Measurement E151M2108

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_LL
ε_L:	0.0718
Q²:	0.0707 GeV²
W:	1595.0 GeV
E_beam:	2.2596 GeV
ε:	0.8664

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	282.0	-0.0764	0.6803
0.55	114.0	0.2985	0.9086
0.55	126.0	-0.4137	0.7231
0.55	210.0	-1.9861	0.7601
0.55	258.0	-0.3133	0.8092
0.65	66.0	-0.5711	0.7849
0.65	114.0	-0.3439	0.9604
0.65	126.0	0.6698	0.8406
0.65	138.0	-0.2099	0.8277
0.65	210.0	-0.334	0.7448
0.65	222.0	-0.5427	0.6388
0.65	294.0	0.3996	0.7059
0.75	126.0	0.6769	0.7567
0.75	138.0	-0.2166	0.8291
0.75	150.0	-1.3971	0.9389
0.75	210.0	0.0352	0.801
0.75	222.0	-0.777	0.8821
0.75	234.0	1.151	0.7389
0.75	270.0	0.943	0.7197
0.75	282.0	0.4944	0.7983
0.75	294.0	-0.5363	0.6459
0.85	102.0	0.0694	1.0458
0.85	114.0	-0.0751	0.9932
0.85	210.0	0.598	0.8196
0.85	222.0	-1.1361	0.8417
0.85	234.0	-0.3462	0.8687
0.85	246.0	-2.2801	0.7978
0.85	270.0	-0.9825	0.8245
0.95	222.0	-0.3452	2.9193
0.95	234.0	-1.8194	2.5793
0.35	282.0	-0.6231	0.7785
0.45	126.0	-0.6803	0.9323
0.45	282.0	0.0086	0.6689
0.55	126.0	1.6601	0.7396
0.55	138.0	-0.2901	0.8301
0.55	270.0	0.3608	0.779
0.65	114.0	-0.5315	0.7094
0.65	126.0	0.3894	0.7435
0.65	210.0	0.1257	1.0108
0.65	234.0	0.6293	0.8321
0.65	282.0	1.7085	0.7105
0.65	294.0	-1.0557	0.7258
0.75	114.0	0.2599	0.994
0.75	126.0	1.3407	0.7369
0.75	138.0	-0.5405	0.8202
0.75	198.0	-1.1384	0.9701
0.75	210.0	0.2858	0.9718
0.75	222.0	1.0458	0.8431
0.75	234.0	0.5603	0.8302
0.75	270.0	1.223	0.931
0.75	282.0	0.2596	0.6346
0.85	90.0	0.8842	0.9267
0.85	102.0	-0.2936	0.6972
0.85	114.0	-2.3336	0.6908
0.85	198.0	0.2238	1.0248
0.85	210.0	-0.1041	0.8738
0.85	222.0	1.1883	0.8019
0.85	234.0	-0.9819	0.9009
0.85	246.0	-0.1953	0.8551

CLAS Physics Database