Measurement E151M878

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:	0.1483
Q²:	0.1435 GeV²
W:	1565.0 GeV
E_beam:	2.2596 GeV
ε:	0.8604

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	234.0	-0.3841	0.7293
0.75	114.0	-0.4596	0.7471
0.75	210.0	-1.0112	0.6033
0.75	222.0	0.2757	0.7625
0.85	90.0	0.4197	0.9747
0.85	222.0	0.4422	0.8709
0.85	234.0	0.0363	0.7995
0.85	246.0	1.0917	0.8675
0.85	258.0	-0.9229	0.7365
0.55	126.0	0.2887	0.7341
0.65	102.0	-0.3493	0.7295
0.65	126.0	-1.645	0.5652
0.75	114.0	-0.1216	0.8233
0.75	222.0	1.6575	0.8749
0.75	234.0	0.2348	0.8686
0.75	294.0	0.3272	0.7233
0.85	210.0	1.0371	0.9386
0.85	222.0	-1.1041	0.7679
0.85	234.0	0.9863	0.7603
0.85	246.0	-0.1172	0.7575
0.85	258.0	1.0045	0.9391
0.95	246.0	-0.1072	1.3089
0.95	258.0	0.3155	1.1779

CLAS Physics Database