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Measurement E151M272

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: 0.0579
Q2: 0.0143 GeV2
W: 1325.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9061

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.55 246.0 -0.4858 0.4899 0.0425
0.55 258.0 -0.1377 0.5865 0.0312
0.65 126.0 -0.7327 0.5671 0.0544
0.65 138.0 0.8154 0.5569 0.0587
0.65 150.0 -0.222 0.5143 0.033
0.65 222.0 -0.864 0.52 0.0613
0.65 234.0 -0.1963 0.4425 0.0324
0.65 246.0 0.0716 0.4096 0.0303
0.65 258.0 -0.937 0.4602 0.0653
0.75 138.0 -0.2955 0.4344 0.0351
0.75 150.0 -0.4135 0.5635 0.0394
0.75 174.0 -1.4476 0.411 0.0945
0.75 222.0 0.5689 0.5106 0.0463
0.75 234.0 -0.5591 0.3885 0.0458
0.75 246.0 0.9102 0.438 0.0638
0.75 258.0 -0.4155 0.5048 0.0395
0.85 222.0 0.1392 0.4971 0.0312
0.85 234.0 0.3645 0.4114 0.0375
0.85 246.0 -0.427 0.3504 0.04
0.85 258.0 0.0452 0.4617 0.0301
0.45 42.0 0.5585 1.0835 0.0451
0.55 234.0 -0.2696 0.7197 0.0341
0.55 246.0 0.2409 0.7265 0.0333
0.55 258.0 -0.7722 0.618 0.0553
0.65 138.0 1.3325 1.0058 0.0857
0.65 210.0 -0.8072 0.6487 0.0571
0.65 222.0 0.1632 0.7365 0.0316
0.65 234.0 0.8771 0.7932 0.0607
0.65 246.0 0.0045 0.5834 0.03
0.65 258.0 -0.7951 0.4715 0.0565
0.75 138.0 1.6599 1.2537 0.1044
0.75 150.0 -0.2873 0.7749 0.0346
0.75 222.0 -0.5942 0.5515 0.0467
0.75 234.0 -0.5987 0.4455 0.0469
0.75 246.0 0.3136 0.5803 0.0355
0.75 258.0 -0.1134 0.5773 0.0308
0.85 222.0 1.3448 0.8327 0.0864
0.85 234.0 0.4547 0.6872 0.0406
0.85 246.0 -0.542 0.4539 0.0443
0.85 258.0 1.9824 1.9824 0.1231
Created in SINP MSU, CLAS Collaboration