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| /*===================================================================*/
/* NRDF D1968 Data No.4 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,4;
D#=D1968;
TITLE=/ Excitation functions of Ge(p,xnyp) reactions and production
of 68Ge /;
PURPOSE=/ To measure cross sections for the Ge(p,xn)As, (p,pxn)Ge
and (p,alphapxn)Zn reactions in the proton energy range of
19-64 MeV. /;
ATH=(T.HORIGUCHI'1', H.KUMAHORA'1', H.INOUE'1', Y.YOSHIZAWA'1');
INST-ATH=(2JPNHIR'1');
/* '1' Facalty of Science */
REF=ARI;
VLP=34(1983)1531;
RCTS=(GE(P,X)71AS, GE(P,X)72AS, GE(P,X)73AS, GE(P,X)74AS,
GE(P,X)68GE, GE(P,X)69GE, GE(P,X)66GA, GE(P,X)67GA,
GE(P,X)65ZN);
PHQS=(XSECTN, TTY);
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,4;
/* 2006-06-28 : Compiled, Tk + On */
ENR=NAT;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=107MG/CM**2;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=CYC'2';
/* '2' Isochronous cyclotron, AVF cyclotron */
INST-ACC=2JPNRCN;
INC-ENGY-LAB=65MEV;
ERS-PRJ=0.5%'3';
/* '3' Maximum value */
BEAM-INTNSTY=1UA;
POL-PRJ=0%;
COINC=NO;
ANT-COINC=NO;
DET-SYS=GE(LI)'4';
/* '4' To measure gamma rays from product nuclei */
/* Experimental Method:
- Activation (Irradiated for 1-2 hour)
- Stacked target irradiation
- Gamma ray spectrometry (Measured 40 hour after the end of
irradiation for short-lived nuclei (66As, 67As, 68As, 69As, 70As,
66Ge, 67Ge, 65Ga, 68Ga, 70Ga) and 1 month for long-lived nuclei
(73As, 74As, 68Ge, 65Zn))
/* No description of cumulative production and isomeric transition in
references */
/* Related references
- D.Basile et al., ARI, 32(1981)403.
Reference with which data disagree (Proton energy at peak is 2 MeV
lower than present result). See also EXFOR A0190.005.
RCT=GE(P,X)74AS;
PHQ=XSECTN;
DET-PARTCL=GAMMA'19';
/* '19' Delayed gamma from 74As */
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,4;
INC-ENGY-LAB=65MEV;
TOT-ERR=16%'5';
/* '5' Maximum overaluncertainty (11-16%) */
SYS-ERR=(2%'6',10%'7',3%'8',11%'9');
/* '6' Uncertainty in target thickness */
/* '7' Uncertainty in proton beam current (relatively 2% and
absolutely 10%) */
/* '8' Uncertainty in detector efficiency */
/* '9' Maximum uncertainty in gamma-ray intensities per decay
(0.2-11%) */
STATIST-ERR=3%'10';
/* '10' Maximum uncertainty in gamma-ray peak areas (0.1-3%) */
ENGY-GAMMA=(595.9KEV'20',634.8KEV'21');
INTNSTY-GAMMA=(0.60'20',0.149'21');
HALF-LIFE=(17.78DAY'21',17.78DAY'20');
/* '20' Delayed gamma from 74As via NONe */
/* '21' Delayed gamma from 74As via NONe */
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
INC-ENGY-LAB SIGMA
(MEV) (MB)
1.890E+01 5.137E+01
2.451E+01 5.795E+01
2.939E+01 8.126E+01
3.126E+01 8.206E+01
3.365E+01 7.779E+01
3.552E+01 6.354E+01
3.915E+01 4.466E+01
4.061E+01 3.646E+01
4.289E+01 3.342E+01
4.414E+01 2.920E+01
4.736E+01 2.478E+01
4.861E+01 2.327E+01
5.058E+01 2.207E+01
5.182E+01 2.103E+01
5.473E+01 1.891E+01
5.556E+01 1.864E+01
5.764E+01 1.717E+01
5.878E+01 1.751E+01
6.148E+01 1.621E+01
6.418E+01 1.471E+01
\END;
/*===================================================================*/
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