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Measurement E151M2520

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: 0.3049
Q2: 0.0844 GeV2
W: 1295.0 GeV
Ebeam: 1.0539 GeV
ε: 0.796

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.05 42.0 0.2657 0.253
0.15 42.0 -0.1351 0.2269
0.25 30.0 0.4039 0.2243
0.25 42.0 0.1356 0.2404
0.35 42.0 -0.2774 0.2347
0.45 270.0 0.0498 0.2521
0.45 282.0 0.1302 0.235
0.55 246.0 0.3269 0.2176
0.55 258.0 0.0812 0.1775
0.55 270.0 -0.0954 0.1865
0.55 282.0 0.0886 0.2069
0.65 234.0 -0.1519 0.1976
0.65 246.0 0.1345 0.1584
0.65 258.0 0.1805 0.1494
0.65 270.0 0.019 0.141
0.65 282.0 -0.257 0.1719
0.75 126.0 -0.0496 0.2462
0.75 138.0 0.052 0.1836
0.75 150.0 0.1393 0.1793
0.75 162.0 -0.0387 0.2472
0.75 234.0 0.0069 0.1867
0.75 246.0 -0.0917 0.1585
0.75 258.0 -0.0758 0.1365
0.75 270.0 -0.1696 0.1501
0.75 282.0 -0.0497 0.16
0.85 114.0 0.3889 0.187
0.85 126.0 -0.0815 0.164
0.85 138.0 -0.1518 0.1522
0.85 150.0 -0.0564 0.1788
0.85 162.0 -0.0394 0.194
0.85 174.0 0.0362 0.1873
0.85 186.0 0.1523 0.1793
0.85 198.0 -0.2258 0.2245
0.85 234.0 -0.3891 0.1968
0.85 246.0 0.4413 0.1658
0.85 258.0 -0.1028 0.1455
0.85 270.0 -0.1956 0.1543
0.85 282.0 0.1281 0.1497
0.85 294.0 0.0894 0.2542
0.95 90.0 0.3496 0.2329
0.95 102.0 0.1141 0.208
0.95 114.0 -0.0819 0.2558
0.95 126.0 -0.0187 0.2255
0.95 138.0 0.035 0.2052
0.95 150.0 0.2875 0.2089
0.95 162.0 -0.2019 0.2007
0.95 174.0 0.0124 0.2293
0.95 186.0 0.1463 0.2097
0.95 234.0 -0.2875 0.2502
0.95 246.0 -0.1483 0.2316
0.95 258.0 0.046 0.2565
0.95 270.0 -0.3512 0.2201
Created in SINP MSU, CLAS Collaboration