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 60-Nd-142 NEA        RCOM-JUL82 SCIENTIFIC CO-ORDINATION GROUP   
                      DIST-JAN09                     20090105     
----JEFF-311          MATERIAL 6025                               
-----INCIDENT NEUTRON DATA                                        
------ENDF-6 FORMAT                                               
***************************  JEFF-3.1.1  *************************
**                                                              **
**         Original data taken from:  JEFF-3.1                  **
**                                                              **
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*****************************  JEFF-3.1  *************************
**                                                              **
**         Original data taken from:  JEFF-3.0                  **
**                                                              **
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*****************************   JEFF-3.0   ***********************
                                                                  
   DATA TAKEN FROM   :-   JEF-2.2 (DIST-JAN92)                    
                                                                  
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*   JEF-2                                                        *
*     DATA WERE TAKEN FROM ENDF/B-V(MAT=9763).                   *
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*    8-JAN-85: RESONANCE PARAM. CHANGED TO ORIGINAL SINGLE-LEVEL. 
*   17-AUG-88: RESONANCE ADDED                                    
*   27-APR-89: MISSING CHARGE PARTICLE PRODUCTION DATA INCLUDED   
*              FROM REAC-ECN-4 LIBRARY                            
*    1-NOV-90: ADDITIONAL COMMENTS INSERTED                       
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 *                                                              * 
 *   MODIFICATIONS FOR JEF-2       60-ND-142                    * 
 *                                                              * 
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 *                                                              * 
 *   COOPERATION ECN-PETTEN AND NEA DATA BANK                   * 
 *   H.A.J. VAN DER KAMP - ECN                                  * 
 *   H.GRUPPELAAR        - ECN                                  * 
 *   I.FOREST            - NEADB                                * 
 *   C.NORDBORG          - NEADB                                * 
 *                                                              * 
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 *   RESOLVED RESONANCE REGION:                                 * 
 **************************************************************** 
 *                                                              * 
 *   RESOLVED RESONANCE PARAMETERS WERE REPLACED BY DATA FROM   * 
 *   MOST RECENT BROOKHAVEN COMPILATION(MU81).                  * 
 *                                                              * 
 *   FOR THOSE RESONANCES FOR WHICH GN AND GG VALUES ARE        * 
 *   UNKNOWN, AN AVERAGE VALUE FOR GG HAS BEEN ASSUMED AND      * 
 *   GN WAS DERIVED FROM THIS AVERAGE VALUE AND THE CAPTURE     * 
 *   AREA AS GIVEN IN MU81.                                     * 
 *                                                              * 
 *   EL=10-5 EV, EH=11.064 KEV.                                 * 
 *                                                              * 
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 *   THERMAL VALUES (2200M/S):                                  * 
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 *                                                              * 
 *   CALCULATED VALUES:                                         * 
 *   MT=2    SIGMA              =  8.51611 B                    * 
 *   MT=102  SIGMA              = 18.6344  B                    * 
 *   MT=102  RESONANCE INTEGRAL =  6.15189 B                    * 
 *                                                              * 
 *   EXPERIMENTAL VALUES:                                       * 
 *   MT=2    SIGMA              =  7.7 +-  0.5 B                * 
 *   MT=102  SIGMA              = 18.7 +-  0.7 B                * 
 *   MT=102  RESONANCE INTEGRAL = 34   +- 11   B                * 
 *                                                              * 
 **************************************************************** 
 *   REFERENCES:                                                * 
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 *                                                              * 
 *   MU81: MUGHABGHAB,S.F., M.DIVADEENAM, N.E.HOLDEN            * 
 *         NEUTRON CROSS SECTIONS VOLUME 1                      * 
 *         NEUTRON RESONANCE PARAMETERS AND THERMAL CROSS       * 
 *         SECTIONS, PART A, Z=1-60, ACADEMIC PRESS 1981        * 
 *                                                              * 
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           HEDL       EVAL-APR74 R.E.SCHENTER AND F.SCHMITTROTH   
                      DIST-JUL80                       800625     
 FILE INFORMATION                                                 
                                                                  
 MF=2 MT=151  RESONANCE PARAMETERS FROM NEW BNL-325 REF.(3).      
                                                                  
 MF=3 MT=  1  TOTAL CROSS SECTION CALCULATED USING MOLDAUER       
               POTENTIAL FROM REF. (4) FOR E .GT. EH.             
                                                                  
 MF=3 MT=  2  ELASTIC CROSS SECTION FROM SIGT-SIGCAP-SIGIN FOR    
               E .GT. EH.                                         
                                                                  
 MF=3 MT=  4,51,52,.,.,91  INELASTIC CROSS SECTIONS CALCULATED    
                           USING COMNUC-3 REFS.(5,6).             
                                                                  
 MF=3 MT=102  NEUTRON CAPTURE EVALUATED USING METHODS (NCAP CODE) 
         IN REFS.(1,2) FOR E .GT. EH. A 1/V COMPONENT WAS ADDED TO
         GIVE THE 2200 M/S CROSS SECTION OF REF.(3) FOR E .LT. EH 
              THE CALCULATED RESONANCE INTEGRAL AGREES(TO WITHIN  
               1 SIGMA) WITH THE VALUE GIVEN IN REF.(7).          
                                                                  
 MF=3 MT=251  MUBAR CALCULATED USING MOLDAUER POTENTIAL REF.(4).  
                                                                  
 MF=3 MT=252  STI CALCULATED FROM MUBAR (MT=251)                  
                                                                  
 MF=4 MT=2  ANGULAR DISTRIBUTION ASSUMED ISOTROPIC                
                                                                  
 MF=4  NON-ELASTIC A.D. ASSUMED ISOTROPIC                         
                                                                  
 MF=5 MT= 91  EVAPORATION SPECTRUM(LF=9) PARAMETERS OBTAINED USING
              NCAP CODE REF.(2).                                  
                                                                  
 REFERENCES                                                       
  1. F SCHMITTROTH AND RE SCHENTER,HEDL TME 73-63(AUG 1973).      
  2. F SCHMITTROTH,HEDL TME 73-79(NOV 1973).                      
  3. SF MUGHABGHAB AND DI GARBER,BNL 325,3ED,V1(JUNE 1973).       
  4. PA MOLDAUER,NUC.PHYS.47(1963)65.                             
  5. CL DUNFORD,AI-AEC-12931(JULY 1970).                          
  6. CL DUNFORD(PRIVATE COMMUNICATION).                           
  7. E CLAYTON AAEC/TM619(SEPT 1972).                             
                                                                  
 2200M/S CAPTURE CROSS SECTION,BARNS.                             
   (FROM RESONANCE PARAMETERS) =     .013                         
   (FROM  1/V  COMPONENT)      =   18.690                         
                        TOTAL  =   18.703                         
                                                                  
 COMPUTED RESONANCE INTEGRAL   =    8.921                         
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