Measurement E151M2395

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:	0.0416
Q²:	0.0844 GeV²
W:	1805.0 GeV
E_beam:	2.999 GeV
ε:	0.848

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	270.0	0.0417	0.9799
0.55	138.0	0.0776	1.1673
0.65	126.0	-1.1627	0.8551
0.65	138.0	-0.1788	1.0518
0.65	198.0	-0.5758	1.0888
0.65	210.0	0.002	1.0688
0.65	270.0	-0.3785	0.9257
0.65	282.0	-0.3767	0.9968
0.75	90.0	-0.4606	1.0214
0.75	102.0	-1.1735	0.7764
0.75	114.0	-0.0528	1.0427
0.75	186.0	-0.1381	1.0606
0.75	198.0	-1.7885	0.7614
0.75	210.0	-2.0499	0.7948
0.75	222.0	0.3965	0.9458
0.75	258.0	1.9396	0.9875
0.75	270.0	-0.6527	0.8687
0.75	282.0	-1.4168	0.7658
0.85	90.0	-0.4821	0.9483
0.85	102.0	-0.0515	0.812
0.85	114.0	-1.1844	0.8419
0.85	126.0	0.1691	0.8917
0.85	138.0	0.0242	0.9793
0.85	174.0	0.6709	0.9669
0.85	186.0	0.8754	0.8048
0.85	198.0	-0.238	0.7019
0.85	210.0	0.295	0.6771
0.85	222.0	0.5024	0.8923
0.85	234.0	1.8331	1.0165
0.85	270.0	0.8313	1.0115
0.85	282.0	0.1597	0.9112
0.95	210.0	-2.0094	0.9573
0.95	222.0	1.5229	0.8674

CLAS Physics Database