Measurement E151M1358

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:	0.0912
Q²:	0.0415 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.7263

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.25	42.0	-0.5399	0.7769	0.0679
0.25	54.0	-0.9177	0.9533	0.1078
0.35	30.0	0.1968	0.9004	0.0373
0.35	42.0	-0.5807	0.7033	0.072
0.35	54.0	0.1115	0.8607	0.0325
0.45	30.0	0.1292	0.8044	0.0334
0.45	42.0	0.6701	0.6343	0.0813
0.45	54.0	-0.2499	0.9007	0.0412
0.55	54.0	0.4232	0.986	0.0564
0.55	234.0	0.1904	0.7523	0.0369
0.55	246.0	1.0072	0.6234	0.1175
0.55	258.0	0.0596	0.5926	0.0307
0.55	270.0	-0.5799	0.7815	0.072
0.65	138.0	-1.5493	0.957	0.1773
0.65	150.0	-0.2704	0.8771	0.0428
0.65	162.0	0.6235	0.894	0.0765
0.65	222.0	-0.1934	0.6786	0.0371
0.65	234.0	-1.7085	0.5047	0.195
0.65	246.0	-0.1446	0.5067	0.0341
0.65	258.0	0.4721	0.5327	0.0611
0.65	270.0	-0.4495	0.7121	0.0589
0.75	138.0	0.2136	0.8601	0.0385
0.75	150.0	0.291	0.6908	0.0445
0.75	162.0	0.8552	0.9201	0.101
0.75	174.0	0.512	0.8537	0.0651
0.75	186.0	-1.1383	0.9192	0.1318
0.75	222.0	-0.6779	0.7255	0.0821
0.75	234.0	-1.115	0.5415	0.1293
0.75	246.0	0.8356	0.5686	0.0989
0.75	258.0	1.5411	0.4749	0.1764
0.75	270.0	0.4789	0.6861	0.0618
0.85	126.0	1.1361	0.8966	0.1316
0.85	150.0	-0.9312	0.7944	0.1092
0.85	162.0	1.9879	0.696	0.2262
0.85	174.0	0.4557	0.8636	0.0595
0.85	222.0	0.526	0.683	0.0665
0.85	234.0	-0.3315	0.5856	0.0479
0.85	246.0	-0.4369	0.5348	0.0577
0.85	258.0	-0.6356	0.4801	0.0777
0.85	270.0	0.1153	0.5763	0.0327
0.95	246.0	0.9338	0.6801	0.1095
0.95	258.0	0.5336	0.6725	0.0672

CLAS Physics Database