Measurement E151M45

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:	0.0837
Q²:	0.0143 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8925

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	-0.21	0.6011
0.25	54.0	1.2146	0.7003
0.35	42.0	1.4233	0.5364
0.35	54.0	-0.139	0.4931
0.35	66.0	0.3786	0.6905
0.45	30.0	0.9507	0.5799
0.45	42.0	0.6588	0.4651
0.45	54.0	0.4549	0.5221
0.45	258.0	-0.852	0.4928
0.45	270.0	0.0507	0.5103
0.55	30.0	0.8708	0.6692
0.55	42.0	-0.2753	0.4395
0.55	54.0	0.5254	0.5713
0.55	234.0	0.4173	0.4799
0.55	246.0	0.3246	0.3965
0.55	258.0	-0.0326	0.325
0.55	270.0	-0.1714	0.361
0.55	282.0	-0.1518	0.5217
0.65	138.0	1.0661	0.6621
0.65	150.0	0.5366	0.6218
0.65	162.0	0.6703	0.5288
0.65	174.0	0.1557	0.4735
0.65	186.0	-0.1683	0.5538
0.65	198.0	-0.2459	0.5947
0.65	222.0	1.131	0.5808
0.65	234.0	0.0474	0.3516
0.65	246.0	-0.1858	0.2752
0.65	258.0	-0.0985	0.2528
0.65	270.0	-0.8194	0.2873
0.65	282.0	1.0076	0.5376
0.75	138.0	0.0999	0.4803
0.75	150.0	0.8911	0.4681
0.75	162.0	-0.1627	0.4081
0.75	174.0	0.2991	0.4179
0.75	186.0	-0.4318	0.4803
0.75	198.0	0.2302	0.5159
0.75	210.0	-0.4084	0.4435
0.75	222.0	-0.1668	0.4234
0.75	234.0	0.7099	0.356
0.75	246.0	0.0244	0.271
0.75	258.0	-0.1599	0.2442
0.75	270.0	-0.007	0.3349
0.75	282.0	1.2095	0.5318
0.85	138.0	0.19	0.6115
0.85	150.0	-0.1578	0.5505
0.85	162.0	0.3871	0.5334
0.85	174.0	-0.0063	0.484
0.85	186.0	0.9464	0.5515
0.85	198.0	0.5397	0.6014
0.85	222.0	0.5756	0.4542
0.85	234.0	0.1306	0.3522
0.85	246.0	0.2218	0.288
0.85	258.0	-0.1561	0.361
0.85	270.0	-0.697	0.3779

CLAS Physics Database