Measurement E151M1322

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_LL
ε_L:	0.3089
Q²:	0.1205 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.7217

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.55	258.0	1.1545	0.7246	0.1336
0.55	270.0	0.3216	0.658	0.0471
0.65	246.0	0.3813	0.5831	0.0524
0.65	258.0	0.6006	0.7058	0.0741
0.65	270.0	-0.2396	0.6432	0.0404
0.65	282.0	-0.4076	0.7519	0.0549
0.75	138.0	0.7735	0.7864	0.0923
0.75	150.0	-0.4076	0.8739	0.0549
0.75	246.0	-0.9557	0.6225	0.1119
0.75	258.0	-0.0426	0.7644	0.0304
0.75	270.0	0.5045	0.6611	0.0643
0.75	282.0	1.1127	0.6582	0.129
0.75	294.0	0.6105	0.8301	0.0751
0.85	126.0	1.2286	0.7816	0.1418
0.85	138.0	-0.0147	0.7109	0.03
0.85	150.0	-0.1782	0.7582	0.0361
0.85	162.0	-0.1144	0.72	0.0327
0.85	186.0	1.7699	0.6422	0.2019
0.85	246.0	0.3056	0.7994	0.0457
0.85	258.0	1.4305	0.6033	0.1641
0.85	270.0	0.9821	0.6481	0.1148
0.85	282.0	-0.9701	0.5481	0.1135
0.85	294.0	1.1508	0.6944	0.1332
0.95	102.0	1.5428	0.6547	0.1766
0.95	114.0	-0.3165	0.7915	0.0466
0.95	138.0	0.5133	0.7314	0.0652
0.95	162.0	-0.6894	0.6507	0.0833
0.95	174.0	0.6708	0.6255	0.0814
0.95	258.0	1.9358	1.9358	0.2204

CLAS Physics Database