Measurement E151M2175

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:	1.1298
Q²:	0.2915 GeV²
W:	1235.0 GeV
E_beam:	2.999 GeV
ε:	0.9649

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.15	66.0	0.2071	0.6801
0.25	66.0	-0.0351	0.6
0.25	294.0	0.2641	0.7184
0.35	66.0	0.662	0.5859
0.35	282.0	-0.4825	0.6476
0.35	294.0	-0.0702	0.612
0.45	270.0	-0.95	0.7724
0.45	282.0	0.3142	0.5881
0.45	294.0	-0.2356	0.4862
0.55	78.0	-0.6633	0.7674
0.55	282.0	-0.3441	0.56
0.55	294.0	-0.4817	0.472
0.65	66.0	0.469	0.651
0.65	78.0	2.0331	0.4513
0.65	90.0	0.9333	0.6106
0.65	270.0	-0.0309	0.5257
0.65	282.0	0.3201	0.4536
0.65	294.0	-0.0031	0.4453
0.65	306.0	-0.0181	0.7068
0.75	54.0	0.8594	0.7051
0.75	66.0	0.1111	0.5369
0.75	78.0	0.1103	0.5857
0.75	90.0	-0.2225	0.5605
0.75	102.0	-1.1075	0.5508
0.75	258.0	0.1163	0.768
0.75	270.0	0.6392	0.5496
0.75	282.0	-0.2871	0.4433
0.75	294.0	0.1923	0.467
0.75	306.0	1.0884	0.5433
0.85	54.0	-0.7686	0.554
0.85	66.0	-0.3954	0.4503
0.85	78.0	0.1011	0.431
0.85	90.0	0.6276	0.4281
0.85	102.0	0.6819	0.4818
0.85	114.0	0.148	0.6165
0.85	246.0	-0.6523	0.7234
0.85	258.0	0.6353	0.6124
0.85	270.0	-1.0122	0.5102
0.85	282.0	-0.5679	0.4501
0.85	294.0	-0.1122	0.5022
0.85	306.0	0.0611	0.4702
0.95	42.0	-0.0064	0.698
0.95	54.0	0.9113	0.5265
0.95	66.0	-0.0476	0.5938
0.95	78.0	0.3652	0.5023
0.95	90.0	-0.369	0.6091
0.95	102.0	0.2625	0.5312
0.95	114.0	-0.3005	0.58
0.95	126.0	0.6368	0.5596
0.95	138.0	-0.6426	0.6806
0.95	258.0	0.1902	0.6766
0.95	282.0	0.9909	0.6481
0.95	294.0	-0.2415	0.6429

CLAS Physics Database