Measurement E151M2549

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:	0.0217
Q²:	0.0071 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.8079

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	42.0	-0.0977	0.2239
0.45	54.0	-0.1947	0.2283
0.55	42.0	-0.323	0.2448
0.55	54.0	-0.0791	0.2313
0.55	222.0	-0.4935	0.2141
0.55	234.0	-0.013	0.2215
0.55	246.0	-0.2958	0.2322
0.65	30.0	-0.2713	0.2293
0.65	42.0	-0.5022	0.1942
0.65	54.0	0.485	0.2195
0.65	234.0	-0.1784	0.1713
0.65	246.0	0.0856	0.1794
0.75	222.0	0.0553	0.2192
0.75	234.0	-0.0447	0.1858
0.75	246.0	0.0734	0.208
0.75	258.0	0.3833	0.2292
0.85	222.0	-0.0932	0.2339
0.85	234.0	-0.19	0.2101
0.85	246.0	-0.3896	0.1789

CLAS Physics Database