/*===================================================================*/ /* NRDF D1773 Data No.11 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,11; 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,11; /* 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'39'; /* '39' TOTAL FULL WIDTH AT HALF MAXIMUM ENERGY RESOLUTION. */ BEAM-INTNSTY=10NA'40'; /* '40' TYPICAL VALUE */ DET-PARTCL=N; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,11; INC-ENGY-LAB=345MEV; TOT-ERR=[10%; SYS-ERR=[8%; STATIST-ERR=[2%; EMT=N; THTL=30DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; TRNSF-ENGY'41' ANALPW DELTA-ANALPW (MEV) (NODIM) (NODIM) 22.50 0.231 +-0.028 27.50 0.289 +-0.023 32.50 0.294 +-0.019 37.50 0.259 +-0.017 42.50 0.282 +-0.015 47.50 0.279 +-0.014 52.50 0.240 +-0.013 57.50 0.269 +-0.012 62.50 0.254 +-0.011 67.50 0.236 +-0.011 72.50 0.245 +-0.010 77.50 0.230 +-0.010 82.50 0.230 +-0.009 87.50 0.217 +-0.009 92.50 0.231 +-0.009 97.50 0.225 +-0.008 102.50 0.231 +-0.008 107.50 0.231 +-0.008 112.50 0.200 +-0.008 117.50 0.196 +-0.008 122.50 0.182 +-0.008 127.50 0.188 +-0.008 132.50 0.175 +-0.008 137.50 0.184 +-0.008 142.50 0.175 +-0.008 147.50 0.175 +-0.008 152.50 0.162 +-0.008 157.50 0.143 +-0.008 162.50 0.150 +-0.008 167.50 0.129 +-0.009 172.50 0.131 +-0.009 177.50 0.106 +-0.009 182.50 0.109 +-0.009 187.50 0.102 +-0.009 192.50 0.063 +-0.009 197.50 0.081 +-0.009 \END; /*===================================================================*/ |