Measurement E151M51

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:	0.2189
Q²:	0.0415 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8671

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	42.0	0.4439	0.6956
0.25	30.0	0.6357	0.6758
0.25	42.0	0.1094	0.4839
0.35	30.0	0.3412	0.5789
0.35	42.0	0.5255	0.4752
0.35	54.0	-0.412	0.6043
0.45	42.0	-0.0398	0.5173
0.45	270.0	0.1665	0.5398
0.45	282.0	-0.1214	0.4699
0.55	246.0	0.2937	0.5033
0.55	258.0	0.6009	0.3646
0.55	270.0	-0.1428	0.3204
0.55	282.0	0.0579	0.3937
0.65	234.0	0.0818	0.4528
0.65	246.0	-0.2768	0.338
0.65	258.0	0.1129	0.3634
0.65	270.0	-0.3237	0.3158
0.65	282.0	0.3079	0.3975
0.75	138.0	-0.2165	0.5102
0.75	150.0	0.5198	0.4543
0.75	162.0	0.1096	0.5098
0.75	174.0	-0.6769	0.5392
0.75	186.0	0.2394	0.5581
0.75	222.0	-0.3368	0.4943
0.75	234.0	0.2277	0.4691
0.75	246.0	0.4989	0.3273
0.75	258.0	-0.4571	0.2879
0.75	270.0	0.2227	0.3163
0.75	282.0	-0.4069	0.3163
0.85	126.0	-0.1201	0.5864
0.85	138.0	0.1906	0.4058
0.85	150.0	0.3402	0.3714
0.85	162.0	0.4597	0.3651
0.85	174.0	-0.2605	0.3702
0.85	186.0	-0.2755	0.3829
0.85	198.0	-0.2794	0.4116
0.85	210.0	0.8188	0.611
0.85	234.0	-0.3813	0.381
0.85	246.0	-0.2899	0.3657
0.85	258.0	-0.3689	0.2845
0.85	270.0	0.0359	0.3175
0.85	282.0	-0.5155	0.3504
0.95	150.0	0.2921	0.4502
0.95	186.0	-0.0559	0.4248

CLAS Physics Database