206}Pb to be 4.5{plus_minus}0.2 b. The low-lying portion of the level scheme of {sup 206}Pb and the {gamma}-ray branchings of positive-parity states have been compared with shell-model predictions. The overall agreement is excellent for the former and reasonably good for the latter. {copyright} {ital 1996 The American Physical Society.}

• Research Organization: Oak Ridge National Laboratory
• DOE Contract Number: AC05-96OR22464; W-7405-ENG-36
• OSTI ID: 284758
• Journal Information: Physical Review, C, Journal Name: Physical Review, C Journal Issue: 6 Vol. 53; ISSN PRVCAN; ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
BINDING ENERGY
CAPTURE
CROSS SECTIONS
GAMMA RADIATION
LEAD 205 TARGET
LEAD 206
NEUTRON REACTIONS
PARITY
SHELL MODELS