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Measurement E151M1862

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: 0.0566
Q2: 0.0496 GeV2
W: 1565.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8489

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 30.0 -0.5632 0.9485 0.0454
0.25 78.0 1.1186 0.8472 0.0741
0.25 282.0 -0.1824 0.9017 0.032
0.35 18.0 -0.2034 0.8086 0.0324
0.35 66.0 -0.7545 0.9854 0.0547
0.35 78.0 0.2885 0.7545 0.0347
0.35 90.0 1.2895 0.8911 0.0837
0.35 270.0 0.0591 0.6935 0.0302
0.35 282.0 -0.3654 0.7323 0.0373
0.35 294.0 -1.028 0.778 0.0691
0.45 66.0 -0.0989 0.8686 0.0306
0.45 78.0 -0.1278 0.6392 0.031
0.45 90.0 -2.4877 2.4877 0.1537
0.45 114.0 -0.9014 0.8629 0.0623
0.45 126.0 -1.3046 0.7944 0.0846
0.45 138.0 0.0929 0.9323 0.0305
0.45 210.0 -0.5624 0.9054 0.0454
0.45 258.0 0.2505 0.8282 0.0336
0.45 270.0 -0.869 0.6615 0.0606
0.45 282.0 -0.2069 0.6338 0.0325
0.45 294.0 0.422 0.9013 0.0394
0.55 78.0 -0.0014 0.7871 0.03
0.55 90.0 -1.3722 0.8128 0.0884
0.55 102.0 -1.2561 0.8006 0.0818
0.55 114.0 -0.4575 0.7378 0.0408
0.55 126.0 0.1185 0.7174 0.0308
0.55 138.0 -0.8435 0.7011 0.0593
0.55 150.0 -1.4626 0.8547 0.0936
0.55 198.0 -0.6981 0.8483 0.0519
0.55 210.0 0.4348 0.7564 0.0399
0.55 222.0 -0.2406 0.7412 0.0334
0.55 234.0 0.9662 0.8164 0.0658
0.55 246.0 -1.667 0.7472 0.1054
0.55 258.0 -0.2171 0.7607 0.0328
0.55 270.0 -0.7918 0.5568 0.0566
0.55 282.0 -0.3268 0.6555 0.0359
0.55 294.0 -0.3402 0.8244 0.0364
0.65 66.0 0.7615 0.8148 0.055
0.65 78.0 0.4687 0.9388 0.0413
0.65 102.0 -0.6505 0.9114 0.0495
0.65 114.0 -0.0704 0.703 0.0303
0.65 126.0 0.2003 0.6481 0.0324
0.65 138.0 0.0862 0.6942 0.0305
0.65 150.0 -0.749 0.7116 0.0544
0.65 186.0 0.0466 0.8417 0.0301
0.65 198.0 0.5263 0.7089 0.0438
0.65 210.0 -0.3772 0.7451 0.0377
0.65 222.0 0.1289 0.6395 0.031
0.65 234.0 -0.5656 0.6266 0.0455
0.65 246.0 0.2678 0.697 0.0341
0.65 258.0 -0.769 0.7424 0.0554
0.65 270.0 0.1584 0.8106 0.0315
0.65 282.0 0.4984 0.696 0.0426
0.65 294.0 1.1965 0.6485 0.0785
0.75 66.0 -0.6489 0.7087 0.0495
0.75 78.0 0.7013 0.8083 0.052
0.75 90.0 -1.2417 0.884 0.081
0.75 114.0 -0.9879 0.8235 0.067
0.75 126.0 -0.9003 0.6101 0.0623
0.75 138.0 0.488 0.6177 0.0421
0.75 150.0 0.3401 0.8168 0.0364
0.75 162.0 -1.5469 0.9416 0.0984
0.75 198.0 -0.4103 0.6728 0.039
0.75 210.0 -1.0834 0.613 0.0722
0.75 222.0 0.9471 0.5383 0.0648
0.75 234.0 -0.4587 0.5731 0.0409
0.75 246.0 0.7341 0.7995 0.0537
0.75 258.0 -0.5602 0.8974 0.0453
0.75 270.0 -0.353 0.6006 0.0368
0.75 282.0 0.0166 0.5255 0.03
0.75 294.0 1.0459 0.6556 0.0701
0.85 102.0 -1.6794 0.6258 0.1061
0.85 114.0 -0.4666 0.6294 0.0412
0.85 126.0 -0.3597 0.9215 0.0371
0.85 186.0 0.8669 0.9355 0.0605
0.85 198.0 0.7479 0.7397 0.0543
0.85 210.0 -0.4644 0.6118 0.0411
0.85 222.0 0.5778 0.5661 0.0461
0.85 234.0 0.1102 0.5431 0.0307
0.85 246.0 0.7468 0.6176 0.0543
0.85 258.0 -0.091 0.8201 0.0305
0.95 126.0 2.0415 0.7118 0.1273
0.95 138.0 0.0471 0.8741 0.0301
0.95 210.0 -1.0616 0.8105 0.071
0.95 222.0 0.8025 0.7051 0.0571
0.95 234.0 -0.7228 0.7684 0.0531
0.95 246.0 0.1311 0.7776 0.031
Created in SINP MSU, CLAS Collaboration