Measurement E151M2560

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:	0.1314
Q²:	0.0496 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.7603

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.15	42.0	-0.1153	0.2592
0.25	42.0	-0.108	0.2243
0.35	30.0	-0.1011	0.2308
0.35	42.0	-0.1173	0.2016
0.45	42.0	0.336	0.181
0.55	234.0	0.2269	0.2099
0.55	246.0	-0.1176	0.1912
0.55	258.0	-0.0922	0.1658
0.55	270.0	-0.0576	0.2559
0.65	138.0	-0.1483	0.2165
0.65	150.0	0.3131	0.2247
0.65	222.0	0.0153	0.2026
0.65	234.0	0.2461	0.1491
0.65	246.0	0.0392	0.1576
0.65	258.0	0.0584	0.1423
0.65	270.0	-0.0178	0.1662
0.75	126.0	-0.0831	0.2509
0.75	138.0	-0.0096	0.1894
0.75	150.0	-0.0194	0.1692
0.75	162.0	-0.2564	0.1998
0.75	174.0	0.342	0.231
0.75	222.0	-0.0548	0.2028
0.75	234.0	0.0206	0.164
0.75	246.0	-0.0949	0.1343
0.75	258.0	-0.0573	0.1424
0.75	270.0	-0.1653	0.1828
0.85	138.0	0.0588	0.1883
0.85	150.0	0.4357	0.2094
0.85	162.0	0.3553	0.1942
0.85	174.0	0.6363	0.1667
0.85	186.0	0.0034	0.2346
0.85	222.0	-0.2163	0.1958
0.85	234.0	-0.15	0.1909
0.85	246.0	-0.0471	0.1446
0.85	258.0	-0.08	0.1423
0.85	270.0	-0.0279	0.1521
0.85	282.0	-0.2085	0.2275
0.95	114.0	0.4753	0.2215
0.95	126.0	0.037	0.2092
0.95	246.0	0.2292	0.2348
0.95	258.0	0.1677	0.1846

CLAS Physics Database