Measurement E151M2518

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:	0.234
Q²:	0.0593 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8216

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.15	54.0	0.2008	0.2542
0.25	30.0	0.2838	0.2528
0.25	42.0	-0.1943	0.2342
0.35	30.0	-0.0063	0.2092
0.35	42.0	-0.0292	0.223
0.45	42.0	0.3728	0.2289
0.45	270.0	0.0205	0.2138
0.55	246.0	0.2414	0.1674
0.55	258.0	-0.4886	0.1394
0.55	270.0	0.2019	0.1553
0.55	282.0	-0.1384	0.1758
0.65	234.0	0.1363	0.2022
0.65	246.0	-0.2595	0.1442
0.65	258.0	-0.2463	0.1462
0.65	270.0	-0.4444	0.1439
0.65	282.0	-0.0718	0.1813
0.75	126.0	-0.084	0.2085
0.75	138.0	0.1874	0.1606
0.75	150.0	-0.0252	0.1711
0.75	162.0	0.1654	0.1739
0.75	174.0	-0.1332	0.182
0.75	222.0	-0.0628	0.236
0.75	234.0	0.3434	0.1471
0.75	246.0	0.2816	0.1581
0.75	258.0	-0.0189	0.1446
0.75	270.0	0.1185	0.139
0.75	282.0	0.2643	0.1516
0.85	126.0	0.0452	0.2026
0.85	138.0	0.4447	0.1533
0.85	150.0	-0.0511	0.1632
0.85	162.0	0.1792	0.169
0.85	174.0	-0.4006	0.16
0.85	186.0	-0.207	0.1769
0.85	198.0	-0.2366	0.232
0.85	222.0	-0.4753	0.219
0.85	234.0	-0.0049	0.1835
0.85	246.0	0.0526	0.1368
0.85	258.0	-0.0261	0.1317
0.85	270.0	-0.0852	0.1285
0.85	282.0	-0.3022	0.1452
0.95	114.0	-0.1839	0.2319
0.95	126.0	0.2242	0.2111
0.95	138.0	0.0173	0.1989
0.95	150.0	0.0504	0.1938
0.95	162.0	0.1956	0.1803
0.95	174.0	-0.1328	0.2413
0.95	258.0	-0.236	0.2217
0.95	270.0	-0.0253	0.2247

CLAS Physics Database