/* 2012-10-27 File is generated by HENDEL. */ \\BIB,1[4; D#=D2192; TITLE=/ Photoproduction of positive pions from carbon nuclei /; PURPOSE=/ The photoproduction of positive pions from carbon nuclei have been studied. /; ATH=(S.KABE'1', S.KATO'1', T.KIFUNE'1', Y.KIMURA'1', M.KOBAYASHI'1', K.KONDO'1', Y.NAGASHIMA'1', T.NISHIKAWA'1'); INST-ATH=(2JPNTOK'1'); /* '1' Department of Physics */ REF=JPJ; VLP=19(1964)1800; RCTS=C(GAMMA,PIP)X; PHQS=(DBL-DIFF-XSECTN, ANGL-DSTRN'2', ANGL-DSTRN); /* '2' Differential cross section integrated over pion energy */ \\EXP,1[4; /* 2011-06-01 : Compiled+Checked, Ayano Makinaga */ /* 2012-07-06 : Altered, Updated numerical data. Updated info. for the ANALYSIS. by Ayano Makinaga */ CHM=ELM; PHYS-FORM=SLD; THK-TGT=XMG/CM**2'3'; /* '3' 10 x 10 x 1 cm3 carbon plate was placed at an angle of 45 degrees to the bremsstrahlung beam */ POL-TGT=0%; ALGN-TGT=0%; ACC=SYN'4'; /* '4' 750 MeV electron synchrotron */ INST-ACC=2JPNINS; INC-ENGY-LAB-RANGE=180[550MEV'5'; /* '5' about 40 MeV step */ POL-PRJ=0%; ION-SOURCE=/ Bremsstrahlung /; DET-PARTCL=PIP; COINC=NO; ANT-COINC=NO; DET-SYS=(IC'6',SCT'7',CRNKOV'8',SCT'9'); /* '6' To monitor the intensity of the photon beam */ /* '7' A range-ionization scintillation detector was used to detect the positive pions. */ /* '8' Used as an anticoincidence detector to exclude the electron background */ /* '9' Plastic scintillation detector was used to determine the solid angle acceptance of the telescope. */ SOLID-ANGL=5.0MSR; \\DATA,1[4; INC-ENGY-LAB=180[550MEV'10'; /* '10' about 40 MeV step */ SYS-ERR=5%'11'; /* '11' Total systematic error. error in measuring the intensity */ \\EXP,1; RCT=C(GAMMA,PIP)X; PHQ=DBL-DIFF-XSECTN; \\DATA,1; THTL=90DEG; \DATA; INC-ENGY-LAB-MAX ENGY-EMT-LAB DSIGMA/DOMEGA/DE DELTA-DSIGMA/DOMEGA/DE'12' (MEV) (MEV) (UB/SR/MEV) (UB/SR/MEV) 265 31.69 0.136 +-0.007 265 37.85 0.093 +-0.007 265 46.33 0.064 +-0.006 265 49.98 0.061 +-0.008 265 56.86 0.045 +-0.007 265 63.65 0.031 +-0.008 265 77.75 0.008 +-0.007 305 31.65 0.261 +-0.007 305 37.82 0.236 +-0.007 305 46.40 0.190 +-0.010 305 49.91 0.160 +-0.008 305 56.74 0.123 +-0.009 305 63.79 0.093 +-0.007 305 77.77 0.049 +-0.009 305 84.71 0.035 +-0.006 305 92.41 0.029 +-0.006 305 99.50 0.013 +-0.005 305 110.50 0.004 +-0.004 345 31.62 0.309 +-0.008 345 37.86 0.290 +-0.008 345 46.46 0.264 +-0.008 345 49.94 0.255 +-0.007 345 56.54 0.213 +-0.007 345 63.87 0.160 +-0.008 345 77.82 0.132 +-0.008 345 84.70 0.110 +-0.009 345 92.36 0.086 +-0.008 345 99.39 0.062 +-0.006 345 110.50 0.033 +-0.007 345 132.60 0.001 +-0.005 385 31.51 0.356 +-0.008 385 37.76 0.336 +-0.008 385 46.38 0.330 +-0.008 385 49.92 0.299 +-0.009 385 56.65 0.270 +-0.010 385 63.91 0.214 +-0.009 385 77.77 0.153 +-0.008 385 84.71 0.137 +-0.009 385 92.37 0.117 +-0.009 385 99.34 0.086 +-0.005 385 110.50 0.056 +-0.008 385 133.90 0.004 +-0.007 470 32.12 0.470 +-0.007 470 37.90 0.445 +-0.007 470 46.83 0.419 +-0.007 470 49.98 0.412 +-0.009 470 56.63 0.351 +-0.007 470 63.89 0.296 +-0.009 470 77.77 0.236 +-0.009 470 84.66 0.198 +-0.009 470 92.40 0.174 +-0.010 470 99.24 0.129 +-0.008 470 110.50 0.091 +-0.006 470 133.80 0.023 +-0.005 \END; /* Scanned from Fig.8 of J,JPJ,vol.19,p1800,1964 */ /* '12' Statistical error */ \\EXP,2; RCT=C(GAMMA,PIP)X; PHQ=DBL-DIFF-XSECTN; /* Analysis: - Penfold-Leiss method (Assuming Schiff's bremsstrahlung formula) */ \\DATA,2; THTL=90DEG; \DATA; INC-ENGY-LAB-MAX ENGY-EMT-LAB DSIGMA/DOMEGA/DE DELTA-DSIGMA/DOMEGA/DE'13' (MEV) (MEV) (UB/SR/MEV) (UB/SR/MEV) 305 32.34 0.643 +-0.046 305 39.98 0.896 +-0.051 305 53.53 0.757 +-0.056 305 61.57 0.716 +-0.051 305 69.55 0.476 +-0.056 305 85.63 0.372 +-0.056 305 94.68 0.325 +-0.056 305 110.20 0.191 +-0.051 305 121.80 0.103 +-0.056 305 150.50 0.039 +-0.046 400 31.38 0.499 +-0.056 400 38.69 0.509 +-0.041 400 52.06 0.581 +-0.056 400 60.64 0.581 +-0.061 400 68.71 0.591 +-0.056 400 84.85 0.663 +-0.061 400 93.93 0.535 +-0.056 400 109.80 0.372 +-0.061 400 121.90 0.259 +-0.051 400 150.40 0.101 +-0.051 \END; /* Scanned from Fig.9 of J,JPJ,vol.19,p1800,1964 */ /* '13' Statistical error */ \\EXP,3; RCT=C(GAMMA,PIP)X; PHQ=ANGL-DSTRN'14'; /* '14' Differential cross section integrated over pion energy */ \\DATA,3; ENGY-EMT-LAB=>30MEV; THTL=90DEG; \DATA; INC-ENGY-LAB-MAX DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA'15' (MEV) (UB/SR) (UB/SR) 224 0.011 +-0.006 255 0.029 +-0.006 303 0.098 +-0.006 346 0.168 +-0.007 359 0.185 +-0.007 390 0.227 +-0.006 409 0.251 +-0.006 442 0.282 +-0.007 475 0.305 +-0.006 504 0.322 +-0.006 529 0.343 +-0.007 \END; /* Scanned from Fig.10 of J,JPJ,vol.19,p1800,1964 */ /* '15' Statistical error */ \\EXP,4; RCT=C(GAMMA,PIP)X; PHQ=ANGL-DSTRN; ANL=IMPULSE-APPROX; /* Analysis: - Penfold-Leiss method */ \\DATA,4; ENGY-EMT-LAB=>30MEV; THTL=90DEG; \DATA; INC-ENGY-LAB DELTA-INC-ENGY-LAB DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA'16' (MEV) (MEV) (UB/SR) (UB/SR) 224 +-7 1.997 +-0.719 264 +-6 4.289 +-0.719 306 +-6 8.835 +-0.623 341 +-6 9.978 +-0.671 385 +-7 8.003 +-0.623 430 +-6 5.309 +-0.623 469 +-5 4.821 +-0.527 500 +-7 5.821 +-0.671 \END; /* Scanned from Fig.11 of J,JPJ,vol.19,p1800,1964 */ /* '16' Statistical error */ \\END;