/* 2002-03-18 N.OTUKA 10 POINTS CHECK */ /* 2006-02-26 N.OTUKA BEAM-INTYSTY -> BEAM-INTNSTY in EXP,3[5 */ \\BIB,1[5; D#=D266; TITLE=/MEASUREMENTS OF P-P AND P-4HE ANALYZING POWERS AT MEDIUM ENERGIES/; PURPOSE=/EXPERIMENTS WITH POLARIZED BEAMS AND TARGETS ARE OF FUNDAMENTAL IMPORTANCE IN HELPING TO DEFINE THE NUCLEON-NUCLEON INTERACTION AND IN UNDERSTANDING NUCLEON-NUCLEUS REACTIONS. WITH PRESENT-DAY TECHNOLOGY IT IS NOT DIFFICULT TO PERFORM MEASUREMENTS THAT HAVE GOOD COUNTING STATICS AND DATA HAVE BEEN PUBLISHED THAT HAVE SMALL RELATIVE ERRORS. A DOUBLE SCATTERING TECHNIQUE WHICH MAKES USE OF THE LARGE ANALYZING POWER OF 4HE AND AVOIDS SOME OF THE DIFFICULTIES ASSOCIATED WITH TECHNIQUES USED UP TO NOW HAS BEEN EMPLOYED TO OBTAIN ACCURATE P-P AND P-4HE ANALYZING POWERS AT INTERMEDIATE ENERGIES./; ATH=(L.G.GREENIAUS'1',D.A.HUTCHEON'1',C.A.MILLER'1',G.A.MOSS'1', G.ROY'1',R.DUBOIS'2',C.AMSLER'3',B.K.S.KOENE'4',B.T.MURDOCH'4'); INST-ATH=(1CANALA'1',1CANUBC'2',2UKQML'3',1CANMNA'4'); REF=NP/A; VLP=322(1979)308; RCTS=(1H(P,P)1H,4HE(P,P)4HE); /*@10@*/ \\EXP,1,4,5; RCT=1H(P,P)1H; ENR=NAT; CHM=CH2; THK-TGT=XMG/CM**2'1'; /*@3@*/ BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=(CYC); INST-ACC=1CANCAN'1'; /*@5@*/ INC-ENGY-LAB-RANGE=(225MEV,327MEV,520MEV); DELTA-INC-ENGY=XKEV; ERS-PRJ=2000KEV; BEAM-INTNSTY=3[10NA; POL-PRJ=YES'1'; /*@6@*/ \\EXP,2,4,5; RCT=4HE(P,P)4HE; ENR=NAT; CHM=ELM; THK-TGT=XMG/CM**2'1'; /*@4@*/ BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=(CYC); INST-ACC=1CANCAN'1'; /*@5@*/ INC-ENGY-LAB-RANGE=(222MEV,325MEV,518MEV); DELTA-INC-ENGY=XKEV; ERS-PRJ=2000KEV; BEAM-INTNSTY=3[10NA; POL-PRJ=YES'1'; /*@6@*/ \\EXP,3[5; RCT=1H(P,P)1H; ENR=NAT; CHM=CH2; THK-TGT=XMG/CM**2; BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=(CYC); INST-ACC=1CANCAN'1'; /*@5@*/ /*@7@*/ INC-ENGY-LAB-RANGE=(205MEV,308MEV,499MEV); DELTA-INC-ENGY=XKEV; ERS-PRJ=XKEV; BEAM-INTNSTY=XUA; POL-PRJ=YES; \\EXP,1[5; DET-PARTCL=(P); DET-SYS=(NAI); SOLID-ANGL=XMSR; ERS-DET=10MEV; PHQ=(XSECTN,ANGL-DSTRN,DSIGMA/DOMEGA,POL,ANALPW); \\DATA,1; THTL=17DEG; \DATA; INC-ENGY-LAB BEAM-POL DATA1'1' DELTA-DATA1 DATA2'2' DELTA-DATA2 (MEV) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) 225 DOWN -0.2566 0.0001 -0.2761 0.0006 225 ZERO 0.0044 0.0003 -0.0007 0.0004 225 UP 0.2530 0.0002 0.2618 0.0006 327 DOWN -0.2940 0.0001 -0.3182 0.0006 327 ZERO 0.0032 0.0002 0.0042 0.0003 327 UP 0.2918 0.0001 0.3169 0.0006 520 DOWN -0.3086 0.0001 -0.3783 0.0008 520 ZERO 0.0104 0.0002 0.0003 0.0005 520 UP 0.3445 0.0001 0.3684 0.0008 \END; /*@8@*/ /*@9@*/ \\DATA,2; THTL=15DEG; \DATA; INC-ENGY-LAB'6' BEAM-POL DATA1'1' DELTA-DATA1 DATA2'2' DELTA-DATA2 (MEV) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) 225 DOWN -0.7463 0.0028 -0.7605 0.0036 225 ZERO -0.0110 0.0091 -0.0100 0.0094 225 UP 0.7413 0.0035 0.7566 0.0041 327 DOWN -0.6014 0.0033 -0.5983 0.0039 327 ZERO 0.0040 0.0059 0.0060 0.0062 327 UP 0.5847 0.0047 0.5849 0.0052 520 DOWN -0.3480 0.0041 -0.3494 0.0044 520 ZERO 0.0154 0.0121 0.0170 0.0127 520 1P 0.3555 0.0058 0.3588 0.0062 \END; /*@11@*/ /*@12@*/ /*@23@*/ \\DATA,3; THTL=24DEG; \DATA; INC-ENGY-LAB'6' BEAM-POL DATA'1' DELTA-DATA1 DATA2'2' DELTA-DATA2 (MEV) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) 225 DOWN 0.1124 0.0130 0.1602 0.0187 225 ZERO 0.2135 090161 0.2508 0.0181 225 UP 0.2507 0.0061 0.2510 0.0071 327 DOWN 0.0226 0.0067 0.0056 0.0090 327 ZERO 0.2596 0.0087 0.2653 0.0100 327 UP 0.3241 0.0048 0.3264 0.0061 520 DOWN -0.1844 0.0048 -0.1719 0.0095 520 ZERO 0.1625 0.0118 0.2109 0.0156 520 UP 0.3248 0.0049 0.3587 0.0082 \END; /*@13@*/ /*@14@*/ /*@23@*/ \\DATA,4; \DATA; INC-ENGY-LAB'6' DATA1'1' ANALPW'2' DELTA-ANALPW ANALPW'3' DELTA-ANALPW (MEV) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) 225 1.168 0.964 0.012 0.294 0.003 225 1.159 0.964 0.012 0.297 0.003 327 1.193 0.792 0.012 0.354 0.005 327 1.189 0.795 0.011 0.358 0.005 520 1.224 0.476 0.018 0.412 0.013 520 1.212 0.485 0.017 0.425 0.014 \END; /*@15@*/ /*@16@*/ /*@17@*/ /*@23@*/ \\DATA,5; \DATA; DATA1'1' INC-ENGY-LAB'6' ANALPW'2' DELTA-ANALPW ANALPW'3' DELTA-ANALPW ANALPW'4' DELTA-ANALPW DATA2'5' (NODIM) (MEV) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) 1 225 0.339 0.003 0.273 0.011 0.958 0.007 43.71/51 1 327 0.426 0.004 0.358 0.010 0.791 0.007 25.29/32 1 520 0.523 0.010 0.426 0.013 0.496 0.010 91.90/84 2 225 0.338 0.003 0.287 0.011 0.956 0.007 44.20/51 2 327 0.425 0.003 0.355 0.005 0.791 0.006 25.33/32 2 520 0.518 0.007 0.421 0.007 0.492 0.008 91.94/841 3 225 0.337 0.003 0.290 0.005 0.956 0.007 44.61/51 3 327 0.425 0.003 0.356 0.005 0.791 0.006 25.31/32 3 520 0.519 0.007 0.417 0.007 0.492 0.008 92.18/84 \END; /*@18@*/ /*@19@*/ /*@20@*/ /*@21@*/ /*@22@*/ /*@23@*/ \\END; @@3; '1' 38 MICRO-M @@4; '1' LIQUID 4HE @@5; '1' TRIUMF @@6; '1' POLARIZATION =75[8/% @@7; RESCATTERING FROM SCATTERING 4HE(P,P)4HE @@8; '1' MEASURED ASYMMETRY E1=BEAM-POLARIZATION*ANALYZING-POWER-1H @@9; '2' CORRECTED ASYMMETRY E1 @@10; THIS SCATTERING IS P(1H,1H)P(4HE,4HE)P(1H,1H). IN THE SECOND STEP PROTON UNSCATTERED BY 1H IS SCATTERED BY 4HE. @@11; '1' MEASURED ASYMMETRY E2=BEAM-POLARIZATION*ANALYZING-POWER-4HE @@12; '2' CORRECTED ASYMMETRY E2 @@13; '1' MEASURED ASYMMETRY E3=BEAM-POLARIZATION(SCATTERED FROM 4HE)*ANALYZ ING-POWER-1H @@14; '2' CORRECTED ASYMMETRY E3 @@15; '1' ASSUMED VALUE OF ANALYZING-POWOR(P-1H 17DEGREE)/ANALYZING-POWER( P-1H 24DEGREE) @@16; @@17; '3' P-1H 24DEGREE @@18; '1' CHI-SQUARE MINIMIZATION FITTING CASE @@19; '2' P-1H 17DEGREE @@20; '3' P-1H 24DEGREE @@21; '4' P-4HE 15DEGREE @@22; '5' CHI-SQUARE/DEGREE-OF-FREEDOM @@23; '6' INITIAL INCIDENT ENERGY IN LAB-SYSTEM @@;