Measurement E151M201

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:	0.2317
Q²:	0.0245 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9559

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	258.0	-0.6354	0.2846
0.55	270.0	-0.2744	0.2817
0.55	282.0	0.8122	0.3011
0.65	246.0	-0.2736	0.3082
0.65	258.0	0.2	0.2822
0.65	270.0	-0.2052	0.2532
0.75	150.0	0.2597	0.7096
0.75	174.0	0.041	0.6978
0.75	186.0	0.0597	0.6895
0.75	234.0	0.5177	0.7723
0.75	246.0	-0.8363	0.2967
0.75	258.0	0.0129	0.4903
0.75	270.0	-0.3974	0.4196
0.85	138.0	-0.2417	0.5972
0.85	150.0	-0.6362	0.3763
0.85	162.0	-0.1154	0.5866
0.85	174.0	1.6225	1.6225
0.85	186.0	-0.2476	0.5633
0.85	198.0	0.1685	0.5772
0.85	222.0	0.6176	0.7482
0.65	282.0	1.0513	0.4091
0.75	246.0	-0.3855	0.3858
0.75	258.0	-0.229	0.3481
0.75	270.0	-0.4597	0.3456
0.85	150.0	0.6043	0.417
0.85	162.0	0.1812	0.3937
0.85	174.0	-0.5284	0.3501
0.85	186.0	-0.4071	0.3072
0.85	198.0	-0.1025	0.3749

CLAS Physics Database