/*===================================================================*/ /* NRDF D1809 Data No.19 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,19; 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,19; /* 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,P)X; THK-TGT=17010MG/CM**2; DET-PARTCL=P; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,19; INC-ENGY-LAB=100MEV/A; SYS-ERR=(<3%'126',<1%'127',<1%'128'); /* '126' Uncertainty in the number of accepted beam particles incident on the target is estimated to be less than 3%. */ /* '127' Uncertainty in the solid angle for the thickest carbon target, which has the maximum uncertainty, is less than 1%. /* '128' 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%'129'; /* '129' 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=0DEG; DELTA-DN/DOMEGA/DE=<4%'130'; /* '130' Total normalization uncertainty */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-LAB-MIN ENGY-EMT-LAB-MAX DN/DOMEGA/DE'131' (MEV) (MEV) (1/SR/MEV/PARTCL) 23.198 25.700 1.4252e-06 25.700 28.636 2.8535e-05 28.636 31.739 0.00020911 31.739 35.386 0.00039305 35.386 39.194 0.00053085 39.194 43.668 0.00060994 43.668 48.975 0.00054853 48.975 54.480 0.00067215 54.480 61.001 0.00061814 61.001 67.605 0.00067361 67.605 75.390 0.00067225 75.390 84.667 0.00051829 84.667 93.841 0.00051314 93.841 104.68 0.00039607 104.68 117.64 0.00020584 117.64 133.34 0.00011375 133.34 148.47 9.4846e-05 148.47 166.57 6.6334e-05 166.57 188.54 3.4562e-05 188.54 215.70 1.1556e-05 215.70 240.61 6.1193e-06 240.61 270.72 2.6638e-06 270.72 307.81 5.2880e-07 307.81 354.53 3.8161e-08 \END; /*===================================================================*/ |