/*===================================================================*/ /* NRDF D1862 Data No.5 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,5; D#=D1862; TITLE=/Depth resolution and recoil cross section for analyzing hydrogen in solids using elastic recoil detection with 4He beam/; PURPOSE=/The aims of this work are: 1) to measure the depth resolution as a function of depth and of incident angle for aluminum targets, 2) to estimate the depth resolution from theoretical considerations for comparison with measurements, and 3) to determine experimentally the recoil cross section for the H(4He,4He)H and D(4He,4He)D reactions. /; ATH=(S.NAGATA'1', S.YAMAGUCHI'1', Y.FUJINO'1', Y.HORI'2', N.SUGIYAMA'2', K.KAMADA'2'); INST-ATH=(2JPNTOH'1', 2JPNNAG'2'); /* '1' Department of Nuclear Engineering */ /* '2' Institute of Plasma Physics */ REF=NIM/B; VLP=6(1985)533; RCTS=1H(4HE,4HE)1H; PHQS=ANGL-DSTRN; /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,5; /* 2004-04-08 : Compiled */ RTY=ELA-SCATT; PHQ=ANGL-DSTRN; ENR=X%; CHM=X'3'; /* '3' Vanadium hydride or deuteride */ PHYS-FORM=SLD'4'; /* '4' Plate */ THK-TGT=XMG/CM**2'5'; /* '5' 1mm thick */ BAC=X; POL-TGT=0%; ALGN-TGT=0%; ACC=X'6'; /* '6' No information given for type and place of accelerator */ INC-ENGY-LAB=1.5[3.0MEV; CHRG-INC-ION=1+; POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=X'7'; /* '7' No information given for type of detectors */ RCT=2H(4HE,4HE)2H; DET-PARTCL=D; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,5; TOT-ERR=20%; SYS-ERR=(4%'24',10%'25',15%'26'); /* '24' Uncertainty in atomic density of targets */ /* '25' Uncertainty in the fluence of incident helium and detector solid angle */ /* '26' Uncertainty in effective thickness */ STATIST-ERR=5%'27'; /* '27' Uncertainty in number of recoiled particles */ RSD=2H; THTL=21.5DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB XSECTN (MEV) (MB/SR) 2.000 467.5 2.062 580.1 2.099 2556.3 2.191 1433.4 2.323 544.2 2.478 526.8 2.601 498.6 2.701 480.1 2.801 471.8 2.897 453.2 2.997 444.9 \END; /*===================================================================*/ |