Measurement E151M10

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:	0.3544
Q²:	0.0415 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9107

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	282.0	0.4874	0.4675	0.063
0.55	270.0	-0.0698	0.4306	0.031
0.55	282.0	0.7213	0.3624	0.0874
0.65	258.0	-0.4745	0.3702	0.0618
0.65	270.0	0.1724	0.3538	0.0358
0.65	282.0	-0.3482	0.4087	0.0497
0.75	258.0	-0.8771	0.2803	0.1042
0.75	270.0	-0.2905	0.3227	0.0446
0.85	138.0	-0.2	0.461	0.0377
0.85	150.0	0.6265	0.474	0.0773
0.85	162.0	-0.1579	0.3439	0.035
0.85	174.0	-0.0974	0.3167	0.032
0.85	186.0	0.4936	0.3479	0.0637
0.85	198.0	-0.0993	0.303	0.0321
0.85	210.0	-0.3708	0.3223	0.0518
0.85	222.0	0.5779	0.493	0.0723
0.95	186.0	0.4761	0.3793	0.0619
0.95	210.0	-0.2801	0.3488	0.0438

CLAS Physics Database