Measurement E151M2579

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:	0.0782
Q²:	0.0348 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.7343

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	42.0	0.2157	0.1787
0.25	54.0	0.1394	0.1906
0.35	30.0	0.2194	0.2448
0.35	42.0	0.1005	0.1655
0.35	54.0	0.3256	0.1837
0.45	18.0	-0.316	0.2465
0.45	30.0	0.0131	0.1884
0.45	42.0	-0.2941	0.1683
0.45	54.0	0.109	0.1736
0.45	258.0	0.0141	0.2637
0.55	42.0	-0.0478	0.1911
0.55	54.0	0.0856	0.2169
0.55	150.0	-0.3006	0.2346
0.55	222.0	0.0859	0.2509
0.55	234.0	-0.0002	0.2016
0.55	246.0	-0.0013	0.1715
0.55	258.0	-0.2425	0.1574
0.55	270.0	-0.721	0.1908
0.65	138.0	-0.0914	0.2184
0.65	150.0	-0.0551	0.229
0.65	162.0	-0.1861	0.2223
0.65	174.0	0.3242	0.2352
0.65	186.0	-0.2378	0.2424
0.65	222.0	-0.1621	0.181
0.65	234.0	-0.0258	0.142
0.65	246.0	-0.1451	0.1441
0.65	258.0	-0.2149	0.1647
0.65	270.0	-0.0669	0.2212
0.75	138.0	0.2074	0.1853
0.75	150.0	-0.2614	0.1952
0.75	162.0	0.3942	0.1617
0.75	174.0	0.1807	0.2126
0.75	222.0	-0.0789	0.2101
0.75	234.0	0.1585	0.1427
0.75	246.0	0.2421	0.1422
0.75	258.0	-0.2053	0.1364
0.75	270.0	-0.1629	0.1891
0.85	150.0	-0.1329	0.2634
0.85	162.0	0.2697	0.2474
0.85	174.0	0.2362	0.2256
0.85	210.0	-0.0732	0.2423
0.85	222.0	0.3837	0.1964
0.85	234.0	0.1983	0.1557
0.85	246.0	-0.0267	0.1544
0.85	258.0	-0.3119	0.1478
0.85	270.0	0.0595	0.1796
0.95	126.0	0.1908	0.2493
0.95	234.0	-0.1468	0.259
0.95	246.0	-0.1977	0.216
0.95	258.0	-0.2896	0.2451

CLAS Physics Database