/*===================================================================*/ /* NRDF D1745 Data No.3 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,3; D#=D1745; TITLE=/ Elastic proton scattering from 4He at 297 MeV /; PURPOSE=/ To measure diff. cross sections, analyzing power and spin rotation parameters for elastic scattering of protons on 4He at 297MeV. /; ATH=(M.YOSHIMURA'1', M.NAKAMURA'1', H.AKIMUNE'2', I.DAITO'2', T.INOMATA'3', M.ITOH'1', M.KAWABATA'2', T.NORO'2', H.SAKAGUCHI'1', H.TAKEDA'1', A.TAMII'1', K.YONEHARA'4', H.P.YOSHIDA'2', M.YOSOI'1'); INST-ATH=(2JPNKTO'1', 2JPNOSA'2', 2JPNOSA'3', 2JPNKON'4'); /* '1' Department of Physics */ /* '2' Rearch Center for Nuclear Physics */ /* '3' Department of Physics */ /* '4' Department of Physics */ REF=PR/C; VLP=63(2001)034618; /* Secondary reference - Yoshimura, Thesis(2001) RCTS=4HE(P,P)4HE; PHQS=(ANGL-DSTRN, VCTR-ANALPW, DATA'5'); /* '5' Spin Rotation Parameter */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,3; /* 2001-10-19 : Converted, Am + On. Data converted to EXFOR E1745 /* 2005-04-13 : Altered, On */ RTY=ELA-SCATT; ENR=NAT; CHM=ELM; PHYS-FORM=LIQD; THK-TGT=XMG/CM**2'6'; /* '6' The diameter of target cell is 2.00cm and the density of target is 0.1265+-0.0015 g/cm3. */ BAC=AL; THK-BAC=XMG/CM**2'7'; /* '7' The thickness of the cell wall which is penetrated by the beam is 0.2mm. */ POL-TGT=0%; ALGN-TGT=0%; ACC=CYC'8'; /* '8' Isochronous cyclotron, an AVF cyclotron and a ring cyclotron */ INST-ACC=2JPNRCN; INC-ENGY-LAB=297MEV; POL-PRJ=[70%'9'; /* '9' The statistical error of the polarization was (typically) 0.015 */ ION-SOURCE=/ Polarized ion source (An atomic-beam-type polarized ion source with an ECR ionizer.) /; DET-PARTCL=P; COINC=NO; ANT-COINC=NO; DET-SYS=(MAG'10',MWDC'11',SCT'12'); /* '10' Grand Raiden, See M.Fujiwara et al., Nucl. Instr. and Meth., A422, 484 (1999) */ /* '11' VDCS, a system of multiwire drift chambers of vertical-drift type placed along the focal plane of Grand Raiden */ /* '12' FPP, focal plane polarimeter system, see the text */ MONTR-RCT=/ , During the measurements, the beam polarization was continuously monitored by two sets of beam line polarimeters. These polarimeters measured protons scattered at 17deg from a (CH2)n target in coincidence with the recoil protons by four detector, which measure the vertical and horizontal components of the beam polarization. /; /* 2007-03-10 : Altered, On. Replaced by tabulated data in thesis /* 2007-03-10 : Converted, On. Converted to EXFOR E1745 DATA,3 */ RCT=4HE(P,P)4HE; PHQ=DATA'14'; /* '14' Spin Rotation Parameter */ BEAM-INTNSTY=<30NA; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,3; INC-ENGY-LAB=297MEV; STATIST-ERR=<3%'15'; /* '15' The uncertainty from overall normalization errors of Ay is at most 2%. */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC DATA1'16' DELTA-DATA1'16,17' DELTA-DATA1'16,18' DELTA-DATA1'16,19' DELTA-DATA1'16,20' (DEG) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) 12 0.2227 +-0.02773 +-X +-X +-X 18 0.6193 +-0.02478 +-X +-0.02 +-X 24 0.9289 +-0.00339 +-X +-0.025 +-X 31 0.9576 +-0.00235 +-X +-0.025 +-X 36 0.5972 +-0.05217 +-X +-0.02 +-X 42 -0.2435 +-0.02842 +-0.02 +-X +-X 48 -0.2347 +-0.02274 +-0.03 +-X +-X 53 0.1330 +-0.02701 +-0.03 +-X +-X 60 0.4461 +-0.02449 +-0.02 +-X +-X 66 0.5308 +-0.03096 +-0.02 +-X +-0.01 \END; /*===================================================================*/ |