Measurement E151M2372

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:	0.0706
Q²:	0.1205 GeV²
W:	1745.0 GeV
E_beam:	2.999 GeV
ε:	0.8689

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	78.0	-0.235	1.0945
0.35	78.0	-0.9579	0.9775
0.35	270.0	-1.3479	1.0251
0.35	282.0	0.5829	0.9196
0.45	114.0	-1.7103	1.0074
0.45	270.0	-1.0066	0.9202
0.55	54.0	-1.4607	0.9532
0.55	102.0	0.3875	1.02
0.55	114.0	-0.5201	0.8888
0.55	126.0	0.7652	0.8391
0.55	138.0	0.4733	1.0436
0.55	186.0	-0.6255	1.1134
0.55	198.0	-1.551	1.011
0.55	210.0	-1.463	1.0494
0.55	222.0	-0.7314	1.075
0.55	270.0	0.0709	0.9456
0.65	54.0	-0.0857	0.8745
0.65	114.0	-0.9821	0.7454
0.65	126.0	-0.9979	0.854
0.65	138.0	0.0558	0.966
0.65	150.0	-0.1677	1.0769
0.65	198.0	1.208	0.8617
0.65	210.0	-0.7595	0.906
0.65	222.0	1.5702	0.808
0.65	270.0	-1.5609	1.0158
0.65	282.0	-0.5355	0.8122
0.65	294.0	0.2003	0.848
0.75	90.0	0.509	0.9569
0.75	102.0	-0.1015	0.8687
0.75	114.0	-0.5917	0.8728
0.75	126.0	-1.7056	1.0181
0.75	138.0	-2.0266	0.9855
0.75	150.0	-2.3272	0.7529
0.75	174.0	0.7582	1.0774
0.75	198.0	-1.2538	0.8342
0.75	210.0	0.8616	0.8537
0.75	222.0	1.3481	0.848
0.75	234.0	0.2422	0.7972
0.75	246.0	-0.5408	0.9861
0.75	258.0	-1.6071	0.9299
0.75	270.0	1.1648	0.7127
0.75	282.0	-1.1393	0.6816
0.75	294.0	0.4097	0.7817
0.85	78.0	-0.1533	1.0004
0.85	90.0	-0.5537	0.6613
0.85	102.0	0.0912	0.6575
0.85	114.0	0.4055	0.6748
0.85	126.0	-0.0402	0.7765
0.85	138.0	1.9542	0.8217
0.85	162.0	-0.3949	0.9757
0.85	174.0	-0.7279	0.7692
0.85	186.0	-0.1149	0.7174
0.85	198.0	-0.9053	0.7003
0.85	210.0	0.0537	0.6729
0.85	222.0	0.2896	0.6731
0.85	234.0	0.702	0.736
0.85	246.0	-0.7513	0.8142
0.85	258.0	-0.8439	0.9798
0.85	270.0	-0.6364	0.992
0.95	102.0	-1.8549	0.747
0.95	186.0	-1.325	0.8892
0.95	198.0	-1.6062	0.7758
0.95	210.0	0.1819	0.6403
0.95	222.0	-1.3822	0.6781
0.95	234.0	-0.3851	0.784
0.95	246.0	-0.8547	0.8549

CLAS Physics Database