Measurement E151M2843

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:	0.1204
Q²:	0.1205 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.6429

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	222.0	0.5618	0.2665	0.032
0.65	126.0	0.035	0.2903	0.03
0.65	138.0	-0.5169	0.2423	0.0317
0.65	222.0	0.1599	0.2537	0.0302
0.65	234.0	0.5722	0.2253	0.0321
0.65	246.0	-0.0141	0.2063	0.03
0.75	126.0	0.2157	0.2194	0.0303
0.75	138.0	-0.547	0.2375	0.0319
0.75	222.0	-0.1989	0.2043	0.0303
0.75	246.0	-0.0551	0.2715	0.03
0.85	234.0	-0.2255	0.2158	0.0303
0.85	246.0	0.0355	0.2301	0.03
0.85	258.0	-0.3939	0.2493	0.031
0.95	270.0	0.3276	0.2707	0.0307
0.55	234.0	-0.8051	0.1731	0.034
0.65	210.0	0.2971	0.36	0.0306
0.65	222.0	-0.5277	0.279	0.0318
0.65	234.0	0.4586	0.3218	0.0314
0.65	246.0	-0.1761	0.3329	0.0302
0.75	138.0	0.364	0.351	0.0309
0.75	258.0	-0.4502	0.3166	0.0313
0.85	222.0	-0.9176	0.1284	0.0352
0.85	234.0	0.0965	0.3614	0.0301
0.85	246.0	-0.1743	0.3386	0.0302
0.85	258.0	0.4387	0.265	0.0313
0.95	246.0	-0.2546	0.4535	0.0304
0.95	270.0	-0.4116	0.3906	0.0311

CLAS Physics Database