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Measurement E151M3420

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: ALU
εL: 0.9758
Q2: 0.496 GeV2
W: 1295.0 GeV
Ebeam: 2.999 GeV
ε: 0.9334

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.45 282.0 0.353 0.2387 0.0308
0.55 66.0 -0.0981 0.2876 0.0301
0.55 78.0 0.2888 0.2386 0.0306
0.55 90.0 0.1775 0.2439 0.0302
0.55 270.0 -0.2417 0.2733 0.0304
0.55 294.0 0.0863 0.2746 0.03
0.65 66.0 0.2286 0.241 0.0303
0.65 78.0 -0.1621 0.2317 0.0302
0.65 90.0 0.1059 0.2216 0.0301
0.65 102.0 -0.2324 0.2304 0.0304
0.65 270.0 -0.0361 0.2526 0.03
0.65 282.0 0.0633 0.2177 0.03
0.65 294.0 0.05 0.2369 0.03
0.65 306.0 0.3138 0.2392 0.0306
0.75 66.0 0.4437 0.2147 0.0313
0.75 78.0 0.2787 0.2155 0.0305
0.75 90.0 -0.0132 0.2189 0.03
0.75 102.0 -0.3823 0.2619 0.031
0.75 258.0 -0.0298 0.2711 0.03
0.75 270.0 0.0418 0.2266 0.03
0.75 282.0 -0.3612 0.2178 0.0309
0.75 294.0 -0.2158 0.2236 0.0303
0.75 306.0 0.1661 0.2158 0.0302
0.75 318.0 -0.1266 0.2479 0.0301
0.85 54.0 0.475 0.2198 0.0315
0.85 66.0 -0.3176 0.1989 0.0307
0.85 78.0 -0.0934 0.218 0.0301
0.85 90.0 -0.016 0.2338 0.03
0.85 102.0 -0.1078 0.2382 0.0301
0.85 114.0 0.1423 0.2627 0.0301
0.85 246.0 0.0463 0.2654 0.03
0.85 258.0 0.3251 0.1908 0.0307
0.85 270.0 0.2388 0.1867 0.0304
0.85 282.0 -0.0703 0.2113 0.03
0.85 294.0 -0.0016 0.2304 0.03
0.85 306.0 -0.0082 0.2276 0.03
0.85 318.0 -0.002 0.2461 0.03
0.85 330.0 0.0753 0.253 0.03
0.95 78.0 0.2725 0.243 0.0305
0.95 258.0 0.1379 0.2559 0.0301
0.95 306.0 0.1156 0.2187 0.0301
Created in SINP MSU, CLAS Collaboration