Measurement E151M1561

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:	0.1394
Q²:	0.0707 GeV²
W:	1415.0 GeV
E_beam:	1.3383 GeV
ε:	0.7955

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	42.0	-1.9712	0.9574
0.35	42.0	-0.7078	1.4099
0.55	234.0	1.0942	0.8472
0.55	246.0	0.3532	1.0037
0.55	258.0	0.3823	0.9169
0.65	126.0	0.495	0.999
0.65	138.0	-0.6428	1.0168
0.65	222.0	-0.9564	0.8527
0.65	234.0	-0.5733	0.8659
0.65	246.0	-0.6793	0.8536
0.65	258.0	0.0877	0.9079
0.75	114.0	-1.3767	0.9125
0.75	126.0	-0.1476	1.052
0.75	138.0	0.3612	0.9746
0.75	150.0	-0.8999	0.9936
0.75	210.0	-0.0599	1.0883
0.75	222.0	-1.4605	0.6527
0.75	234.0	0.4912	0.8254
0.75	246.0	0.3087	0.747
0.75	258.0	-0.9443	0.7452
0.75	270.0	0.1271	0.9218
0.85	126.0	0.1762	0.9842
0.85	150.0	0.7661	0.8851
0.85	222.0	-1.083	0.9597
0.85	234.0	0.3711	0.8274
0.85	246.0	0.1785	0.6519
0.85	258.0	-0.2776	0.6211
0.85	270.0	0.6281	0.8434
0.95	114.0	0.0033	0.9617
0.95	234.0	0.7133	0.8745
0.95	246.0	0.5084	0.753
0.95	258.0	-0.4988	0.8094
0.95	270.0	0.0421	0.7169
0.15	30.0	-0.9212	0.8823
0.55	234.0	1.7903	0.6836
0.55	246.0	-0.4361	0.7999
0.55	258.0	-0.9602	0.7074
0.65	126.0	0.2244	0.9304
0.65	138.0	0.2366	0.7206
0.65	150.0	-0.0877	0.8053
0.65	222.0	-0.6396	0.7061
0.65	234.0	0.7425	0.6481
0.65	246.0	-1.0785	0.6166
0.65	258.0	-0.2694	0.7177
0.75	114.0	-0.532	0.7778
0.75	126.0	0.1232	0.6093
0.75	138.0	-1.1307	0.7965
0.75	150.0	0.143	0.8274
0.75	162.0	-0.4896	0.879
0.75	222.0	-0.3548	0.7941
0.75	234.0	0.1937	0.6232
0.75	246.0	0.0258	0.7584
0.75	258.0	-0.346	0.6058
0.75	270.0	0.134	0.8913
0.85	102.0	1.1073	0.8326
0.85	126.0	-0.9119	0.8237
0.85	138.0	0.765	0.608
0.85	150.0	0.9324	0.9
0.85	162.0	1.1253	0.9152
0.85	222.0	1.4281	0.6425
0.85	234.0	-0.0347	0.7711
0.85	246.0	0.7851	0.5962
0.85	258.0	0.0245	0.571
0.85	270.0	1.0094	0.52
0.95	102.0	-0.2624	0.7555
0.95	114.0	0.1978	0.6189
0.95	246.0	-0.2212	0.7491
0.95	258.0	0.72	0.5478
0.95	270.0	0.8703	0.635

CLAS Physics Database