Measurement E151M3611

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:	0.1128
Q²:	0.2445 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8281

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.75	198.0	-0.401	0.2749
0.85	78.0	0.1789	0.2597
0.85	102.0	-0.1213	0.2482
0.85	186.0	0.5164	0.2532
0.85	198.0	0.2477	0.2295
0.85	210.0	0.1405	0.2235
0.85	222.0	-0.2762	0.231
0.85	234.0	-0.1894	0.2185
0.85	246.0	0.0018	0.2813
0.95	198.0	-0.1796	0.2761
0.95	210.0	-0.3699	0.2214
0.95	222.0	-0.1343	0.2388
0.95	234.0	0.257	0.2475
0.95	246.0	0.2405	0.233

CLAS Physics Database