CLAS Physics Database

Measurement E151M1566

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: ALL
εL: 0.2595
Q2: 0.1715 GeV2
W: 1415.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7187

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.75 234.0 -0.1434 1.2355 0.0311
0.75 246.0 1.0733 1.2196 0.0692
0.85 258.0 0.7866 0.9797 0.0547
0.65 246.0 1.633 0.9202 0.1024
0.75 246.0 1.075 0.9472 0.0711
0.85 258.0 -0.3139 0.8446 0.0354
0.85 270.0 -0.0944 0.9244 0.0305
0.95 258.0 0.0435 0.6961 0.0301