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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 : | 1.78 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 | 0.158 | 0.0284 | 0.0225 |
-0.9 | 22.5 | 0.1578 | 0.0361 | 0.0662 |
-0.9 | 37.5 | 0.2319 | 0.05 | 0.0182 |
-0.9 | 52.5 | 0.2947 | 0.0517 | 0.0343 |
-0.9 | 67.5 | 0.2265 | 0.0414 | 0.0402 |
-0.9 | 82.5 | 0.2419 | 0.0491 | 0.0403 |
-0.9 | 97.5 | 0.2277 | 0.0524 | 0.0699 |
-0.9 | 112.5 | 0.3778 | 0.0776 | 0.0674 |
-0.9 | 127.5 | 0.2256 | 0.0426 | 0.0366 |
-0.9 | 172.5 | 0.3403 | 0.0859 | 0.0417 |
-0.9 | 187.5 | 0.1392 | 0.0427 | 0.0529 |
-0.9 | 202.5 | 0.2008 | 0.0778 | 0.0414 |
-0.9 | 217.5 | 0.1755 | 0.05 | 0.072 |
-0.9 | 232.5 | 0.2708 | 0.0545 | 0.0244 |
-0.9 | 247.5 | 0.3403 | 0.0608 | 0.0501 |
-0.9 | 262.5 | 0.1699 | 0.0448 | 0.0433 |
-0.9 | 277.5 | 0.3106 | 0.0609 | 0.0507 |
-0.9 | 292.5 | 0.2268 | 0.0393 | 0.0461 |
-0.9 | 307.5 | 0.1374 | 0.0251 | 0.0283 |
-0.9 | 322.5 | 0.2349 | 0.049 | 0.0501 |
-0.9 | 337.5 | 0.1747 | 0.0369 | 0.0298 |
-0.9 | 352.5 | 0.1626 | 0.0323 | 0.0208 |
-0.7 | 7.5 | 0.1049 | 0.0184 | 0.0241 |
-0.7 | 22.5 | 0.0924 | 0.0212 | 0.0241 |
-0.7 | 37.5 | 0.1686 | 0.0266 | 0.0268 |
-0.7 | 52.5 | 0.153 | 0.0224 | 0.0276 |
-0.7 | 67.5 | 0.1127 | 0.0189 | 0.012 |
-0.7 | 82.5 | 0.1134 | 0.0232 | 0.0336 |
-0.7 | 97.5 | 0.1016 | 0.017 | 0.0218 |
-0.7 | 112.5 | 0.1362 | 0.0201 | 0.0222 |
-0.7 | 127.5 | 0.1025 | 0.0184 | 0.0152 |
-0.7 | 142.5 | 0.1426 | 0.0279 | 0.0267 |
-0.7 | 157.5 | 0.0871 | 0.0137 | 0.0243 |
-0.7 | 172.5 | 0.065 | 0.0133 | 0.0134 |
-0.7 | 187.5 | 0.1372 | 0.022 | 0.0219 |
-0.7 | 202.5 | 0.1154 | 0.0193 | 0.0172 |
-0.7 | 217.5 | 0.095 | 0.0198 | 0.0117 |
-0.7 | 232.5 | 0.0838 | 0.0156 | 0.0196 |
-0.7 | 247.5 | 0.1194 | 0.0172 | 0.0127 |
-0.7 | 262.5 | 0.111 | 0.0175 | 0.0277 |
-0.7 | 277.5 | 0.1481 | 0.0262 | 0.0531 |
-0.7 | 292.5 | 0.1234 | 0.0214 | 0.0144 |
-0.7 | 307.5 | 0.0938 | 0.015 | 0.0221 |
-0.7 | 322.5 | 0.1797 | 0.0295 | 0.0255 |
-0.7 | 337.5 | 0.1524 | 0.0301 | 0.028 |
-0.7 | 352.5 | 0.1597 | 0.0259 | 0.0248 |
-0.5 | 7.5 | 0.2189 | 0.0382 | 0.0231 |
-0.5 | 22.5 | 0.2651 | 0.0594 | 0.0388 |
-0.5 | 37.5 | 0.177 | 0.0295 | 0.0248 |
-0.5 | 52.5 | 0.1469 | 0.026 | 0.0338 |
-0.5 | 67.5 | 0.2314 | 0.0382 | 0.0452 |
-0.5 | 82.5 | 0.2056 | 0.0292 | 0.0281 |
-0.5 | 97.5 | 0.1613 | 0.0192 | 0.0196 |
-0.5 | 112.5 | 0.18 | 0.023 | 0.0265 |
-0.5 | 127.5 | 0.1361 | 0.0187 | 0.0102 |
-0.5 | 142.5 | 0.1999 | 0.0313 | 0.0487 |
-0.5 | 157.5 | 0.1315 | 0.0187 | 0.0196 |
-0.5 | 172.5 | 0.0981 | 0.0161 | 0.0165 |
-0.5 | 187.5 | 0.1782 | 0.0247 | 0.027 |
-0.5 | 202.5 | 0.1325 | 0.0206 | 0.0133 |
-0.5 | 217.5 | 0.1664 | 0.0262 | 0.0375 |
-0.5 | 232.5 | 0.162 | 0.0215 | 0.0211 |
-0.5 | 247.5 | 0.151 | 0.0197 | 0.0267 |
-0.5 | 262.5 | 0.1818 | 0.0222 | 0.0204 |
-0.5 | 277.5 | 0.1666 | 0.023 | 0.0146 |
-0.5 | 292.5 | 0.1979 | 0.0329 | 0.0355 |
-0.5 | 307.5 | 0.2597 | 0.0364 | 0.0352 |
-0.5 | 322.5 | 0.248 | 0.0384 | 0.0256 |
-0.5 | 337.5 | 0.1956 | 0.0498 | 0.0624 |
-0.5 | 352.5 | 0.1621 | 0.0302 | 0.0371 |
-0.3 | 7.5 | 0.1838 | 0.0426 | 0.0413 |
-0.3 | 22.5 | 0.3361 | 0.0724 | 0.0359 |
-0.3 | 37.5 | 0.296 | 0.0453 | 0.0271 |
-0.3 | 52.5 | 0.3997 | 0.0606 | 0.0741 |
-0.3 | 67.5 | 0.3829 | 0.0555 | 0.1001 |
-0.3 | 82.5 | 0.3668 | 0.0397 | 0.0398 |
-0.3 | 97.5 | 0.2599 | 0.0283 | 0.0273 |
-0.3 | 112.5 | 0.288 | 0.0279 | 0.0498 |
-0.3 | 127.5 | 0.2904 | 0.0304 | 0.0355 |
-0.3 | 142.5 | 0.1645 | 0.0229 | 0.0198 |
-0.3 | 157.5 | 0.2017 | 0.0225 | 0.0274 |
-0.3 | 172.5 | 0.1662 | 0.0181 | 0.0256 |
-0.3 | 187.5 | 0.1558 | 0.0165 | 0.0099 |
-0.3 | 202.5 | 0.2055 | 0.023 | 0.0312 |
-0.3 | 217.5 | 0.1473 | 0.022 | 0.0373 |
-0.3 | 232.5 | 0.2163 | 0.0253 | 0.0354 |
-0.3 | 247.5 | 0.3233 | 0.0298 | 0.0574 |
-0.3 | 262.5 | 0.3001 | 0.0292 | 0.0409 |
-0.3 | 277.5 | 0.2511 | 0.028 | 0.0359 |
-0.3 | 292.5 | 0.412 | 0.0571 | 0.0818 |
-0.3 | 307.5 | 0.2385 | 0.0471 | 0.0362 |
-0.3 | 322.5 | 0.2145 | 0.0648 | 0.0217 |
-0.3 | 352.5 | 0.0902 | 0.0268 | 0.0232 |
-0.1 | 22.5 | 0.3312 | 0.0559 | 0.036 |
-0.1 | 37.5 | 0.2963 | 0.0507 | 0.0204 |
-0.1 | 52.5 | 0.3525 | 0.1276 | 0.0646 |
-0.1 | 67.5 | 0.607 | 0.0765 | 0.1107 |
-0.1 | 82.5 | 0.4703 | 0.0449 | 0.0819 |
-0.1 | 112.5 | 0.4459 | 0.0438 | 0.074 |
-0.1 | 127.5 | 0.4026 | 0.0481 | 0.0929 |
-0.1 | 142.5 | 0.3151 | 0.0377 | 0.0702 |
-0.1 | 157.5 | 0.314 | 0.0338 | 0.0702 |
-0.1 | 172.5 | 0.2491 | 0.0209 | 0.0357 |
-0.1 | 187.5 | 0.2436 | 0.0209 | 0.0263 |
-0.1 | 202.5 | 0.4061 | 0.0364 | 0.0758 |
-0.1 | 217.5 | 0.3164 | 0.0384 | 0.0672 |
-0.1 | 247.5 | 0.3517 | 0.0333 | 0.0596 |
-0.1 | 262.5 | 0.3683 | 0.0323 | 0.0635 |
-0.1 | 277.5 | 0.5568 | 0.0519 | 0.1294 |
-0.1 | 292.5 | 0.4372 | 0.0759 | 0.1116 |
0.1 | 7.5 | 0.1499 | 0.06 | 0.0777 |
0.1 | 22.5 | 0.1522 | 0.0367 | 0.0093 |
0.1 | 37.5 | 0.3239 | 0.0777 | 0.1097 |
0.1 | 52.5 | 0.462 | 0.0956 | 0.0998 |
0.1 | 67.5 | 0.8026 | 0.1224 | 0.1614 |
0.1 | 82.5 | 0.5969 | 0.1008 | 0.1009 |
0.1 | 97.5 | 0.7281 | 0.0658 | 0.1352 |
0.1 | 112.5 | 0.3733 | 0.0501 | 0.0748 |
0.1 | 127.5 | 0.4234 | 0.0641 | 0.1109 |
0.1 | 142.5 | 0.2643 | 0.0387 | 0.0677 |
0.1 | 157.5 | 0.3037 | 0.0344 | 0.0483 |
0.1 | 172.5 | 0.1937 | 0.0197 | 0.0342 |
0.1 | 187.5 | 0.1357 | 0.0162 | 0.0212 |
0.1 | 202.5 | 0.2619 | 0.031 | 0.038 |
0.1 | 217.5 | 0.3395 | 0.048 | 0.0882 |
0.1 | 232.5 | 0.4173 | 0.0601 | 0.1137 |
0.1 | 247.5 | 0.333 | 0.0465 | 0.0635 |
0.1 | 262.5 | 0.4928 | 0.0697 | 0.1131 |
0.1 | 277.5 | 0.6769 | 0.1143 | 0.1222 |
0.1 | 292.5 | 0.495 | 0.1205 | 0.0844 |
0.1 | 307.5 | 0.2834 | 0.0891 | 0.1142 |
0.1 | 322.5 | 0.422 | 0.1673 | 0.1123 |
0.1 | 337.5 | 0.2575 | 0.0941 | 0.056 |
0.3 | 22.5 | 0.2106 | 0.0706 | 0.0596 |
0.3 | 37.5 | 0.3072 | 0.0596 | 0.0437 |
0.3 | 52.5 | 0.4018 | 0.0618 | 0.0861 |
0.3 | 67.5 | 0.5423 | 0.0861 | 0.086 |
0.3 | 82.5 | 0.6219 | 0.1049 | 0.1051 |
0.3 | 97.5 | 0.5582 | 0.0757 | 0.1155 |
0.3 | 112.5 | 0.5927 | 0.0827 | 0.1351 |
0.3 | 127.5 | 0.5947 | 0.0784 | 0.1857 |
0.3 | 142.5 | 0.4062 | 0.0465 | 0.0845 |
0.3 | 157.5 | 0.3639 | 0.0393 | 0.0674 |
0.3 | 172.5 | 0.3461 | 0.0334 | 0.065 |
0.3 | 187.5 | 0.2866 | 0.0288 | 0.0382 |
0.3 | 202.5 | 0.445 | 0.0433 | 0.0744 |
0.3 | 217.5 | 0.3665 | 0.0425 | 0.0959 |
0.3 | 232.5 | 0.5729 | 0.0812 | 0.1673 |
0.3 | 247.5 | 0.4575 | 0.0601 | 0.1222 |
0.3 | 262.5 | 0.6539 | 0.0936 | 0.168 |
0.3 | 277.5 | 0.9065 | 0.1729 | 0.1687 |
0.3 | 292.5 | 0.5269 | 0.1096 | 0.1035 |
0.3 | 307.5 | 0.4214 | 0.1006 | 0.0789 |
0.3 | 322.5 | 0.4558 | 0.0986 | 0.0717 |
0.3 | 337.5 | 0.3236 | 0.1339 | 0.0515 |
0.5 | 22.5 | 0.1505 | 0.0241 | 0.0185 |
0.5 | 37.5 | 0.1803 | 0.0238 | 0.0246 |
0.5 | 52.5 | 0.3352 | 0.0369 | 0.062 |
0.5 | 67.5 | 0.547 | 0.0564 | 0.0825 |
0.5 | 82.5 | 0.6368 | 0.0753 | 0.1272 |
0.5 | 97.5 | 0.5564 | 0.1115 | 0.1018 |
0.5 | 112.5 | 0.4959 | 0.1295 | 0.1165 |
0.5 | 127.5 | 0.4118 | 0.06 | 0.0906 |
0.5 | 142.5 | 0.2691 | 0.0305 | 0.0589 |
0.5 | 157.5 | 0.2662 | 0.027 | 0.0426 |
0.5 | 172.5 | 0.3555 | 0.0304 | 0.0507 |
0.5 | 187.5 | 0.2971 | 0.0267 | 0.0391 |
0.5 | 202.5 | 0.2974 | 0.0294 | 0.0494 |
0.5 | 217.5 | 0.2524 | 0.0293 | 0.0541 |
0.5 | 232.5 | 0.5514 | 0.0763 | 0.1485 |
0.5 | 247.5 | 0.6655 | 0.1775 | 0.164 |
0.5 | 262.5 | 0.6399 | 0.1464 | 0.1726 |
0.5 | 277.5 | 0.7619 | 0.1312 | 0.1861 |
0.5 | 292.5 | 0.3949 | 0.0678 | 0.0761 |
0.5 | 307.5 | 0.4385 | 0.0614 | 0.0651 |
0.5 | 322.5 | 0.1807 | 0.0308 | 0.0253 |
0.5 | 337.5 | 0.1701 | 0.033 | 0.0317 |
0.7 | 7.5 | 0.3319 | 0.0485 | 0.0475 |
0.7 | 22.5 | 0.3004 | 0.0601 | 0.1033 |
0.7 | 37.5 | 0.3361 | 0.0477 | 0.0632 |
0.7 | 52.5 | 0.4294 | 0.043 | 0.0629 |
0.7 | 67.5 | 0.7517 | 0.0587 | 0.1141 |
0.7 | 82.5 | 0.9446 | 0.1064 | 0.1592 |
0.7 | 97.5 | 1.4604 | 0.1744 | 0.5336 |
0.7 | 112.5 | 1.3871 | 0.1821 | 0.2821 |
0.7 | 127.5 | 1.1761 | 0.1514 | 0.2576 |
0.7 | 142.5 | 0.9826 | 0.1045 | 0.1394 |
0.7 | 157.5 | 0.7781 | 0.0817 | 0.1154 |
0.7 | 172.5 | 0.9113 | 0.1134 | 0.1277 |
0.7 | 187.5 | 0.8332 | 0.0847 | 0.1117 |
0.7 | 202.5 | 0.9632 | 0.0981 | 0.1234 |
0.7 | 217.5 | 0.7667 | 0.0915 | 0.1139 |
0.7 | 232.5 | 1.0225 | 0.1304 | 0.1348 |
0.7 | 247.5 | 0.8314 | 0.1401 | 0.1853 |
0.7 | 262.5 | 1.4695 | 0.2324 | 0.4911 |
0.7 | 277.5 | 1.0425 | 0.1521 | 0.3668 |
0.7 | 292.5 | 0.5522 | 0.0669 | 0.1032 |
0.7 | 307.5 | 0.4638 | 0.0511 | 0.0751 |
0.7 | 322.5 | 0.3443 | 0.0585 | 0.0374 |
0.7 | 337.5 | 0.2933 | 0.0707 | 0.053 |
0.7 | 352.5 | 0.282 | 0.0433 | 0.0334 |
0.9 | 7.5 | 0.7491 | 0.0532 | 0.104 |
0.9 | 22.5 | 0.7297 | 0.0536 | 0.0979 |
0.9 | 37.5 | 0.541 | 0.0436 | 0.0672 |
0.9 | 52.5 | 0.4763 | 0.0406 | 0.0677 |
0.9 | 67.5 | 0.6175 | 0.0486 | 0.0751 |
0.9 | 82.5 | 0.6677 | 0.0504 | 0.0938 |
0.9 | 97.5 | 0.6777 | 0.0513 | 0.0819 |
0.9 | 112.5 | 0.6455 | 0.0498 | 0.0808 |
0.9 | 127.5 | 0.6977 | 0.0521 | 0.0786 |
0.9 | 142.5 | 0.7809 | 0.0607 | 0.0993 |
0.9 | 157.5 | 0.9132 | 0.0671 | 0.1165 |
0.9 | 172.5 | 0.9086 | 0.0666 | 0.0964 |
0.9 | 187.5 | 0.6755 | 0.0522 | 0.0844 |
0.9 | 202.5 | 0.7557 | 0.059 | 0.0785 |
0.9 | 217.5 | 0.9902 | 0.0736 | 0.1152 |
0.9 | 232.5 | 0.7042 | 0.054 | 0.0761 |
0.9 | 247.5 | 0.8372 | 0.0612 | 0.0833 |
0.9 | 262.5 | 0.8651 | 0.0652 | 0.0929 |
0.9 | 277.5 | 0.6541 | 0.0521 | 0.0684 |
0.9 | 292.5 | 0.6504 | 0.0508 | 0.0681 |
0.9 | 307.5 | 0.511 | 0.0434 | 0.0468 |
0.9 | 322.5 | 0.5621 | 0.0456 | 0.0545 |
0.9 | 337.5 | 0.6379 | 0.0516 | 0.0566 |
0.9 | 352.5 | 0.5995 | 0.0451 | 0.061 |