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Measurement E151M798

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: 0.4753
Q2: 0.2445 GeV2
W: 1385.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9078

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.65 90.0 0.7841 1.2036 0.0783
0.65 102.0 0.6703 1.2227 0.0688
0.75 90.0 -1.0213 1.0576 0.0989
0.75 102.0 -0.1224 1.1928 0.0321
0.75 246.0 1.4578 1.0257 0.1378
0.75 258.0 -0.6463 0.9529 0.0668
0.75 282.0 -0.6279 0.905 0.0653
0.85 102.0 0.7533 1.4255 0.0757
0.85 114.0 0.5873 1.3113 0.0619
0.85 222.0 1.6076 1.2065 0.1514
0.85 246.0 -0.0264 1.1957 0.0301
0.85 258.0 1.0232 1.0173 0.0991
0.85 270.0 -0.6766 1.0583 0.0693
0.85 282.0 0.9965 0.9881 0.0967
0.85 294.0 -0.8871 0.8602 0.0872
0.95 246.0 -2.8258 2.9516 0.2625
0.95 282.0 -1.9182 2.9104 0.1796
0.95 294.0 0.9321 3.1144 0.0911
0.55 102.0 0.2199 0.665 0.0333
0.65 102.0 0.425 0.576 0.041
0.65 258.0 0.3398 0.6496 0.0374
0.75 90.0 0.1281 0.5885 0.0312
0.75 102.0 -0.2872 0.5342 0.0354
0.75 114.0 -1.0708 0.5863 0.0764
0.75 246.0 -0.5415 0.5685 0.0465
0.75 258.0 0.5492 0.6663 0.0469
0.75 270.0 -0.4323 0.6278 0.0413
0.85 102.0 -0.3717 0.5768 0.0387
0.85 210.0 -0.9791 0.7109 0.0709
0.85 234.0 1.0573 0.841 0.0756
0.85 246.0 1.0613 0.757 0.0758
0.85 258.0 0.0314 0.6268 0.0301
0.85 270.0 -0.2373 0.6342 0.0338
0.85 282.0 -1.6625 0.3708 0.1131
0.95 282.0 1.1659 0.9188 0.0822
0.95 294.0 -0.2262 0.9604 0.0335
0.95 306.0 -0.4377 0.9377 0.0415
Created in SINP MSU, CLAS Collaboration