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Measurement E151M2512

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: 0.093
Q2: 0.0205 GeV2
W: 1295.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8603

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 42.0 0.1179 0.2383
0.25 42.0 0.1669 0.1885
0.25 54.0 -0.0497 0.2038
0.35 42.0 0.0926 0.1793
0.35 54.0 0.0859 0.157
0.35 66.0 0.3452 0.225
0.45 30.0 0.0856 0.1854
0.45 42.0 0.2855 0.1663
0.45 54.0 0.2711 0.1826
0.45 246.0 -0.6333 0.1961
0.45 258.0 -0.1394 0.2268
0.55 42.0 -0.0244 0.1919
0.55 54.0 0.0838 0.1639
0.55 222.0 0.0252 0.249
0.55 234.0 0.204 0.156
0.55 246.0 -0.0594 0.1433
0.55 258.0 -0.0433 0.1296
0.55 270.0 0.0935 0.1459
0.65 150.0 -0.278 0.1959
0.65 162.0 -0.1341 0.2341
0.65 174.0 0.2812 0.1872
0.65 186.0 0.1629 0.24
0.65 210.0 -0.0109 0.2099
0.65 222.0 0.0857 0.182
0.65 234.0 -0.0423 0.143
0.65 246.0 -0.0283 0.114
0.65 258.0 -0.0775 0.1138
0.65 270.0 0.217 0.1489
0.75 126.0 -0.001 0.2168
0.75 138.0 0.148 0.1755
0.75 150.0 -0.1108 0.1742
0.75 162.0 -0.0795 0.2021
0.75 174.0 0.0427 0.1636
0.75 186.0 -0.1189 0.2292
0.75 198.0 0.3503 0.2061
0.75 210.0 0.1044 0.1992
0.75 222.0 0.2828 0.1809
0.75 234.0 -0.1644 0.1377
0.75 246.0 0.0218 0.1188
0.75 258.0 -0.0756 0.1203
0.75 270.0 0.2532 0.1453
0.75 282.0 -0.1443 0.227
0.85 138.0 0.0045 0.2113
0.85 150.0 0.3859 0.1693
0.85 162.0 -0.0166 0.2012
0.85 174.0 0.2298 0.2234
0.85 198.0 -0.191 0.2455
0.85 210.0 0.088 0.233
0.85 222.0 -0.0689 0.1808
0.85 234.0 0.0071 0.1427
0.85 246.0 -0.0173 0.1274
0.85 258.0 -0.1009 0.115
0.85 270.0 -0.0506 0.1623
Created in SINP MSU, CLAS Collaboration