Measurement E151M52

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:	0.2536
Q²:	0.0496 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8595

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	42.0	1.1483	0.6516
0.25	42.0	-0.1394	0.499
0.35	30.0	0.3748	0.6131
0.35	42.0	0.2077	0.4925
0.35	54.0	-0.6078	0.5996
0.45	42.0	0.9896	0.6818
0.45	270.0	0.5666	0.5545
0.45	282.0	0.3285	0.4419
0.55	246.0	-1.4564	0.3434
0.55	258.0	0.4976	0.4609
0.55	270.0	0.478	0.3573
0.55	282.0	0.6529	0.4134
0.65	234.0	-0.1596	0.484
0.65	246.0	0.0847	0.3613
0.65	258.0	0.025	0.3207
0.65	270.0	-0.0637	0.3038
0.65	282.0	0.1563	0.3483
0.75	138.0	-0.1594	0.4686
0.75	150.0	0.6754	0.4991
0.75	162.0	-0.0981	0.455
0.75	174.0	-0.6721	0.5015
0.75	186.0	-0.0848	0.5767
0.75	198.0	0.7824	0.5904
0.75	210.0	-0.298	0.5663
0.75	234.0	0.0958	0.5152
0.75	246.0	0.1816	0.3444
0.75	258.0	0.2146	0.3023
0.75	270.0	-0.3316	0.3152
0.75	282.0	-0.1201	0.3717
0.75	294.0	-0.0386	0.5327
0.85	126.0	-0.2593	0.4313
0.85	138.0	-0.3026	0.3984
0.85	150.0	0.1908	0.3807
0.85	162.0	0.5633	0.3978
0.85	174.0	-0.0705	0.3861
0.85	186.0	0.0293	0.4008
0.85	198.0	0.0383	0.4184
0.85	210.0	0.0536	0.5107
0.85	234.0	-0.2884	0.4034
0.85	246.0	-0.0098	0.3503
0.85	258.0	-0.3353	0.2974
0.85	270.0	-0.1133	0.3468
0.85	282.0	-0.2145	0.421
0.95	114.0	-0.6432	0.4199
0.95	138.0	0.3038	0.451
0.95	150.0	-0.2652	0.3856
0.95	162.0	0.6295	0.4857
0.95	174.0	-0.2109	0.3902
0.95	186.0	0.131	0.4136
0.95	198.0	0.2279	0.4431
0.95	222.0	-0.3929	0.4494
0.95	258.0	-0.5192	0.4237

CLAS Physics Database