CLAS Physics Database

Measurement E151M3634

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: 0.0801
Q2: 0.205 GeV2
W: 1835.0 GeV
Ebeam: 2.999 GeV
ε: 0.804

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.85 102.0 0.1729 0.2369 0.0302
0.85 210.0 0.133 0.2608 0.0301
0.85 222.0 0.1907 0.2288 0.0302
0.95 198.0 -0.4718 0.2389 0.0314