Measurement E151M2361

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:	0.1056
Q²:	0.1715 GeV²
W:	1715.0 GeV
E_beam:	2.999 GeV
ε:	0.8716

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	270.0	0.4333	1.0245
0.35	66.0	0.9175	1.0185
0.35	114.0	-1.7736	0.9061
0.35	258.0	-2.1585	0.7931
0.35	270.0	1.0451	0.8369
0.45	114.0	-0.4193	0.9204
0.45	258.0	1.0781	1.016
0.45	270.0	0.4269	0.8658
0.45	282.0	-0.4126	0.8312
0.55	54.0	-0.0429	0.9286
0.55	102.0	-1.1078	0.8585
0.55	114.0	-0.696	0.7934
0.55	126.0	0.2032	0.9183
0.55	138.0	0.8706	1.0641
0.55	210.0	0.143	0.9875
0.55	222.0	-0.1288	0.868
0.55	270.0	-1.3308	0.7211
0.65	102.0	-0.0491	0.6893
0.65	114.0	-1.9404	0.6835
0.65	126.0	-0.9329	0.7195
0.65	138.0	-0.5809	0.8197
0.65	186.0	-0.2829	1.065
0.65	198.0	-0.9581	0.7513
0.65	210.0	1.2076	0.9702
0.65	222.0	0.5256	1.0051
0.65	234.0	-0.6428	0.8686
0.65	282.0	0.9986	0.876
0.65	294.0	0.6007	0.7296
0.75	78.0	-0.1007	0.8072
0.75	90.0	-0.2795	0.7118
0.75	102.0	1.3269	0.9154
0.75	114.0	-0.5116	0.9551
0.75	126.0	0.2323	0.6869
0.75	186.0	0.0316	0.868
0.75	198.0	0.2	0.8312
0.75	210.0	-0.6855	0.7222
0.75	222.0	-0.8423	0.9299
0.75	234.0	-1.0867	0.7213
0.75	246.0	-0.8281	0.9717
0.75	270.0	0.4631	0.8635
0.75	282.0	-0.2365	0.6489
0.75	294.0	-0.505	0.7595
0.85	78.0	-0.8712	0.6067
0.85	90.0	0.1571	0.5666
0.85	102.0	0.3775	0.6624
0.85	114.0	-0.6339	0.766
0.85	126.0	0.8752	1.0083
0.85	162.0	-1.0407	0.9487
0.85	174.0	-1.0735	0.7979
0.85	186.0	0.28	0.8118
0.85	198.0	-0.4901	0.6507
0.85	210.0	-0.146	0.6266
0.85	222.0	0.5655	0.6192
0.85	234.0	-0.0885	0.6163
0.85	246.0	-0.4077	0.6514
0.85	258.0	-1.3143	0.8066
0.85	270.0	-0.074	0.9661
0.95	90.0	0.4979	0.7721
0.95	102.0	-0.0453	0.8061
0.95	114.0	0.495	0.9125
0.95	174.0	-0.8189	0.7804
0.95	186.0	0.3641	0.7212
0.95	198.0	-1.4518	0.7094
0.95	210.0	-0.8181	0.7
0.95	222.0	0.183	0.6222
0.95	234.0	-0.3659	0.6196
0.95	246.0	0.2295	0.7297
0.95	258.0	0.4886	0.7797

CLAS Physics Database