/*===================================================================*/ /* NRDF D1809 Data No.49 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,49; 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,49; /* 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,49; INC-ENGY-LAB=100MEV/A; SYS-ERR=(<3%'308',<1%'309',<1%'310'); /* '308' Uncertainty in the number of accepted beam particles incident on the target is estimated to be less than 3%. */ /* '309' Uncertainty in the solid angle for the thickest carbon target, which has the maximum uncertainty, is less than 1%. /* '310' 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%'311'; /* '311' 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%'312'; /* '312' Total normalization uncertainty */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-LAB-MIN ENGY-EMT-LAB-MAX DN/DOMEGA/DE'313' (MEV) (MEV) (1/SR/MEV/PARTCL) 41.308 45.733 2.7407e-05 45.733 50.916 0.00035440 50.916 56.533 0.00062702 56.533 62.550 0.00075626 62.550 69.594 0.00076461 69.594 77.099 0.00090753 77.099 85.908 0.00088579 85.908 95.218 0.0011136 95.218 106.16 0.0010467 106.16 117.58 0.0012882 117.58 131.00 0.0014756 131.00 146.93 0.0012901 146.93 163.44 0.0014597 163.44 183.00 0.0013094 183.00 202.82 0.0014487 202.82 226.17 0.0013321 226.17 254.00 0.0010531 254.00 281.52 0.00089355 281.52 314.04 0.00048445 314.04 352.91 0.00015005 \END; /*===================================================================*/ |