Measurement E151M2644

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:	0.1972
Q²:	0.0205 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9578

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	270.0	-0.1013	0.212
0.65	258.0	-0.2492	0.1825
0.65	270.0	-0.4177	0.1497
0.75	150.0	-0.5758	0.2709
0.75	162.0	-0.2406	0.2799
0.75	186.0	-0.2478	0.3715
0.75	246.0	-0.0122	0.2051
0.75	258.0	-0.1658	0.1878
0.75	270.0	-0.0958	0.2161
0.85	150.0	-0.0202	0.1858
0.85	162.0	0.193	0.2065
0.85	174.0	-0.1336	0.1794
0.85	186.0	0.2843	0.1938

CLAS Physics Database