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/* NRDF D1762 Data No.24 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,24;
D#=D1762;
TITLE=/MEASUREMENT OF NEUTRON-PRODUCTION DOUBLE-DIFFERENTIAL CROSS
SECTIONS FOR NUCLEAR SPALLATION REACTION INDUCED BY 0.8, 1.5 AND
3.0 GEV PROTONS/;
PURPOSE=/TO MEASURE THE NEUTRON-PRODUCTION DOUBLE-DIFFERENTIAL CROSS
SECTIONS FROM THE SPALLATION REACTION./;
ATH=(K.ISHIBASHI'1', H.TAKADA'2', T.NAKAMOTO'1', N.SHIGYO'1',
K.MAEHATA'1', N.MATSUFUJI'1', S.MEIGO'2', S.CHIBA'2',
M.NUMAJIRI'3', Y.WATANABE'4', T.NAKAMURA'5');
INST-ATH=(2JPNKYU'1', 2JPNJAE'2', 2JPNLEP'3', 2JPNKYU'4', 2JPNTOH'5');
/* '1'DEPARTMENT OF NUCLEAR ENGUNEERING */
/* '4'ENERGY CONVERSION ENGINEERING */
/* '5'CYCLOTRON RADIOISOTOPE CENTER */
REF=NST;
VLP=34(1997)529;
RCTS=(C(P,N)X, AL(P,N)X, FE(P,N)X, IN(P,N)X, PB(P,N)X);
PHQS=ENGY-SPEC;
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,24;
/* 2002-10-04 : COMPILED */
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. */
POL-PRJ=0%;
ION-SOURCE=/ INCIDENT PROTONS WERE GENERATED AS SECONDARY BEAM. TOF
METHOD WITH A PAIR OF PILOT U SCINTILLATORS WAS ADOPTED
FOR THE SEPARATION OF PROTONS AND PIONS. /;
DET-PARTCL=N;
COINC=NO;
ANT-COINC=NO;
DET-SYS=(TOF,SCT'8',PLST-SCT'9');
/* '8' TWO DEFFERENT SIZES (DIAMETERXTHICK=12.7 CM X 12.7 CM, 5.08 CM
X 5.08 CM) 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 RESOLUTION OF ONE SIGMA IS SHOWN IN FIG. 5, P533
IN REFERENCE. THE TYPICAL RESOLUTION IS 5% AT A NEUTRON ENERGY OF
10 MEV AND 8% AT 100 MEV. */
EFCN-DET=/ THE UNCERTAINTY OF THE NEUTRON DETECTION EFFICIENCY WAS
DETERMINED TO BE 10% IN THE NEUTRON ENERGY REGION BELOW 80
MEV, WHILE IT WAS SET AT 15% AT ENERGIES ABOVE 80 MEV. /;
ANL=(MONTE-MTHD'11',MONTE-MTHD'12');
/* '11' HIGH ENEGY TRANSPORT CODE (HETC) [K.C.CHANDLER,
T.W.ARMSTRONG, CCC-178, (1977)] */
/* '12' NUCLEUS [TAKADA, H.: J. NUCL. SCI. TECHNOL., 33, 275 (1996)]
RCT=AL(P,N)X;
THK-TGT=10760MG/CM**2;
INC-ENGY-LAB=0.8GEV;
DET-PARTCL=N;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,24;
INC-ENGY-LAB=0.8GEV;
EMT=N;
THTL=150DEG;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
ENGY-EMT-LAB DSIGMA/DOMEGA/DE DELTA-DSIGMA/DOMEGA/DE
(MEV) (MB/SR/MEV) (MB/SR/MEV)
1.250E+00 3.472E+00 +-1.118E+00
1.750E+00 4.083E+00 +-1.240E+00
2.500E+00 3.974E+00 +-1.126E+00
3.500E+00 3.058E+00 +-7.790E-01
4.500E+00 2.533E+00 +-6.447E-01
5.500E+00 1.709E+00 +-4.472E-01
7.000E+00 1.340E+00 +-3.421E-01
9.000E+00 8.709E-01 +-2.305E-01
1.250E+01 4.886E-01 +-1.333E-01
1.750E+01 2.765E-01 +-8.071E-02
2.500E+01 2.318E-01 +-6.306E-02
3.500E+01 1.695E-01 +-5.133E-02
4.500E+01 5.157E-02 +-3.341E-02
5.500E+01 5.537E-02 +-3.414E-02
7.000E+01 4.474E-02 +-2.259E-02
9.000E+01 4.470E-02 +-1.805E-02
\END;
/*===================================================================*/
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