|
| /*===================================================================*/
/* NRDF D1760 Data No.10 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,10;
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,10;
/* 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=1.5GEV;
DET-PARTCL=N;
ANL=MONTE-MTHD'12';
/* '12' HETC (HIGH ENERGY TRANSPORT CODE) [K.C.CHANDLER,
T.W.ARMSTRONG, CCC-178(1977)]. */
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,10;
INC-ENGY-LAB=1.5GEV;
EMT=N;
THTL=30DEG;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
ENGY-EMT-LAB DSIGMA/DOMEGA/DE DELTA-DSIGMA/DOMEGA/DE
(MEV) (B/SR/MEV) (B/SR/MEV)
1.2500 0.0014353 +-0.00036202
1.7500 0.00085161 +-0.00033406
2.5000 0.00071633 +-0.00017807
3.5000 0.00066951 +-0.00017286
4.5000 0.00068313 +-0.00015875
5.5000 0.00056930 +-0.00014651
7.0000 0.00064742 +-0.00012767
9.0000 0.00044532 +-8.5861E-05
12.500 0.00033674 +-5.8706E-05
17.500 0.00033657 +-5.6075E-05
25.000 0.00027863 +-4.3863E-05
35.000 0.00032169 +-5.0200E-05
45.000 0.00025904 +-4.6866E-05
55.000 0.00026929 +-5.1772E-05
70.000 0.00028161 +-4.1580E-05
90.000 0.00022273 +-3.9530E-05
125.00 0.00016805 +-2.7166E-05
175.00 0.00012556 +-1.9910E-05
250.00 0.00012845 +-1.6944E-05
350.00 8.4177E-05 +-1.2243E-05
450.00 6.1444E-05 +-9.8810E-06
550.00 2.3957E-05 +-5.7424E-06
700.00 1.0876E-05 +-3.3079E-06
900.00 7.2452E-06 +-2.3655E-06
1250.0 1.3341E-06 +-7.2900E-07
\END;
/*===================================================================*/
|