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/* NRDF D1885 Data No.2 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,2;
D#=D1885;
TITLE=/ Half-life of 228Pu and alpha decay of 228Np /;
PURPOSE=/ To determine evaporation residue cross sections for 228Pu,
228Np, and 225U /;
ATH=(K.NISHIO'1', H.IKEZOE'1', S.MITSUOKA'1', K.SATOU'1', C.J.LIN'1,
2');
INST-ATH=(2JPNJAE'1', 3CPRAEP'2');
/* '1' Advanced Science Research Center */
REF=PR/C;
VLP=68(2003)064305;
RCTS=(198PT(34S,4*N)228PU, 198PT(34S,3*N,P)228NP,
198PT(34S,3*N,ALPHA)225U);
PHQS=(XSECTN, HALF-LIFE);
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,2;
/* 2004-04-13 : Compiled, Kc + On */
ENR=98%;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=0.39MG/CM**2;
BAC=AL;
THK-BAC=XMG/CM**2'3';
/* '3' 1.2 micro-meter thick foil */
POL-TGT=0%;
ALGN-TGT=0%;
ACC=VDGT;
INST-ACC=2JPNJAE;
INC-ENGY-CM=141[143MEV'4';
/* '4' Energy at the half depth of the target layer determined
by calculating the energy loss of beam in the Al foil and target
BEAM-INTNSTY=40[50PNA;
POL-PRJ=0%;
COINC=NO;
ANT-COINC=NO;
DET-SYS=(MAG'5',SI'6');
/* '5' JAERI Recoil Mass Separator used to separate evaporation
residue from the primary beams and other reaction products. */
/* '6' Double-sided position-sensitive silicon detector (73x55
mm**2) to construct alpha-decay chain. Typical energy
resolution of PSD for alpha particle from an 241Am source. */
/* Related references
- R.B.Firestone, FIRESTONE, (1996).
(Kinetic energy of alpha particles and half-life of this literature
are tabulated for other than 228Np.)
- S.A.Kreek et al., PR/C, 50(1994)2288.
(Kinetic energy of alpha particles and half-life of this literature
are tabulated for 228Np.)
RCT=198PT(34S,3*N,P)228NP;
PHQ=XSECTN;
DET-PARTCL=(ALPHA'13',ALPHA'14',ALPHA'15',ALPHA'16',ALPHA'17');
/* '13' Alpha from 228Np */
/* '14' Alpha from 224Pa */
/* '15' Alpha from 220Ac */
/* '16' Alpha from 216Fr */
/* '17' Alpha from 212At (ground state) */
/* Comment to data: T1/2 (228Np) = 56+45-17 sec is determined by
authors. */
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,2;
RSD=228NP;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
INC-ENGY-CM XSECTN XSECTN-MAX'18' DELTA-XSECTN
(MEV) (NB) (NB) (NB)
141.0 X 1.234 +X-X
143.0 6.083 X +3.937-2.721
\END;
/*===================================================================*/
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