CLAS Physics Database

Measurement E151M363

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: 0.2167
Q2: 0.1715 GeV2
W: 1445.0 GeV
Ebeam: 1.3383 GeV
ε: 0.6825

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 246.0 -0.3918 0.8652
0.65 246.0 1.9868 1.3276
0.65 258.0 3.7185 3.7185
0.75 114.0 -1.6243 0.6046
0.75 234.0 -0.28 0.8632
0.75 258.0 -0.4462 0.7388
0.85 246.0 0.4651 0.9764
0.85 258.0 -0.1297 0.8294
0.85 270.0 0.8093 1.1367
0.95 258.0 -0.5235 0.6833
0.55 258.0 -0.9555 0.6688
0.65 126.0 0.2457 0.7419
0.65 258.0 -0.58 0.6992
0.75 258.0 -1.0544 0.6568
0.85 126.0 -0.5386 0.6698
0.85 138.0 -0.1765 0.7003
0.85 246.0 -0.0216 0.6227
0.85 258.0 0.2914 0.5551
0.95 258.0 -0.1805 0.6079