Measurement E151M3047

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:	0.2713
Q²:	0.205 GeV²
W:	1475.0 GeV
E_beam:	1.9889 GeV
ε:	0.8458

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	66.0	-0.2084	0.2537
0.25	294.0	-0.2699	0.2645
0.35	66.0	-0.2037	0.2462
0.35	78.0	0.1898	0.2675
0.35	282.0	-0.5598	0.2151
0.35	306.0	-0.2032	0.2577
0.45	66.0	0.4332	0.2501
0.45	78.0	-0.4723	0.2393
0.45	282.0	0.3383	0.2357
0.45	294.0	0.0536	0.2529
0.55	66.0	0.4651	0.2285
0.55	114.0	-0.2645	0.2415
0.55	282.0	-0.5297	0.2409
0.55	306.0	-0.6872	0.222
0.65	102.0	0.2249	0.2304
0.65	114.0	0.1394	0.2236
0.65	126.0	-0.3018	0.2284
0.65	222.0	-0.0569	0.2589
0.65	234.0	-0.1718	0.2498
0.65	246.0	-0.4309	0.2007
0.65	258.0	-0.2001	0.2549
0.65	294.0	-0.141	0.2699
0.75	90.0	0.0572	0.2593
0.75	102.0	0.0434	0.2233
0.75	114.0	0.0204	0.2091
0.75	126.0	-0.0802	0.2227
0.75	210.0	0.0857	0.2706
0.75	234.0	-0.0694	0.2379
0.75	246.0	0.1223	0.201
0.75	258.0	-0.0058	0.1944
0.75	270.0	0.1658	0.2484
0.85	78.0	0.2228	0.273
0.85	102.0	-0.1334	0.2336
0.85	114.0	-0.0808	0.2203
0.85	126.0	0.3546	0.2375
0.85	138.0	-0.087	0.2548
0.85	210.0	0.0906	0.2631
0.85	222.0	0.1782	0.2392
0.85	234.0	-0.0407	0.2111
0.85	246.0	-0.2047	0.1666
0.85	258.0	-0.3715	0.2018
0.85	270.0	-0.2656	0.1927
0.85	282.0	0.2148	0.2571
0.95	78.0	-0.237	0.2803
0.95	90.0	-0.071	0.2692
0.95	222.0	0.0565	0.2495
0.95	234.0	0.0335	0.269
0.95	246.0	0.0078	0.2383
0.95	258.0	-0.3856	0.215
0.95	270.0	-0.29	0.2369
0.95	282.0	0.0827	0.2385
0.95	294.0	0.0175	0.2585

CLAS Physics Database