Measurement E151M13

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:	0.5351
Q²:	0.0707 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.8863

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	294.0	-0.7818	0.4074	0.0939
0.45	270.0	0.0279	0.5063	0.0302
0.45	282.0	-0.0587	0.3743	0.0307
0.45	294.0	-0.2078	0.4428	0.0382
0.55	270.0	-0.1552	0.3614	0.0348
0.55	282.0	-0.272	0.3313	0.0431
0.65	258.0	0.3443	0.4419	0.0493
0.65	270.0	0.252	0.4063	0.0415
0.65	282.0	-0.1865	0.3399	0.0367
0.75	258.0	0.1716	0.441	0.0358
0.75	270.0	-0.5207	0.3424	0.0664
0.75	282.0	0.2202	0.4433	0.0391
0.85	150.0	0.4026	0.376	0.0548
0.85	162.0	-0.0899	0.3533	0.0317
0.85	174.0	0.6127	0.3761	0.0759
0.85	186.0	0.239	0.3748	0.0405
0.85	198.0	-0.0939	0.3754	0.0318
0.85	210.0	-0.5279	0.3284	0.0671
0.85	222.0	-0.0132	0.3962	0.03
0.95	138.0	-0.3732	0.287	0.052
0.95	150.0	0.1456	0.3217	0.0343
0.95	162.0	0.3857	0.3575	0.0532
0.95	174.0	-0.2204	0.3367	0.0391
0.95	186.0	-0.2677	0.2664	0.0428
0.95	198.0	-0.5735	0.3056	0.0718
0.95	210.0	-0.2701	0.3266	0.0429

CLAS Physics Database