Measurement E151M7

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:	0.2241
Q²:	0.0245 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9247

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.25	54.0	0.5729	0.516	0.0717
0.35	54.0	-0.3771	0.4824	0.0523
0.45	270.0	0.2809	0.5002	0.0438
0.45	282.0	-0.3988	0.4394	0.0544
0.55	258.0	0.1304	0.4162	0.0335
0.55	270.0	-0.4045	0.3234	0.0549
0.55	282.0	-1.2211	0.2619	0.1421
0.65	246.0	0.5278	0.4385	0.0671
0.65	258.0	-0.0685	0.3248	0.031
0.65	270.0	-0.3166	0.2698	0.0469
0.75	162.0	0.668	0.4103	0.0817
0.75	174.0	-0.3737	0.3975	0.052
0.75	186.0	-0.4836	0.4016	0.0627
0.75	198.0	0.007	0.3878	0.03
0.75	210.0	0.2556	0.48	0.0418
0.75	234.0	-0.1382	0.4643	0.0339
0.75	246.0	-0.1826	0.4032	0.0365
0.75	258.0	-0.0823	0.3337	0.0314
0.75	270.0	0.8008	0.4923	0.0959
0.85	150.0	-0.7347	0.3348	0.0888
0.85	162.0	0.0609	0.391	0.0308
0.85	174.0	-0.264	0.338	0.0424
0.85	186.0	0.4138	0.3434	0.0558
0.85	198.0	-0.3935	0.3495	0.0539
0.85	210.0	-0.1565	0.4309	0.0349
0.85	222.0	0.4383	0.4701	0.0582

CLAS Physics Database