Measurement E151M2632

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:	0.0208
Q²:	0.0171 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.5934

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	42.0	-0.1038	0.2064
0.25	54.0	-0.213	0.2141
0.35	42.0	-0.1476	0.1982
0.35	54.0	-0.1371	0.1434
0.35	66.0	-0.1954	0.2002
0.45	30.0	0.4355	0.2023
0.45	42.0	-0.1591	0.2147
0.45	54.0	-0.1511	0.1601
0.45	66.0	-0.1198	0.2066
0.45	222.0	0.0243	0.2327
0.45	234.0	0.0732	0.1994
0.45	246.0	-0.2269	0.1797
0.55	30.0	-0.4295	0.2138
0.55	42.0	-0.1458	0.1978
0.55	54.0	-0.1098	0.2638
0.55	66.0	0.3016	0.2558
0.55	150.0	0.2259	0.2263
0.55	162.0	-0.3573	0.2337
0.55	222.0	0.0861	0.228
0.55	234.0	-0.1245	0.1768
0.55	246.0	0.0844	0.1621
0.55	258.0	-0.0694	0.2134
0.65	42.0	-0.1961	0.2338
0.65	150.0	-0.42	0.2051
0.65	162.0	-0.2996	0.2282
0.65	222.0	-0.2311	0.1711
0.65	234.0	-0.2398	0.1594
0.65	246.0	0.0179	0.1732
0.65	258.0	0.0171	0.2181
0.75	42.0	0.1526	0.2215
0.75	222.0	-0.1591	0.2392
0.75	234.0	-0.2705	0.1629
0.75	246.0	-0.0022	0.1715
0.75	258.0	-0.0533	0.217
0.85	138.0	0.4921	0.2175
0.85	150.0	-0.0324	0.2369
0.85	222.0	0.1656	0.1889
0.85	234.0	-0.087	0.1676
0.85	246.0	0.1124	0.162
0.85	258.0	0.2614	0.2444

CLAS Physics Database