Measurement E151M68

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:	0.093
Q²:	0.0205 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8603

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	42.0	0.1094	0.6999
0.25	42.0	-0.1933	0.5427
0.25	54.0	-0.0248	0.5925
0.35	42.0	0.3585	0.5398
0.35	54.0	-0.1771	0.4534
0.35	66.0	0.4195	0.7763
0.45	30.0	-0.5971	0.4797
0.45	42.0	0.0513	0.4887
0.45	54.0	1.1593	0.607
0.45	246.0	0.4524	0.6647
0.45	258.0	0.2864	0.638
0.55	42.0	0.0598	0.5521
0.55	54.0	0.374	0.4845
0.55	222.0	-0.3307	0.6348
0.55	234.0	0.1925	0.4385
0.55	246.0	0.1694	0.3906
0.55	258.0	0.1972	0.3513
0.55	270.0	-0.1051	0.385
0.65	150.0	0.2191	0.6056
0.65	162.0	0.5386	0.698
0.65	174.0	0.6545	0.5801
0.65	186.0	-0.213	0.6506
0.65	210.0	0.7863	0.6044
0.65	222.0	0.6543	0.5145
0.65	234.0	-0.1179	0.3747
0.65	246.0	0.0728	0.3035
0.65	258.0	-0.5037	0.2779
0.65	270.0	-0.1548	0.3936
0.75	126.0	1.7544	0.6495
0.75	138.0	0.7892	0.528
0.75	150.0	0.0073	0.4893
0.75	162.0	-0.1304	0.5493
0.75	174.0	0.0878	0.4544
0.75	186.0	-0.0519	0.6266
0.75	198.0	-0.3318	0.5929
0.75	210.0	-0.6063	0.4819
0.75	222.0	-0.8607	0.4263
0.75	234.0	-0.1747	0.3531
0.75	246.0	0.3746	0.3201
0.75	258.0	0.4173	0.3239
0.75	270.0	-0.0614	0.3844
0.75	282.0	-0.5364	0.5375
0.85	138.0	-0.5428	0.5263
0.85	150.0	0.6706	0.5277
0.85	162.0	-0.0331	0.5322
0.85	174.0	-0.1382	0.5864
0.85	198.0	-0.9589	0.5202
0.85	210.0	0.3544	0.6213
0.85	222.0	0.6423	0.4881
0.85	234.0	0.3621	0.3704
0.85	246.0	-0.4949	0.2907
0.85	258.0	0.4507	0.2967
0.85	270.0	-0.0045	0.3982

CLAS Physics Database