Measurement E151M760

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:	0.7404
Q²:	0.2445 GeV²
W:	1295.0 GeV
E_beam:	2.2596 GeV
ε:	0.9321

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	270.0	0.9814	1.4298
0.75	90.0	-0.1162	1.6624
0.75	102.0	-1.2243	1.3664
0.75	270.0	-0.5285	1.3705
0.75	294.0	0.3613	1.2985
0.85	90.0	1.7465	1.9336
0.85	102.0	-0.497	1.8294
0.85	114.0	0.5081	1.7278
0.85	270.0	1.5413	1.7349
0.85	282.0	0.1045	1.6138
0.95	90.0	-5.5479	4.0012
0.95	282.0	8.0135	4.8432
0.95	306.0	-0.2719	4.3432
0.55	270.0	-0.2504	0.5036
0.65	282.0	0.0795	0.5064
0.75	90.0	-0.2022	0.4417
0.75	102.0	0.3571	0.473
0.75	246.0	0.9607	0.6056
0.75	270.0	0.4931	0.5182
0.75	282.0	-0.01	0.4613
0.75	294.0	0.4101	0.5179
0.85	78.0	0.8201	0.5064
0.85	90.0	0.7069	0.5363
0.85	102.0	-0.775	0.4568
0.85	114.0	-0.6783	0.5116
0.85	246.0	0.4639	0.6277
0.85	258.0	0.23	0.5077
0.85	270.0	-0.291	0.4156
0.85	282.0	-0.1387	0.4444
0.85	294.0	-0.3584	0.4074
0.85	306.0	0.3008	0.5579
0.95	78.0	0.9973	0.9035
0.95	114.0	0.5608	0.9696
0.95	126.0	-1.0168	0.8184
0.95	306.0	1.812	0.8371

CLAS Physics Database