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Measurement E151M322

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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 : 0.101 GeV2
W : 1385 GeV
ε : 0.8026
Ebeam : 1.3383 GeV
εL: 0.22 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

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 Data errors Systematic errors
0.65 114 0.8694 1.272 0.0603
0.65 126 -1.351 0.5597 0.0867
0.65 234 -0.1737 0.7272 0.0318
0.65 246 -0.0089 0.7227 0.03
0.65 258 -0.5788 0.5726 0.046
0.75 114 -0.88 0.6232 0.0609
0.75 126 -0.5663 0.6536 0.0454
0.75 138 0.7801 1.0166 0.0557
0.75 162 -0.2089 0.8757 0.0325
0.75 222 -0.1943 0.6625 0.0322
0.75 234 -0.5969 0.6241 0.0468
0.75 246 -0.2279 0.5999 0.033
0.75 258 1.1272 0.846 0.0742
0.75 270 0.3104 0.7983 0.0353
0.85 114 0.8932 0.9823 0.0616
0.85 126 -1.6915 0.3381 0.1062
0.85 138 0.5797 1.004 0.046
0.85 150 -1.2097 0.5057 0.0788
0.85 162 -0.5888 0.7323 0.0464
0.85 222 0.2096 0.9332 0.0325
0.85 234 -0.2957 0.5839 0.0349
0.85 246 1.3503 0.9602 0.0867
0.85 258 -0.6025 0.4585 0.0471
0.85 270 1.4426 0.914 0.0919
0.85 282 -0.1597 0.6714 0.0315
0.95 78 -1.3393 0.3965 0.086
0.95 90 0.9435 1.0135 0.0643
0.95 102 -0.2994 0.6679 0.035
0.95 234 0.0254 0.794 0.03
0.95 246 0.1358 0.6834 0.0311
0.95 258 0.0715 0.6751 0.0303
0.95 270 0.0667 0.5983 0.0303
0.95 282 -0.5425 0.4145 0.0444
0.55 234 0.1361 0.6936 0.0312
0.55 246 -0.004 0.6148 0.03
0.55 258 -0.8306 0.6 0.0595
0.65 114 0.2301 0.7204 0.0332
0.65 126 0.0991 0.5893 0.0306
0.65 138 0.9524 0.6917 0.0662
0.65 222 -0.8389 0.6367 0.06
0.65 234 -0.7125 0.5503 0.0534
0.65 246 -0.2715 0.4975 0.0344
0.65 258 -0.8521 0.452 0.0607
0.65 270 1.4191 0.5212 0.0928
0.75 114 0.3956 0.5701 0.0387
0.75 126 0.449 0.567 0.0409
0.75 138 0.1323 0.5572 0.0311
0.75 150 1.6164 0.6663 0.1045
0.75 162 -0.8872 0.595 0.0626
0.75 222 0.235 0.4798 0.0333
0.75 234 0.6127 0.4927 0.0484
0.75 246 0.0673 0.4413 0.0303
0.75 258 -0.0477 0.5101 0.0301
0.75 270 -0.9276 0.5181 0.0648
0.85 114 -0.2733 0.5678 0.0344
0.85 126 -0.0055 0.463 0.03
0.85 138 0.3258 0.507 0.0362
0.85 150 -1.2522 0.5222 0.0831
0.85 222 0.6736 0.6351 0.0514
0.85 234 0.7738 0.4794 0.0565
0.85 246 -0.6906 0.4409 0.0522
0.85 258 -0.7491 0.378 0.0552
0.85 270 0.4212 0.4844 0.0398
0.85 282 0.8903 0.4916 0.0628
0.95 90 -0.0449 0.4545 0.0301
0.95 102 -1.1074 0.3964 0.0748
0.95 114 -0.201 0.532 0.0325
0.95 234 -0.1527 0.5215 0.0315
0.95 246 -0.4524 0.4621 0.041
0.95 258 -0.1005 0.4088 0.0306
0.95 270 -0.3247 0.355 0.0361
0.95 282 -0.8575 0.4176 0.061