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Measurement E151M2728

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: 0.3593
Q2: 0.1205 GeV2
W: 1325.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8394

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 258.0 0.3451 0.2081
0.55 270.0 0.0041 0.1912
0.65 246.0 0.0035 0.1685
0.65 258.0 -0.2877 0.1609
0.65 270.0 -0.1545 0.1637
0.65 282.0 0.3576 0.1739
0.75 102.0 -0.0098 0.2315
0.75 114.0 0.1143 0.1614
0.75 126.0 0.1172 0.173
0.75 138.0 0.1004 0.1898
0.75 150.0 0.5416 0.3124
0.75 222.0 -0.1523 0.3693
0.75 234.0 0.3042 0.1933
0.75 246.0 -0.091 0.1559
0.75 258.0 -0.0186 0.1612
0.75 270.0 0.0822 0.1492
0.75 282.0 -0.6286 0.1148
0.85 102.0 0.3922 0.1694
0.85 114.0 -0.0137 0.161
0.85 126.0 0.1397 0.148
0.85 138.0 0.3308 0.1609
0.85 150.0 0.0494 0.1772
0.85 162.0 -0.2121 0.2324
0.85 174.0 0.4203 0.2277
0.85 234.0 0.5119 0.1436
0.85 246.0 0.2127 0.1488
0.85 258.0 -0.0832 0.1511
0.85 270.0 -0.0246 0.1345
0.85 282.0 -0.0743 0.1455
0.85 294.0 0.2679 0.2052
0.95 66.0 -0.1124 0.2095
0.95 78.0 0.273 0.1642
0.95 90.0 0.0371 0.2029
0.95 126.0 -0.072 0.3779
0.95 138.0 0.1409 0.2325
0.95 150.0 -0.2358 0.1903
0.95 162.0 -0.0475 0.2697
0.95 174.0 0.047 0.2501
0.95 234.0 -0.645 0.2265
0.95 246.0 0.3378 0.1854
0.95 258.0 0.2352 0.1875
0.95 270.0 -0.0439 0.1789
0.95 282.0 0.3241 0.1893
0.95 294.0 0.2729 0.2006
Created in SINP MSU, CLAS Collaboration