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New dosimetry library - IRDFF. R. Capote, A. Trkov, K.I. Zolotarev , V. Pronyaev IAEA/NAPC Nuclear Data Section. Update of the IRDF-2002 (rel. 2005). IAEA CM held in 2007,2010: INDC(NDS)-0575 (2010) and INDC( NDS)-507 (2007) Zolotarev evaluations for RRDF

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New dosimetry library - IRDFF

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New dosimetry library irdff

New dosimetry library - IRDFF

R. Capote, A. Trkov, K.I. Zolotarev, V. Pronyaev

IAEA/NAPC Nuclear Data Section


New dosimetry library irdff

Update of the IRDF-2002 (rel. 2005)

  • IAEA CM held in 2007,2010:

  • INDC(NDS)-0575 (2010) and

  • INDC( NDS)-507 (2007)

  • Zolotarev evaluations for RRDF

  • (partially supported by IAEA/NDS)

  • INDC(NDS)-0526,

  • INDC(NDS)-0546,

  • INDC(NDS)-0584,

  • IAEA Standards + ENDF/B-VII.0+cov

  • JENDL-4 ?

  • Model covariance calculations: TENDL

  • Use for the extension of the energy range

  • Conclusions and outlook


New evaluation

New evaluation

64Zn(n,p)64Cu


197 au n 2n 196 au new evaluation vs selected exp data

197Au(n,2n)196Aunew evaluation vs selected exp. data


New dosimetry library irdff

197Au(n,2n)196Au


197 au n 2n 196 au

197Au(n,2n)196Au

Extension to 60 MeV – TENDL- 2010

~6 % renormalization

40 MeV

60 MeV

TENDL

2010


197 au n 2n 196 au1

197Au(n,2n)196Au

Extension to 60 MeV – TENDL- 2010


New dosimetry library irdff

89Y(n,2n)


New dosimetry library irdff

59Co(n,p)


New dosimetry library irdff

55Mn(n,2n)


New dosimetry library irdff

93Nb(n,2n)92mNb


Spectrum and xs uncertainties

Spectrum and XS uncertainties

Source spectrum file : spectra\Cf252s.g

Unc. Unc. Unc.

Mat. MT E(50%) <XS> +/- Unc x.s. Sp. Total

[MeV] [mb] [%] [%] [%] [%]

------------------------------------------------------------------------------------------------

79197 16 10.50 .553122E+01 +/- .1523E+00 1.873 2.019 2.754

79197 102 .72 .749206E+02 +/- .6899E+00 .563 .728 .921

27059 16 13.00 .407990E+00 +/- .1480E-01 1.519 3.294 3.627

27059 17 19.80 .342457E-05 +/- .2594E-05 .000 75.74 75.74

27059 102 .88 .485887E+01 +/- .2029E+00 4.081 .886 4.176

27059 103 5.90 .171549E+01 +/- .6254E-01 3.457 1.159 3.646

27059 107 8.30 .221311E+00 +/- .8567E-02 3.542 1.562 3.871

Source spectrum file : spectra\U235th-B71.g

79197 16 10.30 .325997E+01 +/- .1559E+01 1.966 47.767 47.807

79197 102 .72 .757991E+02 +/- .2654E+01 .566 3.455 3.501


New dosimetry library irdff

Conclusions

  • International Reactor Dosimetry File IRDF-2002 released in 2005 [1];

  • library contains 66 dosimetry reactions. Update is needed.

  • New IAEA dosimetry library (IRDFF) released for testing (74 react + 3abs)

  • New suitable evaluations including covariances became available

  • - IAEA neutron cross-section standards [2] combined with

  • ENDF-B/VII.1 evaluations [3], JENDL-4 evaluations, and

  • Zolotarev evaluations [4-6].

  • 37 dosimetry reactions updated and compared to measurements in

  • ENDF-B/VII.0 235U thermal and 252Cf fast neutron fields.

  • Formal extension of all evaluations up to 60 MeV of incident neutron

  • energy using TENDL-2010 [7] done.

REFERENCES:

[1] O. Bersillon et al., IRDF-2002, International Atomic Energy

Agency, Vienna, Austria, TRS 452 (2006).

[2] A. D. Carlson, et al, Nucl. Data Sheets 110 (2009) 3215-3324.

[3] L. Leal, Evaluations in the ENDF/B-VII.1 library with covariances, priv. comm., 2010.

[4] K. I. Zolotarev, INDC(NDS)-0526, IAEA, Vienna, August 2008.

[5] K. I. Zolotarev, INDC(NDS)-0546, IAEA, Vienna, April 2009.

[6] K. I. Zolotarev, INDC(NDS)-0584, IAEA, Vienna, November 2010.

[7] A. J. Koning and D. Rochman, TENDL-2010, The Netherlands.


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