Measurement E151M2638

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_LU
ε_L:	0.053
Q²:	0.0496 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.5492

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	42.0	-0.1565	0.2231
0.25	54.0	-0.0932	0.2018
0.35	54.0	-0.0559	0.1924
0.45	42.0	-0.1586	0.223
0.45	54.0	0.4228	0.2075
0.45	234.0	-0.1431	0.2474
0.45	258.0	-0.0721	0.2669
0.55	174.0	-0.1603	0.2297
0.55	222.0	-0.214	0.229
0.55	234.0	-0.0989	0.2131
0.55	246.0	-0.2223	0.1859
0.55	258.0	-0.0432	0.2373
0.55	270.0	0.0817	0.2756
0.65	150.0	0.0969	0.256
0.65	234.0	0.2576	0.1713
0.65	246.0	-0.069	0.1954
0.65	258.0	-0.3349	0.1766
0.75	150.0	-0.0614	0.2637
0.75	234.0	0.008	0.194
0.75	246.0	0.0675	0.176
0.75	258.0	0.0133	0.17
0.75	270.0	-0.261	0.236
0.85	234.0	0.1046	0.1842
0.85	246.0	0.1563	0.161
0.85	258.0	-0.1614	0.2032
0.85	270.0	-0.4395	0.2218

CLAS Physics Database