Measurement E151M3318
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0817 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8819 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 30.0 | -0.0898 | 0.2571 |
| 0.35 | 66.0 | -0.0481 | 0.256 |
| 0.35 | 78.0 | 0.1897 | 0.2363 |
| 0.35 | 270.0 | 0.1919 | 0.1711 |
| 0.35 | 282.0 | -0.0984 | 0.1738 |
| 0.45 | 78.0 | 0.0557 | 0.2431 |
| 0.45 | 270.0 | 0.0396 | 0.2085 |
| 0.45 | 282.0 | -0.4153 | 0.2038 |
| 0.55 | 102.0 | 0.2327 | 0.2541 |
| 0.55 | 114.0 | 0.1709 | 0.2383 |
| 0.55 | 138.0 | -0.2264 | 0.2623 |
| 0.55 | 198.0 | 0.0566 | 0.2413 |
| 0.55 | 222.0 | 0.2713 | 0.2344 |
| 0.55 | 246.0 | 0.0748 | 0.2627 |
| 0.55 | 270.0 | 0.0043 | 0.1991 |
| 0.55 | 282.0 | 0.3798 | 0.198 |
| 0.65 | 66.0 | 0.3778 | 0.2327 |
| 0.65 | 102.0 | 0.5744 | 0.2168 |
| 0.65 | 114.0 | -0.1352 | 0.2001 |
| 0.65 | 126.0 | -0.0911 | 0.2129 |
| 0.65 | 198.0 | -0.0319 | 0.2521 |
| 0.65 | 210.0 | -0.2267 | 0.2361 |
| 0.65 | 222.0 | 0.5066 | 0.1786 |
| 0.65 | 234.0 | 0.2947 | 0.2383 |
| 0.65 | 246.0 | 0.0486 | 0.225 |
| 0.65 | 258.0 | -0.2552 | 0.2359 |
| 0.65 | 294.0 | 0.0366 | 0.2094 |
| 0.75 | 114.0 | -0.3271 | 0.2192 |
| 0.75 | 126.0 | 0.0014 | 0.2245 |
| 0.75 | 138.0 | -0.0916 | 0.1959 |
| 0.75 | 198.0 | -0.2236 | 0.2211 |
| 0.75 | 210.0 | 0.024 | 0.2584 |
| 0.75 | 222.0 | -0.0853 | 0.2071 |
| 0.75 | 234.0 | 0.1021 | 0.2327 |
| 0.75 | 282.0 | 0.1958 | 0.2044 |
| 0.75 | 294.0 | -0.393 | 0.207 |
| 0.85 | 90.0 | -0.2841 | 0.2559 |
| 0.85 | 102.0 | -0.2301 | 0.2344 |
| 0.85 | 114.0 | -0.0954 | 0.2305 |
| 0.85 | 126.0 | -0.1733 | 0.264 |
| 0.85 | 210.0 | -0.0983 | 0.2142 |
| 0.85 | 222.0 | -0.1428 | 0.192 |
| 0.85 | 234.0 | 0.1255 | 0.1844 |
| 0.85 | 246.0 | -0.3662 | 0.2483 |
| 0.85 | 258.0 | -0.0513 | 0.2561 |
| 0.95 | 210.0 | -0.2265 | 0.2479 |
| 0.95 | 234.0 | -0.4373 | 0.2201 |
| 0.95 | 258.0 | -0.1412 | 0.2548 |
| 0.35 | 294.0 | 0.3878 | 0.2328 |
| 0.45 | 66.0 | 0.1144 | 0.2323 |
| 0.45 | 78.0 | -0.4051 | 0.201 |
| 0.45 | 270.0 | -0.0968 | 0.2248 |
| 0.45 | 282.0 | 0.0632 | 0.2297 |
| 0.55 | 114.0 | -0.2784 | 0.2119 |
| 0.55 | 126.0 | 0.0707 | 0.2352 |
| 0.55 | 138.0 | -0.4069 | 0.2041 |
| 0.55 | 210.0 | 0.2561 | 0.2429 |
| 0.55 | 222.0 | -0.0174 | 0.2621 |
| 0.55 | 258.0 | -0.2466 | 0.2336 |
| 0.55 | 270.0 | -0.2716 | 0.1972 |
| 0.55 | 282.0 | 0.1548 | 0.2268 |
| 0.65 | 66.0 | 0.1231 | 0.2507 |
| 0.65 | 102.0 | -0.1608 | 0.2564 |
| 0.65 | 114.0 | -0.1131 | 0.2116 |
| 0.65 | 126.0 | -0.3034 | 0.1812 |
| 0.65 | 138.0 | -0.6924 | 0.1948 |
| 0.65 | 150.0 | -0.5077 | 0.2121 |
| 0.65 | 222.0 | 0.0931 | 0.2141 |
| 0.65 | 234.0 | -0.575 | 0.2004 |
| 0.65 | 246.0 | -0.1536 | 0.2227 |
| 0.65 | 258.0 | -0.2481 | 0.2327 |
| 0.65 | 282.0 | -0.381 | 0.2214 |
| 0.75 | 114.0 | -0.0854 | 0.2106 |
| 0.75 | 126.0 | -0.0183 | 0.1732 |
| 0.75 | 138.0 | 0.0042 | 0.2145 |
| 0.75 | 198.0 | 0.1254 | 0.2472 |
| 0.75 | 222.0 | -0.1954 | 0.2064 |
| 0.75 | 234.0 | -0.1823 | 0.1791 |
| 0.75 | 246.0 | -0.1965 | 0.2383 |
| 0.75 | 270.0 | 0.3173 | 0.2146 |
| 0.75 | 282.0 | -0.2739 | 0.2045 |
| 0.75 | 294.0 | -0.415 | 0.2238 |
| 0.85 | 102.0 | 0.105 | 0.2311 |
| 0.85 | 114.0 | 0.0195 | 0.2317 |
| 0.85 | 198.0 | -0.1852 | 0.2399 |
| 0.85 | 210.0 | -0.0217 | 0.2174 |
| 0.85 | 222.0 | -0.0767 | 0.1648 |
| 0.85 | 234.0 | -0.2127 | 0.1653 |
| 0.85 | 246.0 | -0.0414 | 0.217 |
| 0.85 | 258.0 | 0.062 | 0.2264 |
| 0.95 | 210.0 | -0.1202 | 0.2598 |
| 0.95 | 222.0 | 0.3261 | 0.2332 |
| 0.95 | 234.0 | -0.1454 | 0.2556 |
Experiment comment: