Measurement E151M852

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:	0.2198
Q²:	0.1715 GeV²
W:	1505.0 GeV
E_beam:	2.2596 GeV
ε:	0.8813

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	66.0	-0.3203	1.425
0.35	294.0	0.6381	1.1945
0.55	102.0	-0.4026	1.4915
0.55	114.0	-0.5639	1.5454
0.65	102.0	1.966	1.5176
0.65	114.0	-1.433	1.3599
0.65	126.0	-0.3281	1.6039
0.65	246.0	1.8729	1.5419
0.65	294.0	0.3176	1.3463
0.75	102.0	-0.8917	1.3536
0.75	114.0	0.1265	1.6019
0.75	126.0	0.0953	1.8004
0.75	198.0	1.3763	1.7391
0.75	222.0	2.8094	1.591
0.75	234.0	-0.5084	1.3784
0.75	246.0	1.4908	1.583
0.75	258.0	-2.2097	1.2022
0.75	294.0	-1.7225	1.1425
0.85	78.0	2.4695	2.0648
0.85	102.0	-2.7127	1.5522
0.85	126.0	-0.8213	1.7233
0.85	138.0	-4.1911	1.4069
0.85	210.0	0.7813	1.8831
0.85	234.0	0.8304	1.5461
0.85	246.0	-1.0655	1.3838
0.85	258.0	-1.4156	1.4182
0.85	270.0	-1.7131	1.4506
0.95	246.0	11.0653	4.9367
0.95	258.0	8.417	4.1578
0.95	270.0	4.6339	4.6088
0.95	282.0	7.9015	4.4433
0.25	294.0	0.4348	0.593
0.35	66.0	-0.6001	0.4726
0.35	282.0	0.6528	0.5956
0.45	282.0	-0.6946	0.4536
0.45	294.0	-0.5057	0.4878
0.55	114.0	-0.6961	0.566
0.65	102.0	0.6655	0.6118
0.65	114.0	-0.7083	0.5239
0.65	234.0	-0.1115	0.6066
0.75	102.0	-0.1695	0.5566
0.75	114.0	-0.2157	0.5803
0.75	126.0	-0.1825	0.6253
0.75	222.0	1.8784	0.5797
0.75	234.0	0.8811	0.7445
0.75	246.0	1.6255	0.6508
0.85	78.0	-0.4441	0.4685
0.85	114.0	-1.2045	0.5614
0.85	126.0	-1.7029	0.4334
0.85	222.0	0.1882	0.705
0.85	234.0	0.0365	0.5846
0.85	246.0	0.8145	0.6434
0.85	258.0	-0.0581	0.6696
0.95	246.0	-0.0007	1.0093
0.95	270.0	0.4167	0.9189
0.95	282.0	0.9308	0.9719

CLAS Physics Database