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| /*===================================================================*/
/* NRDF D1855 Data No.12 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,12;
D#=D1855;
TITLE=/Isomeric yield ratios of fission products in the system of 24
MeV proton-induced fission of 238U/;
ATH=(M.TANIKAWA'1', H.KUDO'1', H.SUNAOSHI'2', M.WADA'2',
T.SHINOZUKA'2', M.FUJIOKA'2');
INST-ATH=(2JPNNII'1', 2JPNTOH'2');
/* '1' Department of Chemistry, Faculty of Science */
/* '2' Cyclotron and Radioisotope Center */
REF=ZP/A;
VLP=347(1993)53;
RCTS=(238U(P,FISSN)82AS, 238U(P,FISSN)83SE, 238U(P,FISSN)84BR,
238U(P,FISSN)90RB, 238U(P,FISSN)97Y, 238U(P,FISSN)99NB,
238U(P,FISSN)102TC, 238U(P,FISSN)108RH, 238U(P,FISSN)116AG,
238U(P,FISSN)119CD, 238U(P,FISSN)121CD, 238U(P,FISSN)116IN,
238U(P,FISSN)120IN, 238U(P,FISSN)122IN, 238U(P,FISSN)124IN,
238U(P,FISSN)126IN, 238U(P,FISSN)128IN, 238U(P,FISSN)128SN,
238U(P,FISSN)130SN, 238U(P,FISSN)128SB, 238U(P,FISSN)130SB,
238U(P,FISSN)132SB, 238U(P,FISSN)130I, 238U(P,FISSN)132I,
238U(P,FISSN)134I, 238U(P,FISSN)136I, 238U(P,FISSN)135XE,
238U(P,FISSN)138CS, 238U(P,FISSN)146LA, 238U(P,FISSN)148PR);
PHQS=XSECTN-RATIO;
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,12;
/* 2003-10-28 : Converted, Data converted from EXFOR O0539 */
RTY=FISSN;
PHQ=XSECTN-RATIO;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=XMG/CM**2'3';
/* '3' Target consists of the two self-support foils of depleted
uranium with a thickness of 20 mg/cm2. The target foils were
separated about 1 cm from each other in the target chamber. */
BAC=SELF;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=CYC'4';
/* '4'Isochronous cyclotron, AVF cyclotron */
INST-ACC=2JPNTOH'5';
/* '5' Cyclotron and Radioisotope Center */
INC-ENGY-LAB=24MEV'6';
/* '6' The energy of the incident proton was 24 MeV at the point
between the two target foils. */
DELTA-INC-ENGY-LAB=0.2MEV'7';
/* '7' The total amount of the energy loss in the uranium target
foils was about 0.4 MeV, which means that the actual bombarding
energy was 24+-0.2 MeV. */
BEAM-INTNSTY=0.2UA'8';
/* '8' Beam current was monitored by a Faraday cup equipped with a
current integrator. */
POL-PRJ=0%;
COINC=NO;
ANT-COINC=NO;
DET-SYS=GE'9';
/* '9' High pure Ge (HPGe) detectors. */
ERS-DET=XKEV'10';
/* '10' 2.1 and 2.8 keV for 1332 keV gamma-ray of 60Co for the
detector-1 and -2, respectively. */
CALB-DET=/ Calibration of gamma-ray energy and detection efficiency
for the energy range from 50 to about 3000 keV were
performed using a set of gamma reference sources of
Amersham Co.Ltd. (241Am, 137Cs, 133Ba, 60Co, 57Co, 54Mn,
and 22Na) and handmade sources of 152Eu and 56Co. /;
ANL=X'11';
/* '11' Simple one parameter model [D.G. Madland, T.R. England,
Nucl. Sci. Eng. 64(1977)859] */
/* Experimental Method:
- Separation by mass-separator (Mass calibration for the isotope
separator was made at A=16, 32 and mass number of interest in
each experimental run. The obtained mass resolution M/Delta-M was
about 150 at A=140, which is a rather small value compared to the
ordinary mass separator.)
- Single target irradiation
RCT=238U(P,FISSN)116IN;
DET-PARTCL=(GAMMA'78',GAMMA'79');
/* '78' Delayed gamma (162.4 keV) from 116IN (2nd metastable
state) (Half-life=2.18 sec) is measured. Abundance of this
decay mode is 0.366.Jpi=8- */
/* '79' Delayed gamma (1304.1 keV) from 116IN (1-st metastable
state) (Half-life=2.68 min) is measured. Abundance of this
decay mode is 0.055.Jpi=5+ */
/* Analysis:
- Decay curve analysis (Growth and decay anaylsis)
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,12;
INC-ENGY-LAB=24MEV;
EMT-1=GAMMA'80';
/* '80' Delayed Gammas */
EMT-2=GAMMA'81';
/* '81' Delayed Gammas */
RSD=116IN;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
XSECTN-RATIO'82' DELTA-XSECTN-RATIO'82,83'
(NODIM) (NODIM)
0.94 +-0.33
\END;
/*===================================================================*/
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