Measurement E151M2542

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:	0.2457
Q²:	0.0844 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.761

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	42.0	-0.3621	0.2114
0.45	270.0	0.1468	0.2534
0.55	246.0	0.0893	0.2038
0.55	258.0	0.2547	0.1713
0.55	270.0	-0.1966	0.1616
0.55	282.0	-0.03	0.2286
0.65	234.0	-0.1088	0.1781
0.65	246.0	-0.0902	0.1549
0.65	258.0	0.0961	0.1467
0.65	270.0	0.1551	0.148
0.65	282.0	-0.0014	0.2067
0.75	126.0	-0.1805	0.2369
0.75	138.0	-0.0246	0.2352
0.75	150.0	0.1271	0.1881
0.75	162.0	0.1514	0.2225
0.75	174.0	-0.0712	0.2483
0.75	198.0	0.0518	0.2533
0.75	234.0	-0.2523	0.1815
0.75	246.0	0.1876	0.139
0.75	258.0	-0.3756	0.1376
0.75	270.0	-0.381	0.1523
0.75	282.0	-0.1479	0.1591
0.85	126.0	0.3831	0.1602
0.85	138.0	0.3431	0.1771
0.85	150.0	-0.2867	0.1443
0.85	162.0	0.2504	0.1934
0.85	174.0	0.2184	0.1786
0.85	186.0	-0.0723	0.2146
0.85	222.0	-0.4775	0.2341
0.85	234.0	0.0795	0.2188
0.85	246.0	-0.0824	0.1798
0.85	258.0	0.364	0.1611
0.85	270.0	-0.0339	0.151
0.85	282.0	-0.1601	0.1379
0.95	102.0	-0.1622	0.258
0.95	114.0	0.1057	0.2221
0.95	126.0	0.1252	0.2326
0.95	138.0	0.395	0.2079
0.95	150.0	0.1495	0.2481
0.95	174.0	-0.0239	0.2294
0.95	246.0	0.1819	0.2319
0.95	258.0	-0.087	0.2238
0.95	270.0	0.027	0.2028

CLAS Physics Database