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/* NRDF D1659 Data No.1 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,1;
D#=D1659;
TITLE=/Two deformation paths in proton-induced fission of 232Th/;
PURPOSE=/Accurate measurements of complementary fission
fragmentvelocities in the proton-induced fission of 232th/;
ATH=(Y.NAGAME'1', I.NISHINAKA'1', K.TSUKADA'1', Y.OURA'1',
S.ICHIKAWA'1', H.IKEZOE'1', Y.L.ZHAO'2', K.SUEKI'2',
H.NAKAHARA'2', M.TANIKAWA'3', T.OHTSUKI'4', H.KUDO'5',
Y.HAMAJIMA'6', K.TAKAMIYA'7', Y.H.CHUNG'8');
INST-ATH=(2JPNJAE'1', 2JPNTMU'2', 2JPNTOK'3', 2JPNTOH'4', 2JPNNII'5',
2JPNJPN'6', 2JPNOSA'7', 3KORKOR'8');
/* '2' Department of Chemistry */
/* '3' Department of Chemistry */
/* '4' Laboratory of Nuclear Science */
/* '5' Department of Chemistry */
/* '6' Department of Chemistry, Kanazawa University, Kanazawa */
/* '7' Department of Chemistry */
/* '8' Department of Chemistry, Hallym University, Chuncheon */
REF=PL/B;
VLP=387(1996)26;
RCTS=232TH(P,FISSN);
PHQS=(A-DSTRN'9', AVER-KIN-ENGY'10', ENGY-SPEC'11', ENGY-SPEC'12',
ENGY-SPEC'13', ENGY-SPEC'14', ENGY-SPEC'15');
/* '9' Heavy fragment mass distribution */
/* '10' average total kinetic energy */
/* '11' total kinetic energy distribution (A=126) */
/* '12' total kinetic energy distribution (A=128) */
/* '13' total kinetic energy distribution (A=130) */
/* '14' total kinetic energy distribution (A=132) */
/* '15' total kinetic energy distribution (A=134) */
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,1;
/* 2003-11-22 : Converted, Data converted to EXFOR E1659 and EXFOR
O0383. */
RTY=FISSN;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=0.07MG/CM**2;
BAC=C;
THK-BAC=0.02MG/CM**2;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=VDGT;
INST-ACC=2JPNJAE;
BEAM-INTNSTY=500[800NA;
POL-PRJ=0%;
DET-PARTCL=X'16';
/* '16' Fission Fragments */
COINC=NO;
ANT-COINC=NO;
DET-SYS=(MCPLT'17',SBD'18',MCPLT'19',PPAC'20');
/* '17' Placed at theta(lab)=50deg. Used as start and stop ToF
(ToF1) detectors with carbon foil (30-micro gram/cm2). The
flight path and solid angle are 55 cm and 0.17 msr,
respectively. */
/* '18' Placed behind the stop MCPD. Used for stop and energy
signals. */
/* '19' Placed at theta(lab)=130deg. Used to deliver start ToF
signal (ToF2) to detect complementary fragments of ToF1. The
flight path and solid angle are 50 cm and 32 msr,
respectively. */
/* '20' Used to deliver stop signal of ToF (ToF2). */
ERS-DET=<2.5MEV'21';
/* '21' for total kinetic energy */
CALB-DET=/ Velocity calibration was performed using the 240 MeV 127I
beam to bombard thin (70-100 micro-gram/cm2) calibration
targets, natAg, natIn, natSb, and 209Bi. Each target was
evaporated on 30 micro-gram/cm2 thick carbon foils. The
recoil nuclei and the elastically scattered 127I ions were
detected with the present ToF system. /;
/* Experimental Method:
- Time-of-flight (To measure fission fragment velocities)
- Beam current integrated (The average beam current was 500-800
nA.)
RCT=232TH(P,FISSN);
PHQ=A-DSTRN'22';
/* '22' Heavy fragment mass distribution */
INC-ENGY-LAB=12.0MEV;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,1;
INC-ENGY-LAB=12.0MEV;
EMT=X'23';
/* '23' Fission fragments */
DELTA-YLD=3%'24';
/* '24' Data-point reader uncertainty */
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
A YLD
(NODIM) (%)
115. 0.0109
117. 0.0116
119. 0.0116
121. 0.0115
123. 0.0115
125. 0.0115
127. 0.0133
129. 0.017
131. 0.0237
133. 0.0353
135. 0.0444
137. 0.0524
139. 0.0568
141. 0.0567
143. 0.0554
145. 0.042
147. 0.03
149. 0.0188
151. 0.0106
153. 0.00553
154. 0.00248
\END;
/*===================================================================*/
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