Measurement E151M1172

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:	0.0354
Q²:	0.0707 GeV²
W:	1805.0 GeV
E_beam:	2.999 GeV
ε:	0.851

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	126.0	-0.4059	0.868
0.65	138.0	4.0468	4.0468
0.75	102.0	0.4423	0.9983
0.75	114.0	-1.0469	0.8073
0.75	210.0	0.9489	1.0148
0.75	222.0	-1.3025	0.7023
0.85	102.0	1.7849	0.7831
0.85	114.0	1.2325	0.7778
0.85	126.0	0.775	1.0504
0.85	174.0	-0.3382	0.9035
0.85	186.0	-0.473	0.6656
0.85	198.0	-1.1419	0.6277
0.85	210.0	-1.0571	0.7517

CLAS Physics Database