/*===================================================================*/ /* NRDF D2026 Data No.2 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,2; D#=D2026; TITLE=/ Rare gas isotope yields in Bremsstrahlung-induced nuclear reactions of 41K, 87Rb, 127I, 133Cs, and 139La /; ATH=(Y.OURA'2', A.YAZAWA'1', M.YOSHIDA'1', S.R.SARKAR'2', K.SAKAMOTO'1, 2', S.SHIBATA'3', I.FUJIWARA'4', M.FURUKAWA'5'); INST-ATH=(2JPNKNZ'1', 2JPNKNZ'2', 2JPNINS'3', 2JPNJPN'4', 2JPNNAG'5'); /* '1' Department of Chemistry */ /* '2' Division of Physical Sciences, Graduate School of Natural Science and Technology */ /* '4' School of Economics, Otemon Gakuin Univ., Ibaragi */ /* '5' Department of Chemistry */ REF=RCA; VLP=68(1995)27; RCTS=(41K(GAMMA,PIP)41AR, 87RB(GAMMA,PIP)87KR, 133CS(GAMMA,PIP)133XE, 127I(GAMMA,PIN)127XE, 127I(GAMMA,PIN,2*N)125XE, 127I(GAMMA,PIN,4*N)123XE, 127I(GAMMA,PIN,5*N)122XE, 127I(GAMMA,PIN,6*N)121XE, 133CS(GAMMA,X)131XE, 133CS(GAMMA,X)129XE, 133CS(GAMMA,X)127XE, 133CS(GAMMA,X)125XE, 133CS(GAMMA,X)123XE, 133CS(GAMMA,X)122XE, 133CS(GAMMA,X)121XE, 139LA(GAMMA,X)129XE, 139LA(GAMMA,X)127XE, 139LA(GAMMA,X)125XE, 139LA(GAMMA,X)123XE, 139LA(GAMMA,X)122XE, 139LA(GAMMA,X)121XE); PHQS=XSECTN; /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,2; /* 2007-02-17 : Compiled, N.Otuka */ /* Related references - S.R.Sarkar et al., RCA, 55(1991)139. (Correction for isobaric precursor decays) PHQ=XSECTN; PHYS-FORM=SLD; THK-TGT=([640MG/CM**2,[860MG/CM**2); POL-TGT=0%; ALGN-TGT=0%; ACC=(LINAC'6',SYN'7'); /* '6' 300 MeV electron linac for E(max) <250 MeV */ /* '7' 1.3 GeV electron synchrotron for E(max) >250 MeV */ INST-ACC=(2JPNTOH'8',2JPNINS); /* '8' Laboratory of Nuclear Science */ POL-PRJ=0%; ION-SOURCE=/ Bremsstrahlung (By internal target of Pt with 0.5 mm (Sendai) or 0.05 mm (Tokyo) thickness) /; COINC=NO; ANT-COINC=NO; DET-SYS=HPGE'9'; /* '9' To perform gamma-ray measurement */ ANL=X'10'; /* '10' Cascade-evaporation code PICA */ /* Experimental Method: - Activation (Irradiated for 5-10 min (Sendai) and 60-240 min (Tokyo)) - Gamma ray spectrometry (Measured over 3 months) /* Authors give yield with unit of [micro-barn/equivalent quantum]. */ /* Correction of isobaric precursor decays by iterative non-linear squares fit for cumulative yields */ RCT=87RB(GAMMA,PIP)87KR; CHM=X'15'; /* '15' RbCl */ INC-ENGY-LAB-RANGE=50[1200MEV; DET-PARTCL=GAMMA'16'; /* '16' Delayed gamma from 87Kr */ /* By author: Including secondary particle-induced reaction (n,p) */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,2; ENGY-GAMMA=402.6KEV'17'; INTNSTY-GAMMA=0.496'17'; HALF-LIFE=1.272HOUR'17'; /* '17' Delayed gamma from 87Kr */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB-MAX SIGMA DELTA-SIGMA'18' (MEV) (UB) (UB) 1200 17.9 +-1.5 1000 21.4 +-0.7 950 17 +-2 900 18.8 +-3.2 800 22 +-2.5 750 16.5 +-1.6 700 16.7 +-0.7 650 18.4 +-3.2 600 14.2 +-1.2 550 16.8 +-2 500 16.1 +-1.6 450 13 +-2 400 13.1 +-2 375 9.3 +-4.6 365 12 +-21 320 7.9 +-1.9 315 8.98 +-2.08 275 6.3 +-0.8 250 6.9 +-0.9 220 2.8 +-0.11 220 2.48 +-0.13 200 1.3 +-0.2 162 0.369 +-0.133 160 0.774 +-0.227 150 0.453 +-0.199 130 1.36 +-0.36 100 0.507 +-0.071 90 0.472 +-0.22 80 0.442 +-0.292 68 0.399 +-0.042 66 0.328 +-0.021 50 0.36 +-0.01 \END; /*===================================================================*/ |