Measurement E151M2475

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_LU
ε_L:	0.3201
Q²:	0.0496 GeV²
W:	1235.0 GeV
E_beam:	1.0539 GeV
ε:	0.8837

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.15	42.0	0.0691	0.2055
0.15	54.0	0.1532	0.2113
0.25	30.0	0.241	0.2222
0.25	42.0	0.1504	0.1803
0.25	54.0	0.2604	0.2049
0.35	42.0	0.1014	0.2173
0.35	54.0	-0.2584	0.2349
0.45	270.0	-0.1761	0.2053
0.45	282.0	-0.3751	0.1595
0.45	294.0	0.5567	0.1855
0.55	258.0	-0.009	0.1575
0.55	270.0	-0.1668	0.1387
0.55	282.0	0.0907	0.1347
0.55	294.0	-0.2166	0.2085
0.65	246.0	-0.1191	0.1798
0.65	258.0	-0.1796	0.1376
0.65	270.0	-0.0159	0.1384
0.65	282.0	0.0103	0.1451
0.65	294.0	-0.2841	0.2614
0.75	150.0	0.1477	0.1932
0.75	162.0	0.3294	0.2261
0.75	174.0	-0.0305	0.2316
0.75	234.0	0.1321	0.222
0.75	246.0	0.251	0.1688
0.75	258.0	-0.1744	0.1281
0.75	270.0	-0.1956	0.1245
0.75	282.0	0.0798	0.1639
0.85	126.0	-0.3127	0.1988
0.85	138.0	0.0507	0.1649
0.85	150.0	0.0236	0.1501
0.85	162.0	0.0065	0.1581
0.85	174.0	-0.2913	0.1512
0.85	186.0	-0.118	0.1629
0.85	198.0	0.198	0.1737
0.85	210.0	0.2551	0.1887
0.85	222.0	-0.0119	0.2539
0.85	246.0	-0.2657	0.2149
0.85	258.0	-0.2473	0.1733
0.85	270.0	0.1348	0.1667
0.85	282.0	0.161	0.1989
0.95	126.0	0.4089	0.2372
0.95	138.0	-0.3743	0.2342
0.95	150.0	0.0885	0.2354
0.95	162.0	-0.0714	0.1783
0.95	174.0	-0.2247	0.2052
0.95	186.0	-0.1903	0.219
0.95	198.0	0.1865	0.251

CLAS Physics Database