Measurement E151M2969
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5076 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9208 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.088 | 0.2314 |
| 0.25 | 306.0 | -0.3367 | 0.241 |
| 0.35 | 66.0 | 0.0376 | 0.2091 |
| 0.35 | 78.0 | -0.0315 | 0.2366 |
| 0.35 | 294.0 | 0.1579 | 0.2743 |
| 0.45 | 66.0 | 0.0627 | 0.236 |
| 0.45 | 78.0 | 0.2218 | 0.2202 |
| 0.45 | 294.0 | 0.5585 | 0.2379 |
| 0.55 | 66.0 | 0.5592 | 0.2106 |
| 0.55 | 270.0 | 0.0772 | 0.2594 |
| 0.65 | 90.0 | 0.342 | 0.2286 |
| 0.65 | 102.0 | -0.121 | 0.2164 |
| 0.65 | 114.0 | -0.3433 | 0.2258 |
| 0.65 | 258.0 | 0.5938 | 0.1778 |
| 0.65 | 270.0 | -0.0221 | 0.2005 |
| 0.65 | 282.0 | -0.0624 | 0.2096 |
| 0.75 | 78.0 | -0.4921 | 0.2095 |
| 0.75 | 90.0 | 0.2768 | 0.2027 |
| 0.75 | 102.0 | -0.0069 | 0.1733 |
| 0.75 | 114.0 | 0.0434 | 0.1927 |
| 0.75 | 234.0 | -0.5524 | 0.2236 |
| 0.75 | 246.0 | 0.0329 | 0.2344 |
| 0.75 | 258.0 | 0.2076 | 0.1676 |
| 0.75 | 270.0 | 0.0896 | 0.1812 |
| 0.75 | 282.0 | 0.3144 | 0.1696 |
| 0.75 | 294.0 | -0.3821 | 0.2333 |
| 0.85 | 78.0 | -0.2011 | 0.2668 |
| 0.85 | 90.0 | 0.1952 | 0.1807 |
| 0.85 | 102.0 | -0.1363 | 0.1655 |
| 0.85 | 114.0 | 0.027 | 0.1866 |
| 0.85 | 126.0 | 0.1024 | 0.183 |
| 0.85 | 138.0 | -0.4465 | 0.2045 |
| 0.85 | 210.0 | -0.2631 | 0.2715 |
| 0.85 | 222.0 | -0.3354 | 0.2496 |
| 0.85 | 234.0 | -0.0642 | 0.1907 |
| 0.85 | 246.0 | 0.2406 | 0.1988 |
| 0.85 | 258.0 | 0.0944 | 0.1853 |
| 0.85 | 270.0 | 0.2792 | 0.1473 |
| 0.85 | 282.0 | -0.1489 | 0.1585 |
| 0.85 | 294.0 | -0.1407 | 0.2108 |
| 0.95 | 90.0 | -0.4415 | 0.2668 |
| 0.95 | 102.0 | 0.0761 | 0.2115 |
| 0.95 | 114.0 | -0.1136 | 0.1898 |
| 0.95 | 126.0 | -0.1541 | 0.2034 |
| 0.95 | 138.0 | 0.2485 | 0.205 |
| 0.95 | 150.0 | 0.4225 | 0.2449 |
| 0.95 | 162.0 | -0.0661 | 0.283 |
| 0.95 | 210.0 | -0.444 | 0.2303 |
| 0.95 | 246.0 | -0.0126 | 0.2016 |
| 0.95 | 258.0 | 0.0123 | 0.1927 |
| 0.95 | 270.0 | -0.098 | 0.1954 |
| 0.95 | 282.0 | -0.0474 | 0.2009 |
| 0.95 | 294.0 | 0.0087 | 0.2636 |
Experiment comment: