θπ = deg
Fit φ dependence:
Parameter (X axis): φπ, deg
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Experiment: E89-038 CLAS experiment, 1999
Spokespersons: V. Burkert, R. Minehart
Experiment comment: Beam energy 1.515 GeV. Global 5.8% scaling systematic uncertainty for all data points
Measurement comment: Global 5.8% scaling systematic uncertainty
Publication:
Quantity measured: dσ/dΩ, mcbn/sterad
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none
| Q2 : | 0.55 — 0.65 GeV2 | |
|---|---|---|
| W : | 1.4 — 1.42 GeV | |
| Ebeam : | 1.515 GeV |
|
Select data slice:
θπ = deg Fit φ dependence: |
Observable quantity measured (Y axis): dσ/dΩ, mcbn/sterad
Parameter (X axis): φπ, deg |
Click here to get data in text file, delimited with tabs.
Click here to get calculated fit coefficients in text file, delimited with tabs.
Measured data:
|
θπ,
deg |
φπ,
deg |
dσ/dΩ,
mcbn/sterad |
Data errors,
mcbn/sterad |
Systematic errors,
mcbn/sterad |
|---|---|---|---|---|
| 22.5 | 75 | 5.476 | 2.144 | 0.548 |
| 22.5 | 135 | 6.412 | 1.988 | 0.5836 |
| 22.5 | 195 | 3.332 | 1.233 | 0.551 |
| 37.5 | 45 | 5.246 | 1.319 | 0.6125 |
| 37.5 | 75 | 6.034 | 1.295 | 0.6218 |
| 37.5 | 105 | 5.862 | 2.186 | 0.6162 |
| 37.5 | 255 | 6.042 | 2.143 | 0.6091 |
| 37.5 | 285 | 4.607 | 0.8163 | 0.6036 |
| 52.5 | 45 | 4.872 | 1.3 | 0.5112 |
| 52.5 | 75 | 4.449 | 0.7214 | 0.5408 |
| 52.5 | 165 | 2.552 | 0.7105 | 0.491 |
| 52.5 | 195 | 4.462 | 1.987 | 0.535 |
| 52.5 | 285 | 5.39 | 1.246 | 0.5437 |
| 67.5 | 45 | 2.909 | 1.064 | 0.5313 |
| 67.5 | 105 | 4.105 | 1.301 | 0.5432 |
| 67.5 | 135 | 3.775 | 0.7135 | 0.5449 |
| 67.5 | 165 | 4.291 | 1.704 | 0.5523 |
| 67.5 | 195 | 3.443 | 1.179 | 0.5371 |
| 67.5 | 225 | 2.883 | 0.733 | 0.5225 |
| 67.5 | 255 | 2.554 | 0.5117 | 0.5249 |
| 67.5 | 315 | 2.173 | 0.6896 | 0.5196 |
| 82.5 | 45 | 2.377 | 0.7178 | 0.4302 |
| 82.5 | 105 | 2.591 | 0.3723 | 0.45 |
| 82.5 | 135 | 2.103 | 0.5325 | 0.4391 |
| 82.5 | 165 | 2.135 | 0.6659 | 0.4295 |
| 82.5 | 195 | 2.112 | 0.5801 | 0.4337 |
| 82.5 | 255 | 2.835 | 0.5537 | 0.4403 |
| 97.5 | 45 | 1.287 | 0.4038 | 0.4313 |
| 97.5 | 105 | 3.87 | 1.498 | 0.4759 |
| 97.5 | 165 | 1.328 | 0.3944 | 0.4295 |
| 97.5 | 195 | 1.933 | 0.8035 | 0.436 |
| 97.5 | 255 | 3.214 | 1.163 | 0.4514 |
| 97.5 | 285 | 2.341 | 0.9229 | 0.4449 |
| 112.5 | 165 | 1.202 | 0.4288 | 0.2561 |
| 112.5 | 195 | 0.7774 | 0.2514 | 0.2536 |
| 112.5 | 255 | 1.844 | 0.5203 | 0.2698 |
| 142.5 | 15 | 0.139 | 0.05844 | 0.01045 |