Measurement E151M2551

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:	0.0307
Q²:	0.0101 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.8045

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	42.0	-0.3635	0.2028
0.35	54.0	0.1262	0.1764
0.45	42.0	0.0598	0.1784
0.45	54.0	0.3816	0.1769
0.55	18.0	0.1266	0.2243
0.55	30.0	-0.1291	0.1943
0.55	42.0	0.0392	0.1747
0.55	54.0	-0.0371	0.1702
0.55	150.0	0.1588	0.2425
0.55	222.0	-0.0022	0.2188
0.55	234.0	-0.0862	0.1836
0.55	246.0	-0.0471	0.1966
0.55	258.0	0.0821	0.216
0.65	30.0	0.2293	0.2611
0.65	42.0	-0.0493	0.1963
0.65	54.0	-0.1461	0.2055
0.65	138.0	0.0875	0.2309
0.65	150.0	-0.2906	0.2183
0.65	162.0	0.113	0.2212
0.65	174.0	-0.049	0.2376
0.65	210.0	-0.061	0.2459
0.65	222.0	0.0914	0.191
0.65	234.0	0.0156	0.153
0.65	246.0	-0.1242	0.1505
0.65	258.0	-0.3053	0.1941
0.75	138.0	0.3468	0.235
0.75	150.0	0.142	0.2351
0.75	162.0	-0.2426	0.2242
0.75	174.0	-0.0481	0.2604
0.75	222.0	0.0256	0.1731
0.75	234.0	-0.3422	0.1583
0.75	246.0	-0.4455	0.153
0.75	258.0	-0.0185	0.2259
0.85	210.0	-0.0511	0.2167
0.85	222.0	0.2893	0.163
0.85	234.0	-0.0556	0.158
0.85	246.0	0.2036	0.1717
0.85	258.0	-0.0494	0.1985

CLAS Physics Database