Measurement E151M1451

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:	0.7849
Q²:	0.1715 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	270.0	1.9459	1.9459
0.45	282.0	-0.2561	0.7276
0.45	294.0	1.2368	0.631
0.55	270.0	-0.5471	0.6821
0.55	282.0	0.8509	0.6888
0.55	294.0	0.4388	0.7214
0.65	258.0	0.4592	0.6674
0.65	270.0	-0.0423	0.6213
0.65	282.0	0.0242	0.6653
0.75	258.0	-0.1922	0.7455
0.75	270.0	-0.9469	0.5514
0.75	282.0	-0.6328	0.5185
0.75	294.0	0.5621	0.6519
0.85	90.0	-0.2717	0.8516
0.85	102.0	-1.2822	0.7174
0.85	114.0	1.4397	0.5205
0.85	126.0	-0.778	0.7733
0.85	138.0	0.9547	0.7041
0.85	258.0	-0.6104	0.6542
0.95	90.0	1.5639	0.4893
0.95	102.0	1.3276	0.5631
0.95	114.0	0.3868	0.8804
0.95	126.0	-0.1857	0.8096
0.95	138.0	-1.0046	0.6694
0.95	150.0	-0.4955	0.715
0.95	162.0	-0.2452	0.7437
0.95	186.0	0.4946	0.7241
0.35	282.0	0.347	0.6426
0.35	294.0	-0.918	0.5742
0.45	282.0	-0.6547	0.5937
0.55	258.0	-0.4533	0.6936
0.55	270.0	-0.5643	0.5736
0.55	282.0	0.4078	0.5687
0.55	294.0	-0.1174	0.6806
0.65	258.0	-0.7565	0.558
0.65	270.0	-0.9436	0.6524
0.65	282.0	-0.3868	0.5571
0.65	294.0	-1.3917	0.4657
0.75	258.0	-0.092	0.5498
0.75	270.0	-0.2316	0.5111
0.75	282.0	-0.8713	0.5806
0.75	294.0	0.5518	0.601
0.85	90.0	0.6507	0.5923
0.85	102.0	0.1421	0.5505
0.85	114.0	0.0404	0.5266
0.85	126.0	0.2291	0.6069
0.85	138.0	-1.3059	0.4996
0.85	258.0	-0.0022	0.6198
0.85	270.0	0.9062	0.5369
0.85	282.0	-0.1057	0.53
0.95	90.0	0.0731	0.58
0.95	102.0	0.5114	0.5891
0.95	114.0	-0.0705	0.4671
0.95	126.0	0.2877	0.5104
0.95	138.0	-0.0508	0.5131
0.95	150.0	0.3694	0.5585
0.95	162.0	-0.0287	0.5578
0.95	174.0	-0.4402	0.5116
0.95	198.0	-1.2279	0.5268

CLAS Physics Database