/*===================================================================*/ /* NRDF D1809 Data No.2 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,2; 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,2; /* 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=12C(ALPHA,P)X; THK-TGT=8850MG/CM**2; DET-PARTCL=P; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,2; INC-ENGY-LAB=100MEV/A; SYS-ERR=(<3%'20',<1%'21',<1%'22'); /* '20' Uncertainty in the number of accepted beam particles incident on the target is estimated to be less than 3%. */ /* '21' Uncertainty in the solid angle for the thickest carbon target, which has the maximum uncertainty, is less than 1%. */ /* '22' 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%'23'; /* '23' 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=P; THTL=7.5DEG; DELTA-DN/DOMEGA/DE=<4%'24'; /* '24' Total normalization uncertainty */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-LAB-MIN'25' ENGY-EMT-LAB-MAX DN/DOMEGA/DE'26' (MEV) (MEV) (1/SR/MEV/PARTCL) X 28.320 0.00027559 28.320 31.370 0.0013878 31.370 34.950 0.0016169 34.950 38.685 0.0020089 38.685 43.067 0.0020770 43.067 48.259 0.0019929 48.259 53.637 0.0022584 53.637 59.998 0.0018814 59.998 66.430 0.0020083 66.430 73.999 0.0017817 73.999 83.001 0.0011937 83.001 91.885 0.0010873 91.885 102.36 0.00074722 102.36 114.85 0.00052710 114.85 129.94 0.00024569 129.94 144.44 0.00018307 144.44 161.72 0.00011393 161.72 182.63 5.4059e-05 182.63 208.33 1.5875e-05 208.33 231.79 7.9058e-06 231.79 260.01 2.7938e-06 260.01 294.53 8.0600e-07 \END; /*===================================================================*/ |