/*===================================================================*/ /* NRDF D1809 Data No.53 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,53; 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,53; /* 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,53; INC-ENGY-LAB=100MEV/A; SYS-ERR=(<3%'333',<1%'334',<1%'335'); /* '333' Uncertainty in the number of accepted beam particles incident on the target is estimated to be less than 3%. */ /* '334' Uncertainty in the solid angle for the thickest carbon target, which has the maximum uncertainty, is less than 1%. /* '335' 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%'336'; /* '336' 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=0DEG; DELTA-DN/DOMEGA/DE=<4%'337'; /* '337' Total normalization uncertainty */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-LAB-MIN ENGY-EMT-LAB-MAX DN/DOMEGA/DE'338' (MEV) (MEV) (1/SR/MEV/PARTCL) 41.308 45.733 2.1998e-05 45.733 50.916 0.00024149 50.916 56.533 0.00039229 56.533 62.550 0.00046391 62.550 69.594 0.00045970 69.594 77.099 0.00055335 77.099 85.908 0.00054060 85.908 95.218 0.00064778 95.218 106.16 0.00061994 106.16 117.58 0.00073040 117.58 131.00 0.00085023 131.00 146.93 0.00074279 146.93 163.44 0.00085120 163.44 183.00 0.00076469 183.00 202.82 0.00082600 202.82 226.17 0.00073349 226.17 254.00 0.00054877 254.00 281.52 0.00045236 281.52 314.04 0.00023571 314.04 352.91 7.6012e-05 \END; /*===================================================================*/ |