Measurement E151M380

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:	0.1451
Q²:	0.1205 GeV²
W:	1475.0 GeV
E_beam:	1.3383 GeV
ε:	0.6854

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	138.0	-0.7555	0.647
0.55	222.0	0.7206	0.5155
0.55	234.0	0.714	0.7017
0.55	246.0	0.1496	0.5267
0.55	258.0	0.1067	0.5537
0.65	126.0	-0.4301	0.5173
0.65	138.0	-0.9937	0.4756
0.65	150.0	-0.6045	0.6089
0.65	222.0	0.6713	0.5562
0.65	234.0	0.6317	0.6166
0.65	246.0	0.2249	0.4264
0.65	258.0	0.0518	0.4307
0.75	126.0	-0.8903	0.4446
0.75	138.0	-1.2754	0.4023
0.75	150.0	0.207	0.632
0.75	210.0	-1.0323	0.5943
0.75	222.0	2.0289	1.1767
0.75	234.0	0.017	0.4192
0.75	246.0	0.2535	0.4413
0.75	258.0	0.3028	0.3886
0.85	126.0	-0.4318	0.8609
0.85	150.0	-1.9542	0.48
0.85	234.0	0.2791	0.3667
0.85	246.0	-0.0226	0.3207
0.85	258.0	-0.2152	0.3662
0.85	270.0	0.6276	0.4515
0.95	102.0	0.4131	0.5821
0.95	114.0	-0.8717	0.3652
0.95	246.0	0.6627	0.4463
0.95	258.0	-0.2592	0.4802
0.95	270.0	1.3897	1.0818

CLAS Physics Database