Measurement E151M3438
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5712 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9555 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.1307 | 0.2184 |
| 0.05 | 66.0 | 0.2912 | 0.251 |
| 0.05 | 294.0 | 0.2905 | 0.2581 |
| 0.05 | 306.0 | 0.2139 | 0.2125 |
| 0.15 | 54.0 | 0.0257 | 0.2015 |
| 0.15 | 66.0 | 0.0276 | 0.194 |
| 0.15 | 294.0 | 0.38 | 0.2263 |
| 0.15 | 306.0 | 0.0624 | 0.2024 |
| 0.25 | 54.0 | -0.0256 | 0.211 |
| 0.25 | 66.0 | -0.1437 | 0.2514 |
| 0.25 | 78.0 | -0.3158 | 0.2375 |
| 0.25 | 294.0 | 0.1282 | 0.1944 |
| 0.25 | 306.0 | -0.027 | 0.2347 |
| 0.35 | 54.0 | 0.1114 | 0.2454 |
| 0.35 | 66.0 | 0.0901 | 0.2069 |
| 0.35 | 78.0 | 0.3848 | 0.1966 |
| 0.35 | 282.0 | 0.1866 | 0.2302 |
| 0.35 | 294.0 | 0.0024 | 0.1976 |
| 0.45 | 54.0 | -0.0421 | 0.2403 |
| 0.45 | 66.0 | 0.1174 | 0.2267 |
| 0.45 | 78.0 | -0.004 | 0.2832 |
| 0.45 | 282.0 | 0.013 | 0.2407 |
| 0.45 | 294.0 | -0.3942 | 0.2395 |
| 0.55 | 66.0 | -0.2041 | 0.2468 |
| 0.55 | 78.0 | -0.0616 | 0.2158 |
| 0.55 | 90.0 | 0.0186 | 0.1967 |
| 0.55 | 102.0 | 0.0029 | 0.2178 |
| 0.55 | 270.0 | 0.1085 | 0.2277 |
| 0.55 | 282.0 | -0.1309 | 0.2222 |
| 0.55 | 294.0 | 0.0375 | 0.2235 |
| 0.65 | 66.0 | -0.6014 | 0.1798 |
| 0.65 | 78.0 | 0.3307 | 0.1414 |
| 0.65 | 90.0 | 0.1181 | 0.1374 |
| 0.65 | 102.0 | -0.2209 | 0.1577 |
| 0.65 | 114.0 | 0.4794 | 0.1904 |
| 0.65 | 258.0 | -0.1023 | 0.147 |
| 0.65 | 270.0 | -0.1734 | 0.1383 |
| 0.65 | 282.0 | 0.105 | 0.157 |
| 0.65 | 294.0 | 0.2862 | 0.2444 |
| 0.75 | 54.0 | -0.0905 | 0.219 |
| 0.75 | 66.0 | 0.3499 | 0.182 |
| 0.75 | 78.0 | 0.0631 | 0.1375 |
| 0.75 | 90.0 | 0.0311 | 0.1345 |
| 0.75 | 102.0 | -0.0512 | 0.1378 |
| 0.75 | 114.0 | 0.2254 | 0.1382 |
| 0.75 | 126.0 | -0.1599 | 0.2103 |
| 0.75 | 234.0 | 0.0123 | 0.2071 |
| 0.75 | 246.0 | 0.3225 | 0.154 |
| 0.75 | 258.0 | -0.1974 | 0.1332 |
| 0.75 | 270.0 | -0.068 | 0.1271 |
| 0.75 | 282.0 | 0.0086 | 0.1205 |
| 0.75 | 294.0 | -0.1288 | 0.1636 |
| 0.75 | 306.0 | 0.208 | 0.2035 |
| 0.85 | 54.0 | 0.1925 | 0.1648 |
| 0.85 | 66.0 | 0.3045 | 0.2022 |
| 0.85 | 78.0 | -0.1849 | 0.1265 |
| 0.85 | 90.0 | -0.0548 | 0.1106 |
| 0.85 | 102.0 | -0.1739 | 0.1322 |
| 0.85 | 114.0 | -0.2646 | 0.1284 |
| 0.85 | 126.0 | 0.0926 | 0.1673 |
| 0.85 | 138.0 | -0.009 | 0.1713 |
| 0.85 | 198.0 | -0.0627 | 0.2188 |
| 0.85 | 210.0 | -0.0539 | 0.2238 |
| 0.85 | 222.0 | 0.0402 | 0.1398 |
| 0.85 | 234.0 | -0.1657 | 0.1545 |
| 0.85 | 246.0 | -0.2137 | 0.1322 |
| 0.85 | 258.0 | 0.1955 | 0.128 |
| 0.85 | 270.0 | 0.0433 | 0.1248 |
| 0.85 | 282.0 | -0.0607 | 0.1404 |
| 0.85 | 294.0 | 0.0015 | 0.1203 |
| 0.85 | 306.0 | 0.1566 | 0.1283 |
| 0.85 | 318.0 | -0.1636 | 0.2547 |
| 0.95 | 42.0 | -0.2556 | 0.2462 |
| 0.95 | 54.0 | 0.3391 | 0.2333 |
| 0.95 | 78.0 | 0.1323 | 0.1612 |
| 0.95 | 90.0 | 0.1289 | 0.1692 |
| 0.95 | 102.0 | -0.1286 | 0.1569 |
| 0.95 | 114.0 | 0.2344 | 0.1692 |
| 0.95 | 126.0 | -0.1744 | 0.195 |
| 0.95 | 138.0 | 0.057 | 0.2109 |
| 0.95 | 150.0 | 0.1609 | 0.2308 |
| 0.95 | 162.0 | 0.1602 | 0.2415 |
| 0.95 | 174.0 | 0.578 | 0.2286 |
| 0.95 | 186.0 | -0.4803 | 0.2425 |
| 0.95 | 198.0 | 0.2367 | 0.1975 |
| 0.95 | 210.0 | 0.1594 | 0.1947 |
| 0.95 | 222.0 | 0.0892 | 0.1772 |
| 0.95 | 234.0 | 0.2889 | 0.1611 |
| 0.95 | 246.0 | -0.0213 | 0.1691 |
| 0.95 | 258.0 | 0.0555 | 0.1406 |
| 0.95 | 270.0 | 0.3243 | 0.1461 |
| 0.95 | 282.0 | 0.2119 | 0.1536 |
| 0.95 | 294.0 | -0.1091 | 0.1404 |
| 0.95 | 306.0 | -0.3316 | 0.144 |
| 0.95 | 318.0 | 0.1381 | 0.1632 |
| 0.95 | 330.0 | -0.0332 | 0.187 |
Experiment comment: