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Experiment: EG4, 2016
Spokespersons: Xiaochao Zheng
Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
No publications available for this experiment
Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none
| Q2 : | 0.2915 GeV2 | |
|---|---|---|
| W : | 1445 GeV | |
| ε : | 0.9335 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.4264 |
|
Select data slice:
cos(θπ+) = |
Observable quantity measured (Y axis): AUL,
Parameter (X axis): φ(π+), degrees |
Click here to get data in text file, delimited with tabs.
Measured data:
| cos(θπ+) |
φ(π+),
degrees |
AUL | Stat. error | Syst. error |
|---|---|---|---|---|
| 0.05 | 54 | -0.0539 | 0.6778 | 0.0303 |
| 0.05 | 294 | -0.8414 | 0.5961 | 0.0684 |
| 0.15 | 54 | -0.1616 | 0.676 | 0.0322 |
| 0.15 | 66 | 0.1205 | 0.6233 | 0.0313 |
| 0.15 | 282 | -0.8025 | 0.6621 | 0.0659 |
| 0.15 | 294 | 0.1452 | 0.7122 | 0.0318 |
| 0.15 | 306 | 0.0181 | 0.7577 | 0.03 |
| 0.25 | 54 | 3.0858 | 3.0858 | 0.2275 |
| 0.25 | 66 | 0.1081 | 0.7482 | 0.031 |
| 0.25 | 282 | -0.3444 | 0.5725 | 0.0392 |
| 0.25 | 294 | -0.106 | 0.5016 | 0.031 |
| 0.25 | 306 | 0.8932 | 0.638 | 0.0718 |
| 0.35 | 54 | 0.0649 | 0.697 | 0.0304 |
| 0.35 | 66 | 0.0246 | 0.6264 | 0.0301 |
| 0.35 | 78 | 0.5183 | 0.8962 | 0.0483 |
| 0.35 | 90 | 0.1534 | 0.8709 | 0.032 |
| 0.35 | 282 | 0.307 | 0.5699 | 0.0375 |
| 0.35 | 294 | -0.581 | 0.5125 | 0.052 |
| 0.45 | 54 | 0.5699 | 0.804 | 0.0513 |
| 0.45 | 78 | 0.6237 | 0.7977 | 0.0546 |
| 0.45 | 90 | -0.2083 | 0.6973 | 0.0336 |
| 0.45 | 102 | 0.0739 | 0.6639 | 0.0305 |
| 0.45 | 282 | -0.8489 | 0.4889 | 0.0689 |
| 0.45 | 294 | -0.9202 | 0.4993 | 0.0736 |
| 0.55 | 78 | -0.7939 | 0.5806 | 0.0653 |
| 0.55 | 90 | -0.1465 | 0.4976 | 0.0319 |
| 0.55 | 102 | 0.9071 | 0.565 | 0.0728 |
| 0.55 | 114 | 0.2022 | 0.7044 | 0.0334 |
| 0.55 | 258 | -1.2182 | 0.5625 | 0.094 |
| 0.55 | 282 | -0.0213 | 0.6809 | 0.03 |
| 0.55 | 294 | -0.0607 | 0.6723 | 0.0303 |
| 0.55 | 306 | -0.0606 | 0.6674 | 0.0303 |
| 0.65 | 78 | -0.0261 | 0.449 | 0.0301 |
| 0.65 | 90 | -0.1304 | 0.4462 | 0.0315 |
| 0.65 | 102 | 0.3557 | 0.4881 | 0.0397 |
| 0.65 | 114 | 0.7787 | 0.6239 | 0.0643 |
| 0.65 | 246 | -0.1877 | 0.552 | 0.033 |
| 0.65 | 258 | -0.0397 | 0.5124 | 0.0301 |
| 0.65 | 270 | -0.4081 | 0.5371 | 0.0423 |
| 0.65 | 282 | -0.7183 | 0.5293 | 0.0605 |
| 0.65 | 306 | 0.3213 | 0.6702 | 0.0381 |
| 0.75 | 54 | -0.9478 | 0.4428 | 0.0755 |
| 0.75 | 66 | -0.2837 | 0.5838 | 0.0365 |
| 0.75 | 78 | 0.0404 | 0.5111 | 0.0301 |
| 0.75 | 90 | -0.4164 | 0.3987 | 0.0427 |
| 0.75 | 102 | -0.3987 | 0.4171 | 0.0418 |
| 0.75 | 114 | 0.0424 | 0.5413 | 0.0302 |
| 0.75 | 126 | -0.0286 | 0.5946 | 0.0301 |
| 0.75 | 138 | 0.5636 | 0.8225 | 0.051 |
| 0.75 | 210 | 0.1195 | 0.8692 | 0.0312 |
| 0.75 | 222 | -0.2661 | 0.7 | 0.0358 |
| 0.75 | 234 | -0.3216 | 0.4775 | 0.0381 |
| 0.75 | 246 | -0.4062 | 0.4459 | 0.0422 |
| 0.75 | 258 | -0.5342 | 0.4302 | 0.0492 |
| 0.75 | 270 | 0.0059 | 0.4335 | 0.03 |
| 0.75 | 282 | 0.584 | 0.6138 | 0.0522 |
| 0.75 | 294 | -0.3031 | 0.6599 | 0.0373 |
| 0.85 | 54 | -0.4911 | 0.4158 | 0.0468 |
| 0.85 | 66 | 0.1082 | 0.5494 | 0.031 |
| 0.85 | 78 | 0.6591 | 0.8675 | 0.0568 |
| 0.85 | 90 | -0.2305 | 0.4259 | 0.0344 |
| 0.85 | 102 | -0.5553 | 0.4373 | 0.0505 |
| 0.85 | 114 | -0.1998 | 0.4363 | 0.0334 |
| 0.85 | 126 | 0.1914 | 0.5616 | 0.0331 |
| 0.85 | 138 | -0.0717 | 0.7623 | 0.0305 |
| 0.85 | 186 | 0.6288 | 0.9234 | 0.0549 |
| 0.85 | 198 | 0.0611 | 0.6781 | 0.0303 |
| 0.85 | 210 | -1.1248 | 0.4686 | 0.0875 |
| 0.85 | 222 | -0.8869 | 0.4706 | 0.0714 |
| 0.85 | 234 | 1.1524 | 0.5215 | 0.0894 |
| 0.85 | 246 | 0.1123 | 0.4444 | 0.0311 |
| 0.85 | 258 | 0.3602 | 0.4158 | 0.0399 |
| 0.85 | 270 | 0.0573 | 0.3659 | 0.0303 |
| 0.85 | 282 | 0.4836 | 0.4321 | 0.0464 |
| 0.85 | 294 | -0.156 | 0.4082 | 0.0321 |
| 0.85 | 306 | 0.5978 | 0.4902 | 0.053 |
| 0.85 | 318 | 0.117 | 0.6576 | 0.0312 |
| 0.95 | 54 | -0.2713 | 0.6507 | 0.036 |
| 0.95 | 90 | -0.3012 | 0.7147 | 0.0372 |
| 0.95 | 102 | 1.1985 | 0.8387 | 0.0926 |
| 0.95 | 114 | -0.1867 | 0.647 | 0.033 |
| 0.95 | 198 | 0.1035 | 0.7483 | 0.0309 |
| 0.95 | 210 | 0.1674 | 0.6317 | 0.0324 |
| 0.95 | 222 | 0.8932 | 0.7933 | 0.0718 |
| 0.95 | 234 | 0.6636 | 0.664 | 0.057 |
| 0.95 | 246 | -0.0037 | 0.4248 | 0.03 |
| 0.95 | 258 | 0.2884 | 0.5148 | 0.0367 |
| 0.95 | 270 | -0.5381 | 0.4143 | 0.0495 |
| 0.95 | 282 | 0.2244 | 0.4052 | 0.0342 |
| 0.95 | 294 | 0.0531 | 0.3797 | 0.0303 |
| 0.95 | 306 | 0.6247 | 0.4284 | 0.0546 |
| 0.95 | 318 | -0.489 | 0.3928 | 0.0467 |
| 0.95 | 330 | 0.1616 | 0.6024 | 0.0322 |