Measurement E151M2701
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1377 | |
| Q2: | 0.0291 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.9147 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.2736 | 0.2847 |
| 0.15 | 42.0 | -0.378 | 0.1423 |
| 0.25 | 30.0 | -0.0254 | 0.3641 |
| 0.25 | 42.0 | -0.0112 | 0.163 |
| 0.25 | 54.0 | -0.4152 | 0.1792 |
| 0.35 | 30.0 | 0.4501 | 0.1899 |
| 0.35 | 42.0 | 0.4655 | 0.1619 |
| 0.35 | 54.0 | 0.2769 | 0.2064 |
| 0.45 | 30.0 | 0.0602 | 0.2186 |
| 0.55 | 234.0 | -0.3219 | 0.24 |
| 0.55 | 246.0 | 0.1032 | 0.179 |
| 0.55 | 258.0 | 0.0591 | 0.1647 |
| 0.55 | 270.0 | 0.032 | 0.2076 |
| 0.65 | 126.0 | -0.2489 | 0.2384 |
| 0.65 | 138.0 | 0.4815 | 0.1997 |
| 0.65 | 150.0 | 0.1267 | 0.2177 |
| 0.65 | 162.0 | 0.2918 | 0.2609 |
| 0.65 | 222.0 | -0.1438 | 0.2402 |
| 0.65 | 234.0 | -0.4022 | 0.172 |
| 0.65 | 246.0 | 0.0984 | 0.1513 |
| 0.65 | 258.0 | -0.0611 | 0.1533 |
| 0.65 | 270.0 | 0.0338 | 0.1674 |
| 0.65 | 282.0 | -0.0438 | 0.243 |
| 0.75 | 114.0 | 0.1487 | 0.2457 |
| 0.75 | 126.0 | -0.1299 | 0.1623 |
| 0.75 | 138.0 | 0.0318 | 0.1703 |
| 0.75 | 150.0 | -0.0974 | 0.1782 |
| 0.75 | 162.0 | -0.1774 | 0.2039 |
| 0.75 | 174.0 | -0.3036 | 0.2331 |
| 0.75 | 210.0 | 0.1688 | 0.2269 |
| 0.75 | 222.0 | -0.1595 | 0.1874 |
| 0.75 | 234.0 | -0.1148 | 0.1482 |
| 0.75 | 246.0 | -0.2206 | 0.1272 |
| 0.75 | 258.0 | 0.2419 | 0.1279 |
| 0.75 | 270.0 | -0.3161 | 0.1554 |
| 0.75 | 282.0 | 0.4063 | 0.2032 |
| 0.85 | 114.0 | 0.3189 | 0.2432 |
| 0.85 | 126.0 | 0.005 | 0.2113 |
| 0.85 | 138.0 | -0.0236 | 0.1789 |
| 0.85 | 150.0 | 0.0041 | 0.1737 |
| 0.85 | 162.0 | -0.165 | 0.1578 |
| 0.85 | 174.0 | 0.0967 | 0.1936 |
| 0.85 | 186.0 | 0.3497 | 0.2498 |
| 0.85 | 198.0 | 0.0426 | 0.2547 |
| 0.85 | 210.0 | 0.079 | 0.2037 |
| 0.85 | 222.0 | -0.1984 | 0.1876 |
| 0.85 | 234.0 | 0.1059 | 0.1643 |
| 0.85 | 246.0 | -0.1151 | 0.1505 |
| 0.85 | 258.0 | 0.1513 | 0.1321 |
| 0.85 | 270.0 | 0.0509 | 0.148 |
| 0.85 | 282.0 | 0.0299 | 0.2442 |
| 0.95 | 126.0 | 0.0515 | 0.2587 |
| 0.95 | 150.0 | 0.3444 | 0.258 |
| 0.95 | 234.0 | 0.3213 | 0.2621 |
| 0.95 | 246.0 | -0.1277 | 0.2211 |
| 0.95 | 258.0 | 0.1783 | 0.2828 |
| 0.45 | 270.0 | 0.7203 | 0.208 |
| 0.55 | 234.0 | -0.1714 | 0.3494 |
| 0.55 | 246.0 | 0.2721 | 0.2544 |
| 0.55 | 258.0 | -0.05 | 0.23 |
| 0.55 | 270.0 | -0.2396 | 0.2661 |
| 0.65 | 126.0 | -0.0847 | 0.3273 |
| 0.65 | 138.0 | 0.2024 | 0.3164 |
| 0.65 | 150.0 | 0.1077 | 0.3349 |
| 0.65 | 162.0 | 0.12 | 0.3097 |
| 0.65 | 210.0 | 0.1834 | 0.3815 |
| 0.65 | 222.0 | -0.4906 | 0.2727 |
| 0.65 | 234.0 | -0.0712 | 0.2313 |
| 0.65 | 246.0 | -0.1122 | 0.1948 |
| 0.65 | 258.0 | -0.0604 | 0.2385 |
| 0.65 | 270.0 | -0.3945 | 0.1871 |
| 0.65 | 282.0 | -0.5947 | 0.2225 |
| 0.75 | 114.0 | 0.2165 | 0.2925 |
| 0.75 | 126.0 | -0.0808 | 0.2831 |
| 0.75 | 138.0 | -0.3645 | 0.2124 |
| 0.75 | 150.0 | -0.0811 | 0.2479 |
| 0.75 | 162.0 | 0.3665 | 0.2628 |
| 0.75 | 174.0 | 0.4056 | 0.2862 |
| 0.75 | 186.0 | 0.06 | 0.338 |
| 0.75 | 198.0 | 0.0846 | 0.3965 |
| 0.75 | 210.0 | -0.3149 | 0.3877 |
| 0.75 | 222.0 | 0.2752 | 0.2812 |
| 0.75 | 234.0 | 0.1636 | 0.2096 |
| 0.75 | 246.0 | -0.171 | 0.2088 |
| 0.75 | 258.0 | -0.4536 | 0.1697 |
| 0.75 | 270.0 | -0.0294 | 0.2445 |
| 0.75 | 282.0 | 0.2023 | 0.2838 |
| 0.85 | 126.0 | -0.2496 | 0.297 |
| 0.85 | 138.0 | 0.2528 | 0.2458 |
| 0.85 | 150.0 | 0.1148 | 0.2394 |
| 0.85 | 162.0 | 0.3254 | 0.2306 |
| 0.85 | 174.0 | -0.0285 | 0.3005 |
| 0.85 | 186.0 | 0.1538 | 0.3265 |
| 0.85 | 198.0 | 0.0369 | 0.3504 |
| 0.85 | 210.0 | 0.3409 | 0.283 |
| 0.85 | 222.0 | -0.4305 | 0.2222 |
| 0.85 | 234.0 | 0.0457 | 0.207 |
| 0.85 | 246.0 | -0.1955 | 0.1899 |
| 0.85 | 258.0 | -0.244 | 0.1997 |
| 0.85 | 270.0 | -0.2247 | 0.2351 |
| 0.95 | 126.0 | -0.2756 | 0.3433 |
| 0.95 | 138.0 | 0.0083 | 0.3987 |
| 0.95 | 150.0 | -0.6781 | 0.2529 |
| 0.95 | 234.0 | 0.1124 | 0.322 |
| 0.95 | 246.0 | -0.3578 | 0.2964 |
| 0.95 | 258.0 | -0.0045 | 0.3799 |
Experiment comment: