Measurement E151M2697

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_LU
ε_L:	0.0709
Q²:	0.0143 GeV²
W:	1295.0 GeV
E_beam:	1.3383 GeV
ε:	0.9232

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	234.0	0.2954	0.3076	0.0306
0.65	246.0	-0.2674	0.2794	0.0305
0.65	258.0	-0.1373	0.2633	0.0301
0.75	150.0	0.259	0.2919	0.0304
0.75	162.0	-0.5996	0.3359	0.0323
0.75	174.0	0.0044	0.3927	0.03
0.75	222.0	0.3016	0.3119	0.0306
0.75	234.0	-0.3038	0.3121	0.0306
0.75	246.0	0.1623	0.2619	0.0302
0.75	258.0	-0.4777	0.2684	0.0315
0.75	270.0	-0.3719	0.314	0.0309
0.85	246.0	0.4033	0.2686	0.0311
0.85	258.0	0.1046	0.3473	0.0301
0.55	246.0	-0.3127	0.2484	0.0306
0.65	234.0	-0.129	0.1956	0.0301
0.65	246.0	-0.4925	0.2026	0.0316
0.65	258.0	0.0433	0.2259	0.03
0.65	270.0	-0.3817	0.2404	0.031
0.75	150.0	0.2699	0.237	0.0305
0.75	162.0	0.0585	0.2873	0.03
0.75	222.0	-0.0408	0.2425	0.03
0.75	234.0	-0.3657	0.1906	0.0309
0.75	246.0	0.1589	0.1845	0.0302
0.75	258.0	-0.2286	0.2134	0.0303
0.75	270.0	0.1252	0.27	0.0301
0.85	234.0	-0.1499	0.2113	0.0301
0.85	246.0	-0.0346	0.2175	0.03
0.85	258.0	-0.121	0.2096	0.0301

CLAS Physics Database