Measurement E151M3188
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5781 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.962 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 66.0 | -0.2027 | 0.1987 |
| 0.35 | 78.0 | 0.0832 | 0.21 |
| 0.45 | 66.0 | 0.2092 | 0.2213 |
| 0.45 | 78.0 | -0.148 | 0.2001 |
| 0.55 | 66.0 | -0.0781 | 0.2324 |
| 0.55 | 78.0 | -0.0982 | 0.234 |
| 0.55 | 270.0 | 0.1024 | 0.2012 |
| 0.55 | 282.0 | -0.1563 | 0.2214 |
| 0.65 | 258.0 | 0.0226 | 0.2011 |
| 0.65 | 270.0 | -0.1291 | 0.1731 |
| 0.65 | 282.0 | 0.0084 | 0.2016 |
| 0.75 | 90.0 | 0.0496 | 0.2237 |
| 0.75 | 102.0 | -0.0595 | 0.2175 |
| 0.75 | 114.0 | -0.0218 | 0.2383 |
| 0.75 | 246.0 | -0.3377 | 0.2332 |
| 0.75 | 258.0 | -0.005 | 0.1782 |
| 0.75 | 270.0 | -0.0098 | 0.1669 |
| 0.75 | 282.0 | 0.2757 | 0.1732 |
| 0.85 | 90.0 | 0.3615 | 0.2134 |
| 0.85 | 102.0 | 0.2469 | 0.1575 |
| 0.85 | 114.0 | 0.3165 | 0.1605 |
| 0.85 | 126.0 | -0.3027 | 0.224 |
| 0.85 | 138.0 | 0.5301 | 0.1986 |
| 0.85 | 234.0 | 0.5773 | 0.209 |
| 0.85 | 246.0 | -0.0094 | 0.2265 |
| 0.85 | 258.0 | -0.2341 | 0.191 |
| 0.85 | 270.0 | 0.0205 | 0.1691 |
| 0.85 | 282.0 | 0.1266 | 0.191 |
| 0.95 | 90.0 | 0.0854 | 0.2026 |
| 0.95 | 102.0 | 0.1587 | 0.1832 |
| 0.95 | 114.0 | 0.0818 | 0.1902 |
| 0.95 | 126.0 | 0.1139 | 0.1944 |
| 0.95 | 138.0 | -0.015 | 0.2308 |
| 0.95 | 150.0 | -0.148 | 0.229 |
| 0.95 | 162.0 | 0.0184 | 0.2388 |
| 0.95 | 174.0 | 0.1575 | 0.2388 |
| 0.95 | 258.0 | 0.1776 | 0.2382 |
| 0.25 | 66.0 | -0.0588 | 0.2387 |
| 0.35 | 66.0 | -0.1897 | 0.2353 |
| 0.35 | 78.0 | 0.1046 | 0.2462 |
| 0.45 | 66.0 | 0.0422 | 0.2376 |
| 0.45 | 78.0 | 0.089 | 0.1926 |
| 0.55 | 66.0 | -0.021 | 0.2521 |
| 0.55 | 78.0 | -0.0948 | 0.2359 |
| 0.55 | 270.0 | 0.1795 | 0.2364 |
| 0.55 | 282.0 | -0.1499 | 0.2306 |
| 0.65 | 258.0 | 0.0757 | 0.2113 |
| 0.65 | 270.0 | -0.3269 | 0.1768 |
| 0.65 | 282.0 | -0.3157 | 0.2329 |
| 0.75 | 90.0 | 0.1628 | 0.2364 |
| 0.75 | 102.0 | 0.0129 | 0.2628 |
| 0.75 | 126.0 | -0.0181 | 0.2543 |
| 0.75 | 246.0 | 0.3914 | 0.2299 |
| 0.75 | 258.0 | -0.497 | 0.209 |
| 0.75 | 270.0 | -0.0234 | 0.1881 |
| 0.75 | 282.0 | 0.1546 | 0.1915 |
| 0.85 | 90.0 | -0.0649 | 0.2553 |
| 0.85 | 102.0 | -0.3015 | 0.1772 |
| 0.85 | 114.0 | 0.015 | 0.189 |
| 0.85 | 126.0 | 0.2484 | 0.1985 |
| 0.85 | 234.0 | -0.4726 | 0.2168 |
| 0.85 | 246.0 | 0.1454 | 0.2327 |
| 0.85 | 258.0 | 0.3356 | 0.1699 |
| 0.85 | 270.0 | 0.1153 | 0.1846 |
| 0.85 | 282.0 | 0.2203 | 0.2165 |
| 0.95 | 102.0 | -0.123 | 0.2359 |
| 0.95 | 114.0 | 0.0772 | 0.2401 |
| 0.95 | 126.0 | -0.1713 | 0.2302 |
| 0.95 | 138.0 | 0.1266 | 0.2257 |
| 0.95 | 150.0 | -0.063 | 0.2367 |
| 0.95 | 246.0 | -0.1445 | 0.2604 |
| 0.95 | 270.0 | -0.2858 | 0.2529 |
Experiment comment: