Measurement E151M284

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_UL
ε_L:	0.3593
Q²:	0.1205 GeV²
W:	1325.0 GeV
E_beam:	1.3383 GeV
ε:	0.8394

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	258.0	-0.5328	0.4553	0.046
0.55	270.0	-0.2887	0.3478	0.0541
0.65	246.0	-0.5978	0.3141	0.0486
0.65	258.0	0.0365	0.3466	0.0362
0.65	270.0	0.0673	0.3719	0.0313
0.65	282.0	-0.9787	0.3142	0.0669
0.75	102.0	0.399	0.5639	0.0396
0.75	114.0	-0.5045	0.3625	0.0438
0.75	126.0	0.3144	0.4256	0.0359
0.75	138.0	-0.1969	0.4541	0.0402
0.75	150.0	-1.0594	0.6162	0.0705
0.75	222.0	0.2654	0.8859	0.034
0.75	234.0	-0.6169	0.4167	0.0502
0.75	246.0	-0.0829	0.3272	0.0325
0.75	258.0	0.5161	0.3622	0.0438
0.75	270.0	-0.0186	0.332	0.0327
0.75	282.0	0.193	0.3765	0.0339
0.85	102.0	0.1229	0.3953	0.0328
0.85	114.0	0.014	0.3701	0.0304
0.85	126.0	-0.3807	0.3176	0.0401
0.85	138.0	-0.1774	0.383	0.0329
0.85	150.0	0.023	0.3963	0.0309
0.85	162.0	0.7516	0.4675	0.0552
0.85	174.0	0.7487	0.5053	0.0552
0.85	234.0	-0.3376	0.3943	0.0382
0.85	246.0	-0.1333	0.3149	0.0352
0.85	258.0	-0.368	0.3134	0.0409
0.85	270.0	-0.5577	0.2713	0.0483
0.85	282.0	-0.0701	0.2733	0.0453
0.85	294.0	0.9087	0.4174	0.0649
0.95	66.0	0.8134	0.4107	0.0584
0.95	78.0	-0.1793	0.3238	0.032
0.95	90.0	-0.4496	0.3851	0.0412
0.95	126.0	0.8477	0.9433	0.0592
0.95	138.0	0.6971	0.4332	0.0579
0.95	150.0	-0.8253	0.3256	0.0588
0.95	162.0	0.0496	0.5274	0.0302
0.95	174.0	-0.7488	0.468	0.0552
0.95	234.0	-1.0617	0.4388	0.0723
0.95	246.0	-0.5122	0.3398	0.0463
0.95	258.0	-0.4421	0.3469	0.0427
0.95	270.0	0.1082	0.3084	0.0387
0.95	282.0	-0.3678	0.3614	0.0438
0.95	294.0	0.6368	0.3844	0.0497

CLAS Physics Database