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Measurement E151M2693

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: 0.6992
Q2: 0.205 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8283

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.85 114.0 -0.0442 0.2691 0.03
0.65 282.0 0.2496 0.3403 0.0304
0.85 270.0 0.5888 0.3466 0.0322
Created in SINP MSU, CLAS Collaboration