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Measurement E151M2480

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: 0.5937
Q2: 0.1205 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8194

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.05 42.0 0.1243 0.2407 0.0301
0.45 270.0 0.0424 0.2384 0.03
0.45 282.0 0.3043 0.2331 0.0306
0.45 294.0 -0.3247 0.221 0.0307
0.55 258.0 -0.4855 0.2364 0.0315
0.55 270.0 0.1039 0.1972 0.0301
0.55 282.0 -0.2474 0.1772 0.0304
0.55 294.0 0.1364 0.2558 0.0301
0.65 258.0 -0.1809 0.2044 0.0302
0.65 270.0 0.0873 0.1866 0.0301
0.65 282.0 -0.2939 0.1894 0.0306
0.65 294.0 -0.218 0.2616 0.0303
0.75 246.0 0.1635 0.2251 0.0302
0.75 258.0 -0.0441 0.2096 0.03
0.75 270.0 0.2171 0.1889 0.0303
0.75 282.0 -0.1886 0.2013 0.0302
0.75 294.0 0.0684 0.2404 0.03
0.85 114.0 -0.3295 0.2612 0.0307
0.85 138.0 0.1471 0.2108 0.0301
0.85 150.0 -0.4539 0.1821 0.0313
0.85 162.0 -0.3132 0.2099 0.0306
0.85 174.0 0.111 0.2451 0.0301
0.85 258.0 0.0367 0.2429 0.03
0.85 282.0 -0.0385 0.2406 0.03
0.95 126.0 0.2846 0.1912 0.0305
0.95 138.0 -0.0029 0.2557 0.03
0.95 150.0 -0.4621 0.2248 0.0314
0.95 162.0 0.2917 0.2077 0.0306
0.95 186.0 -0.0326 0.2503 0.03
Created in SINP MSU, CLAS Collaboration