Measurement E151M3323

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:	0.1699
Q²:	0.1715 GeV²
W:	1565.0 GeV
E_beam:	2.2596 GeV
ε:	0.8519

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	114.0	0.1145	0.2599	0.0301
0.75	114.0	0.3356	0.253	0.0307
0.85	78.0	-0.1673	0.2598	0.0302
0.85	222.0	0.1512	0.2503	0.0302
0.85	246.0	-0.3397	0.2183	0.0308
0.95	258.0	0.0236	0.2443	0.03
0.55	114.0	0.1415	0.2539	0.0301
0.65	126.0	0.3488	0.244	0.0308
0.75	114.0	-0.1957	0.2369	0.0303
0.75	126.0	-0.0305	0.2399	0.03
0.85	78.0	0.0203	0.2607	0.03
0.85	222.0	-0.4822	0.2437	0.0315
0.85	234.0	-0.3896	0.2082	0.031
0.85	246.0	-0.4646	0.2282	0.0314
0.85	258.0	-0.2374	0.255	0.0304
0.95	210.0	0.0133	0.2522	0.03
0.95	258.0	-0.0386	0.2495	0.03

CLAS Physics Database