Measurement E151M3328
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0519 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8728 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 270.0 | -0.2452 | 0.2325 |
| 0.45 | 282.0 | -0.2525 | 0.2422 |
| 0.55 | 114.0 | 0.1605 | 0.2239 |
| 0.55 | 126.0 | -0.0085 | 0.1986 |
| 0.55 | 138.0 | -0.098 | 0.2406 |
| 0.55 | 150.0 | 0.3597 | 0.2378 |
| 0.55 | 246.0 | -0.0566 | 0.257 |
| 0.55 | 258.0 | 0.0798 | 0.2661 |
| 0.55 | 270.0 | 0.239 | 0.207 |
| 0.55 | 282.0 | -0.109 | 0.2632 |
| 0.65 | 114.0 | 0.1931 | 0.2182 |
| 0.65 | 126.0 | 0.1735 | 0.2208 |
| 0.65 | 282.0 | -0.0283 | 0.2549 |
| 0.65 | 294.0 | -0.2816 | 0.2424 |
| 0.75 | 114.0 | 0.0205 | 0.2508 |
| 0.75 | 126.0 | -0.538 | 0.2192 |
| 0.75 | 138.0 | 0.097 | 0.2264 |
| 0.75 | 210.0 | 0.367 | 0.2359 |
| 0.75 | 222.0 | 0.3659 | 0.2049 |
| 0.75 | 234.0 | -0.3925 | 0.2301 |
| 0.75 | 270.0 | -0.0309 | 0.2133 |
| 0.75 | 282.0 | 0.2585 | 0.191 |
| 0.75 | 294.0 | -0.3768 | 0.2267 |
| 0.85 | 102.0 | -0.212 | 0.2186 |
| 0.85 | 114.0 | 0.1846 | 0.1858 |
| 0.85 | 126.0 | -0.4346 | 0.2141 |
| 0.85 | 210.0 | 0.1376 | 0.2402 |
| 0.85 | 222.0 | -0.2041 | 0.1947 |
| 0.85 | 234.0 | 0.2673 | 0.2487 |
| 0.35 | 78.0 | -0.3647 | 0.2356 |
| 0.35 | 270.0 | 0.3541 | 0.2452 |
| 0.45 | 78.0 | -0.1214 | 0.2282 |
| 0.45 | 90.0 | -0.317 | 0.2565 |
| 0.45 | 126.0 | 0.019 | 0.2466 |
| 0.45 | 138.0 | 0.5522 | 0.2334 |
| 0.45 | 258.0 | -0.1126 | 0.2359 |
| 0.45 | 270.0 | 0.1581 | 0.2473 |
| 0.45 | 282.0 | -0.0969 | 0.2094 |
| 0.55 | 90.0 | -0.2787 | 0.2648 |
| 0.55 | 114.0 | -0.273 | 0.2115 |
| 0.55 | 126.0 | -0.2481 | 0.2292 |
| 0.55 | 138.0 | -0.2062 | 0.2514 |
| 0.55 | 258.0 | -0.1119 | 0.2428 |
| 0.55 | 270.0 | 0.7309 | 0.1427 |
| 0.55 | 282.0 | -0.0077 | 0.2501 |
| 0.65 | 102.0 | -0.3808 | 0.2214 |
| 0.65 | 114.0 | 0.0145 | 0.2405 |
| 0.65 | 126.0 | 0.0038 | 0.2037 |
| 0.65 | 138.0 | 0.0868 | 0.21 |
| 0.65 | 198.0 | -0.0917 | 0.2563 |
| 0.65 | 210.0 | 0.1761 | 0.199 |
| 0.65 | 222.0 | -0.3756 | 0.241 |
| 0.65 | 234.0 | 0.2858 | 0.2441 |
| 0.65 | 246.0 | 0.065 | 0.26 |
| 0.65 | 294.0 | -0.3219 | 0.2137 |
| 0.75 | 66.0 | 0.0032 | 0.2564 |
| 0.75 | 126.0 | 0.2859 | 0.2089 |
| 0.75 | 138.0 | -0.1285 | 0.1965 |
| 0.75 | 198.0 | -0.3272 | 0.2438 |
| 0.75 | 210.0 | 0.3796 | 0.1897 |
| 0.75 | 222.0 | -0.06 | 0.2186 |
| 0.75 | 234.0 | 0.0761 | 0.2457 |
| 0.75 | 270.0 | 0.1281 | 0.1856 |
| 0.75 | 282.0 | 0.1145 | 0.1795 |
| 0.75 | 294.0 | -0.0025 | 0.2143 |
| 0.85 | 102.0 | 0.0469 | 0.1999 |
| 0.85 | 114.0 | -0.111 | 0.204 |
| 0.85 | 126.0 | 0.2504 | 0.2109 |
| 0.85 | 198.0 | -0.1244 | 0.2353 |
| 0.85 | 210.0 | -0.4538 | 0.2066 |
| 0.85 | 222.0 | 0.154 | 0.2309 |
| 0.85 | 234.0 | -0.1094 | 0.2158 |
| 0.95 | 234.0 | 0.0146 | 0.2613 |
Experiment comment: