/*===================================================================*/ /* NRDF D1773 Data No.15 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,15; 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,15; /* 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'51'; /* '51' TOTAL FULL WIDTH AT HALF MAXIMUM ENERGY RESOLUTION. */ BEAM-INTNSTY=10NA'52'; /* '52' TYPICAL VALUE */ DET-PARTCL=N; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,15; INC-ENGY-LAB=345MEV; TOT-ERR=[10%; SYS-ERR=[8%; STATIST-ERR=[2%; EMT=N; THTL=50DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; TRNSF-ENGY'53' ANALPW DELTA-ANALPW (MEV) (NODIM) (NODIM) 27.50 0.006 +-0.077 32.50 -0.043 +-0.074 37.50 0.138 +-0.067 42.50 0.280 +-0.058 47.50 0.154 +-0.053 52.50 0.283 +-0.045 57.50 0.349 +-0.039 62.50 0.288 +-0.035 67.50 0.263 +-0.034 72.50 0.279 +-0.030 77.50 0.250 +-0.027 82.50 0.224 +-0.025 87.50 0.197 +-0.023 92.50 0.250 +-0.022 97.50 0.197 +-0.020 102.50 0.247 +-0.018 107.50 0.230 +-0.017 112.50 0.240 +-0.016 117.50 0.233 +-0.015 122.50 0.223 +-0.015 127.50 0.221 +-0.014 132.50 0.221 +-0.013 137.50 0.197 +-0.013 142.50 0.224 +-0.012 147.50 0.169 +-0.012 152.50 0.194 +-0.011 157.50 0.183 +-0.011 162.50 0.187 +-0.011 167.50 0.164 +-0.010 172.50 0.156 +-0.010 177.50 0.151 +-0.010 182.50 0.136 +-0.010 187.50 0.136 +-0.010 192.50 0.127 +-0.010 197.50 0.113 +-0.010 \END; /*===================================================================*/ |