Measurement E151M2580

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:	0.0912
Q²:	0.0415 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.7263

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	42.0	0.3356	0.1848
0.25	54.0	0.1731	0.2415
0.35	30.0	-0.0303	0.2306
0.35	42.0	-0.1024	0.1796
0.35	54.0	0.2746	0.2115
0.45	30.0	0.0941	0.2013
0.45	42.0	-0.1408	0.1576
0.45	54.0	0.5235	0.175
0.55	54.0	0.3706	0.2176
0.55	234.0	-0.1768	0.1985
0.55	246.0	0.2585	0.1677
0.55	258.0	-0.0542	0.158
0.55	270.0	0.1596	0.2108
0.65	138.0	0.3279	0.2425
0.65	150.0	0.1168	0.2156
0.65	162.0	0.4124	0.2162
0.65	222.0	-0.2091	0.1769
0.65	234.0	-0.2097	0.147
0.65	246.0	0.153	0.1371
0.65	258.0	-0.1542	0.1424
0.65	270.0	-0.1162	0.1988
0.75	138.0	0.1199	0.2208
0.75	150.0	0.3941	0.1675
0.75	162.0	-0.3206	0.2262
0.75	174.0	0.507	0.2109
0.75	186.0	0.0008	0.2595
0.75	222.0	-0.1207	0.1981
0.75	234.0	-0.0037	0.1563
0.75	246.0	-0.4898	0.143
0.75	258.0	0.0564	0.1424
0.75	270.0	0.1757	0.1972
0.85	126.0	0.1399	0.2487
0.85	150.0	-0.1736	0.2248
0.85	162.0	-0.024	0.2084
0.85	174.0	0.2958	0.2348
0.85	222.0	0.0031	0.1986
0.85	234.0	0.1007	0.167
0.85	246.0	-0.1243	0.1586
0.85	258.0	-0.0565	0.142
0.85	270.0	-0.0768	0.1671
0.95	246.0	0.3598	0.2408
0.95	258.0	0.1404	0.2414

CLAS Physics Database