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Measurement E151M397

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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 : 0.0844 GeV2
W : 1505 GeV
ε : 0.6744
Ebeam : 1.3383 GeV
εL: 0.0929 

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
0.55 138 -1.5608 0.4747 0.1012
0.55 222 0.5879 0.6025 0.0472
0.55 234 0.4512 0.6137 0.041
0.55 246 -0.021 0.5563 0.03
0.65 126 0.234 0.6364 0.0333
0.65 138 -0.4195 0.5284 0.0397
0.65 150 -0.6762 0.6281 0.0515
0.65 162 0.26 0.6334 0.034
0.65 222 0.2491 0.4599 0.0337
0.65 234 0.4633 0.5101 0.0415
0.65 246 0.8281 0.5745 0.0594
0.65 258 0.9432 0.5652 0.0657
0.75 126 -0.9609 0.5197 0.0666
0.75 138 0.0421 0.5462 0.0301
0.75 150 0.4301 0.6265 0.0401
0.75 162 -0.5472 0.5874 0.0453
0.75 222 0.9359 0.5526 0.0653
0.75 234 1.6443 0.4634 0.1061
0.75 246 -0.0162 0.4074 0.03
0.75 258 0.6458 0.4595 0.05
0.85 222 0.9357 0.5658 0.0652
0.85 234 0.5591 0.4174 0.0458
0.85 246 -0.0795 0.4466 0.0304
0.85 258 0.392 0.484 0.0386
0.85 270 0.3205 0.597 0.036
0.95 114 0.3275 0.4597 0.0362
0.95 138 0.6723 0.5512 0.0513
0.95 258 -0.6303 0.4255 0.0492
0.25 42 -0.1029 0.9413 0.0306
0.45 234 -0.6326 0.7103 0.0485
0.55 234 1.0771 0.9929 0.0715
0.55 246 -0.6779 0.5248 0.0507
0.65 126 -0.8788 0.6729 0.0608
0.65 138 -1.0597 0.5445 0.0705
0.65 150 -0.7039 0.6899 0.0519
0.65 210 1.5172 1.2887 0.0962
0.65 222 -0.498 0.5999 0.0424
0.65 234 0.4138 0.6791 0.039
0.65 246 0.6184 0.7459 0.0478
0.65 258 1.4132 1.2404 0.0902
0.75 126 -0.1435 0.8305 0.0312
0.75 138 -1.2615 0.4674 0.0817
0.75 222 -0.9893 0.4885 0.0667
0.75 234 0.3928 0.7497 0.0382
0.75 246 -0.2101 0.5556 0.0326
0.75 258 0.9563 0.9685 0.0649
0.85 222 0.9585 0.9754 0.0651
0.85 234 0.9424 0.7852 0.0642
0.85 246 0.458 0.7169 0.0408
0.85 258 -0.1187 0.5767 0.0308
0.95 114 -0.6121 0.5285 0.0475
0.95 234 1.2292 1.0474 0.0799
0.95 246 2.6762 2.6762 0.1639
0.95 258 -0.3195 0.5361 0.0356