Measurement E151M108

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:	0.0364
Q²:	0.0121 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.8024

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.25	42.0	2.4277	0.8754	0.2778
0.35	42.0	-0.0158	0.6315	0.0301
0.35	54.0	0.0228	0.6175	0.0301
0.45	30.0	0.0979	0.8465	0.032
0.45	42.0	0.247	0.6493	0.0411
0.45	54.0	0.2534	0.6213	0.0416
0.45	66.0	-0.6479	0.79	0.0796
0.55	18.0	0.1364	0.8169	0.0338
0.55	30.0	0.6693	0.5288	0.0818
0.55	42.0	0.3971	0.5073	0.0542
0.55	54.0	0.195	0.6081	0.0373
0.55	66.0	-0.1896	0.935	0.0369
0.55	210.0	0.4144	0.8111	0.0559
0.55	222.0	0.5513	0.7376	0.0695
0.55	234.0	0.3425	0.4855	0.0492
0.55	246.0	0.594	0.6425	0.0739
0.55	258.0	-0.7364	0.5216	0.089
0.65	42.0	-0.204	0.6165	0.0379
0.65	54.0	0.854	0.6044	0.1017
0.65	138.0	0.0913	0.6841	0.0317
0.65	150.0	-0.3405	0.6126	0.049
0.65	162.0	-0.7813	0.6412	0.0938
0.65	174.0	-0.6223	0.612	0.0769
0.65	198.0	0.2777	0.8305	0.0436
0.65	210.0	0.9718	0.6925	0.1146
0.65	222.0	-0.7981	0.4356	0.0956
0.65	234.0	-0.1169	0.4783	0.0328
0.65	246.0	0.4543	0.4321	0.0598
0.65	258.0	1.0413	0.6039	0.1222
0.75	138.0	0.6313	0.7964	0.0778
0.75	150.0	-0.9598	0.6579	0.1132
0.75	162.0	0.4801	0.7318	0.0623
0.75	174.0	1.6698	0.8102	0.1923
0.75	210.0	-0.478	0.5808	0.0621
0.75	222.0	-0.3274	0.5155	0.0478
0.75	234.0	0.1382	0.4775	0.0339
0.75	246.0	-0.5103	0.4119	0.0653
0.75	258.0	-0.1229	0.5519	0.0331
0.85	210.0	1.1933	0.8218	0.139
0.85	222.0	0.3789	0.5572	0.0525
0.85	234.0	-0.2203	0.4473	0.0391
0.85	246.0	0.7576	0.5207	0.0913
0.85	258.0	1.2562	0.617	0.146

CLAS Physics Database