Measurement E151M48

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:	0.1373
Q²:	0.0245 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8831

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	42.0	-0.7993	0.5804
0.25	42.0	-0.209	0.5011
0.25	54.0	-0.5726	0.5574
0.35	30.0	0.0284	0.5125
0.35	42.0	0.5932	0.4628
0.35	54.0	1.4452	0.5957
0.45	30.0	0.3465	0.4957
0.45	42.0	-0.3386	0.3772
0.45	54.0	-0.3027	0.4225
0.45	258.0	-0.8618	0.4046
0.45	270.0	-0.1782	0.5102
0.55	42.0	-0.5336	0.5272
0.55	54.0	1.2381	0.682
0.55	234.0	-0.4721	0.5628
0.55	246.0	-0.1268	0.319
0.55	258.0	-0.1246	0.3231
0.55	270.0	0.104	0.3343
0.55	282.0	0.9495	0.5616
0.65	150.0	1.2861	0.6059
0.65	162.0	0.4091	0.6752
0.65	174.0	-0.2367	0.597
0.65	222.0	-0.3419	0.4908
0.65	234.0	0.1485	0.3494
0.65	246.0	0.4915	0.2903
0.65	258.0	0.0104	0.2652
0.65	270.0	0.6638	0.3503
0.65	282.0	-0.5616	0.3554
0.75	126.0	-0.7295	0.552
0.75	138.0	-0.0005	0.4636
0.75	150.0	-0.169	0.4724
0.75	162.0	1.1814	0.4868
0.75	174.0	0.3297	0.3861
0.75	186.0	-0.2957	0.4034
0.75	198.0	-0.575	0.416
0.75	210.0	0.0904	0.5894
0.75	222.0	-0.9009	0.3707
0.75	234.0	-0.0237	0.3161
0.75	246.0	-0.2316	0.2752
0.75	258.0	-0.2333	0.2707
0.75	270.0	-0.0016	0.2755
0.75	282.0	1.059	0.3856
0.85	138.0	-1.0846	0.3985
0.85	150.0	0.038	0.4297
0.85	162.0	0.0043	0.3679
0.85	174.0	-0.7365	0.3616
0.85	186.0	0.4596	0.4391
0.85	198.0	0.3078	0.4399
0.85	210.0	0.2412	0.5423
0.85	222.0	-0.1785	0.4535
0.85	234.0	-0.0177	0.369
0.85	246.0	0.4294	0.3392
0.85	258.0	0.1625	0.2992
0.85	270.0	0.0259	0.3321
0.95	138.0	0.6985	0.5351

CLAS Physics Database