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Uncertainty Characterization of Silicon Damage Metrics

Journal Article · · IEEE Transactions on Nuclear Science
 [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
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Here, a general formulation of silicon damage metrics and associated energy-dependent response functions relevant to the radiation effects community is provided. Using this formulation, a rigorous quantitative treatment of the energy-dependent uncertainty contributors is performed. This resulted in the generation of a covariance matrix for the displacement kerma, the NRT-based damage energy, and the 1-MeV(Si) equivalent damage function. Lastly, when a careful methodology is used to apply a reference 1-MeV damage value, the systematic uncertainty in the fast fission region is seen to be removed and the uncertainty for integral metrics in broad-based fission-based neutron fields is demonstrated to be significantly reduced.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Science (NA-113)
Grant/Contract Number:
AC04-94AL85000; NA0003525
OSTI ID:
1485845
Alternate ID(s):
OSTI ID: 1532604
Report Number(s):
SAND--2018-11821J; 669307
Journal Information:
IEEE Transactions on Nuclear Science, Journal Name: IEEE Transactions on Nuclear Science Journal Issue: 1 Vol. 66; ISSN 0018-9499
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

Figures / Tables (15)

TABLE I(p. 1)table TABLE I
Fig. 1(p. 4)figure Fig. 1
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Fig. 7(p. 6)figure Fig. 7
Fig. 8(p. 6)figure Fig. 8
TABLE II(p. 6)table TABLE II
TABLE III(p. 7)table TABLE III
Fig. 10(p. 8)figure Fig. 10
Fig. 9(p. 8)figure Fig. 9
TABLE IV(p. 8)table TABLE IV
TABLE V(p. 8)table TABLE V

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Related Subjects

1-MeV(Si)
61 RADIATION PROTECTION AND DOSIMETRY
displacement damage
neutron damage
neutron kerma
partition function
potential
silicon
uncertainty