Measurement E151M900

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_UL
ε_L:	0.0862
Q²:	0.101 GeV²
W:	1625.0 GeV
E_beam:	2.2596 GeV
ε:	0.8396

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	270.0	2.2148	0.6224
0.55	126.0	-0.9905	0.6678
0.75	234.0	-0.279	0.7359
0.75	246.0	-0.1787	0.7936
0.75	282.0	-0.5599	0.5755
0.75	294.0	0.5713	0.7229
0.85	102.0	-1.1909	0.6476
0.85	222.0	-0.5191	0.7858
0.85	234.0	-0.0748	0.7476
0.45	282.0	0.4695	0.6501
0.65	114.0	-1.472	0.6513
0.65	138.0	-0.8866	0.7139
0.75	138.0	-1.1293	0.7587
0.75	222.0	0.8571	0.8618
0.75	234.0	0.3627	0.7457
0.85	90.0	1.1037	0.9228
0.85	102.0	2.0274	1.0334
0.85	222.0	1.7732	0.8483
0.85	234.0	0.8136	0.8796

CLAS Physics Database