The JEFF-4T2 nuclear data library content has been agreed upon in October 2022. It includes one set of data containing 564 neutron cross section evaluations.
The main changes include:
- New evaluations for the 'Big-3' (U-235, U-238, Pu-239)
- A new Fission Yields evaluation for the thermal neutron induced fission of U-235
- The adoption of the following INDEN evaluations:
5-B-10g, 5-B-11g, 8-O-18g
9-F-19g, 14-Si-28g, 14-Si-29g,
14-Si-30g, 24-Cr-50g, 24-Cr-52g
24-Cr-53g, 24-Cr-54g, 25-Mn-55g,
26-Fe-54g, 26-Fe-56g, 26-Fe-57g
29-Cu-63g, 29-Cu-65g
The Thermal Scattering Law files are the same as JEFF-4T1.
Please note that this is a TEST library, and that the latest official release remains JEFF-3.3.
JEFF-4T2.2 (22/02/2023)
The list of changes from JEFF-4T2.1 to JEFF-4T2.2 can be found here:
JEFF-4T2.2 Changes, while the entire evolution of the JEFF-4Tx library can be found on Share Point:
JEFF-4Tx Evolution.
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Release
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Format
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Code
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Content
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Nb. Files
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Size (Uncompressed)
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Download
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JEFF-4T2.2
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ENDF6
|
-
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Cross section evaluations
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564
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2.0 GB
|
|
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JEFF-4T2.2
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ENDF6
|
-
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Changes with respect to JEFF-4T2.1
|
7
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24 MB
|
|
|
JEFF-4T2.2
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Text
|
-
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List of changes with respect to JEFF-4T2.1
|
-
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1.3 KB
|
|
|
JEFF-4T2.2
|
ACE
|
NJOY2016.56
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Continuous-energy cross section data
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564
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6.4 GB
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|
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JEFF-4T2.2
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Text
|
-
|
XSDIR for MCNP
|
-
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60.0 KB
|
|
|
JEFF-4T2.2
|
Text
|
-
|
XSDIR for Serpent
|
-
|
105.0 KB
|
|
|
JEFF-4T2.2
|
GENDF-1102
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NJOY2016.56 and PREPRO2021
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Groupwise cross section data
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564
|
556 MB
|
|
|
JEFF-4T2.2
|
PENDF
|
NJOY2016.56
|
Pointwise cross section data at 0 K
|
564
|
2.4 GB
|
|
|
JEFF-4T2.2
|
Text
|
NJOY2016.56
|
Computed Thermal Neutron Constants, compared with the Standards-2017
|
-
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-
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|
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JEFF-4T2.2
|
Text
|
CHECKR, FIZCON, PSYCHE
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ENDF-Utility codes outputs
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-
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-
|
|
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JEFF-4T2.2
|
Excel
|
CHECKR, FIZCON, PSYCHE
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ENDF-Utility codes errors and warnings
|
-
|
-
|
|
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JEFF-4T2.2
|
Excel
|
NJOY
|
Problems found by NJOY
|
-
|
-
|
|
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JEFF-4T2.2
|
PDF
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NJOY2016.56 and PREPRO2021
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Plots
|
-
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-
|
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JEFF-4T2.1 (20/12/2022)
The list of changes from JEFF-4T2 to JEFF-4T2.1 can be found here:
JEFF-4T2.1 Changes, while the entire evolution of the JEFF-4Tx library can be found on Share Point:
JEFF-4Tx Evolution.
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Release
|
Format
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Code
|
Content
|
Nb. Evaluations
|
Size (Uncompressed)
|
Download
|
|
JEFF-4T2.1
|
ENDF6
|
-
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Cross section evaluations
|
564
|
2.3 GB
|
|
|
JEFF-4T2.1
|
ENDF6
|
-
|
Changes with respect to JEFF-4T2.0
|
10
|
53 MB
|
|
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JEFF-4T2.1
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Text
|
-
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List of changes with respect to JEFF-4T2.0
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1
|
2 KB
|
|
JEFF-4T2 (16/12/2022)
The list of changes from JEFF-4T1 to JEFF-4T2 can be found here:
JEFF-4T2 Changes, while the entire evolution of the JEFF-4Tx library can be found on Share Point:
JEFF-4Tx Evolution.
|
Release
|
Format
|
Code
|
Content
|
Nb. Evaluations
|
Size (Uncompressed)
|
Download
|
|
Evaluated Files
|
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JEFF-4T2
|
ENDF6
|
-
|
Cross section evaluations
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564
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2.3 GB
|
|
|
JEFF-4T2
|
ENDF6
|
-
|
Fission Yields and Covariances
|
1
|
47 MB
|
|
|
JEFF-4T2
|
ENDF6
|
-
|
Changes with respect to JEFF-4T1
|
43
|
46 MB
|
|
|
JEFF-4T2
|
Text
|
-
|
List of changes with respect to JEFF-4T1
|
1
|
2 KB
|
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