Measurement E151M2481

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:	0.6489
Q²:	0.1435 GeV²
W:	1235.0 GeV
E_beam:	1.0539 GeV
ε:	0.798

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.25	294.0	-0.3956	0.2439	0.031
0.35	282.0	-0.23	0.2156	0.0304
0.35	294.0	0.3324	0.2369	0.0307
0.45	270.0	0.4452	0.2087	0.0313
0.45	282.0	-0.1614	0.1858	0.0302
0.45	294.0	0.0097	0.2452	0.03
0.55	270.0	0.0302	0.1943	0.03
0.55	282.0	-0.0481	0.1771	0.03
0.55	294.0	0.2485	0.2417	0.0304
0.65	258.0	0.2291	0.1848	0.0303
0.65	270.0	-0.3701	0.1807	0.0309
0.65	282.0	-0.2912	0.1949	0.0306
0.65	294.0	-0.1344	0.2046	0.0301
0.75	258.0	0.0772	0.2322	0.03
0.75	270.0	0.0438	0.2274	0.03
0.75	282.0	0.2554	0.1898	0.0304
0.75	294.0	-0.1261	0.2183	0.0301
0.85	114.0	0.2029	0.2168	0.0303
0.85	138.0	-0.1405	0.2309	0.0301
0.85	150.0	0.1948	0.2121	0.0303
0.85	162.0	0.1296	0.2376	0.0301
0.85	174.0	0.3302	0.2344	0.0307
0.85	198.0	-0.5627	0.1878	0.032
0.85	210.0	0.2683	0.2368	0.0305
0.85	270.0	-0.1054	0.2244	0.0301
0.85	282.0	0.4553	0.2127	0.0314
0.95	114.0	-0.2746	0.2126	0.0305
0.95	126.0	0.0032	0.2239	0.03
0.95	138.0	0.3004	0.2249	0.0306
0.95	150.0	-0.0178	0.2076	0.03
0.95	162.0	0.3253	0.2413	0.0307
0.95	174.0	-0.2216	0.2164	0.0303
0.95	186.0	0.494	0.192	0.0316
0.95	198.0	-0.27	0.2418	0.0305
0.95	210.0	0.1827	0.2084	0.0302

CLAS Physics Database