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Measurement E151M2653

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: 0.7216
Q2: 0.101 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9181

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.45 282.0 -0.1823 0.1862 0.0302
0.55 270.0 -0.3563 0.354 0.0308
0.55 282.0 -0.1798 0.3039 0.0302
0.55 294.0 -0.4694 0.2657 0.0314
0.65 270.0 -0.0421 0.3495 0.03
0.65 282.0 -0.0509 0.3031 0.03
0.75 270.0 -0.0668 0.3813 0.03
0.75 282.0 -0.15 0.3449 0.0301
0.85 126.0 0.1989 0.3564 0.0303
0.85 138.0 0.24 0.3552 0.0304
0.85 282.0 0.5662 0.3222 0.0321
0.95 102.0 0.5804 0.2317 0.0322
0.95 114.0 -0.0404 0.3548 0.03
0.95 126.0 -0.1848 0.3398 0.0302
0.95 138.0 0.4315 0.2729 0.0312
0.95 150.0 -0.1453 0.3561 0.0301
0.95 162.0 -0.2783 0.3623 0.0305
0.95 174.0 0.5013 0.2706 0.0316
0.95 186.0 0.3961 0.3455 0.031
0.95 198.0 -0.3234 0.2495 0.0307
0.95 210.0 -0.1126 0.3805 0.0301
0.45 294.0 0.0829 0.2688 0.03
0.55 270.0 -0.1594 0.21 0.0302
0.55 282.0 -0.1788 0.2013 0.0302
0.55 294.0 0.0364 0.2366 0.03
0.65 270.0 -0.0496 0.2225 0.03
0.65 282.0 -0.1426 0.2524 0.0301
0.75 270.0 -0.0038 0.1979 0.03
0.75 282.0 -0.0873 0.2527 0.0301
0.95 102.0 0.0885 0.2787 0.0301
0.95 114.0 0.0052 0.2637 0.03
0.95 138.0 -0.366 0.2343 0.0309
0.95 174.0 -0.0237 0.2633 0.03
0.95 186.0 0.1357 0.2531 0.0301
0.95 210.0 0.4887 0.2172 0.0316
0.95 222.0 0.0369 0.2607 0.03
Created in SINP MSU, CLAS Collaboration