CLAS Physics Database

Measurement E151M3653

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: 0.0563
Q2: 0.1715 GeV2
W: 1895.0 GeV
Ebeam: 2.999 GeV
ε: 0.7745

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.85 102.0 -0.2249 0.2299 0.0303
0.85 186.0 -0.1252 0.2291 0.0301
0.85 198.0 -0.3216 0.2236 0.0307
0.85 210.0 -0.0291 0.2841 0.03