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Measurement E151M2542

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: 0.2457
Q2: 0.0844 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.761

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.25 42.0 -0.3621 0.2114 0.0309
0.45 270.0 0.1468 0.2534 0.0301
0.55 246.0 0.0893 0.2038 0.0301
0.55 258.0 0.2547 0.1713 0.0304
0.55 270.0 -0.1966 0.1616 0.0303
0.55 282.0 -0.03 0.2286 0.03
0.65 234.0 -0.1088 0.1781 0.0301
0.65 246.0 -0.0902 0.1549 0.0301
0.65 258.0 0.0961 0.1467 0.0301
0.65 270.0 0.1551 0.148 0.0302
0.65 282.0 -0.0014 0.2067 0.03
0.75 126.0 -0.1805 0.2369 0.0302
0.75 138.0 -0.0246 0.2352 0.03
0.75 150.0 0.1271 0.1881 0.0301
0.75 162.0 0.1514 0.2225 0.0302
0.75 174.0 -0.0712 0.2483 0.03
0.75 198.0 0.0518 0.2533 0.03
0.75 234.0 -0.2523 0.1815 0.0304
0.75 246.0 0.1876 0.139 0.0302
0.75 258.0 -0.3756 0.1376 0.0309
0.75 270.0 -0.381 0.1523 0.031
0.75 282.0 -0.1479 0.1591 0.0301
0.85 126.0 0.3831 0.1602 0.031
0.85 138.0 0.3431 0.1771 0.0308
0.85 150.0 -0.2867 0.1443 0.0305
0.85 162.0 0.2504 0.1934 0.0304
0.85 174.0 0.2184 0.1786 0.0303
0.85 186.0 -0.0723 0.2146 0.03
0.85 222.0 -0.4775 0.2341 0.0315
0.85 234.0 0.0795 0.2188 0.03
0.85 246.0 -0.0824 0.1798 0.03
0.85 258.0 0.364 0.1611 0.0309
0.85 270.0 -0.0339 0.151 0.03
0.85 282.0 -0.1601 0.1379 0.0302
0.95 102.0 -0.1622 0.258 0.0302
0.95 114.0 0.1057 0.2221 0.0301
0.95 126.0 0.1252 0.2326 0.0301
0.95 138.0 0.395 0.2079 0.031
0.95 150.0 0.1495 0.2481 0.0301
0.95 174.0 -0.0239 0.2294 0.03
0.95 246.0 0.1819 0.2319 0.0302
0.95 258.0 -0.087 0.2238 0.0301
0.95 270.0 0.027 0.2028 0.03
Created in SINP MSU, CLAS Collaboration