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
0.55	258.0	1.1545	0.7246
0.55	270.0	0.3216	0.658
0.65	246.0	0.3813	0.5831
0.65	258.0	0.6006	0.7058
0.65	270.0	-0.2396	0.6432
0.65	282.0	-0.4076	0.7519
0.75	138.0	0.7735	0.7864
0.75	150.0	-0.4076	0.8739
0.75	246.0	-0.9557	0.6225
0.75	258.0	-0.0426	0.7644
0.75	270.0	0.5045	0.6611
0.75	282.0	1.1127	0.6582
0.75	294.0	0.6105	0.8301
0.85	126.0	1.2286	0.7816
0.85	138.0	-0.0147	0.7109
0.85	150.0	-0.1782	0.7582
0.85	162.0	-0.1144	0.72
0.85	186.0	1.7699	0.6422
0.85	246.0	0.3056	0.7994
0.85	258.0	1.4305	0.6033
0.85	270.0	0.9821	0.6481
0.85	282.0	-0.9701	0.5481
0.85	294.0	1.1508	0.6944
0.95	102.0	1.5428	0.6547
0.95	114.0	-0.3165	0.7915
0.95	138.0	0.5133	0.7314
0.95	162.0	-0.6894	0.6507
0.95	174.0	0.6708	0.6255
0.95	258.0	1.9358	1.9358

CLAS Physics Database