CLAS Physics Database

Measurement E151M1075

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: 0.184
Q2: 0.1715 GeV2
W: 1565.0 GeV
Ebeam: 2.999 GeV
ε: 0.9229

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.15 6.0 -0.4926 0.7888 0.0469
0.15 66.0 -1.2054 0.6036 0.0931
0.15 78.0 -0.2414 0.7842 0.0348
0.15 294.0 0.4123 0.7959 0.0425
0.15 306.0 1.9935 0.8984 0.1488
0.25 66.0 0.3729 0.684 0.0405
0.25 78.0 2.0719 0.8623 0.1544
0.25 282.0 1.4137 0.7774 0.1076
0.25 294.0 -0.2952 0.612 0.037
0.35 66.0 1.2064 0.7376 0.0931
0.35 78.0 0.4158 0.9025 0.0427
0.35 270.0 0.9955 0.6732 0.0787
0.35 282.0 0.6825 0.6251 0.0582
0.35 294.0 -0.695 0.4394 0.059
0.45 54.0 -0.7003 0.78 0.0593
0.45 66.0 -0.2358 0.7555 0.0346
0.45 78.0 -1.8862 0.4752 0.1411
0.45 90.0 -1.2917 0.6318 0.0991
0.45 102.0 -1.399 0.5444 0.1066
0.45 114.0 -0.8074 0.5357 0.0662
0.45 126.0 -1.8356 0.5061 0.1375
0.45 258.0 0.2829 0.8905 0.0364
0.45 270.0 0.2262 0.6498 0.0343
0.45 282.0 0.5405 0.5673 0.0496
0.45 294.0 0.2279 0.6299 0.0343
0.55 42.0 -0.3383 0.8223 0.0389
0.55 54.0 0.0656 0.7194 0.0304
0.55 66.0 -1.2445 0.6172 0.0958
0.55 78.0 0.4798 0.7999 0.0462
0.55 90.0 0.1451 0.6966 0.0318
0.55 102.0 -0.3477 0.4964 0.0393
0.55 114.0 -0.7434 0.4601 0.0621
0.55 126.0 -0.2671 0.6498 0.0358
0.55 138.0 -0.1776 0.7139 0.0327
0.55 222.0 1.3798 0.9966 0.1052
0.55 234.0 -0.4307 0.6975 0.0435
0.55 246.0 -0.7621 0.6435 0.0633
0.55 258.0 0.8411 0.8068 0.0684
0.55 270.0 -0.1407 0.4773 0.0317
0.55 282.0 0.3702 0.5021 0.0404
0.55 306.0 -0.4383 0.5635 0.0439
0.65 66.0 0.9735 0.9539 0.0772
0.65 78.0 -1.3454 0.6174 0.1028
0.65 90.0 -0.1125 0.5783 0.0311
0.65 102.0 -0.6006 0.4131 0.0532
0.65 114.0 -0.7033 0.4011 0.0595
0.65 126.0 -0.4714 0.493 0.0457
0.65 138.0 -0.9992 0.4714 0.079
0.65 150.0 -0.3565 0.8923 0.0397
0.65 198.0 -0.0876 0.7272 0.0307
0.65 210.0 0.3442 0.5838 0.0392
0.65 222.0 1.3503 0.6467 0.1032
0.65 234.0 0.3299 0.5287 0.0385
0.65 246.0 0.4538 0.5906 0.0447
0.65 258.0 0.0843 0.7084 0.0306
0.65 270.0 -0.5908 0.5203 0.0526
0.65 294.0 1.1634 0.6059 0.0902
0.65 306.0 0.3289 0.5811 0.0384
0.75 66.0 -0.9354 0.6357 0.0747
0.75 78.0 0.2228 0.5809 0.0341
0.75 90.0 -0.0787 0.6478 0.0305
0.75 102.0 -0.1223 0.3976 0.0313
0.75 114.0 -0.0242 0.4311 0.0301
0.75 126.0 -0.6641 0.4349 0.0571
0.75 138.0 -0.5445 0.5863 0.0498
0.75 150.0 -0.1592 0.8573 0.0322
0.75 174.0 -0.5423 0.8416 0.0497
0.75 186.0 0.4709 0.6392 0.0457
0.75 198.0 0.5097 0.5533 0.0478
0.75 210.0 1.2171 0.4993 0.0939
0.75 222.0 0.9296 0.5311 0.0743
0.75 234.0 1.6319 0.5348 0.123
0.75 246.0 0.8938 0.5554 0.0719
0.75 258.0 0.1596 0.5333 0.0322
0.75 270.0 -0.139 0.749 0.0317
0.75 282.0 0.5175 0.6046 0.0483
0.75 294.0 0.1564 0.5248 0.0321
0.75 306.0 -0.2522 0.7302 0.0352
0.85 66.0 0.0797 0.5399 0.0306
0.85 78.0 -0.3408 0.3801 0.039
0.85 90.0 -0.6064 0.3999 0.0535
0.85 102.0 -0.1262 0.6123 0.0314
0.85 114.0 -0.3042 0.5147 0.0373
0.85 126.0 0.2785 0.5344 0.0363
0.85 138.0 -1.0774 0.4888 0.0843
0.85 150.0 -2.3955 0.3905 0.1776
0.85 162.0 0.1831 0.8902 0.0329
0.85 174.0 -1.4587 0.6516 0.1108
0.85 186.0 0.5924 0.7296 0.0527
0.85 198.0 -0.0345 0.5371 0.0301
0.85 210.0 0.5072 0.5011 0.0477
0.85 222.0 0.3423 0.4578 0.0391
0.85 234.0 0.5669 0.4052 0.0512
0.85 246.0 0.6469 0.4117 0.056
0.85 258.0 0.2094 0.4281 0.0337
0.85 270.0 -0.5082 0.4628 0.0477
0.85 282.0 -0.4223 0.5743 0.043
0.95 78.0 -0.7031 0.4237 0.0595
0.95 90.0 -0.817 0.3923 0.0668
0.95 102.0 -0.6634 0.5939 0.057
0.95 186.0 -0.216 0.6447 0.0339
0.95 198.0 0.8776 0.6546 0.0708
0.95 210.0 0.966 0.5198 0.0767
0.95 222.0 1.1226 0.6252 0.0874
0.95 234.0 0.4543 0.451 0.0447
0.95 246.0 0.2263 0.4158 0.0343
0.95 258.0 0.4607 0.4154 0.0451
0.95 270.0 1.1615 0.4844 0.09
0.95 282.0 0.2376 0.3992 0.0347
0.95 294.0 0.5009 0.5706 0.0473