/*===================================================================*/ /* NRDF D1809 Data No.40 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,40; D#=D1809; TITLE=/Spectral measurements of neutrons, protons, deuterons and tritons produced by 100 MeV/nucleon He bombardment/; PURPOSE=/To present the angular-energy distributions of neutrons, protons, deuterons and tritons produced from thick carbon, aluminum, copper and lead targets bombarded by 100 MeV/nucleon helium ion. /; ATH=(T.KUROSAWA'1', T.NAKAMURA'1', N.NAKAO'2', T.SHIBATA'3', Y.UWAMINO'4', A.FUKUMURA'5'); INST-ATH=(2JPNTOH'1', 2JPNKEK'2', 2JPNKEK'3', 2JPNIPC'4', 2JPNIRS'5'); /* '1' Cyclotron and Radioisotope Center */ /* '2' Tanashi Branch */ REF=NIM/A; VLP=430(1999)400; RCTS=(12C(ALPHA,P)X, 27AL(ALPHA,P)X, CU(ALPHA,P)X, PB(ALPHA,P)X, 12C(ALPHA,D)X, 27AL(ALPHA,D)X, CU(ALPHA,D)X, PB(ALPHA,D)X, 12C(ALPHA,T)X, 27AL(ALPHA,T)X, CU(ALPHA,T)X, PB(ALPHA,T)X); PHQS=ENGY-SPEC'6'; /* '6' Double differential thick target yield */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,40; /* 2003-09-13 : Compiled */ PHQ=ENGY-SPEC'7'; /* '7' Double differential thick target yield */ ENR=X%; CHM=ELM; PHYS-FORM=SLD; POL-TGT=0%; ALGN-TGT=0%; ACC=SYN'8'; /* '8' Heavy Ion Medical Accelerator in Chiba (HIMAC) */ INST-ACC=2JPNIRS; INC-ENGY-LAB=100MEV/A; POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=(SCT'9',SCT'10',TOF'11',EDE'12'); /* '9' Plastic scintillator (NE102A) was used as the delta-E counter, ToF start signal detector, and incident projectile counter */ /* '10' Liquid scintillator (NE213) was used as the E counter */ /* '11' To measure the energy of outgoing neutrons, protons, deuterons and tritons */ /* '12' To eliminate charged particles */ ANL=MONTE-MTHD'13'; /* '13' LAHET Monte Carlo Code System, LCS [R.E. Prael, H. Lichtenstein, LA-UR-89-3014, Los Alamos National Laboratory, 1989.] */ /* Experimental Method: - Time-of-flight (To measure the energy of outgoing neutrons, protons, deuterons and tritons) - Particle identification by 'E/Delta E' measurement (To eliminate charged particles) RCT=PB(ALPHA,D)X; THK-TGT=17010MG/CM**2; DET-PARTCL=D; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,40; INC-ENGY-LAB=100MEV/A; SYS-ERR=(<3%'254',<1%'255',<1%'256'); /* '254' Uncertainty in the number of accepted beam particles incident on the target is estimated to be less than 3%. */ /* '255' Uncertainty in the solid angle for the thickest carbon target, which has the maximum uncertainty, is less than 1%. /* '256' Uncertainty of charged particle detection efficiency is estimated to be 1%, considering a small fraction of the slant incidence of a particle onto the detector. */ STATIST-ERR=X%'257'; /* '257' The statistical uncertainties vary from 2-5% in the low to medium energy (5-50 MeV) region of the spectra and increase to about 30% at the highest energies. */ EMT=D; THTL=0DEG; DELTA-DN/DOMEGA/DE=<4%'258'; /* '258' Total normalization uncertainty */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-LAB-MIN ENGY-EMT-LAB-MAX DN/DOMEGA/DE'259' (MEV) (MEV) (1/SR/MEV/PARTCL) 35.127 39.077 8.8015e-06 39.077 43.320 0.00015250 43.320 48.305 0.00024948 48.305 53.633 0.00032033 53.633 59.911 0.00030217 59.911 66.571 0.00034757 66.571 74.432 0.00035404 74.432 82.677 0.00041827 82.677 92.409 0.00038696 92.409 102.45 0.00046107 102.45 114.27 0.00053739 114.27 128.34 0.00046890 128.34 142.67 0.00048955 142.67 159.64 0.00042029 159.64 179.99 0.00026149 179.99 200.24 0.00021915 200.24 224.33 0.00012913 224.33 253.36 5.2506e-05 253.36 281.16 1.9334e-05 281.16 314.20 5.6650e-06 314.20 354.01 2.6871e-07 \END; /*===================================================================*/ |