Measurement E151M658

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_UL
ε_L:	0.0679
Q²:	0.0707 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.8195

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	270.0	1.0362	0.788	0.0701
0.35	282.0	0.1918	0.705	0.0322
0.45	78.0	-0.2039	0.7631	0.0325
0.45	126.0	0.6391	0.9018	0.0493
0.45	270.0	-0.2378	0.5957	0.0333
0.45	282.0	-0.1766	0.7369	0.0319
0.55	114.0	0.5215	0.8445	0.0438
0.55	126.0	-0.4021	0.7161	0.0388
0.55	210.0	0.6732	0.8723	0.0509
0.55	258.0	0.6242	0.8506	0.0486
0.55	270.0	0.8312	0.8109	0.059
0.55	282.0	-0.3408	0.6441	0.0365
0.65	114.0	-0.2606	0.6884	0.034
0.65	126.0	-0.5317	0.6535	0.0442
0.65	138.0	-0.0022	0.6579	0.03
0.65	210.0	0.0833	0.6841	0.0304
0.65	234.0	1.3661	0.8031	0.0888
0.65	282.0	0.0273	0.7201	0.03
0.65	294.0	-0.1203	0.6758	0.0309
0.75	66.0	-0.1377	0.7754	0.0312
0.75	126.0	-1.0355	0.6444	0.0701
0.75	138.0	-1.1816	0.524	0.0782
0.75	198.0	1.6025	0.7614	0.1025
0.75	210.0	0.0487	0.7741	0.0301
0.75	222.0	-0.3352	0.6137	0.0363
0.75	234.0	0.5211	0.6825	0.0438
0.75	246.0	0.7995	0.7515	0.0574
0.75	270.0	0.316	0.6827	0.0357
0.75	282.0	0.1835	0.6546	0.032
0.75	294.0	1.0314	0.6479	0.0699
0.85	102.0	-0.058	0.641	0.0302
0.85	114.0	-1.6729	0.5437	0.1066
0.85	126.0	-0.2276	0.8003	0.0331
0.85	198.0	-0.7487	0.6433	0.0547
0.85	210.0	1.073	0.6506	0.0722
0.85	222.0	-0.121	0.557	0.0309
0.85	234.0	0.0227	0.6086	0.03
0.85	246.0	0.2878	0.7193	0.0348
0.95	234.0	0.3544	0.7162	0.037
0.95	246.0	-0.3591	0.6424	0.0372

CLAS Physics Database