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Measurement E151M1823

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.1435 GeV2
W : 1475 GeV
ε : 0.8676
Ebeam : 1.9889 GeV
εL: 0.2118 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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 		ALL Stat. error Syst. error
0.15 294 0.1852 0.782 0.032
0.25 66 -0.0251 0.7135 0.03
0.25 78 1.5259 0.6754 0.0972
0.25 282 -0.5601 0.6884 0.0453
0.25 294 -1.5008 0.6213 0.0958
0.25 306 -1.1909 0.637 0.0782
0.35 66 0.7705 0.6783 0.0555
0.35 78 -0.2532 0.6713 0.0337
0.35 282 -1.3381 0.6482 0.0865
0.35 294 0.7755 0.5473 0.0558
0.45 66 0.2228 0.8484 0.0329
0.45 78 -0.4573 0.6102 0.0408
0.45 270 0.2688 0.7905 0.0341
0.45 282 0.7587 0.6165 0.0549
0.45 294 0.2214 0.5077 0.0329
0.55 66 -1.151 0.8108 0.0759
0.55 102 0.3666 0.8652 0.0373
0.55 114 -1.0127 0.6587 0.0683
0.55 258 0.5096 0.8522 0.0431
0.55 282 0.4322 0.7082 0.0398
0.55 306 -0.5674 0.6746 0.0456
0.65 102 0.7475 0.6517 0.0543
0.65 114 -0.2964 0.6142 0.035
0.65 126 -0.133 0.7047 0.0311
0.65 138 1.5393 0.7169 0.098
0.65 234 1.0049 0.71 0.0679
0.65 246 -0.1021 0.6025 0.0306
0.65 258 -0.7407 0.7895 0.054
0.65 270 -0.7315 0.7784 0.0535
0.65 294 -0.4291 0.685 0.0397
0.65 306 -0.163 0.7021 0.0316
0.75 102 -0.171 0.6181 0.0317
0.75 114 0.069 0.4991 0.0303
0.75 126 0.6141 0.5724 0.0478
0.75 138 1.132 0.6816 0.0749
0.75 210 0.3608 0.6391 0.0371
0.75 222 0.4765 0.6992 0.0416
0.75 234 -0.0507 0.5644 0.0302
0.75 246 -0.3492 0.5079 0.0367
0.75 258 -0.4745 0.617 0.0416
0.75 270 0.661 0.7762 0.05
0.75 294 0.072 0.7375 0.0303
0.85 78 -0.2788 0.6997 0.0344
0.85 90 -0.4973 0.6603 0.0425
0.85 102 0.4748 0.6656 0.0416
0.85 114 -0.1572 0.6734 0.0315
0.85 126 0.1489 0.734 0.0313
0.85 138 1.1502 0.5121 0.0759
0.85 150 0.094 0.8232 0.0305
0.85 198 1.5775 0.6975 0.1002
0.85 210 0.4791 0.7403 0.0417
0.85 222 -0.2085 0.7577 0.0326
0.85 234 0.6129 0.5182 0.0477
0.85 246 1.1837 0.5019 0.0778
0.85 258 0.3467 0.5604 0.0366
0.85 270 0.2298 0.6299 0.0331
0.95 90 0.3433 0.7265 0.0365
0.95 210 -0.2598 0.6695 0.0339
0.95 222 0.4374 0.5709 0.04
0.95 234 0.7186 0.657 0.0529
0.95 246 1.0994 0.4402 0.0731
0.95 258 0.8291 0.504 0.0585
0.95 270 -0.0481 0.4993 0.0301