Measurement E151M81

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:	0.0088
Q²:	0.0023 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.8482

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	234.0	0.2869	0.6366
0.55	246.0	1.2632	0.6581
0.65	234.0	-0.5233	0.5443
0.65	246.0	0.682	0.7916
0.65	258.0	0.8445	0.6476
0.75	222.0	0.4868	0.7549
0.75	234.0	0.1265	0.6602
0.75	246.0	0.3022	0.6078
0.75	258.0	1.2478	0.8377
0.85	222.0	-0.4047	0.6106
0.85	234.0	1.2001	0.7269
0.85	246.0	-0.0802	0.7012

CLAS Physics Database