Measurement E151M1034

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:	0.5897
Q²:	0.7075 GeV²
W:	1445.0 GeV
E_beam:	2.999 GeV
ε:	0.8681

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	90.0	0.5104	0.8396	0.0479
0.75	270.0	-0.2915	0.7394	0.0368
0.75	282.0	0.6853	0.8413	0.0584
0.85	258.0	-0.1537	0.7417	0.032
0.85	270.0	-1.3972	0.5332	0.1064
0.85	294.0	0.1783	0.7234	0.0327
0.85	306.0	-0.1458	0.6419	0.0318
0.85	318.0	1.3298	0.78	0.1017
0.85	330.0	-0.177	0.6793	0.0327

CLAS Physics Database