Measurement E151M197

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:	0.0023
Q²:	0.0023 GeV²
W:	1505.0 GeV
E_beam:	1.0539 GeV
ε:	0.5471

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	42.0	0.9239	0.6259
0.35	54.0	0.6891	0.6245
0.35	66.0	0.3725	0.7118
0.45	42.0	-0.4774	0.6682
0.45	54.0	0.353	0.614
0.45	210.0	0.0016	0.6457
0.45	222.0	0.4785	0.6254
0.45	234.0	-0.4139	0.5807
0.55	42.0	-0.7125	0.5684
0.55	210.0	0.3918	0.5788
0.55	222.0	1.2445	0.6502
0.55	234.0	-0.002	0.471
0.55	246.0	0.3203	0.6405
0.65	222.0	0.3188	0.5184
0.65	234.0	0.3426	0.4753
0.65	246.0	0.3762	0.6446
0.75	222.0	-0.2185	0.4582
0.75	234.0	-0.2011	0.5555
0.85	222.0	-0.1523	0.5969

CLAS Physics Database