Measurement E151M3293
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1451 | |
| Q2: | 0.101 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9005 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 282.0 | 0.2876 | 0.2299 |
| 0.25 | 294.0 | 0.0115 | 0.2279 |
| 0.35 | 66.0 | 0.02 | 0.2291 |
| 0.35 | 78.0 | -0.0089 | 0.2035 |
| 0.35 | 270.0 | 0.2815 | 0.2471 |
| 0.35 | 282.0 | 0.1142 | 0.1953 |
| 0.35 | 294.0 | 0.1324 | 0.229 |
| 0.45 | 66.0 | 0.1514 | 0.2408 |
| 0.45 | 78.0 | -0.04 | 0.2035 |
| 0.45 | 270.0 | -0.2077 | 0.2393 |
| 0.45 | 282.0 | -0.1302 | 0.1617 |
| 0.45 | 294.0 | 0.2826 | 0.1913 |
| 0.55 | 78.0 | 0.0305 | 0.2549 |
| 0.55 | 90.0 | -0.0988 | 0.255 |
| 0.55 | 102.0 | -0.2007 | 0.254 |
| 0.55 | 114.0 | -0.1483 | 0.242 |
| 0.55 | 126.0 | -0.2277 | 0.2497 |
| 0.55 | 258.0 | -0.0345 | 0.2499 |
| 0.55 | 270.0 | -0.7704 | 0.2071 |
| 0.55 | 282.0 | -0.2907 | 0.1728 |
| 0.65 | 66.0 | 0.2294 | 0.2119 |
| 0.65 | 102.0 | -0.2121 | 0.2195 |
| 0.65 | 114.0 | 0.1921 | 0.1995 |
| 0.65 | 126.0 | -0.034 | 0.1835 |
| 0.65 | 138.0 | -0.6297 | 0.2096 |
| 0.65 | 198.0 | 0.0403 | 0.2648 |
| 0.65 | 222.0 | -0.0422 | 0.2155 |
| 0.65 | 234.0 | 0.0279 | 0.2441 |
| 0.65 | 246.0 | 0.2938 | 0.2479 |
| 0.65 | 258.0 | -0.2005 | 0.2252 |
| 0.65 | 270.0 | -0.72 | 0.2098 |
| 0.65 | 294.0 | 0.0876 | 0.2071 |
| 0.75 | 90.0 | -0.1974 | 0.257 |
| 0.75 | 114.0 | -0.0375 | 0.1875 |
| 0.75 | 126.0 | -0.0177 | 0.2185 |
| 0.75 | 138.0 | -0.0263 | 0.2216 |
| 0.75 | 150.0 | 0.064 | 0.2575 |
| 0.75 | 198.0 | -0.1253 | 0.2475 |
| 0.75 | 210.0 | 0.4167 | 0.1875 |
| 0.75 | 222.0 | 0.4448 | 0.2075 |
| 0.75 | 234.0 | 0.1894 | 0.2065 |
| 0.75 | 246.0 | -0.5373 | 0.206 |
| 0.75 | 258.0 | -0.2628 | 0.2575 |
| 0.75 | 282.0 | -0.3068 | 0.2279 |
| 0.75 | 294.0 | -0.381 | 0.2131 |
| 0.85 | 90.0 | -0.4901 | 0.2009 |
| 0.85 | 114.0 | 0.2797 | 0.2205 |
| 0.85 | 198.0 | -0.1308 | 0.258 |
| 0.85 | 222.0 | 0.0397 | 0.2181 |
| 0.85 | 234.0 | -0.3483 | 0.1775 |
| 0.85 | 246.0 | -0.0177 | 0.1709 |
| 0.85 | 258.0 | -0.2643 | 0.1874 |
| 0.85 | 270.0 | 0.0707 | 0.2685 |
| 0.95 | 102.0 | 0.4771 | 0.2152 |
| 0.95 | 222.0 | 0.249 | 0.2312 |
| 0.95 | 234.0 | -0.0756 | 0.2486 |
| 0.95 | 246.0 | -0.1638 | 0.2303 |
| 0.95 | 258.0 | -0.1809 | 0.1898 |
| 0.15 | 66.0 | 0.0819 | 0.2427 |
| 0.15 | 294.0 | -0.2981 | 0.2456 |
| 0.25 | 66.0 | -0.1946 | 0.2096 |
| 0.25 | 78.0 | -0.28 | 0.233 |
| 0.25 | 294.0 | 0.3864 | 0.2012 |
| 0.35 | 66.0 | -0.2009 | 0.2397 |
| 0.35 | 78.0 | -0.2643 | 0.194 |
| 0.35 | 270.0 | -0.0911 | 0.235 |
| 0.35 | 282.0 | -0.1191 | 0.1943 |
| 0.35 | 294.0 | 0.1637 | 0.2239 |
| 0.45 | 66.0 | -0.154 | 0.2513 |
| 0.45 | 78.0 | -0.1992 | 0.2445 |
| 0.45 | 102.0 | -0.365 | 0.2198 |
| 0.45 | 270.0 | -0.0891 | 0.2066 |
| 0.45 | 282.0 | -0.3082 | 0.2095 |
| 0.45 | 294.0 | 0.1953 | 0.2082 |
| 0.55 | 66.0 | 0.1836 | 0.2491 |
| 0.55 | 78.0 | -0.2412 | 0.2218 |
| 0.55 | 102.0 | 0.1026 | 0.2496 |
| 0.55 | 114.0 | 0.357 | 0.233 |
| 0.55 | 126.0 | -0.0356 | 0.1969 |
| 0.55 | 246.0 | -0.1547 | 0.2262 |
| 0.55 | 270.0 | -0.2698 | 0.2499 |
| 0.55 | 282.0 | 0.0455 | 0.2074 |
| 0.55 | 306.0 | 0.3997 | 0.2413 |
| 0.65 | 66.0 | -0.3466 | 0.2389 |
| 0.65 | 102.0 | -0.0536 | 0.2077 |
| 0.65 | 114.0 | 0.3296 | 0.1809 |
| 0.65 | 126.0 | -0.0399 | 0.2161 |
| 0.65 | 138.0 | -0.0699 | 0.1872 |
| 0.65 | 210.0 | 0.1972 | 0.2287 |
| 0.65 | 222.0 | -0.2998 | 0.2207 |
| 0.65 | 234.0 | 0.3041 | 0.1953 |
| 0.65 | 246.0 | 0.0653 | 0.1833 |
| 0.65 | 270.0 | -0.0954 | 0.2212 |
| 0.65 | 294.0 | -0.2644 | 0.2334 |
| 0.75 | 102.0 | 0.3906 | 0.1806 |
| 0.75 | 114.0 | 0.0283 | 0.1723 |
| 0.75 | 126.0 | -0.0232 | 0.1912 |
| 0.75 | 138.0 | -0.2104 | 0.2175 |
| 0.75 | 150.0 | 0.2492 | 0.2221 |
| 0.75 | 210.0 | 0.5165 | 0.1854 |
| 0.75 | 222.0 | -0.2148 | 0.1725 |
| 0.75 | 234.0 | 0.1184 | 0.1905 |
| 0.75 | 246.0 | -0.3155 | 0.2042 |
| 0.75 | 258.0 | 0.0217 | 0.2368 |
| 0.75 | 282.0 | 0.0866 | 0.2393 |
| 0.75 | 294.0 | 0.0907 | 0.2142 |
| 0.85 | 78.0 | 0.4584 | 0.2259 |
| 0.85 | 90.0 | 0.0653 | 0.2011 |
| 0.85 | 102.0 | -0.0667 | 0.2123 |
| 0.85 | 114.0 | -0.2227 | 0.2327 |
| 0.85 | 126.0 | 0.3307 | 0.1896 |
| 0.85 | 138.0 | 0.1458 | 0.2284 |
| 0.85 | 198.0 | 0.538 | 0.1995 |
| 0.85 | 210.0 | 0.0633 | 0.2178 |
| 0.85 | 222.0 | 0.4434 | 0.208 |
| 0.85 | 234.0 | -0.1738 | 0.1761 |
| 0.85 | 246.0 | -0.2697 | 0.2219 |
| 0.85 | 258.0 | 0.1364 | 0.2137 |
| 0.85 | 270.0 | 0.2986 | 0.2251 |
| 0.95 | 102.0 | -0.6026 | 0.2108 |
| 0.95 | 222.0 | -0.0245 | 0.2323 |
| 0.95 | 234.0 | -0.1555 | 0.2021 |
| 0.95 | 246.0 | -0.2883 | 0.1991 |
| 0.95 | 258.0 | -0.0159 | 0.2438 |
Experiment comment: