Measurement E151M407

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:	0.0221
Q²:	0.0205 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	18.0	0.1049	0.6685
0.45	30.0	-0.097	0.6826
0.45	42.0	0.4961	0.5567
0.45	222.0	0.6483	0.5636
0.55	42.0	0.0656	0.5056
0.55	138.0	-0.6518	0.6912
0.55	150.0	-0.0275	0.4833
0.55	162.0	-0.0037	0.7077
0.55	174.0	-0.7169	0.6751
0.55	186.0	0.0905	0.7336
0.55	210.0	-0.4323	0.8451
0.55	222.0	1.0102	0.503
0.55	234.0	-0.3131	0.4047
0.55	246.0	-0.5731	0.5206
0.65	138.0	-1.2633	0.408
0.65	162.0	-0.6762	0.4591
0.65	210.0	1.1258	0.5936
0.65	222.0	0.3012	0.4453
0.65	234.0	1.502	0.4563
0.75	138.0	-0.7383	0.8639
0.75	150.0	-1.5403	0.5369
0.75	210.0	1.5696	0.5787
0.75	222.0	0.2561	0.4538
0.75	234.0	0.2694	0.4236
0.85	126.0	-0.0157	0.6237
0.85	138.0	-0.5923	0.5454
0.85	210.0	1.1717	0.5648
0.85	222.0	1.0085	0.6063
0.85	234.0	1.1317	0.5896
0.75	246.0	-0.1872	0.6813
0.85	126.0	-1.0373	0.7152
0.85	222.0	0.2352	0.9544
0.85	234.0	-0.6625	0.7597

CLAS Physics Database