Measurement E151M1408

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:	0.0149
Q²:	0.0121 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.6004

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	30.0	0.0271	0.9335
0.35	42.0	-1.0816	0.6822
0.35	54.0	-1.5283	0.5008
0.35	66.0	-1.9101	0.6023
0.45	42.0	-0.3346	0.6663
0.45	54.0	0.9532	0.5469
0.45	66.0	0.2587	0.817
0.45	210.0	-1.6274	0.8412
0.45	222.0	-0.0024	0.7701
0.45	234.0	-0.4835	0.7328
0.45	246.0	-0.5614	0.7548
0.45	258.0	-0.6577	0.8575
0.55	30.0	0.8202	0.8573
0.55	42.0	-0.7744	0.7481
0.55	54.0	0.2891	0.7514
0.55	150.0	-0.667	0.7806
0.55	174.0	-1.0179	0.734
0.55	222.0	-1.7478	0.6296
0.55	234.0	-0.1176	0.6579
0.55	246.0	0.513	0.6083
0.65	42.0	0.1414	0.7721
0.65	54.0	-0.1486	0.8682
0.65	162.0	-0.2297	0.7391
0.65	174.0	-0.5389	0.779
0.65	210.0	-0.0749	0.8572
0.65	222.0	1.4272	0.662
0.65	234.0	-0.5864	0.6257
0.65	246.0	-0.5258	0.6167
0.65	258.0	0.1033	0.6968
0.75	222.0	0.7154	0.6815
0.75	234.0	0.0056	0.6647
0.75	246.0	-0.1035	0.5892
0.85	222.0	-0.0379	0.5947
0.85	234.0	-1.149	0.4955
0.85	246.0	-0.5123	0.6166

CLAS Physics Database