Measurement E151M643

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:	0.0909
Q²:	0.0844 GeV²
W:	1565.0 GeV
E_beam:	1.9889 GeV
ε:	0.8353

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.25	294.0	1.4339	0.7794	0.0927
0.35	78.0	-1.7138	0.5191	0.109
0.35	270.0	0.9129	0.8035	0.0634
0.35	282.0	-0.328	0.7677	0.0361
0.45	66.0	-1.8112	0.5558	0.1148
0.45	78.0	-0.5341	0.7016	0.0444
0.45	270.0	-0.1365	0.7211	0.0311
0.45	282.0	-0.249	0.639	0.0336
0.55	78.0	0.6737	0.8763	0.051
0.55	114.0	-1.7906	0.5691	0.1136
0.55	126.0	-1.2652	0.6552	0.083
0.55	138.0	-0.6892	0.6817	0.0517
0.55	234.0	0.7916	0.8344	0.057
0.55	258.0	-1.1484	0.6469	0.0764
0.55	270.0	0.2167	0.7925	0.0328
0.55	282.0	1.3175	0.7941	0.086
0.65	114.0	0.6949	0.6998	0.052
0.65	126.0	-0.812	0.5991	0.058
0.65	138.0	-1.2739	0.5949	0.0835
0.65	198.0	1.7622	0.8276	0.1119
0.65	210.0	1.241	0.8399	0.0816
0.65	222.0	-0.3219	0.6245	0.0359
0.65	234.0	0.3874	0.7097	0.0382
0.65	282.0	0.639	0.8221	0.0493
0.65	294.0	-0.099	0.6278	0.0306
0.75	114.0	-0.9181	0.6911	0.0637
0.75	126.0	-1.5173	0.4591	0.0975
0.75	138.0	1.0702	0.8139	0.072
0.75	150.0	-1.2654	0.5994	0.083
0.75	210.0	-0.0348	0.647	0.0301
0.75	222.0	-0.1466	0.6154	0.0313
0.75	234.0	-0.1797	0.5651	0.0319
0.75	246.0	2.2391	0.6011	0.1402
0.75	282.0	-0.3902	0.5115	0.0383
0.75	294.0	-0.0969	0.5737	0.0306
0.85	102.0	0.4953	0.6981	0.0426
0.85	114.0	-0.1332	0.7447	0.0311
0.85	198.0	1.431	0.8802	0.0925
0.85	210.0	-0.0673	0.6947	0.0303
0.85	222.0	0.27	0.673	0.0342
0.85	234.0	0.2893	0.5361	0.0348
0.85	246.0	1.642	0.6163	0.1048
0.95	114.0	0.1164	0.7595	0.0308
0.95	222.0	1.6362	0.6801	0.1045
0.95	246.0	-0.087	0.667	0.0305

CLAS Physics Database