Measurement E151M2978
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1909 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9422 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 30.0 | -0.5717 | 0.2225 |
| 0.15 | 42.0 | 0.2597 | 0.2671 |
| 0.15 | 66.0 | -0.0904 | 0.2675 |
| 0.15 | 306.0 | -0.1878 | 0.2387 |
| 0.15 | 318.0 | -0.0193 | 0.2633 |
| 0.25 | 54.0 | 0.455 | 0.2236 |
| 0.25 | 66.0 | -0.1422 | 0.1767 |
| 0.25 | 78.0 | -0.1311 | 0.2254 |
| 0.25 | 282.0 | 0.2291 | 0.2487 |
| 0.25 | 294.0 | 0.0078 | 0.1673 |
| 0.25 | 306.0 | -0.0177 | 0.1993 |
| 0.25 | 318.0 | 0.0162 | 0.271 |
| 0.35 | 54.0 | 0.0166 | 0.2772 |
| 0.35 | 66.0 | -0.2588 | 0.1451 |
| 0.35 | 78.0 | 0.4087 | 0.1423 |
| 0.35 | 90.0 | -0.3501 | 0.2395 |
| 0.35 | 270.0 | -0.3665 | 0.2597 |
| 0.35 | 282.0 | 0.0091 | 0.1887 |
| 0.35 | 294.0 | 0.1887 | 0.1534 |
| 0.35 | 306.0 | 0.0989 | 0.1709 |
| 0.45 | 66.0 | -0.0559 | 0.1611 |
| 0.45 | 78.0 | 0.0198 | 0.1342 |
| 0.45 | 90.0 | -0.3453 | 0.1534 |
| 0.45 | 270.0 | 0.0414 | 0.1902 |
| 0.45 | 282.0 | -0.1881 | 0.1636 |
| 0.45 | 294.0 | -0.1574 | 0.1336 |
| 0.45 | 306.0 | -0.3278 | 0.177 |
| 0.55 | 66.0 | 0.2146 | 0.1769 |
| 0.55 | 78.0 | -0.3766 | 0.1299 |
| 0.55 | 90.0 | -0.1483 | 0.1479 |
| 0.55 | 102.0 | -0.0322 | 0.2465 |
| 0.55 | 234.0 | -0.0598 | 0.2636 |
| 0.55 | 246.0 | 0.4865 | 0.2383 |
| 0.55 | 258.0 | 0.1829 | 0.2051 |
| 0.55 | 270.0 | -0.127 | 0.1656 |
| 0.55 | 282.0 | -0.2062 | 0.161 |
| 0.55 | 294.0 | 0.0205 | 0.2123 |
| 0.65 | 66.0 | -0.0365 | 0.2359 |
| 0.65 | 78.0 | 0.1091 | 0.1568 |
| 0.65 | 90.0 | -0.0569 | 0.1942 |
| 0.65 | 102.0 | -0.1963 | 0.1507 |
| 0.65 | 114.0 | -0.0275 | 0.1771 |
| 0.65 | 126.0 | 0.2235 | 0.1585 |
| 0.65 | 138.0 | -0.1758 | 0.1855 |
| 0.65 | 222.0 | 0.4103 | 0.1972 |
| 0.65 | 234.0 | -0.1234 | 0.1689 |
| 0.65 | 246.0 | 0.0761 | 0.1544 |
| 0.65 | 258.0 | 0.0963 | 0.1291 |
| 0.65 | 270.0 | 0.0817 | 0.174 |
| 0.65 | 282.0 | -0.3057 | 0.1532 |
| 0.65 | 294.0 | 0.2402 | 0.2779 |
| 0.75 | 78.0 | 0.1064 | 0.205 |
| 0.75 | 90.0 | 0.0652 | 0.2204 |
| 0.75 | 102.0 | -0.1696 | 0.1423 |
| 0.75 | 114.0 | -0.1168 | 0.1199 |
| 0.75 | 126.0 | -0.061 | 0.142 |
| 0.75 | 138.0 | -0.1629 | 0.1559 |
| 0.75 | 150.0 | 0.1218 | 0.2076 |
| 0.75 | 162.0 | -0.2449 | 0.2206 |
| 0.75 | 210.0 | -0.0384 | 0.2137 |
| 0.75 | 222.0 | -0.1938 | 0.1553 |
| 0.75 | 234.0 | -0.1281 | 0.1449 |
| 0.75 | 246.0 | -0.3207 | 0.1292 |
| 0.75 | 258.0 | -0.0333 | 0.1453 |
| 0.75 | 270.0 | -0.1353 | 0.1476 |
| 0.75 | 282.0 | -0.0021 | 0.1981 |
| 0.85 | 102.0 | -0.0339 | 0.2061 |
| 0.85 | 114.0 | -0.3446 | 0.1335 |
| 0.85 | 126.0 | -0.0883 | 0.1268 |
| 0.85 | 138.0 | 0.1185 | 0.1378 |
| 0.85 | 150.0 | 0.2842 | 0.1821 |
| 0.85 | 162.0 | 0.4364 | 0.2058 |
| 0.85 | 174.0 | 0.2135 | 0.2721 |
| 0.85 | 186.0 | -0.0318 | 0.2554 |
| 0.85 | 198.0 | -0.773 | 0.1487 |
| 0.85 | 210.0 | -0.2468 | 0.2207 |
| 0.85 | 222.0 | 0.0945 | 0.1627 |
| 0.85 | 234.0 | 0.1442 | 0.1257 |
| 0.85 | 246.0 | -0.1168 | 0.1266 |
| 0.85 | 258.0 | -0.0685 | 0.1303 |
| 0.85 | 270.0 | -0.0117 | 0.1545 |
| 0.95 | 114.0 | 0.1697 | 0.2694 |
| 0.95 | 138.0 | 0.2476 | 0.2552 |
| 0.95 | 150.0 | 0.158 | 0.2263 |
| 0.95 | 198.0 | 0.5147 | 0.2452 |
| 0.95 | 210.0 | 0.42 | 0.2065 |
| 0.95 | 222.0 | -0.143 | 0.2134 |
| 0.95 | 234.0 | -0.2804 | 0.1898 |
| 0.95 | 246.0 | -0.1569 | 0.1868 |
| 0.95 | 258.0 | -0.0878 | 0.19 |
Experiment comment: