Measurement E151M401

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:	0.1491
Q²:	0.1715 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.5978

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	234.0	3.3832	3.3832	0.2059
0.65	222.0	0.1672	0.9193	0.0316
0.65	234.0	-0.8703	0.6211	0.0604
0.65	246.0	-0.0479	0.7742	0.0301
0.75	222.0	-0.1743	0.8963	0.0318
0.75	258.0	-0.0118	0.8766	0.03
0.85	222.0	1.5236	1.2436	0.0965
0.85	246.0	0.3885	0.8664	0.038
0.85	258.0	1.7735	1.0549	0.1109
0.85	270.0	-0.7733	0.5418	0.0554
0.95	246.0	-0.0388	0.7464	0.0301
0.95	270.0	-0.2963	0.625	0.0349
0.55	246.0	1.3363	0.5772	0.088
0.65	126.0	0.1623	0.6716	0.0316
0.65	222.0	0.8639	0.5656	0.0613
0.65	234.0	-0.1436	0.596	0.0313
0.75	234.0	-0.6128	0.5566	0.0484
0.75	246.0	1.151	0.6072	0.0773
0.75	258.0	-0.3835	0.5963	0.0383
0.85	234.0	0.1365	0.605	0.0312
0.85	246.0	-0.6323	0.527	0.0493
0.85	258.0	-0.1174	0.5658	0.0309

CLAS Physics Database