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Measurement E151M2532

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: 0.0534
Q2: 0.0143 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8356

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 -0.3739 0.2126
0.25 54.0 0.125 0.2133
0.35 42.0 -0.0105 0.1837
0.35 54.0 0.2226 0.1787
0.45 30.0 0.1598 0.2067
0.45 42.0 -0.1706 0.1778
0.45 54.0 0.0066 0.1872
0.45 246.0 0.1104 0.2594
0.55 30.0 0.3827 0.1688
0.55 42.0 -0.0878 0.1374
0.55 54.0 0.1432 0.1614
0.55 138.0 -0.0527 0.2625
0.55 222.0 -0.1237 0.2113
0.55 234.0 -0.1358 0.1611
0.55 246.0 -0.2454 0.161
0.55 258.0 -0.1494 0.1585
0.55 270.0 -0.0069 0.246
0.65 42.0 -0.2606 0.2068
0.65 54.0 -0.2926 0.2159
0.65 138.0 0.151 0.251
0.65 150.0 0.1719 0.1806
0.65 162.0 -0.2449 0.2101
0.65 174.0 0.1652 0.2108
0.65 186.0 0.0377 0.2407
0.65 198.0 0.0937 0.2362
0.65 210.0 -0.3738 0.216
0.65 222.0 -0.0175 0.1686
0.65 234.0 -0.0113 0.1585
0.65 246.0 -0.0451 0.1309
0.65 258.0 -0.0722 0.153
0.65 270.0 0.1862 0.1814
0.75 138.0 0.2185 0.197
0.75 150.0 -0.0832 0.1984
0.75 162.0 -0.0224 0.1963
0.75 174.0 0.2085 0.1768
0.75 198.0 -0.2216 0.2401
0.75 222.0 0.0093 0.1618
0.75 234.0 0.1018 0.1391
0.75 246.0 0.1134 0.1291
0.75 258.0 0.08 0.1383
0.75 270.0 -0.2944 0.1835
0.85 138.0 -0.0432 0.2367
0.85 162.0 0.3534 0.2414
0.85 222.0 -0.2132 0.1691
0.85 234.0 -0.1928 0.1408
0.85 246.0 0.1666 0.1429
0.85 258.0 -0.112 0.1529
0.85 270.0 -0.2232 0.221
Created in SINP MSU, CLAS Collaboration