/*===================================================================*/ /* NRDF D1773 Data No.19 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,19; D#=D1773; TITLE=/CROSS SECTIONS AND POLARIZATION OBSERVABLES FOR THE 40CA(P,N) REACTION AT 345 MEV AND MULTISTEP CONTRIBUTIONS IN THE CONTINUUM/; ATH=(T.WAKASA'1', K.HATANAKA'1', H.SAKAI'2,3', M.B.GREENFIELD'4', J.KAMIYA'1', K.OGATA'1', H.OKAMURA'5', K.SEKIGUCHI'2', K.SUDA'5', A.TAMII'2', K.YAKO'2'); INST-ATH=(2JPNRCN'1', 2JPNTOK'2', 2JPNIPC'3', 2JPNJPN'4', 2JPNJPN'5'); /* '2'DEPARTMENT OF PHYSICS */ /* '4'DIVISION OF NATURAL SCIENCES, INTERNATIONAL CHRISTIAN UNIVERSITY, MITAKA, TOKYO */ /* '5'DEPARTMENT OF PHYSICS, SAITAMA UNIVERSITY, SAITAMA */ REF=PR/C; VLP=65(2002)034615; RCTS=40CA(P,N)X; PHQS=(ENGY-SPEC, ANALPW, POL, POL-TRNSF); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,19; /* 2003-03-12 : COMPILED */ RTY=RRG-RCT; ENR=NAT; CHM=ELM; PHYS-FORM=SLD; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=CYC'6'; /* '6' AVF AND RING CYCLOTRONS */ INST-ACC=2JPNRCN; INC-ENGY-LAB=345MEV; DELTA-INC-ENGY-LAB=1MEV; POL-PRJ=70%'7'; /* '7' THE AVERAGE VALUE OF NORMAL COMPONENT OF THE BEAM POLARIZATION WAS MEASURED AT THE BEAM LINE POLARIMETER 1(BLP1) LOCATED AFTER THE RING CYCLOTRON. THE BLP1 CONSISTS OF FOUR PAIRS OF CONJUGATE-ANGLE PLASTIC SCINTILLATORS. P(POLARIZED)+P ELASTIC SCATTERING WAS USED AS THE ANALYZING REACTION, AND A SELF-SUPPORTING CH2 TARGET WITH A THICKNESS OF 1.1MG/CM2 WAS USED AS THE HYDROGEN TARGET. THE ELASTICALLY SCATTERED AND RECOIL PROTONS WERE DETECTED IN KINEMATICAL COINCIDENCE WITH A PAIR OF SCINTILLATORS. */ ION-SOURCE=/ POLARIZED ION SOURCE(HIGH INTENSITY POLARIZED ION SOURCE (HIPIS [H.OKAMURA, NUCL. INSTRUM. METHODS PHYS. RES. A443(2000)194].) /; DET-PARTCL=N; COINC=NO; ANT-COINC=NO; DET-SYS=(LIQUID-SCT,PLST-SCT,TOF); EFCN-DET=/ THE NEUTRON DETECTION EFFICIENCY HAS BEEN DETERMINED BY USING NEUTRONS FROM THE ZERO-DEGREE 7LI(P,N)7BE(G.S.+0.43MEV) REACTION AT THE SAME INCIDENT ENERGY OF TP=345MEV. TOTAL DETECTION EFFECIENCY FOR ALL SIX NEUTRON DETECTORS, TAKEN TOGETHER, BECOMES 0.14+-0.01, WHERE THE UNCERTAINTY MAINLY COMES FROM THE UNCERTAINTIES BOTH IN THE 7LI CROSS SECTION (3%) AND THE THICKNESS OF THE 7LI TARGET(3%). /; ANL=DWBA'8'; /* '8' SEMICLASSICAL DISTORTED WAVE MODEL (SCDW) */ RCT=40CA(P,N)X; PHQ=ANALPW; THK-TGT=359MG/CM**2; ERS-PRJ=2MEV'63'; /* '63' TOTAL FULL WIDTH AT HALF MAXIMUM ENERGY RESOLUTION. */ BEAM-INTNSTY=10NA'64'; /* '64' TYPICAL VALUE */ DET-PARTCL=N; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,19; INC-ENGY-LAB=345MEV; TOT-ERR=[10%; SYS-ERR=[8%; STATIST-ERR=[2%; EMT=N; THTL=70DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; TRNSF-ENGY'65' ANALPW DELTA-ANALPW (MEV) (NODIM) (NODIM) 32.50 -0.105 +-0.092 37.50 -0.066 +-0.089 42.50 0.060 +-0.084 47.50 -0.039 +-0.083 52.50 0.122 +-0.079 57.50 0.168 +-0.081 62.50 0.020 +-0.076 67.50 0.102 +-0.075 72.50 0.209 +-0.069 77.50 0.186 +-0.066 82.50 0.249 +-0.059 87.50 0.112 +-0.059 92.50 0.097 +-0.053 97.50 0.190 +-0.048 102.50 0.208 +-0.044 107.50 0.157 +-0.043 112.50 0.214 +-0.037 117.50 0.121 +-0.035 122.50 0.199 +-0.032 127.50 0.211 +-0.030 132.50 0.166 +-0.028 137.50 0.163 +-0.026 142.50 0.173 +-0.024 147.50 0.162 +-0.023 152.50 0.134 +-0.021 157.50 0.134 +-0.020 162.50 0.116 +-0.019 167.50 0.173 +-0.018 172.50 0.104 +-0.017 177.50 0.126 +-0.016 182.50 0.145 +-0.015 187.50 0.098 +-0.014 192.50 0.092 +-0.014 197.50 0.098 +-0.013 \END; /*===================================================================*/ |