Measurement E151M2026
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1408 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9416 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -0.5441 | 0.6188 |
| 0.25 | 66.0 | -1.0206 | 0.4314 |
| 0.25 | 78.0 | -0.1383 | 0.6477 |
| 0.25 | 282.0 | 0.3413 | 0.7289 |
| 0.25 | 294.0 | 0.5737 | 0.47 |
| 0.25 | 306.0 | 0.0006 | 0.5564 |
| 0.35 | 66.0 | -0.6165 | 0.3823 |
| 0.35 | 78.0 | 0.0227 | 0.4123 |
| 0.35 | 270.0 | -0.3182 | 0.5609 |
| 0.35 | 282.0 | -0.4151 | 0.3772 |
| 0.35 | 294.0 | -0.0943 | 0.3934 |
| 0.35 | 306.0 | 1.126 | 0.492 |
| 0.45 | 66.0 | 0.3207 | 0.3839 |
| 0.45 | 78.0 | 0.1603 | 0.3697 |
| 0.45 | 90.0 | -0.1028 | 0.5366 |
| 0.45 | 270.0 | -0.109 | 0.4351 |
| 0.45 | 282.0 | 0.3216 | 0.3768 |
| 0.45 | 294.0 | 0.0065 | 0.3282 |
| 0.45 | 306.0 | -0.3212 | 0.5045 |
| 0.55 | 66.0 | 0.5096 | 0.4625 |
| 0.55 | 78.0 | -0.075 | 0.4327 |
| 0.55 | 90.0 | 0.2458 | 0.5208 |
| 0.55 | 102.0 | -0.8995 | 0.5709 |
| 0.55 | 114.0 | -0.6307 | 0.5696 |
| 0.55 | 126.0 | -0.7238 | 0.6264 |
| 0.55 | 234.0 | -0.5569 | 0.6982 |
| 0.55 | 246.0 | -0.7272 | 0.8057 |
| 0.55 | 258.0 | 0.0954 | 0.5123 |
| 0.55 | 270.0 | 1.1091 | 0.4381 |
| 0.55 | 282.0 | 0.1131 | 0.3892 |
| 0.55 | 294.0 | 1.1465 | 0.4179 |
| 0.65 | 66.0 | 0.7043 | 0.555 |
| 0.65 | 78.0 | -0.3177 | 0.5018 |
| 0.65 | 90.0 | -0.7872 | 0.5275 |
| 0.65 | 102.0 | 0.5547 | 0.5456 |
| 0.65 | 114.0 | 0.011 | 0.4679 |
| 0.65 | 126.0 | 0.1604 | 0.4468 |
| 0.65 | 138.0 | 1.1984 | 0.5797 |
| 0.65 | 150.0 | -0.4058 | 0.7445 |
| 0.65 | 198.0 | 1.0011 | 0.913 |
| 0.65 | 210.0 | 0.4253 | 0.6514 |
| 0.65 | 222.0 | -0.6139 | 0.6022 |
| 0.65 | 234.0 | -0.0272 | 0.4535 |
| 0.65 | 246.0 | 0.4609 | 0.4977 |
| 0.65 | 258.0 | 0.2601 | 0.5114 |
| 0.65 | 270.0 | -0.5047 | 0.4708 |
| 0.65 | 282.0 | -0.4812 | 0.5869 |
| 0.65 | 294.0 | -0.8404 | 0.5024 |
| 0.75 | 90.0 | 0.4412 | 0.892 |
| 0.75 | 102.0 | -0.2719 | 0.5965 |
| 0.75 | 114.0 | -0.1836 | 0.4657 |
| 0.75 | 126.0 | 0.5904 | 0.6041 |
| 0.75 | 138.0 | 0.5417 | 0.702 |
| 0.75 | 150.0 | 1.2442 | 0.6715 |
| 0.75 | 210.0 | 0.7114 | 0.6505 |
| 0.75 | 222.0 | -1.4233 | 0.5668 |
| 0.75 | 234.0 | 0.7812 | 0.5809 |
| 0.75 | 246.0 | 0.4006 | 0.5229 |
| 0.75 | 258.0 | -0.7371 | 0.5948 |
| 0.75 | 270.0 | 0.3716 | 0.6903 |
| 0.75 | 282.0 | -1.206 | 0.7993 |
| 0.75 | 294.0 | 0.3202 | 0.7018 |
| 0.85 | 90.0 | 0.8701 | 0.7928 |
| 0.85 | 102.0 | 2.1587 | 0.6954 |
| 0.85 | 114.0 | -0.2724 | 0.714 |
| 0.85 | 126.0 | 0.2499 | 0.609 |
| 0.85 | 138.0 | 0.2593 | 0.7215 |
| 0.85 | 150.0 | -1.2461 | 1.003 |
| 0.85 | 198.0 | 0.6678 | 1.0487 |
| 0.85 | 210.0 | -0.5486 | 0.8822 |
| 0.85 | 222.0 | 0.195 | 0.6662 |
| 0.85 | 234.0 | 0.2193 | 0.5207 |
| 0.85 | 246.0 | -0.5242 | 0.5423 |
| 0.85 | 258.0 | -0.4091 | 0.6662 |
| 0.85 | 270.0 | 0.127 | 0.6604 |
| 0.95 | 210.0 | -0.2606 | 1.6469 |
| 0.95 | 222.0 | 0.1165 | 1.4799 |
| 0.95 | 234.0 | -0.0606 | 1.0582 |
| 0.95 | 246.0 | -1.0646 | 1.1943 |
| 0.95 | 258.0 | 1.3166 | 1.2606 |
| 0.65 | 306.0 | -0.3738 | 0.9179 |
| 0.75 | 90.0 | 0.1161 | 1.3444 |
| 0.75 | 102.0 | 0.8038 | 0.9862 |
| 0.75 | 114.0 | -0.1618 | 0.7618 |
| 0.75 | 126.0 | -1.1745 | 0.8046 |
| 0.75 | 138.0 | 0.3532 | 0.8749 |
| 0.75 | 150.0 | -0.0267 | 1.1381 |
| 0.75 | 198.0 | -0.1354 | 1.1681 |
| 0.75 | 210.0 | 0.8702 | 0.9872 |
| 0.75 | 222.0 | -0.4504 | 0.9426 |
| 0.75 | 234.0 | -0.2566 | 0.8525 |
| 0.75 | 246.0 | -0.6177 | 0.7203 |
| 0.75 | 258.0 | -0.0776 | 0.9063 |
| 0.75 | 270.0 | 0.6784 | 1.2332 |
| 0.75 | 282.0 | -0.5953 | 1.1094 |
| 0.75 | 294.0 | 0.2807 | 1.1076 |
| 0.85 | 90.0 | -0.6134 | 1.393 |
| 0.85 | 102.0 | 1.0294 | 1.4027 |
| 0.85 | 114.0 | -0.0935 | 1.3301 |
| 0.85 | 126.0 | 0.8667 | 1.1603 |
| 0.85 | 138.0 | 0.4108 | 1.2399 |
| 0.85 | 162.0 | 1.2969 | 1.5942 |
| 0.85 | 198.0 | 1.1518 | 1.5678 |
| 0.85 | 210.0 | 0.1555 | 1.0398 |
| 0.85 | 222.0 | -0.7562 | 0.9651 |
| 0.85 | 234.0 | -1.3555 | 0.8194 |
| 0.85 | 246.0 | -0.5892 | 0.8296 |
| 0.85 | 258.0 | -1.0811 | 0.9141 |
| 0.85 | 270.0 | 1.3692 | 1.1173 |
| 0.95 | 210.0 | 2.0094 | 3.7525 |
| 0.95 | 222.0 | 4.3463 | 3.8602 |
| 0.95 | 234.0 | 0.7836 | 3.451 |
| 0.95 | 246.0 | 1.6874 | 3.074 |
| 0.95 | 258.0 | 4.5569 | 3.137 |
Experiment comment: