CLAS Physics Database

Measurement E151M233

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: 0.0744
Q2: 0.0121 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9391

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.75 258.0 0.2395 0.5121
0.65 246.0 0.0258 0.7339
0.65 258.0 0.1671 0.7306
0.75 246.0 1.6244 0.8399
0.75 258.0 -0.5749 0.5143