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Experiment: Measurement of ep→e′nπ+ at 1.6<W<2.0 GeV and extraction of nucleon resonance electrocoupling at CLAS, 2014
Spokespersons: K. Park, V.D. Burkert, I.G. Aznauryan
Experiment comment: polarization of electron beam : ~80%
Publication:
Quantity measured: dσ/dΩ, mcbn/rad
Differential cross section.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none
Q2 : | 2.2 GeV2 | |
---|---|---|
W : | 1.78 GeV | |
Ebeam : | 5.499 GeV |
Select data slice:
cos(θ) = |
Observable quantity measured (Y axis): dσ/dΩ, mcbn/rad
Parameter (X axis): φ, degree |
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to view sliced data.
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to view 3D plot of the data.
Click here to get data in text file, delimited with tabs.
Measured data:
cos(θ) |
φ,
degree |
dσ/dΩ,
mcbn/rad |
Data errors,
mcbn/rad |
Systematic errors,
mcbn/rad |
---|---|---|---|---|
-0.9 | 7.5 | 0.1128 | 0.0292 | 0.0189 |
-0.9 | 22.5 | 0.1211 | 0.03 | 0.0312 |
-0.9 | 37.5 | 0.0667 | 0.0208 | 0.0173 |
-0.9 | 52.5 | 0.1687 | 0.0426 | 0.0232 |
-0.9 | 67.5 | 0.0623 | 0.0196 | 0.0175 |
-0.9 | 82.5 | 0.1706 | 0.0453 | 0.03 |
-0.9 | 97.5 | 0.1223 | 0.0365 | 0.0272 |
-0.9 | 112.5 | 0.1343 | 0.034 | 0.0396 |
-0.9 | 127.5 | 0.2373 | 0.0632 | 0.0457 |
-0.9 | 142.5 | 0.1278 | 0.0441 | 0.0499 |
-0.9 | 172.5 | 0.15 | 0.0437 | 0.0274 |
-0.9 | 187.5 | 0.0881 | 0.0288 | 0.0195 |
-0.9 | 202.5 | 0.1381 | 0.0483 | 0.0582 |
-0.9 | 217.5 | 0.1039 | 0.0326 | 0.0178 |
-0.9 | 232.5 | 0.2005 | 0.0474 | 0.0247 |
-0.9 | 247.5 | 0.0561 | 0.0247 | 0.0058 |
-0.9 | 262.5 | 0.074 | 0.0245 | 0.0232 |
-0.9 | 277.5 | 0.223 | 0.0514 | 0.0358 |
-0.9 | 292.5 | 0.2095 | 0.0437 | 0.0493 |
-0.9 | 307.5 | 0.1232 | 0.0281 | 0.019 |
-0.9 | 322.5 | 0.1335 | 0.035 | 0.0384 |
-0.9 | 337.5 | 0.0877 | 0.0275 | 0.0229 |
-0.9 | 352.5 | 0.065 | 0.0198 | 0.0171 |
-0.7 | 7.5 | 0.0664 | 0.0141 | 0.0152 |
-0.7 | 22.5 | 0.0657 | 0.016 | 0.0181 |
-0.7 | 37.5 | 0.086 | 0.0178 | 0.0129 |
-0.7 | 52.5 | 0.0814 | 0.016 | 0.018 |
-0.7 | 67.5 | 0.0474 | 0.0125 | 0.0094 |
-0.7 | 82.5 | 0.0838 | 0.0176 | 0.0123 |
-0.7 | 97.5 | 0.098 | 0.0283 | 0.0176 |
-0.7 | 112.5 | 0.085 | 0.0201 | 0.0212 |
-0.7 | 127.5 | 0.0778 | 0.0157 | 0.014 |
-0.7 | 142.5 | 0.0951 | 0.0217 | 0.0145 |
-0.7 | 157.5 | 0.0714 | 0.0168 | 0.0094 |
-0.7 | 172.5 | 0.0475 | 0.0118 | 0.0083 |
-0.7 | 187.5 | 0.0838 | 0.0168 | 0.0233 |
-0.7 | 202.5 | 0.0504 | 0.0129 | 0.0116 |
-0.7 | 217.5 | 0.0568 | 0.0159 | 0.0129 |
-0.7 | 232.5 | 0.0999 | 0.0194 | 0.0144 |
-0.7 | 247.5 | 0.0974 | 0.0267 | 0.0136 |
-0.7 | 262.5 | 0.1211 | 0.0266 | 0.0123 |
-0.7 | 277.5 | 0.0795 | 0.0193 | 0.0132 |
-0.7 | 292.5 | 0.0844 | 0.0152 | 0.014 |
-0.7 | 307.5 | 0.072 | 0.0138 | 0.0093 |
-0.7 | 322.5 | 0.064 | 0.0144 | 0.012 |
-0.7 | 337.5 | 0.0964 | 0.0308 | 0.0183 |
-0.7 | 352.5 | 0.0937 | 0.0235 | 0.0087 |
-0.5 | 7.5 | 0.0889 | 0.0227 | 0.0176 |
-0.5 | 22.5 | 0.1311 | 0.036 | 0.0315 |
-0.5 | 37.5 | 0.0652 | 0.0175 | 0.0273 |
-0.5 | 52.5 | 0.1369 | 0.0199 | 0.0221 |
-0.5 | 67.5 | 0.132 | 0.0289 | 0.0393 |
-0.5 | 82.5 | 0.1059 | 0.0193 | 0.0144 |
-0.5 | 97.5 | 0.129 | 0.0216 | 0.0145 |
-0.5 | 112.5 | 0.0976 | 0.0151 | 0.0091 |
-0.5 | 127.5 | 0.1068 | 0.0174 | 0.0105 |
-0.5 | 142.5 | 0.1272 | 0.0206 | 0.028 |
-0.5 | 157.5 | 0.0731 | 0.0141 | 0.0132 |
-0.5 | 172.5 | 0.0633 | 0.012 | 0.0092 |
-0.5 | 187.5 | 0.0975 | 0.0156 | 0.018 |
-0.5 | 202.5 | 0.0516 | 0.0107 | 0.0112 |
-0.5 | 217.5 | 0.0478 | 0.0108 | 0.0165 |
-0.5 | 232.5 | 0.074 | 0.0134 | 0.0191 |
-0.5 | 247.5 | 0.11 | 0.0163 | 0.009 |
-0.5 | 262.5 | 0.1131 | 0.0181 | 0.0146 |
-0.5 | 277.5 | 0.1373 | 0.0227 | 0.0205 |
-0.5 | 292.5 | 0.0924 | 0.0166 | 0.0275 |
-0.5 | 307.5 | 0.1082 | 0.0182 | 0.0165 |
-0.5 | 322.5 | 0.0787 | 0.0199 | 0.0211 |
-0.5 | 337.5 | 0.1394 | 0.0518 | 0.045 |
-0.5 | 352.5 | 0.1001 | 0.0271 | 0.0218 |
-0.3 | 7.5 | 0.0616 | 0.0262 | 0.0026 |
-0.3 | 22.5 | 0.1281 | 0.0467 | 0.0658 |
-0.3 | 37.5 | 0.1514 | 0.0359 | 0.0168 |
-0.3 | 52.5 | 0.176 | 0.0422 | 0.0393 |
-0.3 | 67.5 | 0.2672 | 0.0529 | 0.0438 |
-0.3 | 82.5 | 0.2127 | 0.0284 | 0.0419 |
-0.3 | 97.5 | 0.2205 | 0.0301 | 0.047 |
-0.3 | 112.5 | 0.2259 | 0.0271 | 0.0378 |
-0.3 | 127.5 | 0.1371 | 0.0184 | 0.0192 |
-0.3 | 142.5 | 0.1159 | 0.0207 | 0.0297 |
-0.3 | 157.5 | 0.133 | 0.0181 | 0.019 |
-0.3 | 172.5 | 0.1004 | 0.0136 | 0.0146 |
-0.3 | 187.5 | 0.1212 | 0.0151 | 0.0185 |
-0.3 | 202.5 | 0.113 | 0.0163 | 0.0243 |
-0.3 | 217.5 | 0.083 | 0.0146 | 0.0118 |
-0.3 | 232.5 | 0.1178 | 0.017 | 0.0173 |
-0.3 | 247.5 | 0.1779 | 0.0214 | 0.0283 |
-0.3 | 262.5 | 0.177 | 0.0226 | 0.0344 |
-0.3 | 277.5 | 0.1945 | 0.0267 | 0.0278 |
-0.3 | 292.5 | 0.1227 | 0.0311 | 0.0312 |
-0.3 | 307.5 | 0.1841 | 0.0623 | 0.0428 |
-0.1 | 22.5 | 0.0852 | 0.0266 | 0.0102 |
-0.1 | 37.5 | 0.1931 | 0.0403 | 0.0309 |
-0.1 | 52.5 | 0.2188 | 0.054 | 0.0898 |
-0.1 | 67.5 | 0.3415 | 0.0631 | 0.0832 |
-0.1 | 82.5 | 0.3899 | 0.0488 | 0.0556 |
-0.1 | 97.5 | 0.2482 | 0.0273 | 0.0489 |
-0.1 | 112.5 | 0.1875 | 0.027 | 0.0349 |
-0.1 | 127.5 | 0.2968 | 0.0438 | 0.0557 |
-0.1 | 142.5 | 0.1443 | 0.0244 | 0.0455 |
-0.1 | 157.5 | 0.238 | 0.0281 | 0.0415 |
-0.1 | 172.5 | 0.1666 | 0.0178 | 0.0284 |
-0.1 | 187.5 | 0.1526 | 0.0163 | 0.0212 |
-0.1 | 202.5 | 0.2313 | 0.0269 | 0.0327 |
-0.1 | 217.5 | 0.1438 | 0.0217 | 0.0426 |
-0.1 | 232.5 | 0.2589 | 0.0344 | 0.0537 |
-0.1 | 247.5 | 0.1942 | 0.0254 | 0.034 |
-0.1 | 262.5 | 0.2548 | 0.0241 | 0.0497 |
-0.1 | 277.5 | 0.3354 | 0.0451 | 0.066 |
-0.1 | 292.5 | 0.1939 | 0.0494 | 0.0419 |
0.1 | 22.5 | 0.1457 | 0.0504 | 0.0194 |
0.1 | 37.5 | 0.1998 | 0.0695 | 0.0773 |
0.1 | 52.5 | 0.138 | 0.0449 | 0.0219 |
0.1 | 67.5 | 0.4109 | 0.0854 | 0.0796 |
0.1 | 82.5 | 0.4117 | 0.0996 | 0.0664 |
0.1 | 97.5 | 0.2114 | 0.04 | 0.0499 |
0.1 | 112.5 | 0.3303 | 0.0473 | 0.0651 |
0.1 | 127.5 | 0.2242 | 0.0413 | 0.0628 |
0.1 | 142.5 | 0.2744 | 0.0447 | 0.0627 |
0.1 | 157.5 | 0.1517 | 0.0273 | 0.0336 |
0.1 | 172.5 | 0.1016 | 0.0159 | 0.0149 |
0.1 | 187.5 | 0.1414 | 0.0188 | 0.0237 |
0.1 | 202.5 | 0.256 | 0.0358 | 0.0358 |
0.1 | 217.5 | 0.1283 | 0.0294 | 0.0253 |
0.1 | 232.5 | 0.1908 | 0.0379 | 0.0507 |
0.1 | 247.5 | 0.1532 | 0.0304 | 0.0319 |
0.1 | 262.5 | 0.2171 | 0.0442 | 0.0504 |
0.1 | 277.5 | 0.4732 | 0.121 | 0.0886 |
0.1 | 292.5 | 0.4948 | 0.1365 | 0.1483 |
0.1 | 307.5 | 0.3138 | 0.1051 | 0.0352 |
0.3 | 22.5 | 0.0912 | 0.0424 | 0.0091 |
0.3 | 37.5 | 0.1916 | 0.0536 | 0.0318 |
0.3 | 52.5 | 0.2442 | 0.0479 | 0.0351 |
0.3 | 67.5 | 0.1901 | 0.0408 | 0.028 |
0.3 | 82.5 | 0.3834 | 0.0661 | 0.0656 |
0.3 | 97.5 | 0.3772 | 0.0723 | 0.0803 |
0.3 | 112.5 | 0.3151 | 0.0602 | 0.0813 |
0.3 | 127.5 | 0.3082 | 0.0357 | 0.0829 |
0.3 | 142.5 | 0.2334 | 0.0266 | 0.047 |
0.3 | 157.5 | 0.2891 | 0.0354 | 0.0459 |
0.3 | 172.5 | 0.1976 | 0.0232 | 0.0339 |
0.3 | 187.5 | 0.2158 | 0.0236 | 0.0414 |
0.3 | 202.5 | 0.1745 | 0.0279 | 0.0337 |
0.3 | 217.5 | 0.1751 | 0.0304 | 0.0276 |
0.3 | 232.5 | 0.1561 | 0.0369 | 0.0415 |
0.3 | 247.5 | 0.2247 | 0.0557 | 0.0605 |
0.3 | 262.5 | 0.333 | 0.0848 | 0.0848 |
0.3 | 277.5 | 0.4435 | 0.1044 | 0.0701 |
0.3 | 292.5 | 0.2163 | 0.0524 | 0.036 |
0.3 | 307.5 | 0.148 | 0.051 | 0.0336 |
0.3 | 322.5 | 0.261 | 0.0721 | 0.1192 |
0.5 | 22.5 | 0.1007 | 0.0216 | 0.0156 |
0.5 | 37.5 | 0.1816 | 0.0293 | 0.03 |
0.5 | 52.5 | 0.3321 | 0.0515 | 0.0536 |
0.5 | 67.5 | 0.3627 | 0.0548 | 0.0586 |
0.5 | 82.5 | 0.2361 | 0.0503 | 0.0596 |
0.5 | 97.5 | 0.401 | 0.0781 | 0.0725 |
0.5 | 112.5 | 0.5088 | 0.1115 | 0.099 |
0.5 | 127.5 | 0.4636 | 0.0861 | 0.1312 |
0.5 | 142.5 | 0.282 | 0.0479 | 0.0586 |
0.5 | 157.5 | 0.271 | 0.0377 | 0.0449 |
0.5 | 172.5 | 0.2254 | 0.0275 | 0.0337 |
0.5 | 187.5 | 0.2135 | 0.0279 | 0.0306 |
0.5 | 202.5 | 0.3067 | 0.0416 | 0.039 |
0.5 | 217.5 | 0.3186 | 0.0552 | 0.0785 |
0.5 | 232.5 | 0.372 | 0.1037 | 0.0791 |
0.5 | 247.5 | 0.3498 | 0.1036 | 0.1687 |
0.5 | 262.5 | 0.2592 | 0.092 | 0.1026 |
0.5 | 277.5 | 0.3579 | 0.0906 | 0.1052 |
0.5 | 292.5 | 0.2027 | 0.0481 | 0.0423 |
0.5 | 307.5 | 0.3044 | 0.0663 | 0.0489 |
0.5 | 322.5 | 0.2754 | 0.0548 | 0.037 |
0.5 | 337.5 | 0.1257 | 0.038 | 0.0217 |
0.7 | 7.5 | 0.1818 | 0.0341 | 0.0367 |
0.7 | 22.5 | 0.1868 | 0.0419 | 0.0567 |
0.7 | 37.5 | 0.2237 | 0.0448 | 0.0323 |
0.7 | 52.5 | 0.3288 | 0.0768 | 0.0787 |
0.7 | 67.5 | 0.5531 | 0.0847 | 0.1269 |
0.7 | 82.5 | 0.4511 | 0.0714 | 0.0839 |
0.7 | 97.5 | 0.8094 | 0.1444 | 0.1796 |
0.7 | 112.5 | 0.6398 | 0.1185 | 0.1032 |
0.7 | 127.5 | 0.5048 | 0.0961 | 0.0825 |
0.7 | 142.5 | 0.5504 | 0.0989 | 0.0934 |
0.7 | 157.5 | 0.5739 | 0.0924 | 0.0781 |
0.7 | 172.5 | 0.588 | 0.1217 | 0.0654 |
0.7 | 187.5 | 0.4982 | 0.074 | 0.0527 |
0.7 | 202.5 | 0.5876 | 0.0825 | 0.0734 |
0.7 | 217.5 | 0.6583 | 0.1127 | 0.0896 |
0.7 | 232.5 | 0.6874 | 0.1883 | 0.1207 |
0.7 | 247.5 | 0.7051 | 0.1747 | 0.1671 |
0.7 | 262.5 | 0.6173 | 0.1283 | 0.1978 |
0.7 | 277.5 | 0.3756 | 0.0814 | 0.0925 |
0.7 | 292.5 | 0.3352 | 0.0883 | 0.0982 |
0.7 | 307.5 | 0.5182 | 0.118 | 0.0712 |
0.7 | 322.5 | 0.1588 | 0.0415 | 0.039 |
0.7 | 337.5 | 0.1409 | 0.0363 | 0.0182 |
0.7 | 352.5 | 0.1349 | 0.0266 | 0.0242 |
0.9 | 7.5 | 0.2451 | 0.0267 | 0.0302 |
0.9 | 22.5 | 0.2219 | 0.0259 | 0.027 |
0.9 | 37.5 | 0.2942 | 0.034 | 0.0324 |
0.9 | 52.5 | 0.4115 | 0.0497 | 0.0422 |
0.9 | 67.5 | 0.4583 | 0.0525 | 0.0589 |
0.9 | 82.5 | 0.4277 | 0.0458 | 0.0546 |
0.9 | 97.5 | 0.5557 | 0.0619 | 0.0614 |
0.9 | 112.5 | 0.7489 | 0.084 | 0.091 |
0.9 | 127.5 | 0.4962 | 0.0542 | 0.0649 |
0.9 | 142.5 | 0.5419 | 0.0615 | 0.0792 |
0.9 | 157.5 | 0.5853 | 0.0608 | 0.047 |
0.9 | 172.5 | 0.5404 | 0.0604 | 0.0563 |
0.9 | 187.5 | 0.5772 | 0.0627 | 0.0589 |
0.9 | 202.5 | 0.6669 | 0.0705 | 0.0775 |
0.9 | 217.5 | 0.4603 | 0.0553 | 0.0463 |
0.9 | 232.5 | 0.557 | 0.0638 | 0.0565 |
0.9 | 247.5 | 0.6141 | 0.0973 | 0.063 |
0.9 | 262.5 | 0.6862 | 0.0734 | 0.0608 |
0.9 | 277.5 | 0.5287 | 0.0567 | 0.0548 |
0.9 | 292.5 | 0.4627 | 0.0545 | 0.0482 |
0.9 | 307.5 | 0.3774 | 0.0466 | 0.0422 |
0.9 | 322.5 | 0.3177 | 0.0381 | 0.0296 |
0.9 | 337.5 | 0.2516 | 0.0271 | 0.0224 |
0.9 | 352.5 | 0.2697 | 0.0276 | 0.024 |