CLAS Physics Database

Measurement E151M1005

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: 0.4979
Q2: 0.2445 GeV2
W: 1385.0 GeV
Ebeam: 2.999 GeV
ε: 0.9509

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.05 54.0 0.2696 0.7518 0.0359
0.05 66.0 -0.6276 0.5939 0.0548
0.05 306.0 0.172 0.6854 0.0325
0.15 54.0 0.1764 0.696 0.0327
0.15 66.0 1.1118 0.6613 0.0866
0.15 294.0 -0.3057 0.5151 0.0374
0.15 306.0 -0.1698 0.5887 0.0325
0.25 54.0 0.5649 0.7305 0.051
0.25 66.0 0.1635 0.5257 0.0323
0.25 78.0 2.4475 2.4475 0.1814
0.25 282.0 0.5479 0.763 0.05
0.25 294.0 -0.1595 0.4873 0.0322
0.25 306.0 0.0375 0.5126 0.0301
0.35 54.0 -0.0916 0.6503 0.0307
0.35 66.0 -0.2382 0.5878 0.0347
0.35 78.0 -0.0771 0.6898 0.0305
0.35 282.0 -0.7802 0.5777 0.0644
0.35 294.0 -0.4605 0.4926 0.0451
0.35 306.0 -0.7303 0.5959 0.0612
0.45 54.0 -0.0577 0.6858 0.0303
0.45 66.0 0.927 0.7195 0.0741
0.45 78.0 -0.2639 0.7374 0.0357
0.45 90.0 0.9419 0.7385 0.0751
0.45 270.0 -0.2122 0.755 0.0338
0.45 282.0 -1.3118 0.4119 0.1005
0.45 294.0 0.0376 0.5355 0.0301
0.55 66.0 -0.3585 0.7163 0.0398
0.55 78.0 -0.3173 0.5293 0.0379
0.55 90.0 -0.1319 0.636 0.0315
0.55 102.0 0.3148 0.5275 0.0378
0.55 258.0 -1.3907 0.4703 0.106
0.55 270.0 -0.2441 0.5112 0.0349
0.55 282.0 0.0645 0.7442 0.0304
0.65 66.0 -0.1668 0.6557 0.0324
0.65 78.0 0.8402 0.5299 0.0683
0.65 90.0 1.0925 0.4443 0.0853
0.65 102.0 0.6308 0.4445 0.055
0.65 114.0 0.3319 0.5455 0.0386
0.65 246.0 -0.1644 0.5382 0.0323
0.65 258.0 -0.1649 0.4396 0.0323
0.65 270.0 -0.4367 0.4158 0.0438
0.65 282.0 -0.3113 0.5963 0.0377
0.75 54.0 1.246 0.7161 0.0959
0.75 66.0 -0.3392 0.5557 0.0389
0.75 78.0 -0.3932 0.3492 0.0415
0.75 90.0 0.7229 0.3898 0.0608
0.75 102.0 0.4212 0.3834 0.043
0.75 114.0 -0.5609 0.3593 0.0508
0.75 126.0 1.2775 0.6819 0.0981
0.75 222.0 0.2848 0.6285 0.0365
0.75 234.0 -0.3441 0.5142 0.0391
0.75 246.0 -0.0643 0.4326 0.0304
0.75 258.0 -0.2484 0.3728 0.0351
0.75 270.0 -0.0412 0.3567 0.0302
0.75 282.0 0.0329 0.3836 0.0301
0.75 294.0 -0.3625 0.4489 0.04
0.85 54.0 -0.1073 0.4726 0.031
0.85 66.0 0.8894 0.7417 0.0716
0.85 78.0 -0.162 0.4451 0.0323
0.85 90.0 -0.2805 0.3537 0.0363
0.85 102.0 0.083 0.3759 0.0306
0.85 114.0 0.4589 0.4293 0.045
0.85 126.0 -0.4648 0.4073 0.0453
0.85 138.0 -0.143 0.559 0.0318
0.85 150.0 1.1099 0.9332 0.0865
0.85 198.0 -0.8541 0.5656 0.0693
0.85 210.0 -0.2655 0.5305 0.0357
0.85 222.0 -0.3113 0.4056 0.0377
0.85 234.0 -0.3516 0.3714 0.0395
0.85 246.0 -0.6777 0.3531 0.0579
0.85 258.0 0.2545 0.3673 0.0353
0.85 270.0 -0.6026 0.3158 0.0533
0.85 282.0 0.3227 0.3639 0.0382
0.85 294.0 0.2042 0.3348 0.0335
0.85 306.0 -0.4468 0.3557 0.0443
0.95 54.0 0.1109 0.6549 0.0311
0.95 78.0 0.3992 0.5976 0.0418
0.95 90.0 -0.6244 0.4379 0.0546
0.95 102.0 0.43 0.483 0.0434
0.95 114.0 0.0499 0.4561 0.0302
0.95 126.0 -0.203 0.5202 0.0335
0.95 138.0 1.1526 0.7154 0.0894
0.95 150.0 -0.8609 0.5673 0.0697
0.95 162.0 0.4172 0.6926 0.0428
0.95 174.0 0.3448 0.7247 0.0392
0.95 186.0 1.6827 0.8354 0.1266
0.95 198.0 -0.2027 0.5926 0.0335
0.95 210.0 -0.4761 0.4922 0.0459
0.95 222.0 -0.1581 0.489 0.0321
0.95 234.0 0.0024 0.4699 0.03
0.95 246.0 -0.2654 0.3842 0.0357
0.95 258.0 -0.1214 0.3897 0.0313
0.95 270.0 -0.1914 0.3573 0.0331
0.95 282.0 0.4463 0.3856 0.0443
0.95 294.0 0.0382 0.3543 0.0301
0.95 306.0 0.4153 0.4305 0.0427
0.95 318.0 0.383 0.5042 0.041
0.95 330.0 -0.6408 0.469 0.0556