Measurement E151M2073

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:	0.1924
Q²:	0.1435 GeV²
W:	1505.0 GeV
E_beam:	2.2596 GeV
ε:	0.889

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	294.0	-0.1054	1.5078
0.55	114.0	-2.0998	1.5438
0.55	282.0	-1.3344	1.3841
0.65	102.0	-0.4306	1.8753
0.65	114.0	-0.7284	1.6108
0.65	126.0	1.4072	1.8668
0.65	138.0	0.3307	1.7443
0.65	222.0	1.4099	1.5456
0.65	234.0	0.6973	1.5972
0.65	294.0	0.6733	1.5077
0.75	102.0	-3.1965	1.705
0.75	114.0	-3.8416	1.6405
0.75	126.0	4.4538	1.4688
0.75	210.0	-3.4357	1.74
0.75	222.0	2.3847	1.6239
0.75	234.0	0.545	1.5071
0.75	246.0	-1.9547	1.4137
0.75	258.0	-2.4133	1.6284
0.85	78.0	-1.0908	1.8566
0.85	114.0	2.8738	2.2317
0.85	126.0	1.2431	2.3541
0.85	138.0	1.1573	2.1755
0.85	222.0	2.1918	1.7931
0.85	234.0	4.4737	1.6004
0.85	246.0	-0.1162	1.5031
0.85	258.0	-0.0839	1.7809
0.95	102.0	-3.4962	5.5259
0.95	234.0	3.6263	5.1202
0.95	246.0	-1.8632	4.897
0.95	258.0	0.064	4.6499
0.95	270.0	0.564	4.4506
0.25	66.0	-1.0049	0.5241
0.25	78.0	-0.4969	0.6286
0.25	294.0	-0.1252	0.6151
0.35	282.0	-0.5646	0.6405
0.35	294.0	-0.0793	0.5866
0.45	270.0	-1.1605	0.6354
0.45	282.0	0.3635	0.534
0.45	294.0	-0.2956	0.5469
0.55	114.0	1.087	0.6139
0.65	102.0	-0.3448	0.6927
0.65	114.0	0.5074	0.5499
0.65	126.0	-0.6482	0.6235
0.65	138.0	-0.6186	0.7139
0.65	222.0	-0.9539	0.7685
0.65	234.0	0.2786	0.6532
0.65	246.0	0.0904	0.6422
0.65	294.0	0.4834	0.5834
0.75	102.0	1.4062	0.5934
0.75	114.0	0.5508	0.5744
0.75	126.0	-0.5738	0.6678
0.75	138.0	-0.0993	0.7755
0.75	210.0	0.119	0.863
0.75	222.0	-0.5422	0.743
0.75	234.0	0.7624	0.6243
0.75	246.0	-1.5699	0.5828
0.75	258.0	0.3127	0.6126
0.85	78.0	-0.8256	0.6563
0.85	90.0	-1.4868	0.6879
0.85	126.0	0.6177	0.8068
0.85	222.0	-0.3001	0.9411
0.85	234.0	0.1226	0.6639
0.85	246.0	-0.7844	0.7223
0.85	258.0	-1.2068	0.7105
0.95	90.0	-0.6665	1.1154
0.95	258.0	-0.7353	1.1788
0.95	270.0	-0.296	0.9611

CLAS Physics Database