Measurement E151M409

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:	0.0308
Q²:	0.0291 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6788

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	18.0	-0.9963	0.6288
0.45	30.0	0.3697	1.0453
0.45	42.0	0.7822	1.2572
0.45	210.0	-0.0141	1.0277
0.45	222.0	0.71	1.2215
0.45	234.0	-0.6268	0.7987
0.55	138.0	0.3178	1.1021
0.55	150.0	-0.6201	0.9003
0.55	210.0	0.0846	0.8874
0.55	222.0	0.0569	0.8754
0.55	234.0	0.0819	0.7729
0.55	246.0	0.7176	1.1944
0.65	138.0	-0.439	0.9177
0.65	162.0	-0.0091	1.0665
0.65	210.0	3.7467	3.7467
0.65	222.0	1.7536	0.988
0.65	234.0	0.344	0.8535
0.65	246.0	2.1343	1.1523
0.75	162.0	-1.3252	0.568
0.75	210.0	2.13	1.2191
0.75	222.0	2.3801	2.3801
0.75	234.0	0.4576	0.8428
0.75	246.0	-0.4338	0.7217
0.85	210.0	1.6033	1.3986
0.85	222.0	0.0512	0.7416
0.85	234.0	-0.1559	0.6619
0.85	246.0	0.6306	0.9317
0.95	234.0	3.0422	3.0422
0.35	42.0	0.3817	0.6866
0.45	30.0	-0.2739	0.6033
0.45	42.0	0.1576	0.7108
0.45	222.0	0.5579	0.6798
0.55	138.0	-1.4392	0.5386
0.55	150.0	-0.5742	0.5783
0.55	234.0	0.2241	0.6111
0.65	138.0	-1.8929	0.4701
0.65	150.0	0.4976	0.6214
0.65	162.0	0.5733	0.6923
0.65	210.0	-0.1469	0.6273
0.65	222.0	0.5023	0.6225
0.65	234.0	0.7818	0.5918
0.65	246.0	-0.2694	0.6325
0.75	150.0	-0.9262	0.6568
0.75	162.0	0.0978	0.6676
0.75	210.0	0.5467	0.6415
0.75	222.0	-0.1254	0.6411
0.75	234.0	1.0082	0.5762
0.75	246.0	1.1486	0.5636
0.85	138.0	1.5957	0.5937
0.85	150.0	-1.1036	0.6328
0.85	210.0	0.5544	0.6982
0.85	222.0	-0.3042	0.6182
0.85	234.0	0.7721	0.5744

CLAS Physics Database