Measurement E151M36

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:	0.5937
Q²:	0.1205 GeV²
W:	1235.0 GeV
E_beam:	1.0539 GeV
ε:	0.8194

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.05	42.0	-1.0104	0.4785
0.45	270.0	-0.3046	0.503
0.45	282.0	-0.2286	0.5147
0.45	294.0	0.3695	0.5472
0.55	258.0	0.3943	0.5941
0.55	270.0	-0.9696	0.3465
0.55	282.0	0.7923	0.4273
0.55	294.0	0.3685	0.5897
0.65	258.0	0.4981	0.4942
0.65	270.0	0.7506	0.4397
0.65	282.0	0.1304	0.4405
0.65	294.0	-0.6282	0.4982
0.75	246.0	0.0693	0.5062
0.75	258.0	-0.2842	0.4255
0.75	270.0	-0.4581	0.3833
0.75	282.0	0.0394	0.4338
0.75	294.0	-0.1304	0.5075
0.85	114.0	-0.8995	0.4818
0.85	138.0	0.1962	0.4938
0.85	150.0	-0.2049	0.4348
0.85	162.0	0.6447	0.517
0.85	174.0	0.1925	0.5596
0.85	258.0	0.274	0.5183
0.85	282.0	-0.499	0.439
0.95	126.0	0.1093	0.376
0.95	138.0	0.0685	0.4768
0.95	150.0	0.3769	0.4797
0.95	162.0	-0.4584	0.3608
0.95	186.0	0.6243	0.4711

CLAS Physics Database