Measurement E151M1838

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:	0.1841
Q²:	0.1435 GeV²
W:	1505.0 GeV
E_beam:	1.9889 GeV
ε:	0.8508

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	54.0	-0.826	0.7568
0.25	66.0	0.0979	0.7962
0.25	78.0	0.0043	0.6712
0.25	282.0	-0.3424	0.7579
0.25	294.0	0.1446	0.6581
0.35	66.0	-1.2847	0.6548
0.35	78.0	0.5664	0.6559
0.35	270.0	0.0406	0.7929
0.35	282.0	-0.3661	0.6438
0.35	294.0	-0.4089	0.7124
0.35	306.0	0.4091	0.7803
0.45	66.0	0.5348	0.7936
0.45	78.0	0.4386	0.6709
0.45	270.0	-1.2966	0.5705
0.45	282.0	-0.6973	0.5515
0.45	294.0	0.5066	0.6128
0.55	66.0	0.0023	0.7889
0.55	78.0	1.6794	0.6985
0.55	102.0	-2.0339	0.6685
0.55	114.0	0.2133	0.6919
0.55	126.0	-0.9978	0.7673
0.55	270.0	-1.2461	0.7148
0.55	282.0	0.7586	0.6638
0.55	306.0	0.6473	0.6981
0.65	102.0	0.5136	0.6478
0.65	114.0	0.0597	0.5859
0.65	126.0	-0.1589	0.6411
0.65	138.0	0.6215	0.7026
0.65	210.0	1.1232	0.6823
0.65	222.0	0.0221	0.6574
0.65	234.0	-0.5468	0.5953
0.65	246.0	-1.4848	0.6224
0.65	294.0	0.2489	0.5808
0.65	306.0	-0.5322	0.7037
0.75	102.0	0.3376	0.5673
0.75	114.0	-0.6031	0.5944
0.75	126.0	-0.0867	0.5382
0.75	138.0	-0.434	0.7155
0.75	210.0	0.7756	0.5886
0.75	222.0	-0.7585	0.5659
0.75	234.0	-0.8858	0.495
0.75	246.0	-0.0936	0.5219
0.75	258.0	0.4218	0.6283
0.75	294.0	0.2398	0.6184
0.85	78.0	1.2848	0.6354
0.85	90.0	1.2827	0.5826
0.85	114.0	-0.637	0.7818
0.85	126.0	-0.145	0.5976
0.85	138.0	0.3568	0.6683
0.85	198.0	0.6163	0.7129
0.85	210.0	0.802	0.6793
0.85	222.0	0.1427	0.6057
0.85	234.0	-0.1324	0.5275
0.85	246.0	0.1537	0.4764
0.85	258.0	0.6124	0.5078
0.85	270.0	0.0413	0.6595
0.95	222.0	0.3205	0.6269
0.95	234.0	-0.2409	0.5812
0.95	246.0	0.0934	0.5205
0.95	258.0	-0.0172	0.5627
0.95	270.0	-0.8826	0.5197

CLAS Physics Database