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Measurement E151M3

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: 0.1164
Q2: 0.0121 GeV2
W: 1205.0 GeV
Ebeam: 1.0539 GeV
ε: 0.9348

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 258.0 -0.8508 0.346
0.55 270.0 -0.208 0.4244
0.65 246.0 0.2298 0.3859
0.65 258.0 -0.226 0.3728
0.65 270.0 0.3626 0.4804
0.75 186.0 0.1708 0.4617
0.75 246.0 -0.1808 0.4561
0.75 258.0 0.0974 0.4512
Created in SINP MSU, CLAS Collaboration