Measurement E151M847
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.1069 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9085 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -0.3216 | 0.4976 |
| 0.25 | 66.0 | 0.126 | 0.4434 |
| 0.25 | 78.0 | -0.5255 | 0.4727 |
| 0.25 | 282.0 | 0.1228 | 0.4501 |
| 0.25 | 294.0 | 0.428 | 0.4669 |
| 0.35 | 66.0 | 0.8028 | 0.3497 |
| 0.35 | 78.0 | -0.0099 | 0.3857 |
| 0.35 | 90.0 | -0.502 | 0.5296 |
| 0.35 | 270.0 | -0.2865 | 0.4223 |
| 0.35 | 282.0 | -0.2203 | 0.3473 |
| 0.35 | 294.0 | 0.0262 | 0.4349 |
| 0.35 | 306.0 | 1.1962 | 0.5537 |
| 0.45 | 66.0 | -0.5715 | 0.3365 |
| 0.45 | 78.0 | -0.1967 | 0.3581 |
| 0.45 | 90.0 | -0.0644 | 0.4654 |
| 0.45 | 102.0 | 0.2202 | 0.5158 |
| 0.45 | 126.0 | -1.0157 | 0.551 |
| 0.45 | 258.0 | 0.8297 | 0.5413 |
| 0.45 | 270.0 | 0.0095 | 0.3516 |
| 0.45 | 282.0 | -0.3246 | 0.3294 |
| 0.45 | 294.0 | -0.0585 | 0.365 |
| 0.55 | 66.0 | -1.3987 | 0.3801 |
| 0.55 | 78.0 | -0.5755 | 0.4425 |
| 0.55 | 90.0 | 0.3312 | 0.4252 |
| 0.55 | 102.0 | -0.1595 | 0.4938 |
| 0.55 | 114.0 | -0.9795 | 0.3976 |
| 0.55 | 126.0 | -0.7202 | 0.3803 |
| 0.55 | 138.0 | -1.3849 | 0.3713 |
| 0.55 | 222.0 | 0.1729 | 0.5705 |
| 0.55 | 234.0 | 0.5816 | 0.5537 |
| 0.55 | 246.0 | 1.0203 | 0.6389 |
| 0.55 | 258.0 | 0.3704 | 0.5615 |
| 0.55 | 270.0 | 0.5002 | 0.4376 |
| 0.55 | 282.0 | 0.0609 | 0.3369 |
| 0.65 | 66.0 | 0.1508 | 0.5028 |
| 0.65 | 78.0 | 0.1029 | 0.5729 |
| 0.65 | 102.0 | -0.441 | 0.4022 |
| 0.65 | 114.0 | -0.3716 | 0.3783 |
| 0.65 | 126.0 | -0.6949 | 0.3966 |
| 0.65 | 138.0 | -0.5512 | 0.4272 |
| 0.65 | 150.0 | -0.0609 | 0.5839 |
| 0.65 | 198.0 | 0.9549 | 0.738 |
| 0.65 | 210.0 | 0.1319 | 0.5727 |
| 0.65 | 222.0 | 0.6564 | 0.628 |
| 0.65 | 234.0 | 0.3151 | 0.4633 |
| 0.65 | 246.0 | 0.3175 | 0.5247 |
| 0.65 | 258.0 | 0.0821 | 0.4993 |
| 0.65 | 270.0 | 1.1033 | 0.5538 |
| 0.65 | 282.0 | 0.3667 | 0.5901 |
| 0.65 | 294.0 | -0.1132 | 0.4329 |
| 0.65 | 306.0 | -0.544 | 0.5203 |
| 0.75 | 66.0 | 0.6949 | 0.5861 |
| 0.75 | 78.0 | 0.3012 | 0.6498 |
| 0.75 | 90.0 | -0.6789 | 0.5568 |
| 0.75 | 102.0 | 0.0363 | 0.6061 |
| 0.75 | 114.0 | -0.1037 | 0.4109 |
| 0.75 | 126.0 | -0.9327 | 0.3664 |
| 0.75 | 138.0 | -0.4615 | 0.4961 |
| 0.75 | 150.0 | -0.2303 | 0.598 |
| 0.75 | 198.0 | 0.6983 | 0.636 |
| 0.75 | 210.0 | 1.2371 | 0.5157 |
| 0.75 | 222.0 | 1.365 | 0.4548 |
| 0.75 | 234.0 | -0.2009 | 0.4637 |
| 0.75 | 246.0 | -0.5238 | 0.4063 |
| 0.75 | 258.0 | 0.0797 | 0.5524 |
| 0.75 | 270.0 | 0.5306 | 0.6574 |
| 0.75 | 282.0 | 0.1361 | 0.4579 |
| 0.75 | 294.0 | -0.9932 | 0.3834 |
| 0.85 | 90.0 | 0.374 | 0.5384 |
| 0.85 | 102.0 | 0.6705 | 0.5347 |
| 0.85 | 126.0 | -0.327 | 0.6019 |
| 0.85 | 138.0 | -1.5705 | 0.496 |
| 0.85 | 198.0 | 0.9514 | 0.7183 |
| 0.85 | 210.0 | 1.0856 | 0.577 |
| 0.85 | 222.0 | 0.1176 | 0.5288 |
| 0.85 | 234.0 | 1.1633 | 0.5409 |
| 0.85 | 246.0 | 0.7808 | 0.5112 |
| 0.85 | 258.0 | -0.2806 | 0.5994 |
| 0.85 | 270.0 | 1.0355 | 0.6385 |
| 0.95 | 102.0 | -1.2702 | 0.9405 |
| 0.95 | 114.0 | -0.6718 | 0.8111 |
| 0.95 | 210.0 | 3.4672 | 1.1263 |
| 0.95 | 222.0 | 1.5262 | 1.2766 |
| 0.95 | 234.0 | 1.9837 | 0.9554 |
| 0.95 | 246.0 | 1.5805 | 1.1132 |
| 0.55 | 294.0 | 0.6126 | 1.3197 |
| 0.65 | 66.0 | -2.0568 | 1.2029 |
| 0.65 | 78.0 | -2.3283 | 1.2958 |
| 0.65 | 90.0 | -2.4804 | 1.3641 |
| 0.65 | 102.0 | -1.271 | 1.3314 |
| 0.65 | 114.0 | -0.903 | 1.1549 |
| 0.65 | 126.0 | -2.6386 | 1.0299 |
| 0.65 | 138.0 | -1.9904 | 1.2567 |
| 0.65 | 150.0 | -2.2859 | 1.4506 |
| 0.65 | 198.0 | 1.4943 | 1.5178 |
| 0.65 | 210.0 | 1.505 | 1.2824 |
| 0.65 | 222.0 | 0.416 | 1.0409 |
| 0.65 | 234.0 | 0.7063 | 1.077 |
| 0.65 | 246.0 | -1.0758 | 1.0767 |
| 0.65 | 258.0 | -2.4564 | 1.0116 |
| 0.65 | 270.0 | -0.2284 | 1.1795 |
| 0.65 | 282.0 | -0.0088 | 1.1621 |
| 0.65 | 294.0 | -1.9656 | 0.8866 |
| 0.65 | 306.0 | -1.7704 | 1.1319 |
| 0.75 | 66.0 | -0.9734 | 1.4185 |
| 0.75 | 78.0 | -1.047 | 1.6384 |
| 0.75 | 102.0 | -0.7227 | 1.5618 |
| 0.75 | 114.0 | 0.2634 | 1.0911 |
| 0.75 | 126.0 | -0.7757 | 1.232 |
| 0.75 | 138.0 | -2.8917 | 0.9572 |
| 0.75 | 150.0 | 0.8592 | 1.5987 |
| 0.75 | 198.0 | 0.8377 | 1.7393 |
| 0.75 | 210.0 | 0.7557 | 1.2876 |
| 0.75 | 222.0 | -1.4245 | 1.0807 |
| 0.75 | 234.0 | 0.5029 | 0.9793 |
| 0.75 | 246.0 | 1.2073 | 1.1021 |
| 0.75 | 258.0 | 0.9379 | 1.6237 |
| 0.75 | 270.0 | 1.1105 | 1.3855 |
| 0.75 | 282.0 | 0.6635 | 1.1863 |
| 0.75 | 294.0 | 2.5401 | 1.1472 |
| 0.85 | 90.0 | 3.2765 | 1.9124 |
| 0.85 | 102.0 | -0.2902 | 1.6096 |
| 0.85 | 114.0 | -1.0085 | 1.6988 |
| 0.85 | 126.0 | -2.5972 | 1.556 |
| 0.85 | 138.0 | 1.3977 | 1.9216 |
| 0.85 | 198.0 | 1.0458 | 1.8632 |
| 0.85 | 210.0 | 2.4737 | 1.5693 |
| 0.85 | 222.0 | 2.4531 | 1.5381 |
| 0.85 | 234.0 | 0.4827 | 1.1933 |
| 0.85 | 246.0 | 2.1915 | 1.2478 |
| 0.85 | 258.0 | 3.6569 | 1.515 |
| 0.85 | 270.0 | 0.471 | 1.5561 |
| 0.95 | 234.0 | -5.2619 | 3.5335 |
| 0.95 | 246.0 | 4.8393 | 4.6604 |
Experiment comment: