CLAS Physics Database

Measurement E151M2463

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: 0.9194
Q2: 0.205 GeV2
W: 1205.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7681

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 294.0 0.1365 0.2596
0.45 282.0 -0.1632 0.2123
0.45 294.0 -0.1668 0.2343
0.55 270.0 0.3595 0.2182
0.55 282.0 0.4383 0.1892
0.65 270.0 -0.4608 0.2027
0.65 282.0 0.1515 0.2489
0.85 126.0 0.0478 0.2634