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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 : | 1.605 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 | 1.2896 | 0.2057 | 0.0512 |
-0.9 | 45 | 0.8999 | 0.1385 | 0.0698 |
-0.9 | 75 | 1.0294 | 0.1621 | 0.092 |
-0.9 | 105 | 0.8437 | 0.1313 | 0.0815 |
-0.9 | 135 | 0.8086 | 0.1327 | 0.1196 |
-0.9 | 165 | 0.6296 | 0.1198 | 0.132 |
-0.9 | 195 | 0.8334 | 0.2887 | 0.2498 |
-0.9 | 225 | 0.7673 | 0.1195 | 0.0812 |
-0.9 | 255 | 0.7446 | 0.1083 | 0.0722 |
-0.9 | 285 | 0.7608 | 0.12 | 0.0529 |
-0.9 | 315 | 1.0644 | 0.1533 | 0.0572 |
-0.9 | 345 | 1.3395 | 0.2242 | 0.0952 |
-0.7 | 45 | 0.952 | 0.1216 | 0.0306 |
-0.7 | 75 | 1.0415 | 0.1286 | 0.0304 |
-0.7 | 105 | 0.8043 | 0.0786 | 0.0342 |
-0.7 | 135 | 0.7661 | 0.1027 | 0.0474 |
-0.7 | 165 | 0.7278 | 0.0907 | 0.0609 |
-0.7 | 195 | 0.7017 | 0.0885 | 0.0531 |
-0.7 | 225 | 0.9681 | 0.1042 | 0.0299 |
-0.7 | 255 | 1.2461 | 0.1184 | 0.0216 |
-0.7 | 285 | 1.1016 | 0.1416 | 0.0414 |
-0.7 | 315 | 0.9727 | 0.1298 | 0.0385 |
-0.5 | 15 | 0.5857 | 0.114 | 0.0338 |
-0.5 | 45 | 1.2386 | 0.1616 | 0.0625 |
-0.5 | 75 | 1.7094 | 0.176 | 0.1001 |
-0.5 | 105 | 1.9266 | 0.155 | 0.1034 |
-0.5 | 135 | 1.2868 | 0.1278 | 0.0954 |
-0.5 | 165 | 0.8154 | 0.0938 | 0.0814 |
-0.5 | 195 | 0.9576 | 0.0991 | 0.0927 |
-0.5 | 225 | 1.1873 | 0.1154 | 0.0882 |
-0.5 | 255 | 1.4598 | 0.1143 | 0.0763 |
-0.5 | 285 | 1.5518 | 0.1613 | 0.0682 |
-0.5 | 315 | 1.3173 | 0.1736 | 0.0636 |
-0.5 | 345 | 0.7273 | 0.138 | 0.0413 |
-0.3 | 15 | 0.76 | 0.1271 | 0.0816 |
-0.3 | 45 | 1.1831 | 0.1743 | 0.1039 |
-0.3 | 75 | 1.349 | 0.1402 | 0.1092 |
-0.3 | 105 | 1.4377 | 0.1223 | 0.1435 |
-0.3 | 135 | 1.3391 | 0.1235 | 0.1936 |
-0.3 | 165 | 0.9385 | 0.0833 | 0.1847 |
-0.3 | 195 | 1.0745 | 0.0936 | 0.2109 |
-0.3 | 225 | 1.0282 | 0.1016 | 0.1488 |
-0.3 | 255 | 1.3028 | 0.1117 | 0.1281 |
-0.3 | 285 | 1.3367 | 0.1278 | 0.1118 |
-0.3 | 315 | 1.1541 | 0.1996 | 0.108 |
-0.3 | 345 | 0.4358 | 0.0856 | 0.0431 |
-0.1 | 15 | 0.622 | 0.097 | 0.0578 |
-0.1 | 45 | 1.2473 | 0.1765 | 0.0869 |
-0.1 | 75 | 1.3264 | 0.1237 | 0.0854 |
-0.1 | 105 | 1.395 | 0.1347 | 0.1331 |
-0.1 | 135 | 1.2018 | 0.1105 | 0.193 |
-0.1 | 165 | 1.1863 | 0.093 | 0.3112 |
-0.1 | 195 | 1.1722 | 0.0943 | 0.307 |
-0.1 | 225 | 1.2144 | 0.111 | 0.1963 |
-0.1 | 255 | 1.1637 | 0.1139 | 0.1237 |
-0.1 | 285 | 1.1666 | 0.1229 | 0.0734 |
-0.1 | 345 | 0.6254 | 0.1363 | 0.0588 |
0.1 | 15 | 0.6426 | 0.1793 | 0.0397 |
0.1 | 45 | 1.0334 | 0.1242 | 0.0126 |
0.1 | 75 | 1.3946 | 0.1284 | 0.0396 |
0.1 | 105 | 1.4808 | 0.1407 | 0.0584 |
0.1 | 165 | 0.958 | 0.0748 | 0.2528 |
0.1 | 195 | 1.0494 | 0.0843 | 0.2774 |
0.1 | 225 | 0.8894 | 0.0954 | 0.0952 |
0.1 | 255 | 1.1053 | 0.1051 | 0.0476 |
0.1 | 285 | 1.3269 | 0.1405 | 0.0294 |
0.1 | 315 | 1.3255 | 0.208 | 0.0266 |
0.1 | 345 | 0.6849 | 0.203 | 0.0682 |
0.3 | 15 | 0.5175 | 0.0729 | 0.015 |
0.3 | 45 | 0.9875 | 0.0737 | 0.0317 |
0.3 | 75 | 1.58 | 0.1291 | 0.0412 |
0.3 | 105 | 1.3707 | 0.1093 | 0.0352 |
0.3 | 135 | 1.3273 | 0.1197 | 0.0621 |
0.3 | 165 | 0.992 | 0.0769 | 0.1959 |
0.3 | 195 | 1.1694 | 0.0903 | 0.2316 |
0.3 | 225 | 1.2452 | 0.1075 | 0.0558 |
0.3 | 285 | 1.2201 | 0.1147 | 0.0328 |
0.3 | 315 | 0.9908 | 0.0901 | 0.0222 |
0.3 | 345 | 0.867 | 0.1257 | 0.0216 |
0.5 | 15 | 0.7084 | 0.0974 | 0.0201 |
0.5 | 45 | 0.9786 | 0.0814 | 0.0139 |
0.5 | 75 | 2.0373 | 0.1751 | 0.088 |
0.5 | 105 | 1.981 | 0.182 | 0.0692 |
0.5 | 165 | 0.9728 | 0.079 | 0.1047 |
0.5 | 195 | 1.1766 | 0.0948 | 0.1265 |
0.5 | 225 | 1.4091 | 0.1333 | 0.047 |
0.5 | 255 | 2.063 | 0.2017 | 0.1284 |
0.5 | 285 | 1.8975 | 0.218 | 0.0686 |
0.5 | 315 | 1.088 | 0.1073 | 0.0264 |
0.5 | 345 | 0.7579 | 0.0999 | 0.0126 |
0.7 | 15 | 0.7698 | 0.0646 | 0.0246 |
0.7 | 45 | 1.6283 | 0.134 | 0.0253 |
0.7 | 75 | 2.3971 | 0.2003 | 0.0571 |
0.7 | 105 | 2.5352 | 0.2482 | 0.0921 |
0.7 | 135 | 1.6825 | 0.14 | 0.0481 |
0.7 | 165 | 1.1013 | 0.0894 | 0.0466 |
0.7 | 195 | 1.162 | 0.0937 | 0.0502 |
0.7 | 225 | 1.7412 | 0.1461 | 0.0557 |
0.7 | 255 | 2.2369 | 0.2397 | 0.0736 |
0.7 | 285 | 2.3417 | 0.2173 | 0.0668 |
0.7 | 315 | 1.326 | 0.1295 | 0.0364 |
0.7 | 345 | 0.7382 | 0.0595 | 0.0208 |
0.9 | 15 | 1.4452 | 0.0943 | 0.0571 |
0.9 | 45 | 1.4329 | 0.0977 | 0.0485 |
0.9 | 75 | 1.6475 | 0.1253 | 0.0506 |
0.9 | 105 | 1.8127 | 0.1496 | 0.0429 |
0.9 | 135 | 1.9944 | 0.1662 | 0.1138 |
0.9 | 165 | 1.4125 | 0.1224 | 0.0553 |
0.9 | 195 | 1.5699 | 0.1333 | 0.0333 |
0.9 | 225 | 1.8339 | 0.1543 | 0.081 |
0.9 | 255 | 1.8621 | 0.1529 | 0.0597 |
0.9 | 285 | 1.5432 | 0.1126 | 0.0571 |
0.9 | 315 | 1.6243 | 0.1122 | 0.047 |
0.9 | 345 | 1.2393 | 0.0821 | 0.0504 |