Measurement E151M3256

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:	0.4141
Q²:	0.2445 GeV²
W:	1415.0 GeV
E_beam:	2.2596 GeV
ε:	0.8977

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	90.0	-0.1457	0.2378	0.0301
0.75	102.0	-0.1768	0.2601	0.0302
0.75	126.0	0.2679	0.2529	0.0305
0.75	234.0	-0.307	0.2409	0.0306
0.75	258.0	0.3446	0.2113	0.0308
0.75	270.0	-0.1982	0.2482	0.0303
0.85	138.0	-0.0365	0.254	0.03
0.85	234.0	0.1635	0.2453	0.0302
0.85	246.0	0.1057	0.2612	0.0301
0.85	270.0	-0.2596	0.2416	0.0304
0.85	282.0	-0.1604	0.245	0.0302
0.85	294.0	0.1505	0.2461	0.0302
0.95	66.0	0.3683	0.2429	0.0309
0.95	294.0	0.0209	0.2603	0.03
0.65	90.0	0.0762	0.2482	0.03
0.65	102.0	-0.0404	0.2485	0.03
0.65	246.0	-0.2159	0.2642	0.0303
0.75	114.0	0.1929	0.2197	0.0302
0.75	126.0	-0.403	0.2206	0.0311
0.75	246.0	0.0001	0.2388	0.03
0.75	258.0	0.1705	0.2558	0.0302
0.85	66.0	-0.0997	0.2569	0.0301
0.85	90.0	-0.2871	0.2421	0.0305
0.85	102.0	-0.1453	0.1959	0.0301
0.85	114.0	0.2885	0.2053	0.0305
0.85	246.0	-0.1931	0.2537	0.0302
0.85	258.0	0.219	0.2102	0.0303
0.85	270.0	0.0482	0.2436	0.03
0.85	282.0	0.1125	0.2474	0.0301
0.95	258.0	0.0274	0.2592	0.03
0.95	270.0	-0.284	0.2479	0.0305
0.95	282.0	-0.0517	0.2299	0.03
0.95	294.0	0.0437	0.2512	0.03

CLAS Physics Database