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Measurement E151M539

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: 0.3844
Q2: 0.1435 GeV2
W: 1355.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9189

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 66.0 0.6445 0.613 0.0495
0.25 294.0 -1.0759 0.3984 0.0723
0.35 66.0 -0.8389 0.5408 0.0594
0.35 78.0 0.9405 0.6213 0.0649
0.45 78.0 0.1956 0.5116 0.0323
0.45 294.0 -0.7349 0.4928 0.054
0.55 66.0 0.1778 0.5486 0.0319
0.55 78.0 -0.2809 0.5929 0.0346
0.55 282.0 -1.3286 0.4442 0.0866
0.65 90.0 0.8696 0.6964 0.0611
0.65 102.0 0.3538 0.6005 0.037
0.65 114.0 -0.0054 0.5562 0.03
0.65 246.0 -0.1625 0.6058 0.0316
0.65 258.0 -0.3472 0.4543 0.0368
0.65 270.0 -0.0437 0.4366 0.0301
0.65 282.0 0.8272 0.7814 0.0588
0.75 90.0 0.4843 0.5508 0.0422
0.75 102.0 0.2188 0.4062 0.0329
0.75 114.0 -0.4155 0.4061 0.0393
0.75 126.0 -0.2086 0.5003 0.0326
0.75 138.0 -0.8014 0.5153 0.0575
0.75 222.0 0.0668 0.6002 0.0303
0.75 234.0 0.8036 0.6031 0.0576
0.75 246.0 -0.7153 0.3584 0.053
0.75 258.0 0.3668 0.4265 0.0375
0.75 270.0 -0.7293 0.3796 0.0538
0.75 282.0 -0.348 0.6275 0.0368
0.75 294.0 0.679 0.67 0.0512
0.85 90.0 1.1942 0.5448 0.079
0.85 102.0 0.0934 0.4046 0.0305
0.85 114.0 0.754 0.4642 0.055
0.85 126.0 0.3634 0.4181 0.0373
0.85 138.0 -0.6389 0.4243 0.0493
0.85 150.0 1.19 0.6748 0.0787
0.85 162.0 -0.1336 0.6929 0.0311
0.85 222.0 0.2275 0.4905 0.0331
0.85 234.0 -0.3012 0.4237 0.0352
0.85 246.0 0.2071 0.4498 0.0326
0.85 258.0 0.0164 0.4345 0.03
0.85 270.0 -0.8772 0.2852 0.0615
0.85 282.0 -0.8914 0.2848 0.0622
0.85 294.0 0.3709 0.5876 0.0376
0.95 78.0 -0.0557 0.5692 0.0302
0.95 102.0 -0.6059 0.5007 0.0477
0.95 114.0 0.3048 0.5392 0.0353
0.95 126.0 -0.2448 0.4693 0.0335
0.95 138.0 -0.5019 0.5046 0.0429
0.95 150.0 -0.2735 0.5573 0.0343
0.95 222.0 0.0059 0.4821 0.03
0.95 234.0 0.4131 0.542 0.0392
0.95 246.0 -0.2021 0.4146 0.0324
0.95 258.0 -0.7897 0.3253 0.0569
0.95 270.0 0.2683 0.426 0.0342
0.95 282.0 0.3459 0.4041 0.0367
Created in SINP MSU, CLAS Collaboration