Measurement E151M3239
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3372 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9311 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.0027 | 0.2435 |
| 0.25 | 294.0 | -0.0149 | 0.1768 |
| 0.35 | 66.0 | -0.2937 | 0.2391 |
| 0.35 | 78.0 | -0.5243 | 0.2229 |
| 0.45 | 66.0 | 0.0627 | 0.2286 |
| 0.45 | 294.0 | -0.093 | 0.2452 |
| 0.55 | 66.0 | 0.0674 | 0.2585 |
| 0.55 | 270.0 | -0.0022 | 0.2603 |
| 0.55 | 282.0 | -0.4636 | 0.2393 |
| 0.65 | 102.0 | 0.0066 | 0.2017 |
| 0.65 | 114.0 | 0.1595 | 0.225 |
| 0.65 | 126.0 | 0.0987 | 0.2658 |
| 0.65 | 246.0 | 0.0381 | 0.2395 |
| 0.65 | 258.0 | 0.233 | 0.2472 |
| 0.65 | 270.0 | 0.2105 | 0.2087 |
| 0.75 | 90.0 | 0.2461 | 0.2112 |
| 0.75 | 102.0 | 0.0974 | 0.2102 |
| 0.75 | 114.0 | -0.1452 | 0.2142 |
| 0.75 | 126.0 | -0.2915 | 0.1919 |
| 0.75 | 222.0 | 0.6229 | 0.2014 |
| 0.75 | 234.0 | 0.0667 | 0.1977 |
| 0.75 | 246.0 | -0.1604 | 0.2178 |
| 0.75 | 258.0 | 0.1063 | 0.1736 |
| 0.75 | 270.0 | 0.132 | 0.25 |
| 0.75 | 282.0 | 0.0108 | 0.2441 |
| 0.85 | 90.0 | 0.329 | 0.2228 |
| 0.85 | 102.0 | 0.1259 | 0.1943 |
| 0.85 | 114.0 | 0.1117 | 0.1926 |
| 0.85 | 126.0 | 0.0363 | 0.1799 |
| 0.85 | 138.0 | -0.1482 | 0.2252 |
| 0.85 | 210.0 | -0.5628 | 0.2215 |
| 0.85 | 222.0 | 0.0378 | 0.2181 |
| 0.85 | 234.0 | -0.2232 | 0.2106 |
| 0.85 | 246.0 | -0.131 | 0.1932 |
| 0.85 | 258.0 | 0.1062 | 0.1899 |
| 0.85 | 270.0 | 0.0251 | 0.1715 |
| 0.85 | 282.0 | 0.1761 | 0.2143 |
| 0.85 | 294.0 | -0.0125 | 0.2535 |
| 0.95 | 138.0 | -0.3781 | 0.2322 |
| 0.95 | 222.0 | 0.3844 | 0.2424 |
| 0.95 | 234.0 | -0.1409 | 0.2443 |
| 0.95 | 246.0 | 0.1058 | 0.2224 |
| 0.95 | 258.0 | 0.2777 | 0.206 |
| 0.95 | 270.0 | -0.0431 | 0.2056 |
| 0.95 | 282.0 | -0.2305 | 0.1926 |
| 0.35 | 282.0 | -0.3829 | 0.2509 |
| 0.35 | 294.0 | -0.2435 | 0.2111 |
| 0.45 | 66.0 | -0.3508 | 0.2357 |
| 0.45 | 282.0 | 0.2298 | 0.2392 |
| 0.65 | 102.0 | -0.0657 | 0.2188 |
| 0.65 | 246.0 | 0.5158 | 0.2302 |
| 0.65 | 258.0 | 0.2904 | 0.2279 |
| 0.65 | 270.0 | -0.0101 | 0.2528 |
| 0.75 | 90.0 | 0.248 | 0.2312 |
| 0.75 | 102.0 | 0.1284 | 0.1831 |
| 0.75 | 114.0 | -0.0395 | 0.2114 |
| 0.75 | 126.0 | 0.1074 | 0.2361 |
| 0.75 | 246.0 | -0.2969 | 0.2099 |
| 0.75 | 258.0 | 0.1774 | 0.1977 |
| 0.75 | 270.0 | 0.1822 | 0.1998 |
| 0.85 | 78.0 | 0.7445 | 0.1995 |
| 0.85 | 102.0 | -0.139 | 0.1948 |
| 0.85 | 114.0 | 0.0691 | 0.1894 |
| 0.85 | 126.0 | 0.1412 | 0.2448 |
| 0.85 | 138.0 | 0.0329 | 0.243 |
| 0.85 | 222.0 | -0.0544 | 0.2243 |
| 0.85 | 234.0 | 0.3402 | 0.2415 |
| 0.85 | 246.0 | 0.1595 | 0.2032 |
| 0.85 | 258.0 | -0.0076 | 0.2021 |
| 0.85 | 270.0 | -0.2217 | 0.1664 |
| 0.85 | 282.0 | -0.202 | 0.208 |
| 0.95 | 126.0 | 0.1827 | 0.2565 |
| 0.95 | 138.0 | -0.1701 | 0.2594 |
| 0.95 | 246.0 | 0.0933 | 0.2391 |
| 0.95 | 258.0 | -0.2855 | 0.2262 |
| 0.95 | 270.0 | -0.018 | 0.1983 |
| 0.95 | 282.0 | -0.1363 | 0.2446 |
Experiment comment: