Measurement E151M75

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:	0.2682
Q²:	0.0707 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8099

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	42.0	0.618	0.7755
0.25	30.0	-0.1936	0.74
0.25	42.0	-0.2169	0.7354
0.35	30.0	0.7028	0.8072
0.35	42.0	0.3708	0.7399
0.45	270.0	0.0194	0.5839
0.55	246.0	0.3454	0.6421
0.55	258.0	0.0189	0.4582
0.55	270.0	-0.2624	0.3493
0.55	282.0	-0.5913	0.5101
0.65	234.0	-0.5478	0.5279
0.65	246.0	0.5289	0.4101
0.65	258.0	0.3296	0.3611
0.65	270.0	-0.5146	0.3401
0.65	282.0	-0.2666	0.5184
0.75	126.0	-0.4824	0.5755
0.75	138.0	0.0968	0.548
0.75	150.0	-0.1673	0.4882
0.75	162.0	0.6791	0.5811
0.75	222.0	-0.6686	0.5867
0.75	234.0	0.4392	0.5214
0.75	246.0	0.6267	0.4227
0.75	258.0	0.5945	0.3936
0.75	270.0	0.4502	0.3745
0.75	282.0	-0.1881	0.3958
0.75	294.0	-0.1261	0.6462
0.85	114.0	-0.2521	0.6473
0.85	126.0	-0.3479	0.4886
0.85	138.0	-0.1971	0.4841
0.85	150.0	-0.4558	0.4077
0.85	162.0	1.2578	0.5304
0.85	174.0	0.1601	0.4747
0.85	186.0	0.0121	0.5486
0.85	198.0	-0.3101	0.5293
0.85	222.0	0.3881	0.5781
0.85	234.0	-1.0408	0.4383
0.85	246.0	0.0695	0.414
0.85	258.0	-0.6124	0.3154
0.85	270.0	0.4213	0.3582
0.85	282.0	-0.5549	0.4
0.95	102.0	0.887	0.5752
0.95	114.0	-0.4982	0.5086
0.95	126.0	-0.0736	0.4841
0.95	138.0	0.7835	0.4847
0.95	150.0	-0.7499	0.3918
0.95	162.0	0.8499	0.4956
0.95	174.0	-0.1472	0.5472
0.95	186.0	0.4282	0.5364
0.95	234.0	-0.543	0.4857
0.95	258.0	0.2895	0.5255

CLAS Physics Database