Measurement E151M2758
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0653 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8563 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 30.0 | 0.0398 | 0.3794 |
| 0.25 | 42.0 | -0.1856 | 0.1801 |
| 0.35 | 30.0 | 0.3489 | 0.2718 |
| 0.35 | 42.0 | 0.3213 | 0.1551 |
| 0.45 | 18.0 | -0.2539 | 0.1709 |
| 0.45 | 30.0 | -0.2438 | 0.1616 |
| 0.45 | 42.0 | -0.0036 | 0.1687 |
| 0.55 | 30.0 | -0.0831 | 0.1908 |
| 0.55 | 42.0 | 0.0908 | 0.2059 |
| 0.55 | 126.0 | 0.1526 | 0.2366 |
| 0.55 | 138.0 | 0.1934 | 0.2147 |
| 0.55 | 150.0 | -0.3465 | 0.2362 |
| 0.55 | 210.0 | -0.0903 | 0.2788 |
| 0.55 | 222.0 | 0.0343 | 0.2101 |
| 0.55 | 234.0 | 0.16 | 0.1931 |
| 0.55 | 246.0 | -0.2651 | 0.2151 |
| 0.55 | 258.0 | 0.1543 | 0.2736 |
| 0.65 | 114.0 | -0.4223 | 0.2379 |
| 0.65 | 126.0 | 0.2743 | 0.1928 |
| 0.65 | 138.0 | 0.2797 | 0.1766 |
| 0.65 | 150.0 | -0.1398 | 0.2 |
| 0.65 | 162.0 | 0.1958 | 0.2561 |
| 0.65 | 210.0 | -0.193 | 0.228 |
| 0.65 | 222.0 | 0.023 | 0.1799 |
| 0.65 | 234.0 | -0.0876 | 0.1581 |
| 0.65 | 246.0 | 0.1071 | 0.1563 |
| 0.65 | 258.0 | 0.451 | 0.1886 |
| 0.75 | 114.0 | -0.0238 | 0.2358 |
| 0.75 | 126.0 | 0.1964 | 0.2014 |
| 0.75 | 138.0 | 0.2117 | 0.1468 |
| 0.75 | 150.0 | 0.3697 | 0.211 |
| 0.75 | 162.0 | 0.084 | 0.2227 |
| 0.75 | 210.0 | 0.1563 | 0.2048 |
| 0.75 | 222.0 | 0.1511 | 0.2052 |
| 0.75 | 234.0 | 0.2946 | 0.1769 |
| 0.75 | 246.0 | 0.1568 | 0.1503 |
| 0.75 | 258.0 | 0.0728 | 0.2232 |
| 0.75 | 270.0 | -0.0669 | 0.2706 |
| 0.85 | 114.0 | 0.4393 | 0.2288 |
| 0.85 | 126.0 | -0.1803 | 0.2052 |
| 0.85 | 138.0 | 0.4288 | 0.2312 |
| 0.85 | 150.0 | 0.2323 | 0.2402 |
| 0.85 | 210.0 | -0.1625 | 0.2331 |
| 0.85 | 222.0 | -0.2095 | 0.1622 |
| 0.85 | 234.0 | -0.0148 | 0.1575 |
| 0.85 | 246.0 | 0.1649 | 0.1629 |
| 0.85 | 258.0 | -0.0395 | 0.1802 |
| 0.85 | 270.0 | 0.1477 | 0.2096 |
| 0.95 | 234.0 | 0.4202 | 0.2469 |
| 0.95 | 246.0 | -0.2121 | 0.2485 |
| 0.95 | 258.0 | -0.5444 | 0.219 |
| 0.45 | 246.0 | 0.4835 | 0.4306 |
| 0.55 | 30.0 | -0.5204 | 0.2947 |
| 0.55 | 42.0 | 0.1163 | 0.269 |
| 0.55 | 126.0 | 0.2247 | 0.307 |
| 0.55 | 138.0 | -0.2065 | 0.325 |
| 0.55 | 150.0 | 0.0072 | 0.4079 |
| 0.55 | 222.0 | -0.2396 | 0.2925 |
| 0.55 | 234.0 | -0.4131 | 0.2249 |
| 0.55 | 246.0 | -0.056 | 0.2643 |
| 0.55 | 258.0 | -0.2519 | 0.3369 |
| 0.65 | 126.0 | 0.3141 | 0.2331 |
| 0.65 | 138.0 | 0.2648 | 0.27 |
| 0.65 | 150.0 | -0.113 | 0.2689 |
| 0.65 | 162.0 | 0.3951 | 0.3464 |
| 0.65 | 174.0 | -0.1162 | 0.4163 |
| 0.65 | 210.0 | -0.0974 | 0.3357 |
| 0.65 | 222.0 | -0.2592 | 0.225 |
| 0.65 | 234.0 | -0.5113 | 0.1961 |
| 0.65 | 246.0 | -0.107 | 0.2406 |
| 0.65 | 258.0 | -0.1152 | 0.2973 |
| 0.75 | 126.0 | 0.1745 | 0.2663 |
| 0.75 | 138.0 | -0.0122 | 0.2308 |
| 0.75 | 150.0 | 0.1254 | 0.2966 |
| 0.75 | 162.0 | -0.2813 | 0.3304 |
| 0.75 | 210.0 | -0.3419 | 0.3414 |
| 0.75 | 222.0 | -0.2794 | 0.2257 |
| 0.75 | 234.0 | -0.1385 | 0.2046 |
| 0.75 | 246.0 | 0.051 | 0.2124 |
| 0.75 | 258.0 | -0.241 | 0.3128 |
| 0.85 | 114.0 | -0.2685 | 0.3765 |
| 0.85 | 126.0 | -0.4428 | 0.3333 |
| 0.85 | 138.0 | -0.3497 | 0.3525 |
| 0.85 | 150.0 | 0.4171 | 0.3381 |
| 0.85 | 210.0 | 0.092 | 0.3015 |
| 0.85 | 222.0 | 0.3356 | 0.2409 |
| 0.85 | 234.0 | -0.1835 | 0.2348 |
| 0.85 | 246.0 | 0.3557 | 0.2201 |
| 0.85 | 258.0 | -0.0204 | 0.2775 |
| 0.85 | 270.0 | 0.4769 | 0.293 |
| 0.95 | 126.0 | 0.0303 | 0.3758 |
| 0.95 | 222.0 | 0.6094 | 0.2316 |
| 0.95 | 234.0 | 0.258 | 0.2821 |
| 0.95 | 246.0 | -0.662 | 0.2615 |
Experiment comment: