/*===================================================================*/ /* NRDF D1809 Data No.50 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,50; 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,50; /* 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=27AL(ALPHA,T)X; THK-TGT=10800MG/CM**2; DET-PARTCL=T; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,50; INC-ENGY-LAB=100MEV/A; SYS-ERR=(<3%'314',<1%'315',<1%'316'); /* '314' Uncertainty in the number of accepted beam particles incident on the target is estimated to be less than 3%. */ /* '315' Uncertainty in the solid angle for the thickest carbon target, which has the maximum uncertainty, is less than 1%. /* '316' 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%'317'; /* '317' 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=T; THTL=7.5DEG; DELTA-DN/DOMEGA/DE=<4%'318'; /* '318' Total normalization uncertainty */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-LAB-MIN ENGY-EMT-LAB-MAX DN/DOMEGA/DE'319' (MEV) (MEV) (1/SR/MEV/PARTCL) 40.995 45.368 5.5659e-05 45.368 50.487 0.00031878 50.487 56.030 0.00038158 56.030 61.964 0.00048450 61.964 68.905 0.00047768 68.905 76.295 0.00056037 76.295 84.960 0.00052170 84.960 94.109 0.00060256 94.109 104.85 0.00054050 104.85 116.06 0.00066337 116.06 129.20 0.00067458 129.20 144.78 0.00059924 144.78 160.91 0.00064053 160.91 179.99 0.00049567 179.99 199.29 0.00049101 199.29 222.00 0.00038983 222.00 249.00 0.00023929 249.00 275.65 0.00015050 275.65 307.08 4.6547e-05 \END; /*===================================================================*/ |