Measurement E151M2544

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:	0.3089
Q²:	0.1205 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.7217

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	258.0	-0.0286	0.2201
0.55	270.0	-0.1555	0.1942
0.65	246.0	-0.0352	0.173
0.65	258.0	-0.2138	0.2106
0.65	270.0	-0.1455	0.1888
0.65	282.0	-0.3691	0.2088
0.75	138.0	-0.0577	0.2208
0.75	150.0	0.1839	0.2371
0.75	246.0	-0.2711	0.187
0.75	258.0	0.0695	0.2254
0.75	270.0	-0.0722	0.1995
0.75	282.0	-0.2416	0.204
0.75	294.0	-0.0221	0.2524
0.85	126.0	0.0474	0.2281
0.85	138.0	0.0492	0.2052
0.85	150.0	0.0619	0.2195
0.85	162.0	-0.1481	0.2031
0.85	186.0	0.0438	0.2158
0.85	246.0	-0.0258	0.2496
0.85	258.0	-0.2226	0.2015
0.85	270.0	-0.0407	0.2114
0.85	282.0	-0.3793	0.1737
0.85	294.0	0.073	0.232
0.95	102.0	-0.033	0.2577
0.95	114.0	0.1269	0.2624
0.95	138.0	-0.3051	0.2398
0.95	162.0	-0.0992	0.236
0.95	174.0	0.3694	0.2217
0.95	258.0	0.0838	0.2526

CLAS Physics Database