CLAS Physics Database

Measurement E151M597

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: 0.1192
Q2: 0.0707 GeV2
W: 1475.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8924

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.15 30.0 2.0954 0.6711 0.1316
0.15 54.0 -0.7925 0.63 0.057
0.25 18.0 0.5855 0.7028 0.0467
0.25 42.0 1.5489 0.6705 0.0994
0.25 54.0 0.3535 0.6788 0.037
0.25 66.0 0.9619 0.6164 0.066
0.25 78.0 -0.0255 0.6259 0.03
0.25 90.0 0.599 0.7957 0.0474
0.25 282.0 -0.4002 0.4436 0.0387
0.25 294.0 0.2467 0.5842 0.0336
0.25 306.0 -0.6441 0.5488 0.0495
0.35 18.0 -0.3898 0.6576 0.0383
0.35 30.0 0.608 0.7681 0.0478
0.35 54.0 -0.1356 0.6559 0.0311
0.35 66.0 0.7334 0.4991 0.054
0.35 78.0 0.0093 0.3993 0.03
0.35 90.0 -0.466 0.5115 0.0414
0.35 258.0 -0.9583 0.5921 0.0658
0.35 270.0 0.0346 0.524 0.0301
0.35 282.0 0.0671 0.4119 0.0303
0.35 294.0 -0.7204 0.384 0.0533
0.35 306.0 0.384 0.651 0.0381
0.35 318.0 -0.6027 0.6337 0.0475
0.35 330.0 -1.4259 0.4832 0.0922
0.45 66.0 -0.4367 0.4642 0.0402
0.45 78.0 0.4611 0.4323 0.0412
0.45 90.0 -0.6231 0.471 0.0485
0.45 102.0 -0.302 0.657 0.0352
0.45 114.0 -0.838 0.6097 0.0594
0.45 258.0 -0.2345 0.5739 0.0333
0.45 270.0 -0.1165 0.389 0.0308
0.45 282.0 0.5979 0.3815 0.0473
0.45 294.0 -0.0703 0.3997 0.0303
0.45 306.0 -1.1261 0.494 0.0751
0.55 66.0 -0.3134 0.5758 0.0356
0.55 78.0 1.1544 0.4584 0.0767
0.55 90.0 -0.7877 0.4045 0.0568
0.55 102.0 0.9525 0.5581 0.0655
0.55 114.0 -0.2583 0.5057 0.0339
0.55 126.0 -0.5526 0.471 0.0452
0.55 138.0 -0.0561 0.6598 0.0302
0.55 222.0 0.3386 0.6759 0.0365
0.55 234.0 0.8011 0.5452 0.0575
0.55 246.0 1.3924 0.6011 0.0903
0.55 258.0 0.5612 0.5298 0.0456
0.55 270.0 0.5322 0.4188 0.0443
0.55 282.0 0.2139 0.3864 0.0327
0.55 294.0 0.0852 0.4787 0.0304
0.55 306.0 0.8772 0.687 0.0615
0.65 66.0 -0.0626 0.4822 0.0302
0.65 78.0 0.6224 0.5537 0.0485
0.65 90.0 -0.2612 0.5745 0.034
0.65 102.0 -0.0785 0.4551 0.0304
0.65 114.0 0.2561 0.4144 0.0338
0.65 126.0 -0.2841 0.4132 0.0347
0.65 138.0 -0.7185 0.4207 0.0532
0.65 150.0 0.1716 0.597 0.0318
0.65 210.0 -0.6562 0.4606 0.0501
0.65 222.0 0.4458 0.4722 0.0405
0.65 234.0 0.5899 0.4512 0.0469
0.65 246.0 0.0206 0.4285 0.03
0.65 258.0 -0.5497 0.401 0.0451
0.65 270.0 0.5545 0.5537 0.0453
0.65 282.0 0.2099 0.6104 0.0326
0.65 294.0 -0.0692 0.4437 0.0303
0.65 306.0 0.3715 0.5478 0.0376
0.75 66.0 -0.5804 0.5221 0.0465
0.75 78.0 -0.0519 0.699 0.0302
0.75 102.0 -0.1905 0.5268 0.0322
0.75 114.0 -0.1615 0.4076 0.0316
0.75 126.0 -0.3697 0.3706 0.0376
0.75 138.0 -0.9153 0.3484 0.0635
0.75 150.0 -0.7304 0.4656 0.0538
0.75 198.0 1.2088 0.6508 0.0798
0.75 210.0 0.5655 0.4716 0.0458
0.75 222.0 0.9765 0.3953 0.0668
0.75 234.0 0.228 0.3951 0.0331
0.75 246.0 0.6979 0.4159 0.0522
0.75 258.0 1.4365 0.5146 0.0928
0.75 270.0 0.6789 0.7963 0.0512
0.75 282.0 -0.35 0.384 0.0369
0.75 294.0 0.6223 0.5689 0.0485
0.85 90.0 0.0611 0.5104 0.0302
0.85 102.0 -0.3286 0.4685 0.0361
0.85 114.0 -0.3907 0.6217 0.0384
0.85 126.0 -0.3321 0.4824 0.0362
0.85 138.0 -1.0105 0.4074 0.0687
0.85 150.0 -0.3755 0.5939 0.0378
0.85 198.0 0.6188 0.7403 0.0483
0.85 210.0 -0.1323 0.4845 0.0311
0.85 222.0 0.6839 0.3893 0.0515
0.85 234.0 1.0965 0.3826 0.0735
0.85 246.0 0.322 0.4114 0.0359
0.85 258.0 0.2683 0.4025 0.0342
0.85 270.0 0.1718 0.6838 0.0318
0.95 102.0 -1.0838 0.4633 0.0728
0.95 114.0 -1.0252 0.4421 0.0695
0.95 210.0 -0.1052 0.6123 0.0307
0.95 222.0 0.9733 0.4995 0.0667
0.95 234.0 -0.0584 0.426 0.0302
0.95 246.0 1.1509 0.4308 0.0765
0.95 258.0 -0.7003 0.4939 0.0523