Constraining the Photon Strength Function of 95Zr using the Forward Analysis Method
ORAL
Abstract
The photon strength function (PSF) of 95Zr has been studied using the Forward Analysis method and the DAPPER total absorption gamma-ray spectrometer, made of 128 BaF2 crystals. The gamma-ray spectrum from the 95Zr compound nuclei (CN) was measured. 95Zr was produced by 94Zr(d,p) reactions at 8 MeV/u in inverse kinematics at the Texas A&M University Cyclotron. Different PSF and nuclear level density (NLD) models are assumed and used as input for the DICEBOX code to simulate multi-step gamma cascade within the Hauser-Feshbach formalism. The simulated gamma-ray spectra are compared with the measured gamma-ray spectra. Preliminary results show that the gamma-ray spectra from 95Zr CN are highly sensitive to the assumed PSF and NLD models. The models that best reproduce the gamma-ray spectra will be presented and resulting neutron capture cross sections will be discussed in comparison with those directly measured using a neutron beam.
*The work at Brookhaven National Laboratory was sponsored by the Office of Nuclear Physics, Office of Science of the U.S. Department of Energy under Contract No.DE-AC02-98CH10886 with Brookhaven Science Associates, LLC.
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Presenters
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Shuya Ota
- Brookhaven National Laboratory (BNL)
- Brookhaven National Laboratory