Measurement E151M368

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:	0.0228
Q²:	0.0143 GeV²
W:	1475.0 GeV
E_beam:	1.3383 GeV
ε:	0.773

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	42.0	-1.1292	0.5415
0.45	222.0	1.8009	1.257
0.45	234.0	0.2248	0.4668
0.55	18.0	-0.647	0.6911
0.55	30.0	-0.3663	0.4271
0.55	42.0	0.2901	0.4755
0.55	54.0	-0.2678	0.9829
0.55	126.0	-0.4189	0.5269
0.55	138.0	-0.8884	0.4132
0.55	150.0	0.0626	1.0337
0.55	210.0	0.6651	0.4264
0.55	222.0	-0.3368	0.3901
0.55	234.0	-0.1123	0.3384
0.55	246.0	-0.2991	0.4706
0.65	126.0	-0.2506	0.4934
0.65	138.0	-1.5193	0.356
0.65	150.0	-0.0628	0.4642
0.65	162.0	-0.0202	0.6941
0.65	210.0	-0.0016	0.4374
0.65	222.0	0.2459	0.4888
0.65	234.0	0.399	0.3504
0.65	246.0	-0.4291	0.4198
0.75	126.0	-0.6187	0.8343
0.75	138.0	-0.1477	0.5496
0.75	150.0	0.4517	0.5685
0.75	210.0	0.3756	0.5066
0.75	222.0	0.0966	0.3169
0.75	234.0	0.0796	0.3797
0.75	246.0	0.53	0.4486
0.85	126.0	-0.9008	0.4986
0.85	150.0	-1.3942	0.5377
0.85	210.0	0.3345	0.4189
0.85	222.0	-0.1613	0.4306
0.85	234.0	0.6898	0.4247
0.85	246.0	0.3145	0.5012

CLAS Physics Database