Measurement E151M2708
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3849 | |
| Q2: | 0.101 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8723 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 258.0 | -0.1855 | 0.3404 |
| 0.55 | 270.0 | -0.0686 | 0.3282 |
| 0.55 | 282.0 | 0.2003 | 0.4725 |
| 0.65 | 246.0 | 0.4737 | 0.2847 |
| 0.65 | 258.0 | -0.0991 | 0.2728 |
| 0.65 | 270.0 | 0.0653 | 0.2381 |
| 0.65 | 282.0 | -0.1295 | 0.3565 |
| 0.75 | 102.0 | 0.1461 | 0.4013 |
| 0.75 | 114.0 | -0.38 | 0.2885 |
| 0.75 | 126.0 | 0.1445 | 0.3266 |
| 0.75 | 234.0 | -0.2439 | 0.3374 |
| 0.75 | 246.0 | 0.1841 | 0.2686 |
| 0.75 | 258.0 | 0.3538 | 0.2102 |
| 0.75 | 270.0 | -0.0343 | 0.2663 |
| 0.75 | 282.0 | -0.1236 | 0.2599 |
| 0.75 | 294.0 | -0.4687 | 0.2701 |
| 0.85 | 102.0 | 0.3162 | 0.2861 |
| 0.85 | 114.0 | 0.3067 | 0.2481 |
| 0.85 | 126.0 | -0.1223 | 0.3056 |
| 0.85 | 138.0 | 0.0422 | 0.245 |
| 0.85 | 150.0 | 0.5642 | 0.2344 |
| 0.85 | 162.0 | -0.693 | 0.2639 |
| 0.85 | 174.0 | -0.1181 | 0.3767 |
| 0.85 | 222.0 | -0.2885 | 0.391 |
| 0.85 | 234.0 | 0.4871 | 0.2571 |
| 0.85 | 246.0 | 0.5326 | 0.2535 |
| 0.85 | 258.0 | -0.2596 | 0.2597 |
| 0.85 | 270.0 | -0.4794 | 0.2385 |
| 0.85 | 282.0 | 0.0644 | 0.2522 |
| 0.85 | 294.0 | -0.1222 | 0.2798 |
| 0.95 | 66.0 | -0.2782 | 0.332 |
| 0.95 | 78.0 | -0.3153 | 0.3659 |
| 0.95 | 90.0 | 0.4062 | 0.3 |
| 0.95 | 102.0 | 0.1954 | 0.4076 |
| 0.95 | 114.0 | 0.2071 | 0.3314 |
| 0.95 | 126.0 | -0.4379 | 0.3606 |
| 0.95 | 138.0 | 0.3104 | 0.2811 |
| 0.95 | 150.0 | -0.0663 | 0.2731 |
| 0.95 | 162.0 | 0.0169 | 0.4012 |
| 0.95 | 174.0 | 0.2845 | 0.2963 |
| 0.95 | 186.0 | -0.1022 | 0.4532 |
| 0.95 | 246.0 | 0.1934 | 0.3846 |
| 0.95 | 258.0 | 0.6038 | 0.2031 |
| 0.95 | 270.0 | -0.3936 | 0.3647 |
| 0.95 | 282.0 | -0.8814 | 0.1373 |
| 0.45 | 270.0 | 0.0474 | 0.2715 |
| 0.55 | 258.0 | 0.3149 | 0.2041 |
| 0.55 | 270.0 | 0.0588 | 0.1972 |
| 0.55 | 282.0 | 0.3838 | 0.2327 |
| 0.65 | 246.0 | 0.2193 | 0.2077 |
| 0.65 | 258.0 | -0.0123 | 0.1888 |
| 0.65 | 270.0 | -0.1403 | 0.1543 |
| 0.65 | 282.0 | 0.0178 | 0.237 |
| 0.75 | 102.0 | 0.149 | 0.2297 |
| 0.75 | 114.0 | -0.0069 | 0.221 |
| 0.75 | 126.0 | 0.2261 | 0.2331 |
| 0.75 | 138.0 | -0.2153 | 0.2431 |
| 0.75 | 150.0 | -0.2074 | 0.251 |
| 0.75 | 234.0 | 0.1938 | 0.2074 |
| 0.75 | 246.0 | -0.3612 | 0.1711 |
| 0.75 | 258.0 | -0.1807 | 0.1657 |
| 0.75 | 270.0 | 0.332 | 0.1526 |
| 0.75 | 282.0 | 0.3844 | 0.1951 |
| 0.75 | 294.0 | 0.2069 | 0.2532 |
| 0.85 | 102.0 | 0.2948 | 0.2062 |
| 0.85 | 114.0 | 0.433 | 0.1773 |
| 0.85 | 126.0 | 0.0415 | 0.1922 |
| 0.85 | 138.0 | 0.1086 | 0.1928 |
| 0.85 | 150.0 | 0.1342 | 0.2061 |
| 0.85 | 162.0 | -0.362 | 0.2337 |
| 0.85 | 174.0 | -0.1905 | 0.2425 |
| 0.85 | 234.0 | -0.1467 | 0.2032 |
| 0.85 | 246.0 | 0.0946 | 0.1714 |
| 0.85 | 258.0 | -0.1695 | 0.1469 |
| 0.85 | 270.0 | -0.2761 | 0.1804 |
| 0.85 | 282.0 | -0.1658 | 0.1724 |
| 0.85 | 294.0 | 0.228 | 0.2266 |
| 0.95 | 66.0 | -0.4612 | 0.2279 |
| 0.95 | 78.0 | -0.3265 | 0.2096 |
| 0.95 | 90.0 | -0.7211 | 0.2238 |
| 0.95 | 102.0 | 0.2028 | 0.2746 |
| 0.95 | 114.0 | 0.3039 | 0.2439 |
| 0.95 | 126.0 | -0.2611 | 0.2306 |
| 0.95 | 138.0 | -0.5541 | 0.2392 |
| 0.95 | 150.0 | -0.3395 | 0.2413 |
| 0.95 | 162.0 | -0.2444 | 0.2474 |
| 0.95 | 174.0 | 0.0536 | 0.2492 |
| 0.95 | 246.0 | -0.2307 | 0.2456 |
| 0.95 | 258.0 | -0.0494 | 0.1935 |
| 0.95 | 270.0 | 0.1024 | 0.2205 |
Experiment comment: