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Measurement E151M92

Experiment: EG4
Year: 2016

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).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: AUL
εL: 0.1029
Q2: 0.0291 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.82

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.15 42.0 0.545 0.7961
0.25 30.0 -0.6582 0.692
0.25 42.0 -0.4912 0.6355
0.25 54.0 1.2639 0.7593
0.35 30.0 -0.6806 0.6598
0.35 42.0 1.4777 0.6359
0.35 54.0 -1.0614 0.6417
0.45 30.0 0.165 0.5141
0.45 42.0 1.8528 0.5936
0.45 54.0 -0.1179 0.6355
0.55 42.0 0.3305 0.6823
0.55 54.0 0.7684 0.7838
0.55 234.0 -0.552 0.4456
0.55 246.0 -0.5137 0.4254
0.55 258.0 0.5096 0.4376
0.55 270.0 -0.3611 0.5464
0.65 138.0 -0.3029 0.6806
0.65 150.0 0.1503 0.6579
0.65 162.0 0.1399 0.7163
0.65 174.0 -0.2904 0.7757
0.65 186.0 -0.1411 0.7908
0.65 210.0 0.127 0.7335
0.65 222.0 0.2794 0.5342
0.65 234.0 0.3969 0.4276
0.65 246.0 -0.4267 0.4125
0.65 258.0 -0.0269 0.3736
0.65 270.0 0.8147 0.5156
0.75 138.0 0.7439 0.7005
0.75 150.0 0.0544 0.5517
0.75 162.0 -0.5234 0.5259
0.75 174.0 -0.4225 0.5321
0.75 186.0 -0.3914 0.6292
0.75 222.0 1.7388 0.5667
0.75 234.0 -0.2578 0.4074
0.75 246.0 0.2478 0.4277
0.75 258.0 0.0822 0.392
0.75 270.0 0.1649 0.4267
0.75 282.0 -0.1446 0.6841
0.85 138.0 -0.8868 0.5843
0.85 150.0 -0.4991 0.556
0.85 162.0 -0.6613 0.569
0.85 174.0 0.0942 0.7022
0.85 222.0 -0.9339 0.5528
0.85 234.0 -0.3308 0.4352
0.85 246.0 0.546 0.3618
0.85 258.0 0.4539 0.4478
0.85 270.0 -0.0724 0.3797
0.85 282.0 1.0912 0.6902
0.95 138.0 -0.28 0.5088
0.95 246.0 0.1579 0.4678
0.95 258.0 -0.0126 0.579
Created in SINP MSU, CLAS Collaboration