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/* NRDF D2025 Data No.5 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,5;
D#=D2025;
TITLE=/ Yield measurements of 7Be and 10Be produced by photonuclear
reactions at intermediate energies: Intercomparison of
fragmentation processes between photon- and proton-induced
reactions /;
ATH=(S.SHIBATA'1', M.IMAMURA'1', K.SAKAMOTO'2', S.OKIZAKI'2',
S.SHIBUTANI'2', H.MATSUMURA'2', M.FURUKAWA'3', I.FUJIWARA'4',
H.NAGAI'5', K.KOBAYASHI'6');
INST-ATH=(2JPNINS'1', 2JPNKNZ'2', 2JPNNAG'3', 2JPNJPN'4', 2JPNJPN'5',
2JPNTOK'6');
/* '2' Department of Chemistry */
/* '3' Department of Chemistry */
/* '4' School of Economics, Otemon Gakuin University, Ibaragi */
/* '5' College of Humanities and Sciences, Nihon University,
Tokyo */
/* '6' Research Center for Nuclear Science and Technology */
REF=RCA;
VLP=80(1998)181;
RCTS=(O(GAMMA,X)7BE, 27AL(GAMMA,X)7BE, CU(GAMMA,X)7BE,
O(GAMMA,X)10BE, 27AL(GAMMA,X)10BE, CU(GAMMA,X)10BE,
CL(GAMMA,X)7BE, 59CO(GAMMA,X)7BE, 89Y(GAMMA,X)7BE,
CL(GAMMA,X)10BE, 59CO(GAMMA,X)10BE, 89Y(GAMMA,X)10BE);
PHQS=XSECTN;
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,5;
/* 2007-02-17 : Compiled, N.Otuka */
/* Related references
- B.Johnsson et al., ZP/A, 273(1975)97.
Reference for monitor (27Al(g,2p+n)24Na cross section)
PHQ=XSECTN;
THK-TGT=200[1000MG/CM**2'7';
/* '7' 2 cm (diameter) x 1 cm for water target */
POL-TGT=0%;
ALGN-TGT=0%;
ACC=SYN'8';
/* '8' 1.3 GeV electron synchrotron */
INST-ACC=2JPNINS;
BEAM-INTNSTY=XMA'9';
/* '9' 5e+08 to 3e+9 equivalent quanta per second */
POL-PRJ=0%;
ION-SOURCE=/ Bremsstrahlung (By internal target of Pt with 0.05 mm
thickness) /;
COINC=NO;
ANT-COINC=NO;
/* Experimental Method:
- Activation (Iirradiation for about 4 hours )
- Stacked target irradiation (Stacked by sandwiching with Al
plates)
/* Authors give yield with unit of [micro-barn/equivalent quantum]. */
RCT=27AL(GAMMA,X)10BE;
CHM=ELM;
PHYS-FORM=SLD;
ACC=VDGT;
INST-ACC=2JPNTOK'31';
/* '31' Research Center for Nuclear Science and Technology */
INC-ENGY-LAB-RANGE=500[1050MEV;
DET-PARTCL=(9BE,10BE);
DET-SYS=SBD'32';
/* '32' To detect 9Be and 10Be */
MONTR-RCT=/ 27AL(GAMMA,N,2*P)24NA /;
/* Experimental Method:
- Accelerator mass spectrometry (To determine isotopic ratio of
9Be/10Be)
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,5;
SYS-ERR=15%'10';
/* '10' Uncertainty in beam-intensity calibration */
SYS-ERR=(1%'33',1.5%'34');
/* '33' Uncertainty in amount of beryllium carrier */
/* '34' Uncertainty in absolute isotopic ratio of 10Be standard
sample */
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
INC-ENGY-LAB-MAX SIGMA'35' DELTA-SIGMA'35,35'
(MEV) (UB) (UB)
1050 46.8 +-6.7
1000 40.8 +-9.2
900 37.2 +-10.6
850 46.1 +-6.9
800 45.9 +-10.5
700 36.4 +-9.0
600 24.5 +-5.4
550 21.4 +-5.5
500 27.4 +-7.0
\END;
/*===================================================================*/
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