Measurement E151M2370

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:	0.0515
Q²:	0.0844 GeV²
W:	1745.0 GeV
E_beam:	2.999 GeV
ε:	0.8761

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	78.0	1.686	0.9962
0.35	258.0	-0.1259	1.0796
0.35	282.0	0.7789	1.0392
0.45	114.0	-0.9478	1.0777
0.45	258.0	0.4391	0.9538
0.45	270.0	-0.4558	0.8634
0.55	102.0	0.9093	1.1009
0.55	114.0	-0.7498	0.8568
0.55	126.0	-1.2664	0.8855
0.55	138.0	0.7781	1.0865
0.55	198.0	-1.4701	1.0219
0.55	210.0	-0.7997	0.8636
0.55	258.0	1.2026	0.8909
0.55	270.0	-0.6562	0.8913
0.65	66.0	-3.5127	3.5127
0.65	114.0	-0.8894	0.8408
0.65	126.0	-1.0046	0.8239
0.65	138.0	0.916	0.9097
0.65	174.0	0.059	1.1277
0.65	186.0	-1.0346	1.0104
0.65	198.0	-0.6809	0.8853
0.65	210.0	0.2476	0.8468
0.65	222.0	-0.3002	0.9855
0.65	270.0	-0.2813	0.8744
0.65	282.0	-0.6847	0.8451
0.65	294.0	-0.5293	1.0131
0.75	54.0	-0.0742	0.9527
0.75	90.0	0.9637	0.9445
0.75	102.0	-0.432	0.8373
0.75	114.0	-0.0156	1.044
0.75	126.0	0.335	1.0947
0.75	138.0	-0.4074	1.0815
0.75	150.0	0.6087	1.1317
0.75	174.0	-0.3779	1.0243
0.75	186.0	-0.1882	0.8802
0.75	198.0	-1.9303	0.8395
0.75	210.0	2.2942	0.5574
0.75	222.0	1.0721	0.7052
0.75	234.0	-1.5049	0.8868
0.75	258.0	-0.8911	0.9912
0.75	270.0	-0.293	0.7824
0.75	282.0	0.1034	0.6737
0.75	294.0	-0.3849	0.9175
0.85	90.0	-1.2248	0.7652
0.85	102.0	0.0251	0.5797
0.85	114.0	0.72	0.7196
0.85	126.0	-0.0485	0.9113
0.85	138.0	2.1422	1.009
0.85	162.0	0.678	1.0288
0.85	174.0	-1.6726	0.7322
0.85	186.0	-1.1871	0.6363
0.85	198.0	-0.7999	0.6942
0.85	210.0	-0.2895	0.644
0.85	222.0	-0.6482	0.7198
0.85	234.0	0.1227	0.8605
0.85	270.0	-0.14	1.0221
0.85	282.0	-0.7046	0.7902
0.95	186.0	-3.5666	3.5666
0.95	198.0	0.3878	0.85
0.95	210.0	1.4451	0.8038
0.95	222.0	0.3774	0.9191
0.95	234.0	-1.0397	1.0022

CLAS Physics Database