Measurement E151M2988

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_LU
ε_L:	0.618
Q²:	0.348 GeV²
W:	1355.0 GeV
E_beam:	1.9889 GeV
ε:	0.8569

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	102.0	-0.1484	0.251
0.65	270.0	0.1408	0.2541
0.75	78.0	0.0012	0.2604
0.75	90.0	0.4691	0.2095
0.75	102.0	-0.1511	0.24
0.75	294.0	-0.122	0.2607
0.85	90.0	-0.3278	0.2659
0.85	102.0	0.4911	0.1857
0.85	222.0	0.7393	0.2127
0.85	234.0	0.2581	0.2501
0.85	270.0	0.0692	0.256
0.85	282.0	-0.1138	0.2591
0.85	294.0	-0.3307	0.2378
0.95	234.0	0.1804	0.2877
0.95	294.0	0.5616	0.2313

CLAS Physics Database