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Measurement E151M2523

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: 0.4202
Q2: 0.1435 GeV2
W: 1295.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7349

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.45 270.0 -0.1132 0.219 0.0301
0.45 282.0 -0.4995 0.2247 0.0316
0.55 258.0 -0.0268 0.215 0.03
0.55 270.0 -0.2504 0.2093 0.0304
0.55 282.0 -0.3425 0.1809 0.0308
0.65 246.0 -0.2689 0.239 0.0305
0.65 258.0 -0.041 0.1806 0.03
0.65 270.0 0.1426 0.1843 0.0301
0.65 282.0 0.2374 0.1594 0.0304
0.75 126.0 0.1559 0.2366 0.0302
0.75 138.0 -0.2907 0.2188 0.0306
0.75 162.0 -0.1658 0.2524 0.0302
0.75 246.0 0.4688 0.1682 0.0314
0.75 258.0 -0.3362 0.1582 0.0307
0.75 270.0 -0.0455 0.195 0.03
0.75 282.0 -0.2331 0.1905 0.0304
0.75 294.0 0.5905 0.1727 0.0322
0.85 114.0 -0.1337 0.2557 0.0301
0.85 126.0 0.2481 0.1555 0.0304
0.85 138.0 0.1184 0.1759 0.0301
0.85 150.0 0.0758 0.1759 0.03
0.85 162.0 0.122 0.2195 0.0301
0.85 174.0 0.3128 0.1897 0.0306
0.85 186.0 -0.397 0.2482 0.031
0.85 198.0 0.2865 0.2007 0.0305
0.85 210.0 -0.2675 0.2405 0.0305
0.85 246.0 -0.232 0.2131 0.0304
0.85 258.0 0.0295 0.1615 0.03
0.85 270.0 0.203 0.1778 0.0303
0.85 282.0 -0.0141 0.1798 0.03
0.85 294.0 -0.188 0.1952 0.0302
0.95 78.0 0.2554 0.2288 0.0304
0.95 90.0 -0.1843 0.222 0.0302
0.95 114.0 -0.0705 0.251 0.03
0.95 126.0 0.1281 0.2401 0.0301
0.95 138.0 0.1349 0.186 0.0301
0.95 150.0 -0.2605 0.2301 0.0304
0.95 162.0 -0.0769 0.1757 0.03
0.95 174.0 -0.0921 0.2357 0.0301
0.95 186.0 -0.1858 0.2116 0.0302
0.95 270.0 -0.134 0.2522 0.0301
Created in SINP MSU, CLAS Collaboration