Measurement E151M260

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:	0.2202
Q²:	0.0496 GeV²
W:	1295.0 GeV
E_beam:	1.3383 GeV
ε:	0.9028

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	42.0	0.6218	0.44
0.35	30.0	0.6801	0.4272
0.55	258.0	0.3624	0.3353
0.55	270.0	-0.346	0.2786
0.65	138.0	0.8669	0.5668
0.65	234.0	-0.6802	0.3688
0.65	246.0	-0.1842	0.2776
0.65	258.0	-0.3124	0.2494
0.65	270.0	-0.2424	0.2578
0.65	282.0	-0.3343	0.4615
0.75	114.0	0.4626	0.3758
0.75	126.0	0.1764	0.3412
0.75	138.0	0.1773	0.3369
0.75	150.0	-0.0794	0.3665
0.75	162.0	-0.8019	0.3129
0.75	174.0	-0.7003	0.6607
0.75	222.0	-0.0972	0.5443
0.75	234.0	-0.0752	0.3036
0.75	246.0	-0.1442	0.2552
0.75	258.0	-0.0247	0.2223
0.75	270.0	-0.3402	0.2542
0.75	282.0	-0.0323	0.3406
0.85	114.0	-0.4438	0.3381
0.85	126.0	0.2617	0.2843
0.85	138.0	0.459	0.3626
0.85	150.0	-0.3257	0.3212
0.85	162.0	-0.0461	0.2871
0.85	174.0	0.3898	0.3946
0.85	186.0	0.0597	0.3249
0.85	210.0	0.6496	0.9435
0.85	222.0	0.4431	0.4553
0.85	234.0	-0.0709	0.3103
0.85	246.0	-0.1001	0.2268
0.85	258.0	0.045	0.2334
0.85	270.0	-0.2955	0.2465
0.85	282.0	-0.2277	0.2456
0.95	102.0	0.1658	0.3968
0.95	114.0	-0.915	0.371
0.95	126.0	-0.0883	0.3479
0.95	138.0	0.4644	0.907
0.95	150.0	-0.3023	0.4482
0.95	162.0	-0.1611	0.4348
0.95	174.0	-0.3072	0.4381
0.95	186.0	1.1445	0.4052
0.95	234.0	0.9034	0.7391
0.95	246.0	-0.7231	0.2948
0.95	258.0	0.2735	0.3604
0.95	270.0	-0.5609	0.2859

CLAS Physics Database