Measurement E151M306

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_UL
ε_L:	0.4054
Q²:	0.205 GeV²
W:	1355.0 GeV
E_beam:	1.3383 GeV
ε:	0.7564

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	126.0	0.8303	1.2526	0.0583
0.75	138.0	-0.1255	1.0271	0.0309
0.75	234.0	1.6189	1.3241	0.102
0.75	270.0	0.7098	0.8968	0.0522
0.85	126.0	0.7134	1.2265	0.0524
0.85	234.0	-1.0671	0.5771	0.0709
0.85	258.0	-0.4383	0.6626	0.04
0.85	270.0	0.8277	1.0479	0.0582
0.85	294.0	1.7342	1.146	0.1087
0.95	126.0	-0.0527	0.8814	0.0302
0.95	294.0	1.5968	0.9536	0.1007
0.65	270.0	-0.5914	0.5897	0.0473
0.65	282.0	0.1459	0.6449	0.0313
0.75	138.0	0.1309	0.6752	0.0311
0.75	246.0	-0.1422	0.5776	0.0313
0.75	258.0	-0.5074	0.5404	0.0434
0.75	270.0	0.1945	0.5891	0.0323
0.85	114.0	-0.7352	0.6455	0.0545
0.85	126.0	1.463	0.5626	0.0954
0.85	138.0	-0.1868	0.646	0.0322
0.85	150.0	0.4732	0.6871	0.0419
0.85	258.0	-0.9252	0.5265	0.0647
0.85	270.0	-0.3096	0.5809	0.0356
0.85	282.0	0.3983	0.571	0.0388
0.85	294.0	-0.3053	0.6236	0.0355
0.95	78.0	0.1356	0.5946	0.0312

CLAS Physics Database