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Measurement E151M3410

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: 1.1084
Q2: 0.496 GeV2
W: 1265.0 GeV
Ebeam: 2.999 GeV
ε: 0.938

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.05 66.0 0.4038 0.2188 0.0311
0.15 66.0 -0.1761 0.2439 0.0302
0.35 282.0 -0.1373 0.2727 0.0301
0.35 294.0 0.1033 0.2878 0.0301
0.45 294.0 -0.4893 0.2034 0.0316
0.55 66.0 0.2552 0.2663 0.0304
0.55 78.0 0.0198 0.2585 0.03
0.55 90.0 0.2704 0.2622 0.0305
0.55 270.0 -0.0936 0.2287 0.0301
0.55 282.0 0.0042 0.224 0.03
0.55 294.0 0.0972 0.2477 0.0301
0.65 66.0 -0.0383 0.2142 0.03
0.65 78.0 0.1962 0.2275 0.0303
0.65 102.0 -0.6327 0.2176 0.0326
0.65 270.0 0.0296 0.2387 0.03
0.65 282.0 -0.2488 0.2128 0.0304
0.65 294.0 0.149 0.2106 0.0301
0.75 66.0 0.2997 0.2117 0.0306
0.75 78.0 0.1022 0.2138 0.0301
0.75 90.0 0.0478 0.255 0.03
0.75 102.0 -0.1672 0.2453 0.0302
0.75 258.0 -0.2223 0.2426 0.0303
0.75 270.0 0.119 0.2378 0.0301
0.75 282.0 0.1172 0.2136 0.0301
0.75 294.0 -0.3211 0.2205 0.0307
0.75 306.0 0.1558 0.236 0.0302
0.85 54.0 -0.1159 0.2452 0.0301
0.85 66.0 -0.081 0.232 0.03
0.85 78.0 -0.531 0.1896 0.0318
0.85 90.0 0.0268 0.2182 0.03
0.85 102.0 -0.1983 0.2352 0.0303
0.85 246.0 -0.0565 0.2712 0.03
0.85 258.0 -0.3673 0.2397 0.0309
0.85 270.0 -0.1134 0.1997 0.0301
0.85 282.0 0.1911 0.2116 0.0302
0.85 294.0 0.061 0.2521 0.03
0.85 318.0 0.1895 0.2213 0.0302
0.95 114.0 0.1684 0.2962 0.0302
0.95 270.0 0.6159 0.2154 0.0324
0.95 282.0 0.009 0.2792 0.03
0.95 294.0 -0.4424 0.2067 0.0313
Created in SINP MSU, CLAS Collaboration