/*===================================================================*/ /* NRDF D1773 Data No.23 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,23; 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,23; /* 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=POL; THK-TGT=669MG/CM**2; ERS-PRJ=3MEV'75'; /* '75' TOTAL FULL WIDTH AT HALF MAXIMUM ENERGY RESOLUTION. */ BEAM-INTNSTY=50NA'76'; /* '76' TYPICAL VALUE */ DET-PARTCL=N; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,23; INC-ENGY-LAB=345MEV; EMT=N; THTL=40DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; TRNSF-ENGY'77' POL DELTA-POL (MEV) (NODIM) (NODIM) 32.50 0.403 +-0.222 37.50 0.447 +-0.172 42.50 0.277 +-0.142 47.50 0.450 +-0.119 52.50 0.435 +-0.103 57.50 0.319 +-0.088 62.50 0.353 +-0.078 67.50 0.391 +-0.069 72.50 0.298 +-0.061 77.50 0.377 +-0.056 82.50 0.443 +-0.050 87.50 0.338 +-0.046 92.50 0.305 +-0.042 97.50 0.318 +-0.040 102.50 0.308 +-0.037 107.50 0.295 +-0.035 112.50 0.381 +-0.033 117.50 0.335 +-0.032 122.50 0.357 +-0.031 127.50 0.316 +-0.030 132.50 0.314 +-0.029 137.50 0.318 +-0.029 142.50 0.299 +-0.028 147.50 0.221 +-0.028 152.50 0.301 +-0.028 157.50 0.313 +-0.028 162.50 0.265 +-0.028 167.50 0.249 +-0.028 172.50 0.290 +-0.029 177.50 0.267 +-0.030 182.50 0.274 +-0.030 187.50 0.222 +-0.031 192.50 0.260 +-0.033 197.50 0.268 +-0.034 \END; /*===================================================================*/ |