Measurement E151M1290

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:	0.093
Q²:	0.0205 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8603

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.15	42.0	-0.1365	0.7894	0.0337
0.25	42.0	0.1386	0.6285	0.0338
0.25	54.0	-0.3621	0.6796	0.0507
0.35	42.0	0.4476	0.5954	0.0587
0.35	54.0	0.3975	0.5202	0.0539
0.35	66.0	1.0206	0.7552	0.119
0.45	30.0	-0.5068	0.6001	0.0646
0.45	42.0	-0.6057	0.5494	0.0746
0.45	54.0	1.2825	0.6225	0.1477
0.45	246.0	0.4573	0.7399	0.0597
0.45	258.0	-0.8365	0.6771	0.099
0.55	42.0	0.8886	0.6123	0.1046
0.55	54.0	-0.634	0.5197	0.0775
0.55	222.0	-0.0717	0.7564	0.0311
0.55	234.0	0.1153	0.4902	0.0327
0.55	246.0	0.0543	0.4386	0.0306
0.55	258.0	0.0096	0.3932	0.03
0.55	270.0	0.3709	0.4374	0.0515
0.65	150.0	-0.5023	0.6651	0.0641
0.65	162.0	0.4916	0.763	0.063
0.65	174.0	0.4578	0.6253	0.0597
0.65	186.0	1.3402	0.7452	0.1541
0.65	210.0	-0.376	0.655	0.0519
0.65	222.0	-0.1979	0.5658	0.0374
0.65	234.0	0.1691	0.4319	0.0355
0.65	246.0	0.4096	0.3409	0.0551
0.65	258.0	0.1988	0.3383	0.0375
0.65	270.0	-0.0691	0.4595	0.031
0.75	126.0	0.1452	0.7312	0.0342
0.75	138.0	-0.2869	0.5793	0.0441
0.75	150.0	0.7059	0.5534	0.0851
0.75	162.0	0.0569	0.6348	0.0307
0.75	174.0	-0.5013	0.5096	0.064
0.75	186.0	0.1298	0.7161	0.0334
0.75	198.0	1.2625	0.6227	0.1455
0.75	210.0	-0.3493	0.6004	0.0495
0.75	222.0	0.65	0.5401	0.0792
0.75	234.0	0.2377	0.41	0.0402
0.75	246.0	0.2672	0.3524	0.0425
0.75	258.0	0.2459	0.3566	0.0409
0.75	270.0	0.401	0.4309	0.0543
0.75	282.0	-0.9965	0.6408	0.1163
0.85	138.0	0.0399	0.6437	0.0303
0.85	150.0	0.3843	0.566	0.0527
0.85	162.0	1.3236	0.5606	0.1523
0.85	174.0	-0.3062	0.6814	0.0457
0.85	198.0	-0.3683	0.7047	0.0512
0.85	210.0	-0.0754	0.6808	0.0312
0.85	222.0	-0.4403	0.5201	0.058
0.85	234.0	0.5817	0.4	0.0721
0.85	246.0	-0.2341	0.3545	0.04
0.85	258.0	0.0455	0.3268	0.0304
0.85	270.0	0.1274	0.4531	0.0333

CLAS Physics Database