Validating (d,pγ) as a surrogate for neutron capture

Conference · Fri Feb 13 00:00:00 EST 2015

DOI:https://doi.org/10.1051/epjconf/20159302012· OSTI ID:1170271

Ratkiewicz, A. ^[1]; Cizewski, J. A. ^[1]; Pain, S. D. ^[2]; Adekola, A. S. ^[1]; Burke, J. T. ^[3]; Casperson, R. J. ^[3]; Fotiadis, Nikolaos ^[4]; McCleskey, M. ^[5]; Burcher, S. ^[1]; Shand, C. M ^[1]; Austin, R. A. E. ^[6]; Baugher, T. ^[1]; Carpenter, M. P. ^[7]; Devlin, Matthew James ^[4]; Escher, J. E. ^[3]; Hardy, S. ^[1]; Hatarik, R. ^[3]; Howard, M. E. ^[1]; Hughes, R. O. ^[8]; Jones, K. L. ^[9] ; Kozub, R. L. ^[10]; Lister, C. J. ^[11]; Manning, B. ^[1]; O'Donnell, John M. ^[4]; Peters, W. A. ^[12]; Ross, T. J. ^[8]; Scielzo, N. D. ^[3]; Seweryniak, D. ^[7]; Zhu, S. ^[7]

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1. Rutgers Univ., New Brunswick, NJ (United States)
2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
5. Texas A & M Univ., College Station, TX (United States)
6. Saint Mary's Univ., Halifax (Canada)
7. Argonne National Lab. (ANL), Argonne, IL (United States)
8. Univ. of Richmond, VA (United States)
9. Univ. of Tennessee, Knoxville, TN (United States)
10. Tennessee Technological Univ., Cookeville, TN (United States)
11. Univ. of Massachusetts, Lowell, MA (United States)
12. oak ridge associated Univ., TN (United States)

The r-process is responsible for creating roughly half of the elements heavier than iron. It has recently become understood that the rates at which neutron capture reactions proceed at late times in the r-process may dramatically affect the final abundance pattern. However, direct measurements of neutron capture reaction rates on exotic nuclei are exceptionally difficult, necessitating the development of indirect approaches such as the surrogate technique. The (d,pγ) reaction at low energies was identified as a promising surrogate for the (n,γ) reaction, as both reactions share many characteristics. We report on a program to validate (d,pγ) as a surrogate for (n,γ) using 95Mo as a target. The experimental campaign includes direct measurements of the γ-ray intensities from the decay of excited states populated in the 95Mo(n,γ) and 95Mo(d,pγ) reactions.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC52-06NA25396
• OSTI ID: 1170271
• Report Number(s): LA-UR-15-21102; TRN: US1600052
• Resource Relation: Journal Volume: 93; Conference: CGS15, Dresden (Germany), 25-29 Aug 2014
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
DEUTERON REACTIONS
STRIPPING
ONE-NUCLEON TRANSFER REACTIONS
PROTONS
GAMMA RADIATION
NEUTRON REACTIONS
MOLYBDENUM 95 TARGET
R PROCESS
CAPTURE
NUCLEAR REACTION KINETICS
GAMMA SPECTRA
MOLYBDENUM 96
CROSS SECTIONS
VALIDATION