CLAS Physics Database

Measurement E151M1999

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: 0.1938
Q2: 0.0593 GeV2
W: 1355.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9565

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 54.0 -2.1215 1.2945 0.1973
0.25 66.0 -0.4202 0.4838 0.0503
0.25 78.0 -0.5882 0.5578 0.0554
0.25 294.0 -0.2139 0.4405 0.0455
0.25 306.0 0.6022 0.4933 0.0544
0.35 66.0 0.2487 0.4584 0.0357
0.35 78.0 -0.0461 0.4467 0.0328
0.35 282.0 0.643 0.4722 0.0609
0.35 294.0 -0.056 0.4079 0.0372
0.35 306.0 0.5921 0.4742 0.0507
0.45 66.0 0.1225 0.4207 0.0615
0.45 78.0 0.1255 0.3822 0.0314
0.45 90.0 -0.7934 0.4914 0.0635
0.45 270.0 -0.0926 0.567 0.0478
0.45 282.0 0.1676 0.4552 0.0463
0.45 294.0 -0.4131 0.368 0.0499
0.45 306.0 0.0411 0.5401 0.0377
0.55 66.0 0.6723 0.4201 0.0543
0.55 78.0 -0.5527 0.4182 0.0532
0.55 90.0 0.3683 0.5132 0.0413
0.55 102.0 -0.3938 0.6297 0.0394
0.55 114.0 -0.9302 0.6758 0.0675
0.55 246.0 -0.0225 0.8042 0.03
0.55 258.0 0.596 0.5842 0.0821
0.55 270.0 0.3625 0.5171 0.0389
0.55 282.0 -0.1979 0.431 0.0538
0.55 294.0 -0.5504 0.4301 0.0485
0.65 66.0 -0.1809 0.6129 0.0324
0.65 78.0 0.6913 0.4757 0.0553
0.65 90.0 1.4346 0.5954 0.098
0.65 102.0 0.1485 0.4979 0.081
0.65 114.0 0.0315 0.4722 0.065
0.65 126.0 0.3574 0.5324 0.0467
0.65 138.0 0.9443 0.7249 0.0684
0.65 222.0 0.105 1.3763 0.0315
0.65 234.0 0.3058 0.5686 0.0375
0.65 246.0 0.0222 0.469 0.0331
0.65 258.0 0.8458 0.468 0.0688
0.65 270.0 0.4024 0.4666 0.0589
0.75 90.0 1.5117 1.606 0.1421
0.75 102.0 0.5515 1.2301 0.0589
0.75 114.0 -0.4258 0.9712 0.0493
0.75 126.0 -0.8803 0.9776 0.0863
0.75 138.0 -2.825 1.1455 0.2614
0.75 150.0 -0.2906 1.4724 0.0402
0.75 198.0 0.2214 1.5989 0.0362
0.75 222.0 -2.3043 1.2009 0.2139
0.75 234.0 -0.3512 1.0591 0.0441
0.75 246.0 -0.4654 0.8349 0.0522
0.75 258.0 -0.0519 0.8832 0.0304
0.75 270.0 1.1174 0.9357 0.107
0.85 102.0 -2.743 1.6092 0.2539
0.85 114.0 -0.4622 1.3577 0.052
0.85 126.0 0.8265 1.1614 0.0817
0.85 138.0 0.3491 1.304 0.0439
0.85 150.0 1.272 1.6849 0.1207
0.85 162.0 2.0581 1.881 0.1915
0.85 198.0 1.589 1.7841 0.1491
0.85 210.0 -0.3144 1.5797 0.0417
0.85 222.0 0.4884 1.1719 0.054
0.85 234.0 -0.6357 1.0584 0.0657
0.85 246.0 -0.6323 0.8721 0.0654
0.85 258.0 -1.9505 0.7858 0.1817
0.85 270.0 -2.6934 0.8777 0.2493
0.95 126.0 -1.2308 5.3191 0.117
0.95 210.0 2.9928 4.3569 0.2767
0.95 222.0 -6.857 4.0692 0.6309
0.95 234.0 1.7529 3.5829 0.1639
0.95 246.0 -0.0232 4.0153 0.0301
0.95 258.0 6.5755 3.7236 0.6051
0.65 282.0 -0.0281 0.6364 0.0301
0.75 90.0 -0.7258 0.759 0.0559
0.75 102.0 0.4989 0.5048 0.0442
0.75 114.0 0.2252 0.4382 0.0334
0.75 126.0 0.3903 0.5261 0.0393
0.75 138.0 -0.0544 0.5623 0.0302
0.75 150.0 -0.8921 0.733 0.0653
0.75 210.0 0.9621 0.7169 0.0694
0.75 222.0 -0.2171 0.5921 0.0332
0.75 234.0 0.0674 0.548 0.0303
0.75 246.0 0.2151 0.4525 0.0331
0.75 258.0 0.4729 0.464 0.043
0.75 270.0 -0.3809 0.589 0.0389
0.85 102.0 -0.7516 0.715 0.0574
0.85 114.0 0.0048 0.5316 0.03
0.85 126.0 -0.5861 0.5528 0.0485
0.85 138.0 1.311 0.6551 0.0904
0.85 150.0 -0.8632 0.6629 0.0637
0.85 162.0 0.6331 0.9198 0.051
0.85 210.0 -0.3998 0.7402 0.0397
0.85 222.0 0.8224 0.576 0.0613
0.85 234.0 0.4096 0.5235 0.0401
0.85 246.0 0.011 0.492 0.03
0.85 258.0 0.7994 0.4771 0.06
0.85 270.0 0.3085 0.4764 0.0361
0.95 138.0 1.8802 1.2904 0.1259
0.95 198.0 1.5698 1.4615 0.1064
0.95 210.0 0.3743 1.4653 0.0386
0.95 222.0 0.7194 1.1678 0.0556
0.95 234.0 -0.7827 1.1364 0.0591
0.95 246.0 -0.1577 1.0571 0.0317
0.95 258.0 -0.9058 1.0872 0.0661