Measurement E151M1174

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:	0.0489
Q²:	0.101 GeV²
W:	1805.0 GeV
E_beam:	2.999 GeV
ε:	0.8444

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	114.0	-1.4211	0.7185
0.65	126.0	-1.8677	0.6619
0.65	198.0	0.0459	0.8388
0.65	282.0	-0.4806	0.7216
0.75	102.0	-1.1768	0.632
0.75	114.0	0.5153	0.9837
0.75	126.0	-1.0485	0.8214
0.75	186.0	1.3042	1.0085
0.75	198.0	0.5325	0.9851
0.75	210.0	-0.6232	0.7491
0.75	222.0	0.442	0.8968
0.75	234.0	0.4693	1.0185
0.75	270.0	-1.0653	0.5826
0.75	282.0	-0.3708	0.6775
0.85	90.0	0.1355	0.8442
0.85	102.0	-0.3288	0.6877
0.85	114.0	0.3214	0.7484
0.85	126.0	-0.045	0.7682
0.85	174.0	0.5446	0.8747
0.85	186.0	0.3866	0.8232
0.85	198.0	-1.0816	0.5159
0.85	210.0	1.3358	0.7124
0.85	222.0	0.2652	0.7393
0.85	234.0	2.6308	0.9896
0.85	282.0	0.296	0.841
0.95	114.0	1.5956	1.043
0.95	198.0	1.1007	0.9265
0.95	210.0	-0.8949	0.6426

CLAS Physics Database