Measurement E151M3403

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_LU
ε_L:	0.6625
Q²:	0.1435 GeV²
W:	1265.0 GeV
E_beam:	2.999 GeV
ε:	0.9771

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	66.0	0.0596	0.2689
0.35	66.0	-0.0821	0.2337
0.35	78.0	0.1271	0.2561
0.45	282.0	0.0137	0.312
0.55	270.0	0.1037	0.2026
0.55	282.0	-0.2579	0.2081
0.55	294.0	0.2509	0.2535
0.65	258.0	0.4752	0.2135
0.65	270.0	0.5308	0.196
0.65	282.0	-0.277	0.1638
0.65	294.0	-0.1713	0.2439
0.75	78.0	-0.017	0.2754
0.75	90.0	0.5555	0.1988
0.75	102.0	-0.4329	0.2201
0.75	258.0	-0.3054	0.2079
0.75	270.0	-0.0112	0.1944
0.75	282.0	-0.2602	0.1904
0.75	294.0	-0.0155	0.2006
0.85	78.0	0.1653	0.2046
0.85	90.0	0.1785	0.2033
0.85	102.0	0.2041	0.1662
0.85	114.0	-0.277	0.189
0.85	126.0	-0.4177	0.2337
0.85	246.0	0.0937	0.2259
0.85	258.0	-0.031	0.2298
0.85	270.0	-0.0712	0.1918
0.85	282.0	-0.1242	0.2107
0.85	294.0	0.2807	0.223
0.95	78.0	-0.1492	0.2274
0.95	90.0	0.0157	0.1966
0.95	102.0	0.3239	0.2167
0.95	114.0	0.0103	0.2
0.95	126.0	-0.1091	0.1958
0.95	138.0	0.0757	0.2326
0.95	246.0	-0.0654	0.2813
0.95	258.0	-0.0266	0.2097

CLAS Physics Database