Measurement E151M49

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:	0.1608
Q²:	0.0291 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8787

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	42.0	0.5418	0.5791
0.25	30.0	-0.0515	0.6743
0.25	42.0	0.9864	0.553
0.25	54.0	0.9822	0.649
0.35	30.0	-0.6307	0.4386
0.35	42.0	0.4254	0.4645
0.35	54.0	0.6438	0.5213
0.45	30.0	1.0803	0.5973
0.45	42.0	-0.7111	0.3707
0.45	54.0	0.5357	0.5297
0.45	270.0	-0.3931	0.4624
0.45	282.0	-0.5175	0.5906
0.55	54.0	-0.2706	0.6649
0.55	234.0	-0.1899	0.6249
0.55	246.0	0.3412	0.3929
0.55	258.0	0.1913	0.3303
0.55	270.0	-0.4796	0.2996
0.55	282.0	0.1858	0.3951
0.65	150.0	0.9322	0.6774
0.65	162.0	0.7157	0.7021
0.65	234.0	-0.0247	0.4511
0.65	246.0	0.0765	0.3509
0.65	258.0	-0.0401	0.2727
0.65	270.0	0.2584	0.3242
0.65	282.0	-0.1783	0.4053
0.75	138.0	-0.0454	0.6415
0.75	150.0	0.4566	0.4552
0.75	162.0	0.4758	0.4349
0.75	174.0	-0.5602	0.3857
0.75	186.0	0.0001	0.4241
0.75	198.0	0.1714	0.5537
0.75	210.0	-0.2669	0.5488
0.75	222.0	-0.3076	0.5056
0.75	234.0	-0.1242	0.3683
0.75	246.0	-0.4389	0.2884
0.75	258.0	0.3004	0.268
0.75	270.0	-0.1498	0.2969
0.75	282.0	-1.0111	0.2847
0.85	126.0	0.8867	0.6477
0.85	138.0	-0.0492	0.4245
0.85	150.0	-0.2702	0.344
0.85	162.0	0.0	0.3354
0.85	174.0	1.5708	0.4358
0.85	186.0	0.3753	0.4954
0.85	198.0	0.3338	0.5539
0.85	210.0	0.3714	0.5138
0.85	222.0	-0.5456	0.5359
0.85	234.0	-0.4597	0.3923
0.85	246.0	-0.0624	0.352
0.85	258.0	0.2948	0.3027
0.85	270.0	-0.3698	0.3075
0.95	138.0	-0.6476	0.4492
0.95	186.0	0.9287	0.5094

CLAS Physics Database