Measurement E151M1448

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:	0.5785
Q²:	0.101 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.9051

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	282.0	-0.0888	0.5191
0.45	282.0	-0.1942	0.3592
0.55	270.0	0.513	0.4208
0.55	282.0	0.4721	0.428
0.65	258.0	0.1717	0.4367
0.65	270.0	-0.5237	0.4419
0.65	282.0	0.2883	0.3915
0.65	294.0	0.542	0.544
0.75	258.0	-0.6241	0.4492
0.75	270.0	0.2631	0.4002
0.75	282.0	0.5199	0.3908
0.75	294.0	-0.4596	0.4604
0.85	102.0	0.308	0.5686
0.85	114.0	0.2861	0.6141
0.85	126.0	0.5343	0.5293
0.85	138.0	0.0991	0.4756
0.85	150.0	-0.0818	0.6364
0.85	162.0	0.5695	0.5558
0.85	174.0	1.3765	0.5825
0.85	222.0	1.0614	0.6001
0.85	246.0	0.084	0.5879
0.85	258.0	0.8117	0.4386
0.85	270.0	0.286	0.5144
0.85	282.0	-0.2916	0.503
0.85	294.0	-0.2107	0.4632
0.95	102.0	-0.9593	0.6088
0.95	114.0	-0.5384	0.4727
0.95	126.0	-0.0909	0.3886
0.95	138.0	0.6786	0.5062
0.95	150.0	0.5616	0.5064
0.95	162.0	-0.1587	0.4807
0.95	174.0	0.5232	0.5764
0.95	186.0	-0.0612	0.4974
0.95	198.0	1.0017	0.4321
0.45	294.0	-0.2259	0.7152
0.55	270.0	-0.0921	0.6316
0.55	282.0	0.0794	0.5907
0.65	258.0	-1.6759	1.6759
0.65	270.0	0.1873	0.5871
0.65	282.0	0.9194	0.4735
0.65	294.0	-0.0917	0.6111
0.75	246.0	0.4704	0.7662
0.75	258.0	0.1638	0.7266
0.75	270.0	0.2618	0.5616
0.75	282.0	0.4697	0.5291
0.75	294.0	1.5709	0.4146
0.85	102.0	-0.4054	0.5806
0.85	114.0	-0.6457	0.6087
0.85	126.0	0.434	0.5969
0.85	138.0	0.8119	0.6256
0.85	246.0	0.685	0.6762
0.85	258.0	-0.7489	0.8441
0.85	270.0	0.3602	0.5715
0.85	282.0	-0.182	0.6209
0.85	294.0	0.2514	0.7396
0.95	102.0	0.6547	0.6445
0.95	114.0	-0.2418	0.7269
0.95	126.0	0.3224	0.7144
0.95	138.0	0.2033	0.5368
0.95	150.0	-0.567	0.5566
0.95	162.0	1.3731	0.3038
0.95	174.0	0.4827	0.5705
0.95	186.0	-0.7143	0.5852
0.95	198.0	-0.6688	0.6289
0.95	210.0	0.1194	0.675

CLAS Physics Database