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Measurement E151M1820

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: ALL
εL: 0.1387
Q2: 0.0844 GeV2
W: 1475.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8878

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 0.334 0.6562
0.25 78.0 -0.4891 0.6258
0.25 282.0 -0.0175 0.6421
0.25 294.0 -1.0022 0.5932
0.35 66.0 0.7413 0.5779
0.35 78.0 1.4032 0.4621
0.35 90.0 0.2421 0.7299
0.35 270.0 -0.337 0.6714
0.35 282.0 -0.4704 0.4557
0.35 294.0 0.0023 0.5567
0.35 306.0 -0.4931 0.8643
0.45 66.0 -0.162 0.6009
0.45 78.0 -1.0276 0.5402
0.45 90.0 -0.2964 0.6582
0.45 102.0 -0.372 0.8975
0.45 114.0 -0.1444 0.9247
0.45 258.0 0.7776 0.7261
0.45 270.0 -0.5172 0.5862
0.45 282.0 -0.6723 0.4295
0.45 294.0 0.9593 0.4761
0.45 306.0 -1.182 0.6987
0.55 66.0 -0.6266 0.6829
0.55 78.0 0.9342 0.5389
0.55 90.0 -1.183 0.6358
0.55 102.0 1.2587 0.5999
0.55 114.0 -0.3623 0.6159
0.55 126.0 0.2684 0.5481
0.55 138.0 -0.5909 0.8604
0.55 222.0 0.589 0.8147
0.55 234.0 -0.4868 0.6959
0.55 246.0 1.2366 0.7534
0.55 258.0 0.0126 0.7193
0.55 270.0 -0.8176 0.4903
0.55 282.0 -0.0217 0.515
0.55 294.0 -0.7447 0.7348
0.65 54.0 1.3264 0.8172
0.65 66.0 -0.1297 0.727
0.65 78.0 0.4943 0.8321
0.65 90.0 -0.2819 0.7333
0.65 102.0 -0.5696 0.6461
0.65 114.0 0.4426 0.488
0.65 126.0 0.4242 0.4927
0.65 138.0 -0.5364 0.5963
0.65 150.0 -0.0292 0.8019
0.65 198.0 -2.0439 0.6145
0.65 210.0 -0.0703 0.6412
0.65 222.0 0.7279 0.5981
0.65 234.0 -0.2265 0.5914
0.65 246.0 -0.0573 0.6102
0.65 258.0 1.5525 0.6439
0.65 270.0 -1.2128 0.5856
0.65 282.0 -0.3051 0.7296
0.65 294.0 -0.2253 0.5698
0.65 306.0 -0.1737 0.8079
0.75 66.0 0.2445 0.7703
0.75 78.0 -0.8946 0.7745
0.75 90.0 -1.0178 0.7685
0.75 102.0 -0.8554 0.6224
0.75 114.0 1.1764 0.4235
0.75 126.0 -0.9717 0.5559
0.75 138.0 -0.0169 0.5522
0.75 150.0 0.588 0.6341
0.75 162.0 -0.4508 0.8011
0.75 210.0 -0.9941 0.5326
0.75 222.0 0.2551 0.5006
0.75 234.0 0.2583 0.4606
0.75 246.0 -0.2069 0.4717
0.75 258.0 -0.0973 0.663
0.75 282.0 0.1591 0.6907
0.75 294.0 -0.3121 0.5505
0.85 90.0 0.302 0.6072
0.85 102.0 -0.8488 0.6807
0.85 114.0 -0.7566 0.6153
0.85 126.0 -0.2435 0.6336
0.85 138.0 0.6162 0.6183
0.85 150.0 -0.1467 0.7958
0.85 198.0 1.3824 0.6292
0.85 210.0 -0.2211 0.595
0.85 222.0 0.4995 0.5279
0.85 234.0 1.2394 0.5118
0.85 246.0 -0.1653 0.4853
0.85 258.0 1.5405 0.4878
0.95 210.0 0.89 0.7173
0.95 222.0 -0.4857 0.5684
0.95 234.0 0.2925 0.484
0.95 246.0 0.8686 0.4983
0.95 258.0 0.0352 0.5447
0.95 270.0 0.268 0.735
Created in SINP MSU, CLAS Collaboration