CLAS Physics Database

Measurement E151M2484

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: 0.0357
Q2: 0.0059 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.9002

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 258.0 -0.446 0.2201 0.0313
0.55 270.0 -0.2367 0.2408 0.0304
0.65 246.0 -0.1046 0.2498 0.0301
0.75 246.0 0.1801 0.245 0.0302