/*===================================================================*/ /* NRDF D1773 Data No.16 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,16; 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,16; /* 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'54'; /* '54' TOTAL FULL WIDTH AT HALF MAXIMUM ENERGY RESOLUTION. */ BEAM-INTNSTY=10NA'55'; /* '55' TYPICAL VALUE */ DET-PARTCL=N; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,16; INC-ENGY-LAB=345MEV; TOT-ERR=[10%; SYS-ERR=[8%; STATIST-ERR=[2%; EMT=N; THTL=55DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; TRNSF-ENGY'56' ANALPW DELTA-ANALPW (MEV) (NODIM) (NODIM) 27.50 0.046 +-0.079 32.50 0.072 +-0.077 37.50 0.189 +-0.063 42.50 0.111 +-0.062 47.50 0.151 +-0.056 52.50 0.302 +-0.049 57.50 0.213 +-0.046 62.50 0.242 +-0.041 67.50 0.220 +-0.037 72.50 0.232 +-0.033 77.50 0.216 +-0.030 82.50 0.241 +-0.028 87.50 0.263 +-0.026 92.50 0.228 +-0.023 97.50 0.247 +-0.022 102.50 0.258 +-0.020 107.50 0.190 +-0.019 112.50 0.239 +-0.018 117.50 0.232 +-0.017 122.50 0.228 +-0.015 127.50 0.233 +-0.015 132.50 0.190 +-0.014 137.50 0.218 +-0.014 142.50 0.211 +-0.013 147.50 0.199 +-0.012 152.50 0.190 +-0.012 157.50 0.181 +-0.011 162.50 0.179 +-0.011 167.50 0.162 +-0.011 172.50 0.172 +-0.011 177.50 0.147 +-0.010 182.50 0.138 +-0.010 187.50 0.140 +-0.010 192.50 0.139 +-0.010 197.50 0.116 +-0.010 \END; /*===================================================================*/ |