/*===================================================================*/ /* NRDF D1862 Data No.6 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,6; 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,6; /* 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,6; TOT-ERR=20%; SYS-ERR=(4%'28',10%'29',15%'30'); /* '28' Uncertainty in atomic density of targets */ /* '29' Uncertainty in the fluence of incident helium and detector solid angle */ /* '30' Uncertainty in effective thickness */ STATIST-ERR=5%'31'; /* '31' Uncertainty in number of recoiled particles */ RSD=2H; THTL=31.3DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB XSECTN (MEV) (MB/SR) 1.956 324.6 2.063 477.0 2.103 1103.7 2.175 942.7 2.196 549.0 2.310 408.6 2.399 358.9 2.502 349.7 2.606 350.6 2.705 341.4 2.801 332.2 3.049 283.9 \END; /*===================================================================*/ |