/*===================================================================*/ /* NRDF D1809 Data No.25 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,25; 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,25; /* 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,D)X; THK-TGT=8850MG/CM**2; DET-PARTCL=D; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,25; INC-ENGY-LAB=100MEV/A; SYS-ERR=(<3%'162',<1%'163',<1%'164'); /* '162' Uncertainty in the number of accepted beam particles incident on the target is estimated to be less than 3%. */ /* '163' Uncertainty in the solid angle for the thickest carbon target, which has the maximum uncertainty, is less than 1%. /* '164' 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%'165'; /* '165' 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%'166'; /* '166' Total normalization uncertainty */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-LAB-MIN'167' ENGY-EMT-LAB-MAX DN/DOMEGA/DE'168' (MEV) (MEV) (1/SR/MEV/PARTCL) X 41.309 0.00027313 41.309 45.937 0.0011440 45.937 50.863 0.0017429 50.863 56.640 0.0016290 56.640 62.740 0.0019186 62.740 69.900 0.0018138 69.900 77.370 0.0022534 77.370 86.134 0.0024470 86.134 96.518 0.0023403 96.518 107.27 0.0028124 107.27 120.00 0.0027012 120.00 132.86 0.0031176 132.86 148.00 0.0028337 148.00 166.00 0.0019157 166.00 183.77 0.0017775 183.77 204.72 0.0012266 204.72 229.70 0.00064719 229.70 259.88 0.00021633 259.88 288.88 6.9622e-05 288.88 323.45 1.5725e-05 \END; /*===================================================================*/ |