/*===================================================================*/ /* NRDF D2025 Data No.12 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,12; 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,12; /* 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=89Y(GAMMA,X)10BE; CHM=ELM; PHYS-FORM=SLD; ACC=VDGT; INST-ACC=2JPNTOK'69'; /* '69' Research Center for Nuclear Science and Technology */ INC-ENGY-LAB-RANGE=600[800MEV; DET-PARTCL=(9BE,10BE); DET-SYS=SBD'70'; /* '70' 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,12; SYS-ERR=15%'10'; /* '10' Uncertainty in beam-intensity calibration */ SYS-ERR=(1%'71',1.5%'72'); /* '71' Uncertainty in amount of beryllium carrier */ /* '72' Uncertainty in absolute isotopic ratio of 10Be standard sample */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB-MAX SIGMA'73' DELTA-SIGMA'73,73' (MEV) (UB) (UB) 800 13.8 +-5.5 600 14.2 +-5.0 \END; /*===================================================================*/ |