Measurement E151M674

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:	0.0592
Q²:	0.0707 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.7962

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	282.0	-0.5864	0.7173
0.45	78.0	0.7746	0.7762
0.45	270.0	0.3647	0.6364
0.55	90.0	-0.7293	0.7872
0.55	270.0	2.7759	2.7759
0.65	114.0	-1.0742	0.5253
0.65	126.0	-0.3925	0.6421
0.65	150.0	-1.297	0.6158
0.65	210.0	0.5017	0.7961
0.65	222.0	0.3001	0.701
0.65	270.0	1.2064	0.8108
0.65	282.0	-0.2805	0.7115
0.65	294.0	0.6348	0.8071
0.75	66.0	-0.5567	0.7434
0.75	114.0	-0.057	0.7946
0.75	126.0	-1.3025	0.5633
0.75	138.0	-2.4894	2.4894
0.75	210.0	0.9337	0.7865
0.75	222.0	1.3283	0.7102
0.75	234.0	1.772	0.7781
0.75	270.0	1.148	0.9121
0.75	282.0	-0.381	0.5493
0.85	102.0	-0.9064	0.6017
0.85	114.0	0.7455	0.6558
0.85	198.0	0.357	0.6361
0.85	210.0	0.5849	0.7003
0.85	222.0	0.404	0.7087
0.85	234.0	1.2857	0.6883
0.85	246.0	0.9711	0.7582
0.95	222.0	-0.3858	0.6722

CLAS Physics Database