Measurement E151M1294

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:	0.1748
Q²:	0.0415 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8393

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	42.0	-1.2998	0.7468
0.25	54.0	-1.027	0.8214
0.35	30.0	-0.7834	0.7164
0.35	42.0	-0.3466	0.7193
0.45	30.0	-0.4455	0.8569
0.45	42.0	0.2749	0.6826
0.45	270.0	-0.7728	0.614
0.55	246.0	0.0444	0.492
0.55	258.0	0.0381	0.476
0.55	270.0	-0.3927	0.4729
0.55	282.0	-0.4538	0.7574
0.65	138.0	0.4278	0.7692
0.65	150.0	0.6676	0.8396
0.65	222.0	0.922	0.7204
0.65	234.0	0.6691	0.5298
0.65	246.0	-0.2282	0.4606
0.65	258.0	0.6025	0.4021
0.65	270.0	0.4666	0.4241
0.65	282.0	0.5151	0.5676
0.75	126.0	-0.6812	0.8178
0.75	138.0	0.2391	0.6424
0.75	150.0	1.2157	0.5579
0.75	162.0	0.1136	0.5155
0.75	174.0	0.0734	0.5878
0.75	186.0	0.0678	0.6264
0.75	198.0	-0.5758	0.7674
0.75	210.0	-0.6085	0.7185
0.75	222.0	-0.3727	0.6435
0.75	234.0	-0.0944	0.5459
0.75	246.0	0.4843	0.4096
0.75	258.0	0.0708	0.3729
0.75	270.0	-0.4353	0.4235
0.75	282.0	-0.1907	0.5048
0.85	126.0	-0.5381	0.7451
0.85	138.0	0.5652	0.5848
0.85	150.0	0.5968	0.488
0.85	162.0	0.273	0.5883
0.85	174.0	0.3288	0.5205
0.85	186.0	0.3431	0.6266
0.85	198.0	-0.0782	0.6606
0.85	222.0	-0.1571	0.6447
0.85	234.0	0.6202	0.4815
0.85	246.0	0.5105	0.3997
0.85	258.0	0.6419	0.3822
0.85	270.0	-0.4742	0.3888
0.85	282.0	1.463	0.514
0.95	114.0	0.4576	0.5952
0.95	138.0	-0.3363	0.587
0.95	150.0	-0.0313	0.592
0.95	162.0	0.322	0.6392
0.95	186.0	0.3816	0.5612
0.95	246.0	-0.8185	0.5022

CLAS Physics Database