Measurement E151M3423
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4728 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.971 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.573 | 0.2279 |
| 0.05 | 306.0 | 0.103 | 0.2426 |
| 0.15 | 54.0 | -0.0719 | 0.2784 |
| 0.15 | 66.0 | -0.4179 | 0.185 |
| 0.15 | 294.0 | 0.1093 | 0.2388 |
| 0.15 | 306.0 | -0.0187 | 0.1786 |
| 0.15 | 318.0 | -0.0541 | 0.2668 |
| 0.25 | 54.0 | 0.0817 | 0.2456 |
| 0.25 | 66.0 | 0.1445 | 0.155 |
| 0.25 | 78.0 | 0.2014 | 0.274 |
| 0.25 | 294.0 | -0.0481 | 0.2185 |
| 0.25 | 306.0 | -0.0185 | 0.2005 |
| 0.35 | 54.0 | 0.1419 | 0.2744 |
| 0.35 | 66.0 | -0.0219 | 0.16 |
| 0.35 | 78.0 | -0.2376 | 0.184 |
| 0.35 | 282.0 | 0.357 | 0.2295 |
| 0.35 | 294.0 | 0.2788 | 0.1798 |
| 0.35 | 306.0 | -0.0158 | 0.2511 |
| 0.45 | 54.0 | 0.6367 | 0.1953 |
| 0.45 | 66.0 | 0.098 | 0.1573 |
| 0.45 | 78.0 | 0.4433 | 0.1745 |
| 0.45 | 282.0 | 0.2893 | 0.2318 |
| 0.45 | 294.0 | -0.3664 | 0.1754 |
| 0.55 | 66.0 | -0.0024 | 0.2319 |
| 0.55 | 78.0 | 0.1763 | 0.2387 |
| 0.55 | 90.0 | 0.2468 | 0.2351 |
| 0.55 | 270.0 | -0.2664 | 0.2022 |
| 0.55 | 282.0 | 0.2046 | 0.176 |
| 0.55 | 294.0 | 0.095 | 0.2305 |
| 0.65 | 66.0 | -0.3921 | 0.25 |
| 0.65 | 78.0 | 0.0052 | 0.2088 |
| 0.65 | 90.0 | -0.2071 | 0.1568 |
| 0.65 | 102.0 | -0.1522 | 0.1481 |
| 0.65 | 114.0 | 0.237 | 0.2053 |
| 0.65 | 258.0 | -0.2107 | 0.1779 |
| 0.65 | 270.0 | -0.1717 | 0.1416 |
| 0.65 | 282.0 | 0.0585 | 0.1639 |
| 0.65 | 294.0 | 0.453 | 0.2109 |
| 0.75 | 78.0 | 0.0593 | 0.1453 |
| 0.75 | 90.0 | 0.0632 | 0.1207 |
| 0.75 | 102.0 | -0.0934 | 0.1268 |
| 0.75 | 114.0 | 0.0616 | 0.1394 |
| 0.75 | 126.0 | -0.2869 | 0.1843 |
| 0.75 | 234.0 | 0.2622 | 0.1963 |
| 0.75 | 246.0 | 0.0833 | 0.146 |
| 0.75 | 258.0 | -0.0724 | 0.1192 |
| 0.75 | 270.0 | 0.2132 | 0.1153 |
| 0.75 | 282.0 | 0.151 | 0.1375 |
| 0.75 | 294.0 | -0.0662 | 0.1705 |
| 0.85 | 78.0 | 0.2767 | 0.1534 |
| 0.85 | 90.0 | 0.1181 | 0.1205 |
| 0.85 | 102.0 | 0.0958 | 0.1117 |
| 0.85 | 114.0 | 0.0399 | 0.1259 |
| 0.85 | 126.0 | 0.0438 | 0.1518 |
| 0.85 | 138.0 | 0.0853 | 0.149 |
| 0.85 | 150.0 | -0.2751 | 0.2183 |
| 0.85 | 198.0 | 0.1447 | 0.2488 |
| 0.85 | 210.0 | -0.4676 | 0.2214 |
| 0.85 | 222.0 | -0.2831 | 0.1833 |
| 0.85 | 234.0 | 0.113 | 0.1489 |
| 0.85 | 246.0 | 0.0007 | 0.13 |
| 0.85 | 258.0 | -0.0433 | 0.1159 |
| 0.85 | 270.0 | -0.0617 | 0.1231 |
| 0.85 | 282.0 | -0.1719 | 0.1215 |
| 0.85 | 294.0 | 0.1698 | 0.1205 |
| 0.85 | 306.0 | -0.4 | 0.2323 |
| 0.95 | 54.0 | 0.4537 | 0.2566 |
| 0.95 | 78.0 | -0.0598 | 0.2116 |
| 0.95 | 90.0 | -0.1226 | 0.1568 |
| 0.95 | 102.0 | -0.266 | 0.1442 |
| 0.95 | 114.0 | 0.3337 | 0.1669 |
| 0.95 | 126.0 | 0.1475 | 0.1632 |
| 0.95 | 138.0 | -0.2839 | 0.1587 |
| 0.95 | 150.0 | 0.165 | 0.1798 |
| 0.95 | 162.0 | 0.2196 | 0.2073 |
| 0.95 | 174.0 | 0.0527 | 0.2126 |
| 0.95 | 186.0 | -0.0578 | 0.2419 |
| 0.95 | 210.0 | 0.0604 | 0.2099 |
| 0.95 | 222.0 | -0.0653 | 0.1693 |
| 0.95 | 234.0 | -0.1082 | 0.1587 |
| 0.95 | 246.0 | 0.0542 | 0.1353 |
| 0.95 | 258.0 | 0.0547 | 0.1436 |
| 0.95 | 270.0 | -0.1651 | 0.1252 |
| 0.95 | 282.0 | 0.0389 | 0.1293 |
| 0.95 | 294.0 | -0.0714 | 0.1501 |
| 0.95 | 306.0 | 0.2104 | 0.2306 |
Experiment comment: