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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 : | 3.15 GeV2 | |
---|---|---|
W : | 1.765 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 | 135 | 0.0572 | 0.0854 | 0.0231 |
-0.9 | 225 | 0.0862 | 0.0288 | 0.0113 |
-0.9 | 255 | 0.0688 | 0.1116 | 0.0323 |
-0.9 | 315 | 0.1721 | 0.0567 | 0.0182 |
-0.7 | 45 | 0.1402 | 0.0519 | 0.0163 |
-0.7 | 105 | 0.0452 | 0.0111 | 0.0034 |
-0.7 | 135 | 0.0558 | 0.0198 | 0.0088 |
-0.7 | 165 | 0.0676 | 0.0515 | 0.0211 |
-0.7 | 195 | 0.0571 | 0.0153 | 0.0073 |
-0.7 | 225 | 0.0768 | 0.0296 | 0.0154 |
-0.7 | 255 | 0.0657 | 0.0263 | 0.0085 |
-0.7 | 315 | 0.1258 | 0.0463 | 0.0225 |
-0.5 | 15 | 0.4769 | 0.3849 | 0.0306 |
-0.5 | 75 | 0.0557 | 0.0149 | 0.0041 |
-0.5 | 105 | 0.0679 | 0.0139 | 0.0042 |
-0.5 | 135 | 0.0503 | 0.0173 | 0.0044 |
-0.5 | 165 | 0.0614 | 0.0171 | 0.0039 |
-0.5 | 195 | 0.0508 | 0.0141 | 0.0036 |
-0.5 | 225 | 0.0516 | 0.0121 | 0.0044 |
-0.5 | 255 | 0.053 | 0.0117 | 0.003 |
-0.5 | 285 | 0.0681 | 0.0243 | 0.0068 |
-0.3 | 15 | 0.0326 | 0.0154 | 0.0033 |
-0.3 | 45 | 0.0933 | 0.0287 | 0.0066 |
-0.3 | 75 | 0.1062 | 0.0218 | 0.007 |
-0.3 | 105 | 0.1122 | 0.019 | 0.009 |
-0.3 | 135 | 0.0901 | 0.0206 | 0.0062 |
-0.3 | 165 | 0.088 | 0.016 | 0.0057 |
-0.3 | 195 | 0.0719 | 0.013 | 0.0054 |
-0.3 | 225 | 0.0812 | 0.0162 | 0.0217 |
-0.3 | 255 | 0.1134 | 0.0238 | 0.0087 |
-0.3 | 285 | 0.1109 | 0.0277 | 0.0076 |
-0.1 | 45 | 0.1182 | 0.0273 | 0.0063 |
-0.1 | 75 | 0.1753 | 0.0324 | 0.0213 |
-0.1 | 105 | 0.1532 | 0.0286 | 0.0151 |
-0.1 | 135 | 0.1773 | 0.0316 | 0.0146 |
-0.1 | 165 | 0.0915 | 0.0134 | 0.0069 |
-0.1 | 195 | 0.1666 | 0.0254 | 0.0138 |
-0.1 | 225 | 0.151 | 0.0256 | 0.0165 |
-0.1 | 255 | 0.171 | 0.0312 | 0.0171 |
-0.1 | 285 | 0.206 | 0.0456 | 0.0223 |
0.1 | 15 | 0.3396 | 0.2453 | 0.0239 |
0.1 | 45 | 0.1607 | 0.0358 | 0.0124 |
0.1 | 75 | 0.1939 | 0.0339 | 0.0165 |
0.1 | 105 | 0.1782 | 0.033 | 0.0161 |
0.1 | 135 | 0.1177 | 0.0229 | 0.0094 |
0.1 | 165 | 0.0995 | 0.0154 | 0.008 |
0.1 | 195 | 0.0792 | 0.0123 | 0.0057 |
0.1 | 225 | 0.0854 | 0.0186 | 0.007 |
0.1 | 255 | 0.1171 | 0.0295 | 0.0131 |
0.1 | 285 | 0.1549 | 0.0348 | 0.0127 |
0.1 | 315 | 0.1556 | 0.041 | 0.0095 |
0.3 | 15 | 0.0652 | 0.0314 | 0.0042 |
0.3 | 45 | 0.2067 | 0.0333 | 0.0131 |
0.3 | 75 | 0.2595 | 0.0365 | 0.0231 |
0.3 | 105 | 0.3292 | 0.0601 | 0.0351 |
0.3 | 135 | 0.2052 | 0.0329 | 0.0163 |
0.3 | 165 | 0.0775 | 0.0094 | 0.0056 |
0.3 | 195 | 0.0875 | 0.0108 | 0.0064 |
0.3 | 225 | 0.1799 | 0.033 | 0.021 |
0.3 | 255 | 0.4175 | 0.0914 | 0.0382 |
0.3 | 285 | 0.2728 | 0.05 | 0.0245 |
0.3 | 315 | 0.2193 | 0.0378 | 0.0136 |
0.5 | 15 | 0.1988 | 0.0751 | 0.0662 |
0.5 | 45 | 0.1804 | 0.0323 | 0.0145 |
0.5 | 75 | 0.2981 | 0.0493 | 0.0293 |
0.5 | 105 | 0.3789 | 0.0606 | 0.0356 |
0.5 | 135 | 0.3688 | 0.0707 | 0.0315 |
0.5 | 165 | 0.2167 | 0.0313 | 0.0189 |
0.5 | 195 | 0.2604 | 0.0377 | 0.018 |
0.5 | 225 | 0.368 | 0.0712 | 0.0257 |
0.5 | 255 | 0.3236 | 0.0664 | 0.0312 |
0.5 | 285 | 0.2026 | 0.0389 | 0.0211 |
0.5 | 315 | 0.1721 | 0.0359 | 0.0171 |
0.5 | 345 | 0.1929 | 0.0758 | 0.0113 |
0.7 | 15 | 0.1149 | 0.0237 | 0.006 |
0.7 | 45 | 0.3864 | 0.0605 | 0.0251 |
0.7 | 75 | 0.4504 | 0.073 | 0.0477 |
0.7 | 105 | 0.4611 | 0.0735 | 0.0437 |
0.7 | 135 | 0.3742 | 0.0727 | 0.0326 |
0.7 | 165 | 0.3616 | 0.0525 | 0.0252 |
0.7 | 195 | 0.3678 | 0.068 | 0.034 |
0.7 | 225 | 0.3653 | 0.0619 | 0.0318 |
0.7 | 255 | 0.3231 | 0.0616 | 0.0278 |
0.7 | 285 | 0.3633 | 0.0587 | 0.0263 |
0.7 | 315 | 0.4048 | 0.0843 | 0.0232 |
0.7 | 345 | 0.191 | 0.0334 | 0.0117 |
0.9 | 15 | 0.3839 | 0.0465 | 0.0089 |
0.9 | 45 | 0.3711 | 0.0492 | 0.0178 |
0.9 | 75 | 0.3236 | 0.045 | 0.0117 |
0.9 | 105 | 0.3296 | 0.0476 | 0.0181 |
0.9 | 135 | 0.3524 | 0.0471 | 0.0168 |
0.9 | 165 | 0.3354 | 0.048 | 0.0398 |
0.9 | 195 | 0.3423 | 0.0472 | 0.0389 |
0.9 | 225 | 0.3729 | 0.055 | 0.0126 |
0.9 | 255 | 0.4195 | 0.0532 | 0.016 |
0.9 | 285 | 0.2672 | 0.0422 | 0.019 |
0.9 | 315 | 0.2915 | 0.0402 | 0.0072 |
0.9 | 345 | 0.3722 | 0.0481 | 0.0064 |