/*===================================================================*/ /* NRDF D1808 Data No.1 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,1; D#=D1808; TITLE=/Characterization of a 40-90 MeV 7Li(p,n) neutron source at TIARA using a proton recoil telescope and a TOF method/; PURPOSE=/The purpose of this experiment is to measure the intensity and the spectrum of neutron source produced by 7Li(p,n) reaction with PRT and TOF methods./; ATH=(M.BABA'1', Y.NAUCHI'1', T.IWASAKI'1', T.KIYOSUMI'1', M.YOSHIOKA'1', S.MATSUYAMA'1', N.HIRAKAWA'1', T.NAKAMURA'2', SU.TANAKA'3', S.MEIGO'1', H.NAKASHIMA'4', SH.TANAKA'5', N.NAKAO'6'); INST-ATH=(2JPNTOH'1', 2JPNTOH'2', 2JPNJAE'3', 2JPNJAE'4', 2JPNJAE'5', 2JPNKEK'6'); /* '1' Graduate School of Quantum Science & Energy Engineering */ /* '2' Cyclotron Radioisotope Center */ /* '3' Takasaki Establishment */ /* '4' Tokai Establishment */ /* '5' Planning Office */ /* '6' Tanashi Branch */ REF=NIM/A; VLP=428(1999)454; RCTS=7LI(P,N)7BE; PHQS=XSECTN'7'; /* '7' The 0-degree cross section for the peak neutron production was deduced from the present data by integration of the spectra over the peak area. */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,1; /* 2004-06-07 : Compiled */ /* Additional result not compiled: - Energy distribution (Energy distribution of neutron (shown by continuous lines in the reference and unobtainable from author)) ENR=99.8%; CHM=ELM; PHYS-FORM=SLD'8'; /* '8' Target is a rolled plate of metallic 7Li, 35-mm diameter. POL-TGT=0%; ALGN-TGT=0%; ACC=CYC'9'; /* '9' Isochronous cyclotron, K=110 AVF cyclotron of TIARA */ INST-ACC=2JPNJAE'10'; /* '10' Takasaki Establishment */ POL-PRJ=0%; DET-PARTCL=N; COINC=NO; ANT-COINC=NO; RCT=7LI(P,N)7BE; RTY=KNOCK'11'; /* '11' 7Li(p,n)7Be */ PHQ=XSECTN'12'; /* '12' The 0-degree cross section for the peak neutron production was deduced from the present data by integration of the spectra over the peak area. */ THK-TGT=XMG/CM**2'13'; /* '13' Target thicknesses 3.60, 3.80, 4.30, 4.70, 5.00, 5.20, 6.00, 6.75 mm are for the incident proton eneryg Ep=43, 48, 53, 58, 63, 68, 78 and 87 MeV, respectively. */ INC-ENGY-LAB=43[87MEV; DET-SYS=(NAI'14',SI'15',SCT'16',TOF); /* '14' Used as E counter to measure recoil proton in PRT method /* '15' Used as dE counter to measure recoil proton in PRT method /* '16' Organic scintillator (BC501A, NE213) used as TOF counter /* Experimental Method: - PRT (Proton Recoil Telescope method) - Time-of-flight /* Analysis: - Integration of energy distribution (Integration of the spectra over the peak area) /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,1; RSD=7BE; THTL=0DEG; EXC-ENGY=(0.0MEV,0.431MEV)'17'; /* '17' Deduced from Q-values given in p458 of the reference */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA (MEV) (MB/SR) (%) 43 35.0 +-3.4 48 29.8 +-3.3 53 33.4 +-4.7 58 34.6 +-3.6 63 33.8 +-3.5 68 33.9 +-3.9 78 35.5 +-4.5 87 35.1 +-6.2 \END; /*===================================================================*/ |