Measurement E151M415

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:	0.0768
Q²:	0.0844 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6289

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	138.0	0.1592	0.673
0.55	234.0	0.1526	0.6457
0.65	162.0	-1.6084	0.5437
0.65	210.0	-1.8754	0.5232
0.65	222.0	0.66	0.6026
0.65	234.0	-0.6061	0.5808
0.65	246.0	-0.0985	0.5804
0.75	150.0	0.1889	0.6851
0.75	210.0	1.4333	0.6862
0.75	222.0	1.1264	0.6261
0.75	246.0	0.121	0.588
0.75	258.0	-0.5402	0.618
0.85	234.0	0.4129	0.6687
0.85	246.0	-0.0289	0.5955
0.85	258.0	0.6521	0.4933
0.95	114.0	-0.5063	0.597
0.95	126.0	-1.2176	0.5014
0.45	246.0	2.0142	1.2974
0.55	222.0	-0.0719	1.0264
0.55	234.0	-0.1289	0.8738
0.55	258.0	1.5445	1.466
0.65	150.0	-1.1958	0.6725
0.65	162.0	-1.2529	0.7071
0.65	210.0	0.7507	1.2487
0.65	222.0	-0.4774	0.8503
0.65	234.0	1.1266	1.1567
0.65	246.0	0.9178	0.9577
0.75	150.0	-1.4342	0.6137
0.75	222.0	1.311	1.1198
0.75	246.0	1.9215	1.2801
0.75	258.0	1.6314	1.3826
0.85	222.0	0.7164	1.1708
0.85	234.0	0.7298	0.9452
0.85	246.0	-0.1657	0.7307
0.85	258.0	1.5988	0.9568
0.95	234.0	-0.5518	0.6819

CLAS Physics Database