Measurement E151M2448

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:	0.1373
Q²:	0.0143 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9329

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	258.0	0.1597	0.2194	0.0302
0.55	270.0	-0.1222	0.218	0.0301
0.65	246.0	0.3814	0.2188	0.031
0.65	258.0	0.1108	0.176	0.0301
0.65	270.0	-0.0388	0.1996	0.03
0.75	162.0	-0.0827	0.2629	0.03
0.75	174.0	0.1042	0.261	0.0301
0.75	186.0	-0.1233	0.2227	0.0301
0.75	198.0	-0.0745	0.2362	0.03
0.75	210.0	-0.305	0.2444	0.0306
0.75	222.0	-0.0136	0.2421	0.03
0.75	234.0	0.2582	0.2483	0.0304
0.75	258.0	-0.0312	0.2097	0.03
0.85	174.0	0.4972	0.197	0.0316
0.85	198.0	0.0767	0.2302	0.03

CLAS Physics Database