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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 : | 1.8 GeV2 | |
---|---|---|
W : | 1.615 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 | 15 | 1.3231 | 0.2047 | 0.0602 |
-0.9 | 45 | 0.9232 | 0.151 | 0.0683 |
-0.9 | 75 | 1.0562 | 0.1804 | 0.1431 |
-0.9 | 105 | 0.8657 | 0.1241 | 0.0939 |
-0.9 | 135 | 0.8296 | 0.1302 | 0.112 |
-0.9 | 165 | 0.646 | 0.1195 | 0.0886 |
-0.9 | 195 | 0.836 | 0.37 | 0.3028 |
-0.9 | 225 | 0.7872 | 0.1082 | 0.0882 |
-0.9 | 255 | 0.7639 | 0.131 | 0.0895 |
-0.9 | 285 | 0.7806 | 0.1272 | 0.0683 |
-0.9 | 315 | 1.0921 | 0.1612 | 0.0658 |
-0.9 | 345 | 1.3743 | 0.1914 | 0.0458 |
-0.7 | 15 | 0.6744 | 0.1207 | 0.0396 |
-0.7 | 45 | 1.0916 | 0.128 | 0.0197 |
-0.7 | 75 | 1.0685 | 0.1349 | 0.0443 |
-0.7 | 105 | 0.8252 | 0.0834 | 0.0292 |
-0.7 | 135 | 0.786 | 0.09 | 0.0688 |
-0.7 | 165 | 0.7467 | 0.1597 | 0.104 |
-0.7 | 195 | 0.72 | 0.0937 | 0.076 |
-0.7 | 225 | 0.9933 | 0.1142 | 0.0599 |
-0.7 | 255 | 1.2785 | 0.1282 | 0.0481 |
-0.7 | 285 | 1.1302 | 0.1384 | 0.0394 |
-0.7 | 315 | 0.998 | 0.13 | 0.0224 |
-0.7 | 345 | 0.7751 | 0.1301 | 0.0303 |
-0.5 | 15 | 0.601 | 0.1202 | 0.0318 |
-0.5 | 45 | 1.2708 | 0.1783 | 0.0624 |
-0.5 | 75 | 1.7538 | 0.1788 | 0.081 |
-0.5 | 105 | 1.9767 | 0.1667 | 0.0985 |
-0.5 | 135 | 1.3202 | 0.1287 | 0.0927 |
-0.5 | 165 | 0.8366 | 0.0887 | 0.0726 |
-0.5 | 195 | 0.9824 | 0.1052 | 0.0857 |
-0.5 | 225 | 1.2181 | 0.1208 | 0.0863 |
-0.5 | 255 | 1.4977 | 0.137 | 0.0841 |
-0.5 | 285 | 1.5921 | 0.1635 | 0.0684 |
-0.5 | 315 | 1.3515 | 0.1708 | 0.0807 |
-0.5 | 345 | 0.7462 | 0.1416 | 0.0436 |
-0.3 | 15 | 0.7798 | 0.1354 | 0.0724 |
-0.3 | 45 | 1.2138 | 0.2022 | 0.0977 |
-0.3 | 75 | 1.3841 | 0.1465 | 0.1181 |
-0.3 | 105 | 1.475 | 0.1333 | 0.1415 |
-0.3 | 135 | 1.3739 | 0.1195 | 0.2026 |
-0.3 | 165 | 0.9628 | 0.089 | 0.2039 |
-0.3 | 195 | 1.1024 | 0.0981 | 0.2334 |
-0.3 | 225 | 1.0549 | 0.1044 | 0.156 |
-0.3 | 255 | 1.3367 | 0.1176 | 0.1279 |
-0.3 | 285 | 1.3715 | 0.1486 | 0.1031 |
-0.3 | 315 | 1.1841 | 0.2165 | 0.0958 |
-0.3 | 345 | 0.4472 | 0.1034 | 0.0447 |
-0.1 | 15 | 0.6382 | 0.0977 | 0.0415 |
-0.1 | 45 | 1.2797 | 0.1984 | 0.0582 |
-0.1 | 75 | 1.3609 | 0.135 | 0.0542 |
-0.1 | 105 | 1.4313 | 0.1299 | 0.0958 |
-0.1 | 135 | 1.233 | 0.1174 | 0.1738 |
-0.1 | 165 | 1.2171 | 0.0984 | 0.3142 |
-0.1 | 195 | 1.2026 | 0.101 | 0.3096 |
-0.1 | 225 | 1.2459 | 0.1232 | 0.1769 |
-0.1 | 255 | 1.1939 | 0.1133 | 0.081 |
-0.1 | 285 | 1.1969 | 0.1296 | 0.0491 |
-0.1 | 345 | 0.6416 | 0.1326 | 0.0424 |
0.1 | 15 | 0.6593 | 0.1378 | 0.0156 |
0.1 | 45 | 1.0603 | 0.1259 | 0.0301 |
0.1 | 75 | 1.4308 | 0.1367 | 0.0353 |
0.1 | 105 | 1.5192 | 0.1407 | 0.0185 |
0.1 | 165 | 0.9828 | 0.0801 | 0.2152 |
0.1 | 195 | 1.0767 | 0.0833 | 0.2343 |
0.1 | 225 | 0.9125 | 0.1038 | 0.0663 |
0.1 | 255 | 1.134 | 0.1084 | 0.0177 |
0.1 | 285 | 1.3614 | 0.139 | 0.0354 |
0.1 | 315 | 1.36 | 0.2015 | 0.0433 |
0.1 | 345 | 0.7027 | 0.2039 | 0.0154 |
0.3 | 15 | 0.531 | 0.0724 | 0.0157 |
0.3 | 45 | 1.0132 | 0.0781 | 0.0323 |
0.3 | 75 | 1.621 | 0.123 | 0.0557 |
0.3 | 105 | 1.4063 | 0.1126 | 0.0378 |
0.3 | 135 | 1.3618 | 0.1226 | 0.039 |
0.3 | 165 | 1.0178 | 0.0789 | 0.144 |
0.3 | 195 | 1.1998 | 0.0886 | 0.1683 |
0.3 | 225 | 1.2776 | 0.109 | 0.0389 |
0.3 | 285 | 1.2518 | 0.1195 | 0.0425 |
0.3 | 315 | 1.0165 | 0.0939 | 0.0338 |
0.3 | 345 | 0.8895 | 0.1269 | 0.054 |
0.5 | 15 | 0.7268 | 0.0953 | 0.0113 |
0.5 | 45 | 1.004 | 0.0823 | 0.0294 |
0.5 | 75 | 2.0902 | 0.1873 | 0.039 |
0.5 | 105 | 2.0325 | 0.1854 | 0.0505 |
0.5 | 165 | 0.998 | 0.0806 | 0.0713 |
0.5 | 195 | 1.2072 | 0.0981 | 0.0849 |
0.5 | 225 | 1.4457 | 0.1332 | 0.0596 |
0.5 | 255 | 2.1166 | 0.2114 | 0.0718 |
0.5 | 285 | 1.9468 | 0.2199 | 0.0734 |
0.5 | 315 | 1.1162 | 0.1088 | 0.0214 |
0.5 | 345 | 0.7776 | 0.1069 | 0.0208 |
0.7 | 15 | 0.7898 | 0.0668 | 0.0178 |
0.7 | 45 | 1.6705 | 0.1334 | 0.0403 |
0.7 | 75 | 2.4594 | 0.203 | 0.101 |
0.7 | 105 | 2.601 | 0.2496 | 0.0737 |
0.7 | 135 | 1.7262 | 0.1509 | 0.0633 |
0.7 | 165 | 1.13 | 0.0912 | 0.0351 |
0.7 | 195 | 1.1922 | 0.0985 | 0.0724 |
0.7 | 225 | 1.7864 | 0.159 | 0.0757 |
0.7 | 255 | 2.295 | 0.2355 | 0.0849 |
0.7 | 285 | 2.4025 | 0.2341 | 0.0697 |
0.7 | 315 | 1.3605 | 0.1249 | 0.0337 |
0.7 | 345 | 0.7573 | 0.0622 | 0.0215 |
0.9 | 15 | 1.4827 | 0.0945 | 0.066 |
0.9 | 45 | 1.4701 | 0.1015 | 0.0546 |
0.9 | 75 | 1.6903 | 0.1324 | 0.0512 |
0.9 | 105 | 1.8598 | 0.1491 | 0.0514 |
0.9 | 135 | 2.0462 | 0.1733 | 0.0725 |
0.9 | 165 | 1.4491 | 0.1311 | 0.0391 |
0.9 | 195 | 1.6107 | 0.1412 | 0.0494 |
0.9 | 225 | 1.8815 | 0.1632 | 0.0426 |
0.9 | 255 | 1.9105 | 0.1491 | 0.0498 |
0.9 | 285 | 1.5833 | 0.1165 | 0.0667 |
0.9 | 315 | 1.6665 | 0.1126 | 0.0503 |
0.9 | 345 | 1.2715 | 0.0836 | 0.0551 |