SUBENT        20213007     690418
BIB
REACTION   (64-GD-157(N,0),,J)
INC-SPECT  .MONOCHROMATIC BEAM OBTAINED FROM BRAGG REFLECTION ON  
            BE(222).                                              
METHOD     .MEASURED TOTAL CROSS-SECTION AND SCATTERING           
            CROSS-SECTION WITH IDENTICAL EXPERIMENTAL CONDITIONS. 
ANALYSIS   .DEDUCED RATIO OF NEUTRON WIDTH TO TOTAL WIDTH =       
            (ELASTIC SCATTERING CROSS-SECTION - POTENTIAL SCATT.)/
            (TOTAL CROSS-SECTION) AT RESONANCE.                   
           .THE STATISTICAL WEIGHT FACTOR G AND SO THE RESONANCE  
            SPIN ARE OBTAINED FROM THE DETERMINED RATIO OF        
            NEUTRON WIDTH TO TOTAL WIDTH AND FROM THE PARAMETERS  
            (WEIGHT FACTOR)*(NEUTRON WIDTH) AND TOTAL WIDTH       
            TAKEN FROM BNL-325, 1-ST SUPPL.                       
SAMPLE     .NATURAL GADOLINIUM METAL                              
            THICKNESS (3.24+-0.03)*1.E-4 ATOMS/B.                 
           .SCATTERING SAMPLE AT RIGHT ANGLE TO NEUTRON BEAM      
            (DIAMETER 2 CM), SURROUNDED BY BF(3) COUNTERS (LENGTH 
            50 CM).                                               
CORRECTION .CORRECTIONS FOR SELFSCREENING AND ABSORPTION OF       
            SCATTERED NEUTRONS IN THE SAMPLE.                     
ERR-ANALYS .STATISTICAL ERROR DERIVED FROM OBSERVED VARIANCE OF   
            A SERIES OF MEASUREMENTS.                             
COMMENT    .NET COUNTING RATE OBTAINED FROM DIFFERENCE BETWEEN    
            SAMPLE IN AND SAMPLE OUT COUNTING RATES.              
            old iso-quant:
            (64-GD-157,J,RES)                                      
HISTORY    (721005C)                                              
           (740521E)                                              
           (20050810N) Converted from iso-quant
ENDBIB
NOCOMMON             0          0
DATA                 2          1
EN-RES     DATA       
EV         NO-DIM     
 1.7100E+01 2.0000E+00
ENDDATA
ENDSUBENT