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Measurement E151M2720

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: 0.1126
Q2: 0.0291 GeV2
W: 1325.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8971

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 30.0 -0.2321 0.3868
0.15 42.0 0.0581 0.2185
0.25 30.0 0.4723 0.1481
0.25 42.0 -0.1642 0.1863
0.25 54.0 -0.7756 0.1146
0.35 30.0 -0.7599 0.1764
0.35 42.0 0.1744 0.1734
0.35 54.0 -0.1917 0.2077
0.45 30.0 0.1846 0.1986
0.45 42.0 0.2599 0.1871
0.55 30.0 -0.4103 0.2385
0.55 42.0 -0.119 0.2079
0.55 234.0 -0.2238 0.1634
0.55 246.0 0.1818 0.1558
0.55 258.0 -0.086 0.1499
0.55 270.0 0.0971 0.1957
0.65 114.0 -0.0025 0.2215
0.65 126.0 0.118 0.1727
0.65 138.0 0.3285 0.1448
0.65 150.0 0.0612 0.1859
0.65 162.0 0.4767 0.3235
0.65 210.0 0.3691 0.3679
0.65 222.0 -0.1122 0.1527
0.65 234.0 -0.0815 0.1213
0.65 246.0 0.1374 0.1126
0.65 258.0 -0.1569 0.1172
0.65 270.0 -0.0185 0.176
0.75 114.0 0.1168 0.1905
0.75 126.0 0.0861 0.1506
0.75 138.0 -0.0409 0.1237
0.75 150.0 -0.2239 0.1508
0.75 162.0 0.1726 0.1648
0.75 174.0 0.0832 0.1768
0.75 210.0 0.2582 0.1595
0.75 222.0 -0.2161 0.1493
0.75 234.0 0.0601 0.125
0.75 246.0 -0.0934 0.1102
0.75 258.0 -0.0972 0.1233
0.75 270.0 -0.2071 0.1476
0.85 114.0 0.0632 0.2396
0.85 126.0 -0.3097 0.1638
0.85 138.0 0.0479 0.155
0.85 150.0 0.057 0.1622
0.85 162.0 0.2688 0.1759
0.85 174.0 0.083 0.1685
0.85 198.0 -0.0259 0.3829
0.85 210.0 0.0191 0.1978
0.85 222.0 -0.1679 0.1406
0.85 234.0 -0.1406 0.1387
0.85 246.0 -0.0146 0.1241
0.85 258.0 -0.0467 0.1204
0.85 270.0 0.139 0.1494
0.95 114.0 -0.2517 0.3173
0.95 126.0 0.1586 0.1924
0.95 138.0 -0.8059 0.1661
0.95 210.0 0.2866 0.3521
0.95 222.0 -0.0406 0.4096
0.95 234.0 -0.1826 0.178
0.95 246.0 -0.253 0.1567
0.95 258.0 -0.4354 0.1455
Created in SINP MSU, CLAS Collaboration