CLAS Physics Database

Measurement E151M2828

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: 0.0114
Q2: 0.0084 GeV2
W: 1505.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7398

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 222.0 0.2451 0.3841 0.0304
0.75 222.0 -0.2065 0.3801 0.0303