Measurement E151M3311

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:	0.2191
Q²:	0.205 GeV²
W:	1535.0 GeV
E_beam:	2.2596 GeV
ε:	0.8575

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	114.0	0.0393	0.2315	0.03
0.75	234.0	0.4736	0.215	0.0315
0.85	78.0	0.1266	0.2564	0.0301
0.85	234.0	-0.1034	0.2532	0.0301
0.85	246.0	0.5864	0.2259	0.0322
0.95	90.0	-0.3008	0.2432	0.0306
0.95	258.0	-0.3263	0.2325	0.0307
0.95	270.0	-0.4401	0.2416	0.0313
0.95	282.0	0.2275	0.2299	0.0303
0.35	282.0	0.2736	0.2519	0.0305
0.45	282.0	0.3763	0.1944	0.0309
0.65	102.0	0.0143	0.2303	0.03
0.65	126.0	-0.1656	0.2534	0.0302
0.75	114.0	-0.0127	0.2316	0.03
0.75	222.0	-0.1199	0.2399	0.0301
0.85	126.0	0.278	0.2566	0.0305
0.85	234.0	-0.7211	0.1846	0.0333
0.85	246.0	0.0321	0.2652	0.03
0.85	258.0	-0.2764	0.2173	0.0305
0.85	270.0	-0.3046	0.2441	0.0306
0.95	246.0	-0.0757	0.2345	0.03
0.95	258.0	-0.2269	0.2573	0.0303
0.95	282.0	0.1744	0.2582	0.0302

CLAS Physics Database