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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 : | 1.625 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 | 1.3361 | 0.1949 | 0.0503 |
-0.9 | 45 | 0.9617 | 0.137 | 0.0583 |
-0.9 | 75 | 1.0973 | 0.1857 | 0.1417 |
-0.9 | 105 | 0.8823 | 0.1285 | 0.1048 |
-0.9 | 135 | 0.8692 | 0.1273 | 0.1186 |
-0.9 | 165 | 0.6435 | 0.2013 | 0.1719 |
-0.9 | 195 | 0.8602 | 0.2689 | 0.259 |
-0.9 | 225 | 0.8353 | 0.1244 | 0.1375 |
-0.9 | 255 | 0.7563 | 0.1184 | 0.0824 |
-0.9 | 285 | 0.8297 | 0.1104 | 0.0572 |
-0.9 | 315 | 1.1176 | 0.1566 | 0.0524 |
-0.9 | 345 | 1.3919 | 0.1886 | 0.0476 |
-0.7 | 15 | 0.9306 | 0.155 | 0.0287 |
-0.7 | 45 | 1.1743 | 0.1495 | 0.033 |
-0.7 | 75 | 1.1042 | 0.1414 | 0.0408 |
-0.7 | 105 | 0.879 | 0.0913 | 0.0542 |
-0.7 | 135 | 0.7978 | 0.0998 | 0.0734 |
-0.7 | 165 | 0.7496 | 0.1046 | 0.0876 |
-0.7 | 195 | 0.7243 | 0.0944 | 0.0609 |
-0.7 | 225 | 0.9756 | 0.1136 | 0.0692 |
-0.7 | 255 | 1.2619 | 0.1278 | 0.0768 |
-0.7 | 285 | 1.1175 | 0.1399 | 0.0512 |
-0.7 | 315 | 1.0208 | 0.1225 | 0.0361 |
-0.7 | 345 | 1.0583 | 0.1496 | 0.039 |
-0.5 | 15 | 0.6258 | 0.1104 | 0.0298 |
-0.5 | 45 | 1.2667 | 0.1723 | 0.0611 |
-0.5 | 75 | 1.7444 | 0.1814 | 0.0719 |
-0.5 | 105 | 1.9307 | 0.1656 | 0.0895 |
-0.5 | 135 | 1.2768 | 0.1281 | 0.0792 |
-0.5 | 165 | 0.8444 | 0.0941 | 0.0623 |
-0.5 | 195 | 0.986 | 0.1033 | 0.07 |
-0.5 | 225 | 1.2029 | 0.1295 | 0.0982 |
-0.5 | 255 | 1.5295 | 0.1302 | 0.0722 |
-0.5 | 285 | 1.5694 | 0.1713 | 0.0605 |
-0.5 | 315 | 1.3193 | 0.1834 | 0.0555 |
-0.5 | 345 | 0.7497 | 0.1321 | 0.032 |
-0.3 | 15 | 0.7524 | 0.1427 | 0.065 |
-0.3 | 45 | 1.1964 | 0.1835 | 0.0888 |
-0.3 | 75 | 1.4024 | 0.1495 | 0.0995 |
-0.3 | 105 | 1.5018 | 0.1385 | 0.1459 |
-0.3 | 135 | 1.3709 | 0.1245 | 0.2053 |
-0.3 | 165 | 0.9862 | 0.0911 | 0.2135 |
-0.3 | 195 | 1.0938 | 0.0985 | 0.2368 |
-0.3 | 225 | 1.0761 | 0.1044 | 0.1626 |
-0.3 | 255 | 1.3485 | 0.1176 | 0.1289 |
-0.3 | 285 | 1.3991 | 0.136 | 0.1052 |
-0.3 | 315 | 1.1933 | 0.2272 | 0.1371 |
-0.3 | 345 | 0.4358 | 0.0883 | 0.0375 |
-0.1 | 15 | 0.6221 | 0.0909 | 0.0273 |
-0.1 | 45 | 1.2576 | 0.2178 | 0.0468 |
-0.1 | 75 | 1.3776 | 0.1449 | 0.0405 |
-0.1 | 105 | 1.4481 | 0.1407 | 0.0771 |
-0.1 | 135 | 1.2147 | 0.1231 | 0.1421 |
-0.1 | 165 | 1.2289 | 0.0992 | 0.284 |
-0.1 | 195 | 1.2328 | 0.0959 | 0.2855 |
-0.1 | 225 | 1.2567 | 0.1278 | 0.1479 |
-0.1 | 255 | 1.2298 | 0.1163 | 0.0596 |
-0.1 | 285 | 1.2141 | 0.1271 | 0.042 |
-0.1 | 345 | 0.6549 | 0.1426 | 0.025 |
0.1 | 15 | 0.6588 | 0.1353 | 0.0449 |
0.1 | 45 | 1.0983 | 0.1259 | 0.0488 |
0.1 | 75 | 1.5036 | 0.1366 | 0.0404 |
0.1 | 105 | 1.579 | 0.1422 | 0.0288 |
0.1 | 165 | 1.0337 | 0.0822 | 0.1621 |
0.1 | 195 | 1.1371 | 0.0878 | 0.1771 |
0.1 | 225 | 0.9851 | 0.1099 | 0.0535 |
0.1 | 255 | 1.1777 | 0.1139 | 0.013 |
0.1 | 285 | 1.419 | 0.1482 | 0.0451 |
0.1 | 315 | 1.3426 | 0.1991 | 0.0489 |
0.1 | 345 | 0.5337 | 0.1717 | 0.0228 |
0.3 | 15 | 0.5621 | 0.076 | 0.0259 |
0.3 | 45 | 1.0865 | 0.0839 | 0.0385 |
0.3 | 75 | 1.7084 | 0.1285 | 0.0552 |
0.3 | 105 | 1.4372 | 0.1253 | 0.0423 |
0.3 | 135 | 1.3944 | 0.1236 | 0.0252 |
0.3 | 165 | 1.0738 | 0.0818 | 0.1005 |
0.3 | 195 | 1.2093 | 0.0898 | 0.1061 |
0.3 | 225 | 1.3433 | 0.1156 | 0.028 |
0.3 | 285 | 1.2988 | 0.1229 | 0.0467 |
0.3 | 315 | 1.0937 | 0.0949 | 0.0382 |
0.3 | 345 | 0.9291 | 0.1424 | 0.0361 |
0.5 | 15 | 0.8121 | 0.1075 | 0.0353 |
0.5 | 45 | 1.0569 | 0.0835 | 0.0214 |
0.5 | 75 | 2.1425 | 0.1807 | 0.0452 |
0.5 | 105 | 2.1166 | 0.1908 | 0.0668 |
0.5 | 165 | 1.0534 | 0.0844 | 0.048 |
0.5 | 195 | 1.2355 | 0.0999 | 0.0554 |
0.5 | 225 | 1.5296 | 0.1448 | 0.0687 |
0.5 | 255 | 2.1684 | 0.2259 | 0.0332 |
0.5 | 285 | 1.9902 | 0.2187 | 0.0595 |
0.5 | 315 | 1.1572 | 0.1076 | 0.0203 |
0.5 | 345 | 0.8074 | 0.1084 | 0.014 |
0.7 | 15 | 0.8248 | 0.0675 | 0.0175 |
0.7 | 45 | 1.6974 | 0.1392 | 0.0396 |
0.7 | 75 | 2.5283 | 0.2038 | 0.138 |
0.7 | 105 | 2.7236 | 0.2597 | 0.0599 |
0.7 | 135 | 1.8208 | 0.154 | 0.066 |
0.7 | 165 | 1.1822 | 0.0943 | 0.0357 |
0.7 | 195 | 1.2384 | 0.1024 | 0.0425 |
0.7 | 225 | 1.8461 | 0.1585 | 0.054 |
0.7 | 255 | 2.4542 | 0.2602 | 0.0773 |
0.7 | 285 | 2.5151 | 0.2449 | 0.0739 |
0.7 | 315 | 1.4098 | 0.1293 | 0.022 |
0.7 | 345 | 0.8366 | 0.0687 | 0.019 |
0.9 | 15 | 1.4688 | 0.0956 | 0.0696 |
0.9 | 45 | 1.4663 | 0.0993 | 0.0389 |
0.9 | 75 | 1.6916 | 0.1244 | 0.0707 |
0.9 | 105 | 1.875 | 0.1508 | 0.0422 |
0.9 | 135 | 1.9953 | 0.1748 | 0.1057 |
0.9 | 165 | 1.4606 | 0.1294 | 0.076 |
0.9 | 195 | 1.5922 | 0.1453 | 0.0821 |
0.9 | 225 | 1.8676 | 0.1618 | 0.0474 |
0.9 | 255 | 1.9654 | 0.161 | 0.0545 |
0.9 | 285 | 1.6035 | 0.12 | 0.0447 |
0.9 | 315 | 1.6513 | 0.1147 | 0.0427 |
0.9 | 345 | 1.2942 | 0.0856 | 0.0587 |