Measurement E151M1665

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:	A_LL
ε_L:	0.0176
Q²:	0.0245 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5823

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	210.0	0.5649	1.1596
0.55	222.0	1.2082	1.1286
0.75	222.0	-0.2743	0.9702
0.85	138.0	0.6178	1.237
0.85	222.0	-0.6546	1.2214
0.85	234.0	-0.1516	1.0299
0.45	246.0	-0.7936	0.9257
0.55	234.0	1.3113	0.8328
0.75	210.0	-0.0925	1.0199
0.75	234.0	-0.7256	0.9704
0.85	138.0	-0.4611	0.9197
0.85	234.0	-1.4389	0.8267
0.85	246.0	-0.2093	0.8834

CLAS Physics Database