Measurement E151M3178

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:	0.7003
Q²:	0.1205 GeV²
W:	1235.0 GeV
E_beam:	2.2596 GeV
ε:	0.9666

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	282.0	0.0766	0.2318
0.65	258.0	-0.0337	0.2528
0.65	270.0	-0.3174	0.2293
0.65	282.0	-0.0353	0.2279
0.75	258.0	0.2552	0.2043
0.75	270.0	-0.0377	0.2271
0.75	282.0	-0.0019	0.2292
0.85	90.0	0.0011	0.2346
0.85	102.0	-0.2416	0.2368
0.85	114.0	-0.0659	0.2155
0.85	126.0	-0.1315	0.1954
0.85	258.0	0.1606	0.2091
0.85	270.0	-0.1127	0.2112
0.95	114.0	0.2194	0.2352
0.95	126.0	-0.0397	0.2497
0.95	138.0	-0.0346	0.2232
0.95	150.0	0.0248	0.2307
0.45	66.0	0.0422	0.2644
0.65	270.0	0.1052	0.24
0.65	282.0	0.1554	0.2429
0.75	270.0	-0.156	0.1807
0.75	282.0	-0.053	0.2426
0.85	90.0	-0.2158	0.2534
0.85	102.0	0.3197	0.2318
0.85	114.0	0.4712	0.2075
0.85	126.0	-0.32	0.227
0.85	258.0	-0.57	0.2077
0.85	270.0	0.1577	0.2378
0.95	102.0	0.1089	0.248
0.95	114.0	-0.001	0.2702
0.95	126.0	-0.2103	0.2334
0.95	138.0	0.1959	0.0314
0.95	150.0	-0.0919	0.2419
0.95	174.0	-0.3796	0.234

CLAS Physics Database