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Measurement E151M2651

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: ALU
εL: 0.5635
Q2: 0.0707 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9333

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 270.0 -0.3827 0.2086 0.0312
0.55 282.0 -0.2142 0.1709 0.0307
0.65 258.0 -0.5323 0.2934 0.0318
0.65 270.0 -0.2126 0.1745 0.0305
0.65 282.0 0.3277 0.1597 0.0318
0.75 258.0 0.249 0.1449 0.0327
0.75 270.0 -0.2625 0.1739 0.0307
0.85 126.0 -0.4394 0.3063 0.0313
0.85 138.0 0.0767 0.3521 0.03
0.85 150.0 -0.459 0.294 0.0314
0.85 162.0 0.1975 0.3678 0.0303
0.85 186.0 0.3716 0.3959 0.0309
0.85 270.0 -0.178 0.3629 0.0302
0.95 126.0 -0.2992 0.4072 0.0306
0.95 138.0 -0.1694 0.355 0.0302
0.95 150.0 0.2498 0.3541 0.0304
0.95 162.0 0.1637 0.3613 0.0302
0.95 174.0 0.6101 0.2876 0.0324
0.95 186.0 -0.4129 0.3086 0.0311
0.95 210.0 0.2079 0.3697 0.0303
0.75 282.0 0.3403 0.2877 0.0308
0.85 126.0 0.0405 0.2611 0.03
0.85 138.0 -0.2373 0.2777 0.0304
0.85 150.0 -0.1917 0.2502 0.0302
0.85 162.0 -0.0286 0.2716 0.03
0.85 186.0 0.104 0.2622 0.0301
0.85 258.0 -0.0658 0.2539 0.03
0.95 126.0 -0.2234 0.2486 0.0303
0.95 138.0 0.2334 0.2328 0.0304
0.95 162.0 0.6025 0.2089 0.0323
0.95 174.0 -0.0759 0.2519 0.03
0.95 186.0 0.1968 0.2633 0.0303
0.95 198.0 -0.1033 0.2627 0.0301
Created in SINP MSU, CLAS Collaboration