Measurement E151M1495

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:	0.0686
Q²:	0.0171 GeV²
W:	1325.0 GeV
E_beam:	1.3383 GeV
ε:	0.9044

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	42.0	-0.7487	1.0154
0.55	42.0	0.2287	1.0658
0.55	234.0	-0.1992	0.8186
0.55	246.0	-0.1029	0.6705
0.55	258.0	2.0363	2.0363
0.65	126.0	-2.0089	0.4976
0.65	138.0	-0.2918	0.8647
0.65	150.0	-0.5104	0.7655
0.65	162.0	0.8352	0.9406
0.65	210.0	-0.3333	1.0055
0.65	222.0	0.2861	0.8597
0.65	234.0	-0.2107	0.6018
0.65	246.0	0.1151	0.5251
0.65	258.0	-0.1862	0.6292
0.75	126.0	1.0126	0.8916
0.75	138.0	1.003	0.657
0.75	150.0	-0.9825	0.6856
0.75	162.0	1.2682	0.7514
0.75	210.0	-0.9977	0.8051
0.75	222.0	-1.3632	0.5522
0.75	234.0	-0.0238	0.5724
0.75	246.0	1.2523	0.4949
0.75	258.0	-0.3271	0.5794
0.85	126.0	1.9506	0.5239
0.85	138.0	0.5729	0.8067
0.85	150.0	-0.4125	0.9191
0.85	162.0	-0.0301	0.9275
0.85	210.0	-0.0223	0.8718
0.85	222.0	0.0006	0.6467
0.85	234.0	-0.4533	0.5989
0.85	246.0	0.0868	0.6114
0.85	258.0	-0.3438	0.6054
0.85	270.0	1.0483	0.7914
0.95	234.0	-0.3356	0.6682
0.25	42.0	-1.8811	0.6384
0.35	54.0	0.2772	0.6318
0.45	42.0	-0.5948	0.632
0.55	234.0	-0.0206	0.6135
0.55	246.0	0.7334	0.5666
0.55	258.0	-0.4791	0.6924
0.65	126.0	-0.9526	0.79
0.65	138.0	0.7256	0.6015
0.65	150.0	-0.4897	0.6204
0.65	162.0	-0.4403	0.7378
0.65	210.0	0.5022	0.8582
0.65	222.0	0.0532	0.5393
0.65	234.0	0.1746	0.4324
0.65	246.0	0.3441	0.4947
0.65	258.0	0.2501	0.4269
0.75	126.0	0.7873	0.7571
0.75	138.0	-0.6842	0.6223
0.75	150.0	0.2641	0.6997
0.75	162.0	-0.2705	0.6784
0.75	174.0	0.1663	0.7241
0.75	210.0	0.8478	0.6833
0.75	222.0	-0.0405	0.5035
0.75	234.0	0.4882	0.4756
0.75	246.0	0.2276	0.4495
0.75	258.0	-0.0796	0.496
0.85	138.0	0.1758	0.6761
0.85	150.0	1.0218	0.7574
0.85	210.0	1.2001	0.663
0.85	222.0	0.1002	0.5481
0.85	234.0	0.3159	0.4407
0.85	246.0	-0.3324	0.4128
0.85	258.0	-0.051	0.4972
0.85	270.0	0.5628	0.6863

CLAS Physics Database