Measurement E151M64

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:	0.0476
Q²:	0.0101 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8705

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	42.0	1.1816	0.7959
0.35	54.0	0.0845	0.5644
0.45	54.0	0.91	0.827
0.55	42.0	-0.2347	0.6381
0.55	222.0	0.0452	0.6747
0.55	234.0	0.0088	0.5134
0.55	246.0	-0.2231	0.4557
0.55	258.0	0.7244	0.517
0.55	270.0	-0.2852	0.5482
0.65	138.0	0.9398	0.6781
0.65	150.0	0.6847	0.7258
0.65	162.0	0.5754	0.7002
0.65	174.0	0.1543	0.6512
0.65	186.0	-0.5488	0.6521
0.65	222.0	-0.7045	0.4514
0.65	234.0	-0.304	0.3633
0.65	246.0	-0.196	0.3397
0.65	258.0	-0.3596	0.3653
0.65	270.0	0.2458	0.5761
0.75	138.0	0.0112	0.7375
0.75	150.0	-0.9311	0.4816
0.75	162.0	0.6478	0.5693
0.75	174.0	0.3005	0.5961
0.75	198.0	0.3237	0.7263
0.75	222.0	0.2843	0.5659
0.75	234.0	0.6198	0.3973
0.75	246.0	-0.2552	0.3241
0.75	258.0	-0.0448	0.413
0.75	270.0	-0.2401	0.5916
0.85	222.0	0.312	0.5007
0.85	234.0	0.0606	0.4872
0.85	246.0	0.5314	0.4227
0.85	258.0	-0.178	0.4354

CLAS Physics Database