CLAS Physics Database

Measurement E151M2331

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: 0.084
Q2: 0.101 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.9074

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 54.0 -0.2487 0.8847 0.035
0.15 66.0 -0.1708 0.9015 0.0325
0.25 54.0 -1.1342 0.7301 0.0875
0.25 66.0 0.8525 0.869 0.0687
0.25 78.0 -0.8454 0.7627 0.0682
0.25 270.0 -1.6903 0.7715 0.1262
0.25 282.0 -0.3877 0.8055 0.0411
0.35 66.0 1.2704 0.5828 0.0969
0.35 78.0 -0.3401 0.7524 0.0388
0.35 114.0 2.0116 0.8393 0.1489
0.35 258.0 -0.554 0.8108 0.0501
0.35 270.0 0.0592 0.6926 0.0303
0.35 282.0 -0.2983 0.6584 0.037
0.35 294.0 1.3966 0.726 0.1056
0.45 66.0 -0.0281 0.6133 0.0301
0.45 78.0 0.1066 0.7594 0.031
0.45 90.0 0.6459 0.912 0.0556
0.45 102.0 -1.254 0.6703 0.0958
0.45 114.0 0.6051 0.6349 0.0532
0.45 126.0 0.2595 0.8039 0.0354
0.45 138.0 -1.0329 0.8296 0.0807
0.45 210.0 0.9288 1.0293 0.0737
0.45 222.0 -0.6614 0.9408 0.0566
0.45 246.0 -0.5031 0.9336 0.0472
0.45 258.0 0.1703 0.644 0.0324
0.45 270.0 0.7283 0.5059 0.0607
0.45 282.0 0.4997 0.4711 0.047
0.45 294.0 0.6867 0.6329 0.0581
0.55 54.0 -0.9809 0.8571 0.0772
0.55 66.0 -0.1457 0.6585 0.0318
0.55 78.0 -0.5458 0.7477 0.0497
0.55 90.0 -1.1011 0.6526 0.0853
0.55 102.0 0.8588 0.6172 0.0691
0.55 114.0 -0.3363 0.5843 0.0387
0.55 126.0 -0.505 0.5604 0.0473
0.55 138.0 0.3469 0.7305 0.0392
0.55 150.0 -1.3431 0.9155 0.1019
0.55 186.0 0.0479 0.9224 0.0302
0.55 198.0 -1.4649 0.8112 0.1104
0.55 210.0 0.4914 0.7791 0.0466
0.55 222.0 -0.6065 0.6536 0.0532
0.55 234.0 1.1388 0.731 0.0879
0.55 246.0 0.9424 0.6476 0.0746
0.55 258.0 -1.0229 0.6069 0.08
0.55 270.0 0.0156 0.5287 0.03
0.55 282.0 -0.4798 0.6045 0.0459
0.65 42.0 -1.1925 0.7268 0.0915
0.65 54.0 0.7496 0.5684 0.0621
0.65 66.0 -0.7333 0.6875 0.0611
0.65 78.0 -0.4035 0.873 0.0419
0.65 90.0 -1.0907 0.75 0.0846
0.65 102.0 0.7289 0.5546 0.0608
0.65 114.0 -0.0724 0.506 0.0305
0.65 126.0 -0.1977 0.4791 0.0332
0.65 138.0 -0.6294 0.5788 0.0546
0.65 150.0 -0.9082 0.7666 0.0724
0.65 174.0 -0.8719 0.8427 0.07
0.65 186.0 -0.8661 0.7074 0.0696
0.65 198.0 -0.3399 0.6095 0.0388
0.65 210.0 0.422 0.5428 0.0429
0.65 222.0 1.0441 0.5528 0.0814
0.65 234.0 0.1915 0.6722 0.0331
0.65 246.0 0.2058 0.721 0.0335
0.65 258.0 -0.1197 0.6552 0.0312
0.65 270.0 -0.5402 0.7207 0.0493
0.65 282.0 -0.6634 0.5822 0.0567
0.65 294.0 0.3875 0.5026 0.0411
0.65 306.0 -0.2792 0.7427 0.0362
0.75 66.0 2.5208 2.5208 0.1852
0.75 78.0 0.1027 0.8802 0.0309
0.75 90.0 -0.0383 0.547 0.0301
0.75 102.0 0.7415 0.6384 0.0616
0.75 114.0 -0.3332 0.5894 0.0385
0.75 126.0 0.1921 0.5361 0.0331
0.75 138.0 -1.45 0.5945 0.1093
0.75 150.0 0.0224 0.9253 0.03
0.75 174.0 -0.0664 0.7747 0.0304
0.75 186.0 -1.4011 0.6228 0.1059
0.75 198.0 -0.688 0.5687 0.0582
0.75 210.0 -0.5516 0.5421 0.05
0.75 222.0 -0.2376 0.4982 0.0346
0.75 234.0 1.0671 0.5396 0.083
0.75 246.0 -0.6677 0.6306 0.057
0.75 258.0 0.9558 0.9147 0.0755
0.75 270.0 0.4618 0.4938 0.045
0.75 282.0 -0.3273 0.4251 0.0383
0.75 294.0 0.3301 0.4854 0.0384
0.85 78.0 0.3638 0.6344 0.0399
0.85 90.0 -0.3049 0.5002 0.0373
0.85 102.0 -0.0071 0.4279 0.03
0.85 114.0 0.7728 0.5785 0.0636
0.85 126.0 0.3208 0.7401 0.038
0.85 138.0 -0.0994 0.9975 0.0309
0.85 150.0 -2.7984 2.7984 0.2051
0.85 162.0 -0.0342 0.9089 0.0301
0.85 174.0 -0.7942 0.59 0.0649
0.85 186.0 -2.0947 0.5372 0.1548
0.85 198.0 -1.2975 0.5087 0.0988
0.85 210.0 -0.2161 0.4682 0.0338
0.85 222.0 -0.6686 0.4374 0.057
0.85 234.0 0.1526 0.4773 0.032
0.85 246.0 -0.1099 0.5819 0.031
0.85 258.0 0.2077 0.6838 0.0336
0.85 270.0 0.558 0.781 0.0504
0.85 282.0 -0.403 0.632 0.0419
0.95 90.0 -0.408 0.6958 0.0421
0.95 102.0 0.172 0.6276 0.0325
0.95 114.0 -0.0821 0.7225 0.0306
0.95 126.0 -0.0931 0.8244 0.0308
0.95 186.0 -0.7243 0.7445 0.0605
0.95 198.0 0.0906 0.5963 0.0307
0.95 210.0 0.5189 0.5694 0.0481
0.95 222.0 -1.321 0.4998 0.1004
0.95 234.0 1.0306 0.5525 0.0805
0.95 246.0 -0.5702 0.6538 0.0511
0.95 258.0 -0.6702 0.6566 0.0571