Measurement E151M2337

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:	0.1937
Q²:	0.2915 GeV²
W:	1655.0 GeV
E_beam:	2.999 GeV
ε:	0.8724

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	270.0	0.0875	0.8225
0.45	102.0	0.8641	0.7589
0.45	270.0	0.6724	0.835
0.45	282.0	-0.5503	0.8822
0.55	90.0	0.055	0.8574
0.55	102.0	-0.9018	0.9403
0.55	114.0	0.4604	0.8196
0.55	126.0	1.3068	0.9178
0.65	90.0	-0.6073	0.8149
0.65	102.0	1.1768	0.8144
0.65	114.0	-0.383	0.7593
0.65	126.0	-1.3578	0.7432
0.65	198.0	-2.2406	0.7566
0.65	210.0	1.1628	1.0415
0.65	222.0	0.237	0.916
0.65	234.0	-0.0476	0.8796
0.65	294.0	-0.4654	0.7279
0.65	306.0	-0.772	0.8406
0.75	66.0	-0.4974	0.9709
0.75	78.0	0.1109	0.741
0.75	102.0	-0.2122	0.7569
0.75	114.0	-0.5667	0.6942
0.75	126.0	-1.0182	0.9659
0.75	138.0	-2.4399	0.8546
0.75	198.0	0.0925	0.9875
0.75	210.0	-0.2354	0.8461
0.75	222.0	0.0522	0.8177
0.75	234.0	0.6726	0.8422
0.75	246.0	-0.0882	0.8965
0.75	258.0	-0.6713	0.9094
0.75	282.0	-1.5976	0.8534
0.75	294.0	0.2376	0.8191
0.85	66.0	0.494	0.7153
0.85	78.0	-0.4315	0.5849
0.85	90.0	0.0087	0.6084
0.85	102.0	-1.1083	0.8642
0.85	114.0	0.8419	0.9552
0.85	186.0	-0.2681	0.948
0.85	198.0	-0.4085	0.6953
0.85	210.0	-0.4149	0.6497
0.85	222.0	0.6682	0.7242
0.85	234.0	0.4186	0.6482
0.85	246.0	-0.0612	0.5391
0.85	258.0	0.6816	0.6346
0.85	270.0	0.6885	0.8789
0.95	78.0	0.74	0.8143
0.95	90.0	-0.3786	0.7855
0.95	186.0	0.3623	0.8961
0.95	198.0	-0.1281	0.8296
0.95	210.0	0.4925	0.8202
0.95	222.0	0.0892	0.7781
0.95	234.0	-0.0255	0.7241
0.95	246.0	-0.3501	0.564
0.95	258.0	-0.8001	0.615
0.95	270.0	-1.0724	0.5939
0.95	282.0	0.7181	0.653
0.95	294.0	-1.5298	0.6178

CLAS Physics Database