/*===================================================================*/ /* NRDF D1809 Data No.55 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,55; 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,55; /* 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=CU(ALPHA,T)X; THK-TGT=13395MG/CM**2; DET-PARTCL=T; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,55; INC-ENGY-LAB=100MEV/A; SYS-ERR=(<3%'345',<1%'346',<1%'347'); /* '345' Uncertainty in the number of accepted beam particles incident on the target is estimated to be less than 3%. */ /* '346' Uncertainty in the solid angle for the thickest carbon target, which has the maximum uncertainty, is less than 1%. /* '347' 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%'348'; /* '348' 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=15DEG; DELTA-DN/DOMEGA/DE=<4%'349'; /* '349' Total normalization uncertainty */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-LAB-MIN ENGY-EMT-LAB-MAX DN/DOMEGA/DE'350' (MEV) (MEV) (1/SR/MEV/PARTCL) 37.354 41.405 7.1405e-06 41.405 46.160 2.0536e-05 46.160 51.116 7.8884e-05 51.116 56.925 0.00012369 56.925 63.794 0.00011079 63.794 70.894 0.00013533 70.894 79.266 0.00011202 79.266 87.702 0.00012842 87.702 97.585 0.00013238 97.585 109.27 0.00012956 109.27 123.25 0.00010672 123.25 137.10 0.00012047 137.10 153.49 0.00010572 153.49 173.12 6.8498e-05 173.12 191.76 6.5794e-05 191.76 213.70 4.9953e-05 213.70 239.81 3.3162e-05 239.81 271.27 2.4345e-05 271.27 309.72 1.0042e-05 309.72 344.55 1.9618e-06 \END; /*===================================================================*/ |