Measurement E151M1392

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_LL
ε_L:	0.0263
Q²:	0.0171 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.6539

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	30.0	-1.579	0.7719
0.25	42.0	-0.897	0.7481
0.25	54.0	-1.3953	0.7938
0.35	42.0	0.0556	0.5654
0.35	54.0	-1.1717	0.5965
0.35	66.0	1.1217	0.9283
0.45	30.0	0.0329	0.8177
0.45	42.0	-0.4591	0.6033
0.45	54.0	-0.699	0.5422
0.45	66.0	1.486	0.7191
0.45	222.0	-1.5897	0.7108
0.45	234.0	-1.3589	0.6373
0.45	246.0	-0.6175	0.6544
0.45	258.0	0.117	0.8392
0.55	30.0	-0.3343	0.7367
0.55	42.0	-0.2039	0.6522
0.55	54.0	0.2519	0.5967
0.55	66.0	0.6405	0.8981
0.55	150.0	0.4408	0.9076
0.55	162.0	0.4218	0.7162
0.55	174.0	-0.4969	0.8705
0.55	210.0	-0.1058	0.7239
0.55	222.0	-0.8202	0.6033
0.55	234.0	-0.5142	0.5384
0.55	246.0	-1.0831	0.4751
0.55	258.0	-0.2984	0.6812
0.65	150.0	0.159	0.6903
0.65	162.0	-0.9832	0.7729
0.65	210.0	-1.8451	0.7683
0.65	222.0	-0.1914	0.5325
0.65	234.0	-0.4506	0.5013
0.65	246.0	0.1591	0.4903
0.65	258.0	-0.4444	0.6399
0.75	150.0	0.4947	0.7831
0.75	162.0	-1.0733	0.7228
0.75	210.0	1.0917	0.8604
0.75	222.0	-0.4988	0.5833
0.75	234.0	-0.025	0.5763
0.75	246.0	-0.0674	0.5027
0.75	258.0	0.3371	0.5813
0.85	210.0	-0.7603	0.771
0.85	222.0	-0.0495	0.6611
0.85	234.0	-0.1955	0.5779
0.85	246.0	-0.5682	0.487
0.85	258.0	-0.5666	0.596
0.95	234.0	-0.2454	0.6521

CLAS Physics Database