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Measurement E151M1022

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: 0.6528
Q2: 0.7075 GeV2
W: 1415.0 GeV
Ebeam: 2.999 GeV
ε: 0.8767

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.85 270.0 -0.4471 0.6452 0.0444
0.85 306.0 -0.4265 0.6282 0.0433
0.85 318.0 -0.6086 0.6202 0.0537
Created in SINP MSU, CLAS Collaboration