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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 : | 1.695 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 | 0.6969 | 0.1292 | 0.0284 |
-0.9 | 45 | 0.7165 | 0.1155 | 0.0352 |
-0.9 | 75 | 0.6188 | 0.1415 | 0.0985 |
-0.9 | 105 | 0.4732 | 0.0908 | 0.0498 |
-0.9 | 135 | 0.3538 | 0.0775 | 0.0525 |
-0.9 | 165 | 0.3183 | 0.0715 | 0.0869 |
-0.9 | 195 | 0.3779 | 0.0808 | 0.0977 |
-0.9 | 225 | 0.4067 | 0.0743 | 0.0515 |
-0.9 | 255 | 0.4945 | 0.0858 | 0.0464 |
-0.9 | 285 | 0.5523 | 0.1112 | 0.0676 |
-0.9 | 315 | 0.6759 | 0.1075 | 0.0395 |
-0.9 | 345 | 0.5437 | 0.0925 | 0.0227 |
-0.7 | 15 | 0.5855 | 0.1051 | 0.0297 |
-0.7 | 45 | 0.6021 | 0.0922 | 0.0274 |
-0.7 | 75 | 0.606 | 0.0995 | 0.0294 |
-0.7 | 105 | 0.4977 | 0.0672 | 0.0115 |
-0.7 | 135 | 0.25 | 0.0407 | 0.0123 |
-0.7 | 165 | 0.2585 | 0.0462 | 0.0218 |
-0.7 | 195 | 0.264 | 0.0444 | 0.019 |
-0.7 | 225 | 0.2921 | 0.0575 | 0.0205 |
-0.7 | 255 | 0.3775 | 0.0533 | 0.0068 |
-0.7 | 285 | 0.4836 | 0.0747 | 0.0122 |
-0.7 | 315 | 0.5774 | 0.0812 | 0.0223 |
-0.7 | 345 | 0.4944 | 0.0805 | 0.0169 |
-0.5 | 15 | 0.5248 | 0.1259 | 0.015 |
-0.5 | 45 | 0.5916 | 0.0883 | 0.0282 |
-0.5 | 75 | 0.6756 | 0.0933 | 0.0227 |
-0.5 | 105 | 0.7351 | 0.0915 | 0.0145 |
-0.5 | 135 | 0.6108 | 0.0737 | 0.0156 |
-0.5 | 165 | 0.4409 | 0.0554 | 0.0117 |
-0.5 | 195 | 0.4494 | 0.053 | 0.0136 |
-0.5 | 225 | 0.5095 | 0.0671 | 0.0084 |
-0.5 | 255 | 0.8111 | 0.0873 | 0.011 |
-0.5 | 285 | 0.7587 | 0.1057 | 0.0194 |
-0.5 | 315 | 0.6526 | 0.107 | 0.0252 |
-0.5 | 345 | 0.3594 | 0.0833 | 0.0402 |
-0.3 | 15 | 0.4607 | 0.1132 | 0.0101 |
-0.3 | 45 | 0.6757 | 0.1217 | 0.0087 |
-0.3 | 75 | 0.8122 | 0.1111 | 0.0228 |
-0.3 | 105 | 0.8082 | 0.0878 | 0.0234 |
-0.3 | 135 | 0.7738 | 0.0878 | 0.0153 |
-0.3 | 165 | 0.6201 | 0.0593 | 0.0138 |
-0.3 | 195 | 0.6577 | 0.0702 | 0.0153 |
-0.3 | 225 | 0.6368 | 0.0683 | 0.0157 |
-0.3 | 255 | 0.8135 | 0.0811 | 0.018 |
-0.3 | 285 | 0.7027 | 0.083 | 0.0103 |
-0.1 | 15 | 0.493 | 0.1016 | 0.0219 |
-0.1 | 45 | 0.7044 | 0.1175 | 0.0288 |
-0.1 | 75 | 0.948 | 0.1013 | 0.0248 |
-0.1 | 105 | 0.8141 | 0.0856 | 0.0237 |
-0.1 | 135 | 0.852 | 0.0954 | 0.0198 |
-0.1 | 165 | 0.8555 | 0.071 | 0.0155 |
-0.1 | 195 | 0.7683 | 0.0643 | 0.0212 |
-0.1 | 225 | 0.7755 | 0.0826 | 0.0264 |
-0.1 | 255 | 0.7259 | 0.0765 | 0.0205 |
-0.1 | 285 | 0.8071 | 0.0942 | 0.0224 |
0.1 | 15 | 0.4861 | 0.1256 | 0.0348 |
0.1 | 45 | 0.7009 | 0.0978 | 0.0292 |
0.1 | 75 | 1.029 | 0.1013 | 0.0393 |
0.1 | 105 | 0.94 | 0.0909 | 0.0328 |
0.1 | 135 | 0.7755 | 0.0829 | 0.0198 |
0.1 | 165 | 0.5878 | 0.0564 | 0.018 |
0.1 | 195 | 0.5531 | 0.0508 | 0.0217 |
0.1 | 225 | 0.791 | 0.0825 | 0.039 |
0.1 | 255 | 1.0232 | 0.1017 | 0.0362 |
0.1 | 285 | 1.0359 | 0.1178 | 0.041 |
0.1 | 315 | 0.6057 | 0.1037 | 0.0199 |
0.3 | 15 | 0.3392 | 0.0518 | 0.0095 |
0.3 | 45 | 0.9421 | 0.0833 | 0.0317 |
0.3 | 75 | 1.0941 | 0.0901 | 0.0464 |
0.3 | 105 | 1.0067 | 0.0906 | 0.0388 |
0.3 | 135 | 0.7036 | 0.0646 | 0.0259 |
0.3 | 165 | 0.5645 | 0.0433 | 0.0183 |
0.3 | 195 | 0.5751 | 0.0446 | 0.012 |
0.3 | 225 | 0.813 | 0.0836 | 0.0429 |
0.3 | 255 | 1.0855 | 0.1099 | 0.0603 |
0.3 | 285 | 1.0547 | 0.1109 | 0.0395 |
0.3 | 315 | 1.0326 | 0.1084 | 0.0343 |
0.3 | 345 | 0.8327 | 0.1522 | 0.0248 |
0.5 | 15 | 0.4641 | 0.0672 | 0.0174 |
0.5 | 45 | 0.7055 | 0.0708 | 0.0305 |
0.5 | 75 | 1.1402 | 0.1079 | 0.0446 |
0.5 | 105 | 1.1758 | 0.1302 | 0.0602 |
0.5 | 135 | 0.9176 | 0.0892 | 0.0543 |
0.5 | 165 | 0.6365 | 0.0545 | 0.0352 |
0.5 | 195 | 0.4429 | 0.0384 | 0.0162 |
0.5 | 225 | 0.8787 | 0.0887 | 0.0322 |
0.5 | 255 | 1.2078 | 0.1671 | 0.0468 |
0.5 | 285 | 1.3081 | 0.147 | 0.0659 |
0.5 | 315 | 0.7691 | 0.0904 | 0.0267 |
0.5 | 345 | 0.2898 | 0.0481 | 0.0074 |
0.7 | 15 | 0.5274 | 0.05 | 0.0148 |
0.7 | 45 | 1.0215 | 0.1016 | 0.0362 |
0.7 | 75 | 1.2452 | 0.1079 | 0.0519 |
0.7 | 105 | 1.4878 | 0.1429 | 0.0692 |
0.7 | 165 | 0.7513 | 0.0685 | 0.0448 |
0.7 | 195 | 0.7456 | 0.066 | 0.0375 |
0.7 | 225 | 0.8963 | 0.0939 | 0.0568 |
0.7 | 255 | 1.2071 | 0.1271 | 0.0617 |
0.7 | 285 | 1.4831 | 0.1386 | 0.078 |
0.7 | 315 | 0.6955 | 0.0804 | 0.0309 |
0.7 | 345 | 0.4686 | 0.0422 | 0.0199 |
0.9 | 15 | 1.106 | 0.0882 | 0.0188 |
0.9 | 45 | 1.0978 | 0.0847 | 0.0226 |
0.9 | 75 | 1.1684 | 0.0904 | 0.0433 |
0.9 | 105 | 1.2677 | 0.1083 | 0.0594 |
0.9 | 135 | 1.0935 | 0.101 | 0.0799 |
0.9 | 165 | 1.0774 | 0.099 | 0.1092 |
0.9 | 195 | 1.0085 | 0.0987 | 0.1166 |
0.9 | 225 | 1.1251 | 0.1021 | 0.0793 |
0.9 | 255 | 1.2256 | 0.1003 | 0.0603 |
0.9 | 285 | 1.2594 | 0.0974 | 0.0361 |
0.9 | 315 | 0.9971 | 0.0778 | 0.0177 |
0.9 | 345 | 1.1451 | 0.0845 | 0.0375 |