/*===================================================================*/ /* NRDF D1823 Data No.7 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,7; D#=D1823; TITLE=/Cross section and induced polarization in 3He elastic scattering at 443 MeV/; PURPOSE=/Angular distributions of the differential cross section and the induced polarization of 3He elastic scattering on 12C, 58Ni, and 90Zr targets were measured at 443 MeV incident energy to compare with optical model and Single folding (SF) model calculations /; ATH=(J.KAMIYA'1', K.HATANAKA'1,2', T.ADACHI'2', K.FUJITA'1', K.HARA'1', T.KAWABATA'3', T.NORO'4', H.SAKAGUCHI'5', N.SAKAMOTO'1', Y.SAKEMI'1', Y.SHIMBARA'2', Y.SHIMIZU'1', S.TERASHIMA'5', M.UCHIDA'5', T.WAKASA'1', Y.YASUDA'5', H.P.YOSHIDA'1', M.YOSOI'5'); INST-ATH=(2JPNRCN'1', 2JPNOSA'2', 2JPNTOK'3', 2JPNKYU'4', 2JPNKTO'5'); /* '2' Department of Physics */ /* '3' Center for Nuclear Study */ /* '4' Department of Physics */ /* '5' Department of Physics */ REF=PR/C; VLP=67(2003)064612; RCTS=(12C(3HE,3HE)12C, 58NI(3HE,3HE)58NI, 90ZR(3HE,3HE)90ZR); PHQS=(ANGL-DSTRN, POL, OPT-POTL-PARA); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,7; /* 2004-02-04 : Compiled */ RTY=ELA-SCATT; CHM=ELM; PHYS-FORM=SLD; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=(CYC'6',CYC'7'); /* '6' Isochronous cyclotron, AVF cyclotron to accelerate 3He to 93 MeV */ /* '7' Ring cyclotron to accelerated 3He to 443 MeV */ INST-ACC=(2JPNRCN'6',2JPNRCN'7'); INC-ENGY-LAB=443MEV; BEAM-INTNSTY=40NA; CHRG-INC-ION=2+; POL-PRJ=0%; ION-SOURCE=/ Electron cyclotron resonance ion source /; DET-PARTCL=3HE; COINC=NO; ANT-COINC=NO; DET-SYS=(MAG'8',MWDC'9',SCT'10',MWPC'11',TOF'12'); /* '8' To analyze momentum of 3He (Grand Raiden spectrometer) */ /* '9' To measure position s and angles of particles */ /* '10' Delta-E plastic scintillator */ /* '11' To measure particles scattered from analyzer */ /* '12' To identify 3He by the time of flight between trigger signals and rf pickup of AVF cyclotron */ ERS-DET=190KEV'13'; /* '13' FWHM, due to the energy spread of cyclotron beam */ ANL=OPT-MODEL'14'; /* '14' using ECIS88/95 (J. Raynal, computer code ECIS-88 NEA-0850/08; computer code ECIS-88 NEA-0850/14) with the phenomenological Woods-Saxon type potential and the Single-Folding Model potential */ /* Experimental Method: - Time-of-flight (To identify 3He by the time of flight between trigger signals and rf pickup of AVF cyclotron) - Double scattering (Focal plane polarimeter) RCT=12C(3HE,3HE)12C; PHQ=OPT-POTL-PARA; ENR=X%'32'; /* '32' Enriched targets and natural targets are used. */ THK-TGT=(30MG/CM**2,87[342MG/CM**2)'33'; /* '33' 30 mg/cm2 for enriched target and 87 to 342 mg/cm2 for natural target */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,7; INC-ENGY-LAB=443MEV; RSD=12C; POTL-FORM=/ Uc(X) -V*F(X,Rr,Ar) -i*W*F(X,Riv,Aiv) +(hbar/(mpi*c))**2*1/X*Vso*dif(1/X)f(X,Rrso,Arso)*L*sigma +i*(hbar/(mpi*c))**2*1/X*Wso*dif(1/X)f(X,Riso,Aiso)*L*sigma : Uniform charge of radius Rc*A**(1/3) : f(X,R,A)=1/(1+exp((X-R*A**(1/3))/A) /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; RC V RR AR WV RIV AIV VSO RRSO ARSO WSO RISO AISO DATA1'34' DATA2'35' DATA3'36' (FM) (MEV) (FM) (FM) (MEV) (FM) (FM) (MEV) (FM) (FM) (MEV) (FM) (FM) (MEV) (NODIM) (NODIM) 1.3 19.73 1.592 0.705 37.76 0.989 0.868 X X X X X X X X 0.35 1.3 19.14 1.600 0.702 38.06 0.999 0.869 1.10 0.945 0.790 -0.32 0.907 0.598 0.42 1.28 1.70 \END; /*===================================================================*/ |