Measurement E151M1632

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_LL
ε_L:	0.0362
Q²:	0.0348 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6738

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.45	18.0	-0.1027	0.8982	0.0306
0.45	30.0	1.827	0.8653	0.1135
0.45	42.0	0.2129	0.8736	0.0326
0.55	138.0	-0.9022	0.8206	0.0618
0.55	150.0	-1.2591	0.8446	0.0812
0.55	222.0	1.1917	0.8704	0.0775
0.55	234.0	-1.2532	0.7947	0.0809
0.55	246.0	-0.651	1.01	0.0492
0.65	138.0	0.5619	0.7457	0.0451
0.65	150.0	-0.5522	0.8398	0.0447
0.65	210.0	-0.4414	0.7627	0.04
0.65	222.0	-1.1095	0.7851	0.073
0.65	234.0	-0.7667	0.7196	0.0549
0.75	150.0	0.9612	0.8041	0.065
0.75	162.0	0.4338	0.933	0.0397
0.75	222.0	0.2385	0.7726	0.0332
0.75	234.0	-0.2909	0.6955	0.0347
0.75	246.0	-0.6634	0.6669	0.0498
0.85	222.0	0.0097	0.7159	0.03
0.85	234.0	0.7655	0.7274	0.0548
0.85	246.0	0.181	0.6823	0.0319
0.35	42.0	-0.1252	1.0366	0.0309
0.55	210.0	0.7146	1.1494	0.0513
0.55	222.0	0.8122	1.1972	0.056
0.55	246.0	-2.5467	2.5467	0.1511
0.65	126.0	-0.3658	1.1846	0.0368
0.65	138.0	-1.7776	0.9126	0.1076
0.65	162.0	0.2838	1.303	0.0342
0.65	222.0	-0.8941	0.8125	0.06
0.65	234.0	-1.36	0.8158	0.0846
0.65	246.0	-0.3674	0.881	0.0368
0.75	162.0	2.5175	2.5175	0.1494
0.75	210.0	-2.6254	2.6254	0.1556
0.75	222.0	0.8572	0.8791	0.0582
0.75	234.0	0.1391	0.9028	0.0311
0.75	246.0	0.7474	0.8467	0.0528
0.85	210.0	-0.4267	1.1065	0.0389
0.85	222.0	-0.149	0.8426	0.0312
0.85	234.0	-0.6794	0.9805	0.0496
0.85	246.0	1.0187	0.7362	0.0664
0.85	258.0	0.3817	1.0539	0.0373

CLAS Physics Database