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Measurement E151M785

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: AUL
εL: 0.5481
Q2: 0.2445 GeV2
W: 1355.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9168

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.75 78.0 0.5948 1.3577
0.75 90.0 -0.1526 1.185
0.75 102.0 -0.6386 1.2932
0.75 246.0 0.3066 1.112
0.75 258.0 -1.95 0.9188
0.75 270.0 -0.0943 0.9036
0.75 282.0 0.6295 1.1662
0.85 90.0 1.4067 1.4998
0.85 102.0 2.2994 1.53
0.85 114.0 0.8097 1.4911
0.85 258.0 -1.0663 1.0392
0.85 270.0 -1.3886 0.9972
0.85 282.0 0.9001 1.2647
0.85 294.0 -0.0409 1.0922
0.95 90.0 -3.0509 3.8759
0.95 102.0 10.1166 4.1251
0.95 282.0 0.708 3.0139
0.95 294.0 -1.9912 3.257
0.65 90.0 -0.0344 0.5936
0.65 102.0 -0.3614 0.5985
0.65 258.0 0.1338 0.6197
0.75 90.0 0.1528 0.5875
0.75 102.0 0.1609 0.5806
0.75 246.0 -0.7664 0.524
0.75 258.0 -0.689 0.5388
0.75 270.0 0.8148 0.6534
0.75 282.0 -0.2044 0.4753
0.75 294.0 1.0976 0.6449
0.85 90.0 0.9772 0.6288
0.85 102.0 0.1739 0.6489
0.85 138.0 -1.1226 0.5793
0.85 222.0 -1.4827 0.5612
0.85 234.0 -1.4231 0.5181
0.85 246.0 2.2149 0.7117
0.85 258.0 -0.1263 0.5832
0.85 270.0 0.2826 0.6537
0.85 282.0 0.165 0.5174
0.85 294.0 0.2146 0.5224
0.85 306.0 -0.6691 0.5351
0.95 258.0 -0.2922 1.0324
0.95 282.0 -0.462 0.7855
0.95 294.0 -0.8734 0.8606
0.95 306.0 -0.4427 0.9038
Created in SINP MSU, CLAS Collaboration