CLAS Physics Database

Measurement E151M2901

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: 0.0142
Q2: 0.0245 GeV2
W: 1625.0 GeV
Ebeam: 1.3383 GeV
ε: 0.5245

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.75 222.0 -0.0577 0.2538 0.03
0.75 246.0 0.2232 0.2828 0.0303
0.65 234.0 0.3211 0.3574 0.0307
0.75 234.0 0.4355 0.3103 0.0312
0.85 222.0 0.7696 0.2101 0.0337