Measurement E151M527

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:	0.6182
Q²:	0.2445 GeV²
W:	1325.0 GeV
E_beam:	1.9889 GeV
ε:	0.9002

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	270.0	0.2446	0.6475
0.65	90.0	-0.0119	0.5729
0.65	102.0	0.5478	0.6024
0.65	258.0	-0.6385	0.5016
0.65	270.0	-0.4687	0.5854
0.65	282.0	-0.5456	0.5471
0.65	294.0	-0.4509	0.5588
0.75	78.0	0.7307	0.5614
0.75	90.0	0.2937	0.5446
0.75	102.0	-0.0376	0.5376
0.75	114.0	-0.0749	0.5463
0.75	246.0	-1.0673	0.4203
0.75	258.0	1.0162	0.4588
0.75	270.0	-0.2855	0.436
0.75	282.0	-0.7188	0.5153
0.85	90.0	-0.994	0.3412
0.85	102.0	-0.1319	0.4335
0.85	114.0	-0.2991	0.5159
0.85	126.0	1.0674	0.6633
0.85	138.0	-0.2356	0.6125
0.85	222.0	-0.6032	0.5452
0.85	234.0	-0.1909	0.4668
0.85	246.0	0.1426	0.5944
0.85	258.0	0.6616	0.498
0.85	270.0	-0.1534	0.4142
0.85	282.0	0.0284	0.4507
0.85	294.0	-0.2213	0.4296
0.95	90.0	-0.0548	0.4669
0.95	102.0	0.3975	0.5859
0.95	114.0	1.0223	0.5949
0.95	126.0	0.5676	0.5635
0.95	138.0	0.7202	0.6001
0.95	150.0	-1.3431	0.3321
0.95	234.0	0.1286	0.5057
0.95	246.0	-0.5504	0.4866
0.95	258.0	0.1326	0.4076
0.95	270.0	-0.3118	0.439
0.95	282.0	0.2417	0.5451
0.95	294.0	-0.3452	0.5084

CLAS Physics Database