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- and -delayed neutron- decay of neutron-rich copper isotopes

Journal Article · · Physical Review C
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  1. University of Warsaw
  2. ORNL
  3. Oak Ridge Associated Universities (ORAU)
  4. Mississippi State University (MSU)
  5. University of Tennessee, Knoxville (UTK)
  6. Vanderbilt University
  7. Joint Institute for Heavy Ion Research, Oak Ridge
  8. Institut Pluridisciplinaire Hubert Curien, Strasbourg, France
  9. Louisiana State University
  10. Technische Universitat Darmstadt, Germany
+ Show Author Affiliations
The {beta}-decay properties of neutron-rich Cu isotopes produced in proton-induced fission of {sup 238}U were studied at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory. The data were collected using high-resolution online mass separation, reacceleration, and digital {beta}-{gamma} spectroscopy methods. An improved decay scheme of N = 49 {sup 78}Cu and the first observation of N = 50 {sup 79}Cu {beta}-delayed neutron decay followed by a gamma transition are reported. Spin and parity (5{sup -}) are deduced for {sup 78gs}Cu. The {beta}-delayed neutron branching ratios (P{sub {beta}n}) for the {sup 77}Cu and {sup 79}Cu precursors are analyzed with the help of nuclear structure models.
Research Organization:
Oak Ridge National Laboratory (ORNL); Holifield Radioactive Ion Beam Facility
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
OSTI ID:
1050946
Journal Information:
Physical Review C, Journal Name: Physical Review C Journal Issue: 2 Vol. 86; ISSN 0556-2813; ISSN PRVCAN
Country of Publication:
United States
Language:
English

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BRANCHING RATIO
COPPER ISOTOPES
DECAY
FISSION
NEUTRONS
NUCLEAR STRUCTURE
ORNL
PARITY
RADIOACTIVE ION BEAMS
SPECTROSCOPY
SPIN