Measurement E151M2654

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:	0.8044
Q²:	0.1205 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9081

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	282.0	0.5542	0.2492	0.032
0.45	294.0	0.2473	0.379	0.0304
0.55	270.0	0.306	0.3268	0.0306
0.55	282.0	-0.5603	0.248	0.032
0.55	294.0	0.4366	0.2812	0.0312
0.65	270.0	-0.0001	0.3633	0.03
0.65	282.0	-0.1215	0.3432	0.0301
0.75	270.0	-0.8319	0.196	0.0343
0.75	282.0	-0.0782	0.3275	0.03
0.85	102.0	0.3305	0.3192	0.0307
0.95	114.0	-0.0188	0.3935	0.03
0.95	126.0	0.097	0.3599	0.0301
0.95	138.0	-0.2644	0.3607	0.0305
0.95	150.0	-0.4862	0.2767	0.0315
0.95	198.0	-0.2243	0.3769	0.0303
0.35	294.0	0.2214	0.2592	0.0303
0.45	282.0	0.0984	0.2473	0.0301
0.55	270.0	0.3198	0.2153	0.0307
0.55	282.0	-0.087	0.2258	0.0301
0.55	294.0	-0.4148	0.2381	0.0311
0.65	270.0	0.1366	0.2094	0.0301
0.65	282.0	0.0691	0.2152	0.03
0.75	258.0	-0.0347	0.2951	0.03
0.75	270.0	0.0572	0.2467	0.03
0.75	282.0	0.1788	0.2203	0.0302
0.85	102.0	0.2582	0.2625	0.0304
0.85	126.0	0.1539	0.2874	0.0302
0.95	114.0	0.2422	0.2441	0.0304
0.95	126.0	-0.0973	0.2697	0.0301
0.95	138.0	-0.2582	0.2282	0.0304
0.95	150.0	-0.1947	0.236	0.0303
0.95	162.0	-0.0577	0.2659	0.03
0.95	186.0	-0.262	0.2216	0.0305

CLAS Physics Database