Measurement E151M1286

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_LL
ε_L:	0.0476
Q²:	0.0101 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8705

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	42.0	-0.2002	0.8695
0.35	54.0	0.3704	0.6305
0.45	54.0	-0.6268	0.8288
0.55	42.0	1.4987	0.662
0.55	222.0	0.8335	0.7235
0.55	234.0	1.0331	0.5481
0.55	246.0	-0.7408	0.5212
0.55	258.0	-0.2688	0.5623
0.55	270.0	0.2259	0.6369
0.65	138.0	-0.0912	0.7553
0.65	150.0	1.0828	0.7391
0.65	162.0	0.5478	0.7603
0.65	174.0	0.3129	0.7283
0.65	186.0	-1.6362	0.754
0.65	222.0	0.1727	0.5654
0.65	234.0	0.2589	0.4274
0.65	246.0	0.1204	0.3961
0.65	258.0	-0.3539	0.4318
0.65	270.0	0.8497	0.6445
0.75	138.0	0.1436	0.8365
0.75	150.0	1.6312	0.5385
0.75	162.0	1.0002	0.5705
0.75	174.0	1.5299	0.5946
0.75	198.0	-0.4888	0.7931
0.75	222.0	-0.2921	0.6276
0.75	234.0	-0.196	0.4343
0.75	246.0	-0.2566	0.3806
0.75	258.0	0.0511	0.4726
0.75	270.0	1.3933	0.582
0.85	222.0	0.9442	0.5273
0.85	234.0	0.4062	0.5513
0.85	246.0	0.9211	0.4444
0.85	258.0	0.0991	0.5056

CLAS Physics Database