Measurement E151M26

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:	0.1483
Q²:	0.0205 GeV²
W:	1235.0 GeV
E_beam:	1.0539 GeV
ε:	0.9092

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	30.0	-0.2383	0.5295
0.25	42.0	0.8843	0.4951
0.25	54.0	0.1226	0.433
0.35	30.0	0.5649	0.5548
0.35	42.0	0.4855	0.4029
0.35	54.0	-0.4152	0.4084
0.45	42.0	-0.1928	0.3585
0.45	54.0	0.6631	0.4134
0.45	66.0	-0.509	0.4809
0.45	246.0	0.5219	0.5984
0.45	258.0	1.0073	0.4821
0.45	270.0	0.6801	0.3827
0.45	282.0	-0.2537	0.3722
0.55	234.0	1.4654	0.5223
0.55	246.0	0.4051	0.3702
0.55	258.0	-0.4387	0.2618
0.55	270.0	0.2061	0.287
0.55	282.0	0.0316	0.3394
0.65	150.0	0.9065	0.5367
0.65	162.0	-0.4635	0.5109
0.65	174.0	0.8209	0.5806
0.65	186.0	-0.0359	0.5148
0.65	198.0	-0.481	0.5024
0.65	234.0	0.1091	0.3832
0.65	246.0	-0.449	0.2474
0.65	258.0	-0.0602	0.2237
0.65	270.0	0.4223	0.238
0.65	282.0	-0.2893	0.3393
0.75	138.0	-0.134	0.4915
0.75	150.0	0.1676	0.4306
0.75	162.0	-0.0605	0.366
0.75	174.0	0.3369	0.3331
0.75	186.0	0.2034	0.3359
0.75	198.0	-0.3937	0.3194
0.75	210.0	0.2024	0.4296
0.75	222.0	0.0002	0.3794
0.75	234.0	0.0564	0.3317
0.75	246.0	0.0337	0.2505
0.75	258.0	-0.0715	0.2317
0.75	270.0	-0.2031	0.2849
0.75	282.0	-0.2354	0.3997
0.85	138.0	-0.3919	0.4845
0.85	150.0	0.6062	0.3848
0.85	162.0	-0.1144	0.357
0.85	174.0	-0.1064	0.2997
0.85	186.0	0.3558	0.3728
0.85	198.0	0.2471	0.38
0.85	210.0	-0.8245	0.3681
0.85	222.0	0.1198	0.4618
0.85	234.0	0.6367	0.3609
0.85	246.0	0.6973	0.3468
0.85	258.0	0.2721	0.3328
0.85	270.0	0.5389	0.4858

CLAS Physics Database