/*===================================================================*/ /* NRDF D1882 Data No.3 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,3; D#=D1882; TITLE=/ Spallation of niobium by 12 GeV protons /; ATH=(T.TOMINAKA'1', S.BAN'1', H.IKEDA'1', K.KATOH'1', K.KONDO'1', M.TAKASAKI'1', A.YAMAMOTO'1', H.HIRABAYASHI'1', Y.NARAHARA'2'); INST-ATH=(2JPNLEP'1', 2JPNTSU'2'); /* '2' Institute of Physics */ REF=NP/A; VLP=414(1984)385; RCTS=93NB(P,X)X; PHQS=(XSECTN'3', XSECTN'4', XSECTN); /* '3' Independent cross section */ /* '4' Cumulative cross section */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,3; /* 2004-02-28 : Compiled, Kc + On */ /* Related references - C.M.Lederer et al., LEDERER-7, (1978). Reference from which data were used (Decay data) - J.B.Cumming et al., NIM, 180(1981)37. CHM=ELM; PHYS-FORM=SLD; THK-TGT=XMG/CM**2'5'; /* '5' 50 micro-meter thick for each stack */ POL-TGT=0%; ALGN-TGT=0%; ACC=SYN; INST-ACC=2JPNKEK; INC-ENGY-LAB=12GEV; BEAM-INTNSTY=XUA'6'; /* '6' about 1.2e11 protons/pulse */ POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=GE(LI)'7'; /* '7' Resolution is 2.0 keV at 1332 keV. Efficiency is 10 % relative to 7.6 cm x 7.6 cm NaI. */ /* Experimental Method: - Irradiation with external beam (Exposed for 3 min) - Gamma ray spectrometry (Measured commencing at 75 min after the irradiation and continuing intermittently for 200 days) RCT=93NB(P,X)X; PHQ=XSECTN; DET-PARTCL=GAMMA'19'; /* '19' . Gamma energies and half-lives are not given except the half-life of 89Nb (66 min). */ MONTR-RCT=/ 27AL(P,N,3*P)24NA /; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,3; INC-ENGY-LAB=12GEV; SYS-ERR=[10%'20'; /* '20' Uncertainty due to the secondary emission chamber calibration */ DATA1=28GEV'21'; /* '21' Incident energy for adopted monitor cross section which is independent between 10 and 28 GeV [J.B. Cumming, Ann. Rev. Nucl. Sci. 13(1963)261]. */ DATA2=7.92MB; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; Z A ISOMER XSECTN'22' DELTA-XSECTN'22,23' (NODIM) (NODIM) (NODIM) (MB) (MB) 25 52 X 1.61 +-0.10 41 89 1. 1.18 +-0.18 \END; /*===================================================================*/ |