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Measurement E151M2475

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: 0.3201
Q2: 0.0496 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8837

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.15 42.0 0.0691 0.2055 0.03
0.15 54.0 0.1532 0.2113 0.0302
0.25 30.0 0.241 0.2222 0.0304
0.25 42.0 0.1504 0.1803 0.0302
0.25 54.0 0.2604 0.2049 0.0304
0.35 42.0 0.1014 0.2173 0.0301
0.35 54.0 -0.2584 0.2349 0.0304
0.45 270.0 -0.1761 0.2053 0.0302
0.45 282.0 -0.3751 0.1595 0.0309
0.45 294.0 0.5567 0.1855 0.032
0.55 258.0 -0.009 0.1575 0.03
0.55 270.0 -0.1668 0.1387 0.0302
0.55 282.0 0.0907 0.1347 0.0301
0.55 294.0 -0.2166 0.2085 0.0303
0.65 246.0 -0.1191 0.1798 0.0301
0.65 258.0 -0.1796 0.1376 0.0302
0.65 270.0 -0.0159 0.1384 0.03
0.65 282.0 0.0103 0.1451 0.03
0.65 294.0 -0.2841 0.2614 0.0305
0.75 150.0 0.1477 0.1932 0.0301
0.75 162.0 0.3294 0.2261 0.0307
0.75 174.0 -0.0305 0.2316 0.03
0.75 234.0 0.1321 0.222 0.0301
0.75 246.0 0.251 0.1688 0.0304
0.75 258.0 -0.1744 0.1281 0.0302
0.75 270.0 -0.1956 0.1245 0.0303
0.75 282.0 0.0798 0.1639 0.03
0.85 126.0 -0.3127 0.1988 0.0306
0.85 138.0 0.0507 0.1649 0.03
0.85 150.0 0.0236 0.1501 0.03
0.85 162.0 0.0065 0.1581 0.03
0.85 174.0 -0.2913 0.1512 0.0306
0.85 186.0 -0.118 0.1629 0.0301
0.85 198.0 0.198 0.1737 0.0303
0.85 210.0 0.2551 0.1887 0.0304
0.85 222.0 -0.0119 0.2539 0.03
0.85 246.0 -0.2657 0.2149 0.0305
0.85 258.0 -0.2473 0.1733 0.0304
0.85 270.0 0.1348 0.1667 0.0301
0.85 282.0 0.161 0.1989 0.0302
0.95 126.0 0.4089 0.2372 0.0311
0.95 138.0 -0.3743 0.2342 0.0309
0.95 150.0 0.0885 0.2354 0.0301
0.95 162.0 -0.0714 0.1783 0.03
0.95 174.0 -0.2247 0.2052 0.0303
0.95 186.0 -0.1903 0.219 0.0302
0.95 198.0 0.1865 0.251 0.0302
Created in SINP MSU, CLAS Collaboration