CLAS Physics Database

Measurement E151M2283

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: 0.1802
Q2: 0.1435 GeV2
W: 1535.0 GeV
Ebeam: 2.999 GeV
ε: 0.9348

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
-0.05 30.0 -0.7961 0.9701 0.0651
0.05 54.0 -0.3331 0.973 0.0385
0.05 66.0 -0.5877 0.8036 0.0521
0.15 54.0 0.3225 0.7997 0.038
0.15 66.0 -0.216 0.6854 0.0338
0.15 78.0 0.8195 0.7455 0.0666
0.15 282.0 -0.1064 0.9938 0.031
0.15 294.0 -0.4332 0.6365 0.0434
0.25 54.0 -0.0463 0.6913 0.0302
0.25 66.0 0.2821 0.5556 0.0363
0.25 78.0 -0.1581 0.6549 0.0321
0.25 270.0 -0.2879 1.0742 0.0365
0.25 282.0 1.6139 0.5509 0.1208
0.25 294.0 -0.3138 0.6195 0.0377
0.25 306.0 0.1982 0.7215 0.0333
0.35 54.0 -0.2629 0.8069 0.0355
0.35 66.0 -0.1183 0.5386 0.0312
0.35 78.0 0.7491 0.5418 0.0621
0.35 90.0 -0.8846 0.8047 0.0708
0.35 102.0 -0.587 0.8852 0.0521
0.35 270.0 -1.0526 0.5986 0.082
0.35 282.0 -0.6561 0.4795 0.0562
0.35 294.0 0.086 0.5187 0.0306
0.35 306.0 0.9699 0.7096 0.0765
0.45 54.0 -0.7251 0.9255 0.0605
0.45 66.0 -0.6098 0.5488 0.0534
0.45 78.0 0.1473 0.6732 0.0318
0.45 90.0 -0.1953 0.6759 0.0332
0.45 102.0 0.6102 0.6635 0.0535
0.45 114.0 -0.2476 0.5884 0.035
0.45 258.0 0.5679 0.8837 0.051
0.45 270.0 0.726 0.4929 0.0606
0.45 282.0 -0.4821 0.5026 0.0461
0.45 294.0 -0.4293 0.4542 0.0432
0.55 42.0 0.0502 0.9076 0.0302
0.55 54.0 -0.6633 0.7387 0.0567
0.55 66.0 0.3671 0.7461 0.0401
0.55 78.0 -0.2837 0.7808 0.0364
0.55 90.0 -0.9666 0.5653 0.0762
0.55 102.0 -0.0061 0.4966 0.03
0.55 114.0 -0.0214 0.4269 0.03
0.55 126.0 0.5313 0.5411 0.0488
0.55 138.0 -0.358 0.7964 0.0397
0.55 222.0 0.1792 0.9501 0.0327
0.55 234.0 -0.2657 0.7508 0.0357
0.55 246.0 -0.4049 0.7706 0.042
0.55 258.0 0.0473 0.6218 0.0302
0.55 270.0 -0.4457 0.5546 0.0441
0.55 282.0 -0.3697 0.4512 0.0402
0.55 294.0 -0.9902 0.6949 0.0778
0.55 306.0 0.7217 0.6211 0.0603
0.65 54.0 0.8641 0.6452 0.0695
0.65 66.0 0.7872 0.765 0.0645
0.65 78.0 -0.379 0.9099 0.0407
0.65 90.0 0.1689 0.4794 0.0324
0.65 102.0 0.0393 0.4344 0.0301
0.65 114.0 -0.3285 0.4338 0.0383
0.65 126.0 -0.1185 0.4628 0.0312
0.65 138.0 -1.1304 0.5207 0.0873
0.65 150.0 -0.4066 0.9255 0.0421
0.65 162.0 -0.0419 1.007 0.0302
0.65 174.0 0.5321 0.965 0.0489
0.65 186.0 -1.4175 0.8669 0.1071
0.65 198.0 -1.9096 0.7028 0.1417
0.65 210.0 -0.0811 0.6327 0.0306
0.65 222.0 -1.1125 0.5614 0.0861
0.65 234.0 0.0451 0.4716 0.0302
0.65 246.0 -0.2793 0.5178 0.0362
0.65 258.0 0.4642 0.5371 0.0451
0.65 270.0 0.2543 0.585 0.0352
0.65 282.0 -0.7089 0.733 0.0595
0.65 294.0 -0.1866 0.4976 0.0329
0.65 306.0 -0.8192 0.5006 0.0665
0.75 66.0 0.8984 0.7592 0.0717
0.75 78.0 -0.1614 0.5999 0.0322
0.75 90.0 -0.2822 0.5953 0.0363
0.75 102.0 -0.6834 0.3737 0.0579
0.75 114.0 0.4448 0.3996 0.044
0.75 126.0 0.0368 0.407 0.0301
0.75 138.0 -0.2132 0.5145 0.0337
0.75 150.0 -0.9542 0.719 0.0754
0.75 162.0 -1.4101 0.8025 0.1066
0.75 174.0 -0.4491 0.8315 0.0443
0.75 186.0 1.0407 0.7247 0.0812
0.75 198.0 -0.42 0.5972 0.0427
0.75 210.0 -0.1015 0.4738 0.0309
0.75 222.0 -0.2328 0.4772 0.0344
0.75 234.0 -0.6438 0.4133 0.0555
0.75 246.0 -0.4294 0.4204 0.0432
0.75 258.0 -0.4049 0.4487 0.042
0.75 270.0 -0.0587 0.6484 0.0303
0.75 282.0 0.5259 0.6219 0.0485
0.75 294.0 0.4271 0.443 0.0431
0.75 306.0 -0.3457 0.9088 0.0391
0.85 66.0 -0.4585 0.6784 0.0448
0.85 78.0 -0.1669 0.4311 0.0323
0.85 90.0 0.2103 0.4732 0.0337
0.85 102.0 -0.6952 0.5461 0.0587
0.85 114.0 -0.0563 0.4589 0.0303
0.85 126.0 -0.2028 0.453 0.0334
0.85 138.0 -0.2437 0.563 0.0348
0.85 150.0 -0.0598 0.7268 0.0303
0.85 162.0 -0.9651 0.7015 0.0761
0.85 186.0 -0.3229 0.6186 0.0381
0.85 198.0 -0.4328 0.5496 0.0434
0.85 210.0 -0.0352 0.4522 0.0301
0.85 222.0 -0.0783 0.3917 0.0305
0.85 234.0 0.1302 0.3682 0.0315
0.85 246.0 -0.6064 0.3692 0.0532
0.85 258.0 -0.1018 0.4222 0.0309
0.85 270.0 0.4725 0.4694 0.0455
0.85 282.0 -0.5087 0.5599 0.0475
0.85 294.0 1.9314 0.612 0.1432
0.95 78.0 -1.1135 0.5394 0.0861
0.95 90.0 0.4049 0.4972 0.042
0.95 102.0 -0.0294 0.5598 0.0301
0.95 114.0 0.6321 0.7725 0.0548
0.95 126.0 -0.1953 0.8779 0.0332
0.95 150.0 -0.2507 0.8388 0.0351
0.95 162.0 -2.1032 0.7366 0.1554
0.95 174.0 0.5532 0.6744 0.0501
0.95 186.0 0.7805 0.7463 0.0641
0.95 198.0 -0.094 0.6512 0.0308
0.95 210.0 0.7297 0.4929 0.0608
0.95 222.0 -0.1685 0.4879 0.0324
0.95 234.0 -0.1744 0.4443 0.0326
0.95 246.0 0.9233 0.3681 0.0734
0.95 258.0 0.761 0.3747 0.0628
0.95 270.0 0.3735 0.3607 0.0404
0.95 282.0 -0.5496 0.4134 0.0499
0.95 294.0 0.4969 0.6878 0.0469