Measurement E151M531

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_UL
ε_L:	0.1185
Q²:	0.0348 GeV²
W:	1355.0 GeV
E_beam:	1.9889 GeV
ε:	0.9487

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	66.0	1.9079	0.5706
0.25	306.0	-0.6184	0.5574
0.35	66.0	0.3864	0.6517
0.35	78.0	0.0918	0.5895
0.35	294.0	0.8543	0.593
0.35	306.0	-0.1013	0.5567
0.45	66.0	1.0508	0.6608
0.45	78.0	0.5853	0.5768
0.45	90.0	0.311	0.5544
0.45	270.0	0.337	0.6436
0.45	282.0	-0.7325	0.5111
0.45	294.0	-0.223	0.462
0.45	306.0	-0.8466	0.4504
0.55	78.0	0.7716	0.4768
0.55	90.0	0.07	0.4714
0.55	246.0	0.9013	0.7255
0.55	258.0	-0.9271	0.5385
0.55	270.0	-1.0365	0.4908
0.55	282.0	-0.0263	0.64
0.55	294.0	-0.1596	0.4866
0.65	78.0	-0.2147	0.4735
0.65	90.0	0.2494	0.5488
0.65	114.0	0.3911	0.6511
0.65	126.0	-0.3407	0.5693
0.65	138.0	-0.4382	0.5361
0.65	222.0	1.3594	0.5584
0.65	234.0	-0.0124	0.4988
0.65	246.0	0.6792	0.511
0.65	258.0	0.6552	0.5328
0.65	282.0	-1.04	0.5036
0.75	102.0	0.2781	0.7044
0.75	114.0	0.4343	0.5015
0.75	126.0	-0.187	0.5326
0.75	138.0	0.5826	0.4749
0.75	150.0	-0.3759	0.5715
0.75	162.0	-0.1885	0.6175
0.75	222.0	1.0952	0.5078
0.75	234.0	1.4612	0.4673
0.75	246.0	-0.2376	0.325
0.75	258.0	1.0068	0.4565
0.85	114.0	0.0691	0.6536
0.85	126.0	-0.5705	0.5002
0.85	138.0	-0.1293	0.5087
0.85	150.0	0.9949	0.6352
0.85	162.0	0.3257	0.6906
0.85	210.0	1.2965	0.7001
0.85	222.0	-0.1986	0.4555
0.85	234.0	0.3233	0.4053
0.85	246.0	-0.4341	0.3075
0.85	258.0	0.7425	0.4523
0.95	246.0	-0.0531	0.5491

CLAS Physics Database