Measurement E151M955

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:	1.2383
Q²:	0.4155 GeV²
W:	1235.0 GeV
E_beam:	2.999 GeV
ε:	0.9514

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	282.0	0.9633	0.6365
0.35	294.0	1.6289	0.6701
0.45	282.0	0.2952	0.5369
0.55	270.0	-0.1431	0.5444
0.55	282.0	-0.2242	0.5002
0.55	294.0	0.5851	0.5435
0.65	78.0	-0.5615	0.5184
0.65	90.0	-0.219	0.6062
0.65	270.0	0.1695	0.6036
0.65	282.0	0.6879	0.5661
0.65	294.0	0.6732	0.5665
0.65	306.0	0.4142	0.5753
0.75	66.0	0.383	0.5685
0.75	78.0	0.572	0.5479
0.75	90.0	-1.0485	0.4807
0.75	102.0	0.0115	0.6403
0.75	258.0	-0.0171	0.5882
0.75	270.0	1.5313	0.7015
0.75	282.0	0.5884	0.5139
0.75	294.0	0.255	0.5523
0.75	306.0	0.2031	0.5762
0.85	54.0	0.3046	0.6231
0.85	66.0	-0.3078	0.5472
0.85	78.0	0.62	0.5393
0.85	90.0	-0.4785	0.4448
0.85	102.0	0.1969	0.549
0.85	270.0	-0.591	0.4873
0.85	294.0	0.209	0.616
0.85	306.0	0.4515	0.5634
0.85	318.0	0.5906	0.7291
0.95	54.0	0.5685	0.6519
0.95	66.0	-1.7929	0.2425
0.95	90.0	-1.0218	0.4595
0.95	270.0	0.5368	0.6523

CLAS Physics Database