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/* NRDF D2025 Data No.4 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,4;
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,4;
/* 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=O(GAMMA,X)10BE;
CHM=X'24';
/* '24' Water */
PHYS-FORM=LIQD;
ACC=VDGT;
INST-ACC=2JPNTOK'25';
/* '25' Research Center for Nuclear Science and Technology */
INC-ENGY-LAB-RANGE=380[1050MEV;
DET-PARTCL=(9BE,10BE);
DET-SYS=SBD'26';
/* '26' 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,4;
SYS-ERR=15%'10';
/* '10' Uncertainty in beam-intensity calibration */
SYS-ERR=(1%'27',1.5%'28');
/* '27' Uncertainty in amount of beryllium carrier */
/* '28' Uncertainty in absolute isotopic ratio of 10Be standard
sample */
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
INC-ENGY-LAB-MAX SIGMA'29' DELTA-SIGMA'29,29'
(MEV) (UB) (UB)
1050 68.3 +-4.4
1000 62.4 +-8.1
850 60.9 +-4.1
700 61.2 +-7.7
600 64.3 +-6.0
550 54.6 +-5.0
450 54.8 +-7.0
430 56.1 +-9.5
380 35.4 +-8.5
\END;
/*===================================================================*/
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