Measurement E151M1336

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:	0.0971
Q²:	0.0348 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.777

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.15	42.0	-0.6451	1.0117	0.0787
0.25	42.0	0.0906	0.8118	0.0317
0.25	54.0	-0.3132	0.861	0.0463
0.35	30.0	0.8233	0.7568	0.0976
0.35	42.0	0.6089	0.8539	0.0749
0.35	54.0	-0.9298	0.8734	0.1091
0.45	30.0	-0.5315	0.7229	0.067
0.45	42.0	0.4844	0.6997	0.0623
0.45	54.0	1.5869	0.7169	0.1815
0.45	246.0	-0.6967	0.8652	0.0841
0.45	258.0	-0.403	0.8601	0.0545
0.55	42.0	-1.2936	0.7278	0.1489
0.55	54.0	-1.3935	0.7152	0.16
0.55	234.0	-0.2723	0.7176	0.0429
0.55	246.0	-0.9065	0.6861	0.1066
0.55	258.0	-0.2269	0.5741	0.0394
0.55	270.0	-0.0235	0.7443	0.0301
0.65	138.0	-0.1526	0.7769	0.0346
0.65	150.0	1.1328	0.8634	0.1312
0.65	222.0	0.3799	0.6788	0.0523
0.65	234.0	0.3051	0.5878	0.0457
0.65	246.0	0.276	0.4539	0.0432
0.65	258.0	0.635	0.473	0.0777
0.65	270.0	-0.0624	0.7003	0.0308
0.75	126.0	0.9171	0.93	0.1077
0.75	138.0	-0.0721	0.7094	0.0311
0.75	150.0	1.2244	0.6835	0.1413
0.75	162.0	-0.8393	0.7028	0.0993
0.75	174.0	0.416	0.753	0.0557
0.75	186.0	0.0656	0.8967	0.0309
0.75	210.0	-0.6256	0.9176	0.0767
0.75	222.0	0.1273	0.7255	0.0333
0.75	234.0	0.547	0.5114	0.0686
0.75	246.0	-0.4933	0.493	0.0632
0.75	258.0	-0.106	0.4521	0.0323
0.75	270.0	-0.0558	0.5761	0.0307
0.85	126.0	1.2804	0.7986	0.1475
0.85	138.0	-0.1518	0.9232	0.0345
0.85	162.0	1.5041	0.7336	0.1723
0.85	186.0	-1.4127	0.7452	0.1621
0.85	222.0	2.2054	0.6387	0.2505
0.85	234.0	1.1161	0.5921	0.1294
0.85	246.0	0.1859	0.473	0.0366
0.85	258.0	-0.0808	0.4817	0.0314
0.85	270.0	0.5002	0.5828	0.0639
0.95	138.0	0.5935	0.5893	0.0733
0.95	162.0	0.2783	0.7489	0.0434
0.95	234.0	-1.0248	0.6431	0.1194
0.95	246.0	-0.4157	0.6121	0.0557
0.95	258.0	-1.225	0.5979	0.1414

CLAS Physics Database