Measurement E151M150

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:	0.0278
Q²:	0.0143 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.7112

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	1.7668	0.8671
0.25	54.0	0.9451	0.9329
0.35	30.0	-0.1582	0.7944
0.35	42.0	-0.079	0.6367
0.35	54.0	-0.1005	0.5682
0.35	66.0	0.7887	0.7905
0.45	18.0	0.2786	0.8604
0.45	30.0	1.6892	0.722
0.45	42.0	0.5761	0.5636
0.45	54.0	0.2317	0.485
0.45	66.0	1.703	0.7789
0.45	210.0	-0.0101	0.7335
0.45	222.0	0.8614	0.8192
0.45	234.0	1.1434	0.6507
0.45	246.0	0.3045	0.7806
0.55	30.0	0.0191	0.6038
0.55	42.0	-0.1599	0.5344
0.55	54.0	0.8621	0.5019
0.55	138.0	-1.2995	0.557
0.55	150.0	-1.0394	0.5821
0.55	162.0	-0.3825	0.6827
0.55	174.0	0.2822	0.7564
0.55	222.0	-0.0945	0.5562
0.55	234.0	-0.0269	0.5216
0.55	246.0	0.1898	0.6134
0.55	258.0	-0.5408	0.7393
0.65	54.0	0.3638	0.7324
0.65	138.0	-0.9681	0.6896
0.65	150.0	0.3986	0.7326
0.65	162.0	0.304	0.7591
0.65	174.0	-0.5458	0.6252
0.65	210.0	1.3371	0.8679
0.65	222.0	1.1995	0.5966
0.65	234.0	0.2238	0.4323
0.65	246.0	0.6069	0.4347
0.65	258.0	0.696	0.6144
0.75	150.0	-0.1691	0.7483
0.75	162.0	-0.9572	0.5881
0.75	210.0	1.42	0.9053
0.75	222.0	-0.2965	0.5385
0.75	234.0	0.2417	0.5292
0.75	246.0	0.1364	0.4705
0.75	258.0	0.9596	0.6065
0.85	222.0	0.1831	0.627
0.85	234.0	0.2994	0.4981
0.85	246.0	-0.1825	0.459
0.85	258.0	0.3501	0.6223
0.95	234.0	0.5669	0.67

CLAS Physics Database