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| /*===================================================================*/
/* NRDF D1760 Data No.3 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,3;
D#=D1760;
TITLE=/SPALLATION NEUTRON MEASUREMENT BY THE TIME-OF-FLIGHT METHOD
WITH A SHORT FLIGHT PATH/;
PURPOSE=/TO MEASURE THE DOUBLE DIFFERENTIAL CROSS SECTION ON PRODUCTION
OF THE SPALLATION NEUTRONS./;
ATH=(T.NAKAMOTO'1', K.ISHIBASHI'1', N.MATSUFUJI'1', N.SHIGYO'1',
K.MAEHATA'1', S.MEIGO'2', H.TAKADA'2', S.CHIBA'2',
M.NUMAJIRI'3', T.NAKAMURA'4', Y.WATANABE'5');
INST-ATH=(2JPNKYU'1', 2JPNJAE'2', 2JPNLEP'3', 2JPNTOH'4', 2JPNKYU'5');
/* '1'DEPARTMENT OF NUCLEAR ENGINEERING */
/* '4'CYCLOTRON RADIOISOTOPE CENTER */
/* '5'ENERGY CONVERSION ENGINEERING */
REF=NST;
VLP=32(1995)827;
RCTS=(C(P,N)X, PB(P,N)X);
PHQS=ENGY-SPEC;
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,3;
/* 2002-11-15 : COMPILED, AUTHOR (T.NAKAMOTO) RECOMMEND TO USE
DATA SET IN OTHER REFERENCE [NUCL.SCI.TECHNOL.34(1997)529]. */
RTY=SPAL;
PHQ=ENGY-SPEC;
ENR=NAT;
CHM=ELM;
PHYS-FORM=SLD;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=SYN'6';
/* '6' THE PI-2 LINE OF THE 12 GEV PROTON SYNCHROTRON */
INST-ACC=2JPNLEP;
BEAM-INTNSTY=XMA'7';
/* '7' IN A LEVEL OF 100000 PROTONS / 2.5 S AT THE PI-2 BEAM LINE. */
POL-PRJ=0%;
ION-SOURCE=/ INCIDENT PROTONS WERE GENERATED AS SECONDARY BEAM. TOF
METHOD WITH A PAIR OF PILOT U SCINTILLATORS WAS ADOPTED
FOR SEPARATION BETWEEN PROTONS AND PIONS. /;
DET-PARTCL=N;
COINC=NO;
ANT-COINC=NO;
DET-SYS=(TOF,SCT'8',PLST-SCT'9');
/* '8' TWO DEFFERENT SIZES (DIAMETERXTHICK=5CMX5CM, 2CMX2CM) OF NE213
NEUTRON DETECTORS WERE PLACED IN THE DIRECTIONS OF 15 DEGREE, 30
DEGREE, 60 DEGREE, 90 DEGREE, 120 DEGREE AND 150 DEGREE */
/* '9' NE102A PLASTIC SCINTILLATORS WERE MOUNTED AS VETO DETECTORS TO
ELIMINATE CHARGED PARTICLE EVENTS BY THE ANTI-COINCIDENCE METHOD
ERS-DET=XKEV'10';
/* '10' THE ENERGY RESOLUTIONS IN ONE SIGMA WERE 5.7 % AT THE NEUTRON
ENERGY OF 10 MEV AND 14 % AT 300 MEV. */
EFCN-DET=/ THE UNCERTAINTY OF THE NEUTRON DETECTION EFFICIENCY RANGED
UP TO 10 % /;
RCT=C(P,N)X;
THK-TGT=20000MG/CM**2;
INC-ENGY-LAB=0.8GEV;
DET-PARTCL=N;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,3;
INC-ENGY-LAB=0.8GEV;
EMT=N;
THTL=120DEG;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
ENGY-EMT-LAB DSIGMA/DOMEGA/DE DELTA-DSIGMA/DOMEGA/DE
(MEV) (B/SR/MEV) (B/SR/MEV)
1.2500 0.00057476 +-0.00010748
1.7500 0.00087412 +-0.00014036
2.5000 0.00053283 +-8.8096E-05
3.5000 0.00060666 +-9.4618E-05
4.5000 0.00053054 +-9.1861E-05
5.5000 0.00044713 +-8.5953E-05
7.0000 0.00047237 +-7.1960E-05
9.0000 0.00030265 +-5.6215E-05
12.500 0.00027400 +-3.7574E-05
17.500 0.00015616 +-2.7131E-05
25.000 0.00015393 +-2.0699E-05
35.000 7.7038E-05 +-1.5542E-05
45.000 8.6577E-05 +-1.5234E-05
55.000 5.8262E-05 +-1.1923E-05
70.000 2.9120E-05 +-8.6658E-06
90.000 3.0013E-05 +-6.3729E-06
\END;
/*===================================================================*/
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