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 /* NRDF D1792 Data No.10                                             */
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 /* Bibliography                                                      */
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 \\BIB,10;
 D#=D1792;
 TITLE=/ Isomeric yield ratios of 134I and 136I in the proton-, 12C-
         and 19F-induced fission of 235U, 237Np and 238U /;
 PURPOSE=/ In this experiment, in order to obtain the isomeric yield
           ratios of 134(m)I/134(g)I and 136(m)I/136(g)I, short-lived
           nuclides of iodine produced by the proton-, 12C- and
           19F-induced fission of 235U, 237Np and 238U were
           investigated by a radiochemical method. /;
 ATH=(N.SHINOHARA'1', K.TSUKADA'1', S.ICHIKAWA'1', M.MAGARA'1',
      Y.HATSUKAWA'1');
 INST-ATH=(2JPNJAE'1');
 REF=RCA;
 VLP=88(2000)1;
 RCTS=(235U(P,FISSN)134I, 235U(P,FISSN)136I, 237NP(P,FISSN)134I,
       237NP(P,FISSN)136I, 238U(P,FISSN)134I, 238U(P,FISSN)136I,
       235U(12C,FISSN)134I, 235U(12C,FISSN)136I, 237NP(12C,FISSN)134I,
       237NP(12C,FISSN)136I, 238U(12C,FISSN)134I, 238U(12C,FISSN)136I,
       235U(19F,FISSN)134I, 235U(19F,FISSN)136I, 237NP(19F,FISSN)134I,
       237NP(19F,FISSN)136I, 238U(19F,FISSN)134I, 238U(19F,FISSN)136I);
 PHQS=FISSN-YLD;
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 /* Experimental Conditions                                           */
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 \\EXP,10;
 /* 2004-03-19 : Compiled */
 RTY=FISSN;
 PHQ=FISSN-YLD;
 CHM=ELM'2';
 /* '2' Chemical purities are 97.7 atom% (235U), 99.3 atom% (238U)
        and 100 atom% (237Np). */
 PHYS-FORM=SLD;
 BAC=X;
 POL-TGT=0%;
 ALGN-TGT=0%;
 ACC=VDGT;
 INST-ACC=2JPNJAE;
 POL-PRJ=0%;
 COINC=NO;
 ANT-COINC=NO;
 DET-SYS=HPGE'3';
 /* '3' Coaxial HPGe detector and multichannel analyzer were used
        to measure gamma-rays from the iodine nuclides. The detector
        resolution of HPGe detector is 1.73keV (FWHM) at 1.33-MeV
        gamma-ray. */
 /* Experimental Method:
    - Collection by He jet (KCl/He gas-jet recoil-transport system
      (HJRT) [K. Tsukada et al., Radiochim. Acta 51, 77 (1990)])
    - Chemical separation (Continuous multistage solvent extraction
      system SISAK (Short-lived Isotopes Studied by AKUFVE technique
      [G. Skarnemark et al., Phys. Scr. 34, 597 (1986)])
    - Gamma ray spectrometry
 /* Analysis:
    - The spin-dependent statistical model (D.G. Madland et al.,
      Nucl. Sci. Engl. 64, 859 (1977)) was used to deduce the angular
      momenta of the initial fragments.
 RCT=237NP(12C,FISSN)136I;
 THK-TGT=0.28MG/CM**2;
 INC-ENGY-LAB=86MEV;
 BEAM-INTNSTY=80PNA;
 DET-PARTCL=(GAMMA'62',GAMMA'63');
 /* '62' Delayed gamma from 136I (ground state) */
 /* '63' Delayed gamma from 136I (metastable state) */
 /* Derived angular momentum of initial fragment is 9.7+0.9-1.0. */
 /*===================================================================*/
 /* Descriptive Parameters                                            */
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 \\DATA,10;
 INC-ENGY-LAB=86MEV;
 ENGY-GAMMA=(1313.02KEV'64',381.359KEV'65',1313.02KEV'66');
 INTNSTY-GAMMA=(0.667'64',0.998'65',1.000'66');
 HALF-LIFE=(83.4SEC'64',46.9SEC'65',46.9SEC'66');
 /* '64' Delayed gamma from 136I (ground state) */
 /* '65' Delayed gamma from 136I (metastable state) */
 /* '66' Delayed gamma from 136I (metastable state) */
 CMPD=249ES;
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 /* Data Table                                                        */
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 \DATA;
 XSECTN-RATIO'67' DELTA-XSECTN-RATIO'67' DATA1'68'
 (NODIM) (NODIM) (MEV)
 3.30 +-0.70 56
 \END;
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