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Neutron single particle structure in 131Sn and the r-process

Conference ·
OSTI ID:953193
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  1. Tennessee Technological University
  2. ORNL
  3. University of Tennessee
  4. Colorado School of Mines, Golden
  5. Rutgers University
  6. University of Warsaw
  7. Oak Ridge Associated Universities (ORAU)
  8. University of Surrey, UK
+ Show Author Affiliations
Recent calculations suggest that, at late times in the r-process, the rate of neutron capture by {sup 130}Sn has a significant impact on nucleosynthesis. Direct capture into low-lying bound states is likely the dominant reaction in the r-process near the N=82 closed shell, so reaction rates are strongly impacted by the properties of neutron single particle states in this region. In order to investigate these properties, we have acquired (d,p) reaction data in the A{approx}132 region in inverse kinematics using {approx}630 MeV beams (4.85 MeV/u for {sup 130}Sn) and CD{sub 2} targets. An array of Si strip detectors, including SIDAR and an early implementation of the new Oak Ridge Rutgers University Barrel Array (ORRUBA), was used to detect reaction products. Preliminary results for the {sup 130}Sn(d,p){sup 131}Sn experiment are reported.
Research Organization:
Oak Ridge National Laboratory (ORNL); Holifield Radioactive Ion Beam Facility
Sponsoring Organization:
SC USDOE - Office of Science (SC)
DOE Contract Number:
AC05-00OR22725
OSTI ID:
953193
Country of Publication:
United States
Language:
English

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Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BOUND STATE
CAPTURE
IMPLEMENTATION
NEUTRON REACTIONS
NEUTRONS
NUCLEI
NUCLEOSYNTHESIS
PARTICLE STRUCTURE
R PROCESS
REACTION KINETICS
TARGETS
UNIVERSE