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| /*===================================================================*/
/* NRDF D1522 Data No.6 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,6;
D#=D1522;
TITLE=/ Ground-state alpha-decay of N=128 isotones 216Ra, 217Ac and
218Th /;
PURPOSE=/ To measure the alpha-decay properties of N=128 isotones
having Z>=84 /;
ATH=(T.NOMURA'1', K.HIRUTA'1', T.INAMURA'1', M.ODERA'1');
INST-ATH=(2JPNIPC'1');
/* '1' Cyclotron Laboratory */
REF=NP/A;
VLP=217(1973)253;
RCTS=(208PB(12C,3*N)217RA, 208PB(12C,4*N)216RA, 208PB(12C,5*N)215RA,
209BI(14N,5*N)218TH, 208PB(14N,5*N)217AC, 207PB(14N,4*N)217AC,
207PB(14N,X)213FR);
PHQS=(EXC-FUNCT, ANGL-DSTRN);
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,6;
/* 2005-09-14 : Converted, Kc + Sr + On. Converted to EXFOR E1522
/* 2005-11-03 : Altered, Ot + Sr. Re-digitized */
/* 2016-03-23 : Altered, MA: Modified REACTION and DECAY-DATA in
007 */
ENR=>95%;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=[1.0MG/CM**2'2';
/* '2' Thinner targets used when good energy resolution desired */
BAC=SELF;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=CYC;
INST-ACC=2JPNIPC;
POL-PRJ=0%;
COINC=NO;
ANT-COINC=NO;
DET-SYS=SBD'3';
/* '3' To detect alpha particle */
/* 2016-03-23 : Altered, MA: SF4 and DECAY-DATA: 89-AC-217 ->
89-AC-217-G */
RCT=208PB(14N,5*N)217AC;
PHQ=EXC-FUNCT;
DET-PARTCL=ALPHA'18';
/* '18' Alpha from 217Ac (ground state). E(alpha)=9.650+-0.010
MeV, T(1/2)=111+-7 ns */
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,6;
ENGY-EMT-LAB=9.65MEV'19';
HALF-LIFE=111NSEC'19';
/* '19' Alpha from 217Ac (ground state) (E(alpha)=9.650+-0.010
MeV, T(1/2)=111+-7 ns) */
CMPD=222AC;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
INC-ENGY-CM'20' EXC-ENGY'21' SIGMA DELTA-SIGMA
(MEV) (MEV) (MB) (MB)
7.669E+01 4.118E+01 7.970E+00 +8.904E-01-1.119E+00
8.466E+01 4.915E+01 8.572E+01 +5.348E+00-7.439E+00
9.007E+01 5.456E+01 4.023E+01 +3.161E+00-2.931E+00
\END;
/*===================================================================*/
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