Measurement E151M2831

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:	0.019
Q²:	0.0143 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.7348

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	42.0	-0.4181	0.3279
0.45	138.0	-0.4015	0.378
0.45	222.0	0.196	0.3676
0.55	30.0	0.8184	0.195
0.55	42.0	0.0157	0.3187
0.55	150.0	-0.5007	0.3123
0.55	210.0	-0.0014	0.3275
0.55	222.0	-0.5612	0.2089
0.55	234.0	0.3625	0.3264
0.55	246.0	0.2466	0.3845
0.65	42.0	-0.5848	0.2603
0.65	138.0	0.1575	0.3524
0.65	150.0	-0.2666	0.34
0.65	198.0	-0.7193	0.2142
0.65	222.0	-0.0782	0.2889
0.65	234.0	-0.2298	0.3028
0.65	246.0	-0.1016	0.3523
0.75	198.0	0.1723	0.3627
0.75	210.0	0.8348	0.1941
0.75	222.0	-0.2191	0.3754
0.75	234.0	0.3792	0.25
0.75	246.0	-0.0903	0.305
0.85	210.0	0.5239	0.3064
0.85	222.0	-0.3309	0.3213
0.85	234.0	0.3193	0.3006
0.85	246.0	-0.2278	0.393
0.35	30.0	0.0572	0.2794
0.35	42.0	0.2007	0.2844
0.45	30.0	0.0487	0.2555
0.45	54.0	0.0474	0.2876
0.45	222.0	0.0555	0.2436
0.45	234.0	-0.0653	0.258
0.55	18.0	-0.4847	0.2657
0.55	42.0	-0.2363	0.227
0.55	126.0	0.0686	0.2569
0.55	138.0	0.0948	0.2257
0.55	150.0	0.2813	0.2582
0.55	162.0	-0.1216	0.2614
0.55	210.0	0.3308	0.2126
0.55	222.0	0.4648	0.2126
0.55	234.0	-0.2436	0.2274
0.55	246.0	-0.2906	0.267
0.65	126.0	-0.0309	0.2577
0.65	138.0	0.1911	0.2391
0.65	150.0	0.1038	0.2316
0.65	162.0	0.3093	0.2489
0.65	210.0	-0.2339	0.24
0.65	222.0	-0.1912	0.2219
0.65	234.0	-0.0563	0.2121
0.65	246.0	0.2042	0.25
0.75	138.0	0.3219	0.2717
0.75	210.0	-0.1685	0.2298
0.75	222.0	-0.2384	0.2164
0.75	234.0	-0.2221	0.2155
0.85	138.0	-0.1895	0.2528
0.85	222.0	-0.0566	0.2342
0.85	234.0	-0.1941	0.2407

CLAS Physics Database