/*===================================================================*/ /* NRDF D2025 Data No.6 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,6; 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,6; /* 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=CU(GAMMA,X)10BE; CHM=ELM; PHYS-FORM=SLD; ACC=VDGT; INST-ACC=2JPNTOK'37'; /* '37' Research Center for Nuclear Science and Technology */ INC-ENGY-LAB-RANGE=500[1050MEV; DET-PARTCL=(9BE,10BE); DET-SYS=SBD'38'; /* '38' 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,6; SYS-ERR=15%'10'; /* '10' Uncertainty in beam-intensity calibration */ SYS-ERR=(1%'39',1.5%'40'); /* '39' Uncertainty in amount of beryllium carrier */ /* '40' Uncertainty in absolute isotopic ratio of 10Be standard sample */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB-MAX SIGMA'41' DELTA-SIGMA'41,41' (MEV) (UB) (UB) 1050 25.7 +-5.7 1000 21.0 +-6.3 900 23.8 +-8.7 850 15.2 +-3.8 800 21.0 +-6.2 600 18.4 +-6.4 500 15.6 +-6.2 \END; /*===================================================================*/ |