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 /* NRDF D1239 Data No.3                                              */
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 /* Bibliography                                                      */
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 \\BIB,3;
 D#=D1239;
 TITLE=/ The 1H(11B,n)11C reaction as a practical low background
         monoenergetic neutron source in the 10 MeV region /;
 ATH=(S.CHIBA'1', M.MIZUMOTO'1', K.HASEGAWA'2', Y.YAMANOUTI'1',
      M.SUGIMOTO'1', Y.WATANABE'3', M.DROSG'5');
 INST-ATH=(2JPNJAE'1', 2JPNTOH'2', 2JPNKYU'3', 2AUSPVI'4');
 REF=NIM/A;
 VLP=281(1989)581;
 RCTS=1H(11B,N)11C;
 PHQS=ANGL-DSTRN;
 /*===================================================================*/
 /* Experimental Conditions                                           */
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 \\EXP,3;
 /* 1991-06-05 : Converted, Converted to EXFOR E1239 */
 /* 2005-06-06 : Compiled, Sr + On. Recompiled with author's data
 PHQ=ANGL-DSTRN;
 CHM=ELM;
 PHYS-FORM=GAS;
 THK-TGT=XMG/CM**2'5';
 /* '5' 0.21 MPa */
 BAC=X'6';
 /* '6' Molybdenum foil for entrance window and gold plate for beam
        stopper */
 THK-BAC=XMG/CM**2'7';
 /* '7' 5-micrometer thick for entrance window and 1.5-mm thick for
        beam stopper */
 POL-TGT=0%;
 ALGN-TGT=0%;
 ACC=VDGT;
 INST-ACC=2JPNJAE;
 BEAM-INTNSTY=15[80NA;
 CHRG-INC-ION=4+;
 POL-PRJ=0%;
 ION-SOURCE=/ Source of Negative Ions by Cesium Sputtering (SNICS-2)
              [E. Minehara, et al., JAERI-M 88-181(1988)10] /;
 DET-PARTCL=N;
 COINC=NO;
 ANT-COINC=NO;
 DET-SYS=(SCT'8',TOF);
 /* '8' Used as neutron detector (NE213) */
 /* Experimental Method:
    - Time-of-flight
 /* Related references 
    - M.Drosg, NIM/A, 254(1987)466.
    Reference with which data agree (Angular distribution deduced from
    (p,n) data in this reference are consistent with present work
    except at forward angles.)
 RCT=1H(11B,N)11C;
 INC-ENGY-LAB=61MEV;
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 /* Descriptive Parameters                                            */
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 \\DATA,3;
 INC-ENGY-LAB=61MEV;
 TOT-ERR=11%'24';
 /* '24' Statistical uncertainty is negligilble. */
 SYS-ERR=([10%'25',[2%'26',>2%'27',[3%'28',[2%'29');
 /* '25' Uncertainty in detection efficiency */
 /* '26' Uncertainty in gas pressure */
 /* '27' Uncertainty in bias setting (>2%) */
 /* '28' Uncertainty in flight path length */
 /* '29' Uncertainty in dead time correction */
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 /* Data Table                                                        */
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 \DATA;
 THTL DSIGMA/DOMEGA
 (DEG) (MB/SR)
 0.0 183.5
 5.0 172.6
 10.0 143.8
 15.0 112.1
 20.0 72.5
 25.0 51.6
 30.0 54.3
 32.5 61.2
 35.0 80.5
 37.0 107.6
 38.0 103.4
 39.0 207.4
 40.0 135.3
 41.0 39.5
 42.0 13.3
 45.0 0.0
 \END;
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