Skip to main content
OSTI.GOVU.S. Department of Energy Office of Scientific and Technical Information
U.S. Department of Energy
Office of Scientific and Technical Information
 

Constraining (n,γ) cross sections via surrogate measurements with hyperion

Journal Article · · Nuclear Physics. A
 [1];  [1];  [2];  [2];  [3];  [2];  [2];  [1];
  1. University of Notre Dame, IN (United States)
  2. Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
  3. Texas A&M University, College Station, TX (United States)
+ Show Author Affiliations
Indirect measurement techniques, such as the surrogate method, are necessary to constrain cross sections and reaction rates that are inaccessible for direct measurement. The surrogate method uses an alternate reaction channel to populate a nucleus of interest, and combines resulting experimental data with theory to constrain the desired (n,γ) cross section. Individual γ-decay probabilities are experimentally extracted using γ-ray spectroscopy. This project utilizes surrogate analysis of 64,70Zn(p,d) and 64,70Zn(p,t) reactions measured with the Hyperion array at Texas A&M University's Cyclotron Facility to probe the relevant neutron capture reactions 61,62,67,68Zn(n,γ). As an example, preliminary γ-decay probabilities are presented for 69Zn.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Texas A&M University, College Station, TX (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344; FG02-93ER40773; NA0003841
OSTI ID:
2562166
Alternate ID(s):
OSTI ID: 2585365
OSTI ID: 3000418
Report Number(s):
LLNL--JRNL-2010559
Journal Information:
Nuclear Physics. A, Journal Name: Nuclear Physics. A Vol. 1060; ISSN 0375-9474
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (5)

The hyperion particle-γ detector array
  • Hughes, R. O.; Burke, J. T.; Casperson, R. J.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 856 https://doi.org/10.1016/j.nima.2017.03.012
journal June 2017
The Influence of Reaction Rates on the Final p-Abundances journal July 2005
The impact of (n,γ) reaction rate uncertainties on the predicted abundances of i-process elements with 32 ≤ Z ≤ 48 in the metal-poor star HD94028 journal December 2019
The Inelastic Scattering of Neutrons journal July 1952
Constraining Neutron Capture Cross Sections for Unstable Nuclei with Surrogate Reaction Data and Theory journal July 2018

Similar Records

Isomeric Cross Sections For 87Y(n,$γ$) From Surrogate (p,d$γ$) Data
Technical Report · Fri Mar 22 00:00:00 EDT 2019 · OSTI ID:1544968

Related Subjects

Neutron capture
Surrogate method
Zn
γ-decay probabilities