CLAS Physics Database

Measurement E151M1

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: 1.0999
Q2: 0.1715 GeV2
W: 1175.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8217

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.95 150.0 0.0451 0.3586 0.0304
0.95 210.0 0.4782 0.3695 0.0621