CLAS Physics Database

Measurement E151M239

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: 0.1995
Q2: 0.0348 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9268

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.15 42.0 0.4351 0.3754 0.0403
0.15 54.0 -0.6754 0.4932 0.0515
0.25 30.0 1.0573 0.497 0.072
0.25 42.0 0.406 0.4024 0.0391
0.25 54.0 0.0861 0.5162 0.0305
0.35 30.0 0.2754 0.4048 0.0345
0.35 42.0 -0.2585 0.5056 0.034
0.35 54.0 -0.1061 0.5404 0.0307
0.45 42.0 -0.4304 0.4483 0.0401
0.45 270.0 -0.9165 0.3188 0.0642
0.55 246.0 -0.4811 0.3205 0.0423
0.55 258.0 0.367 0.3112 0.0376
0.55 270.0 0.1562 0.3452 0.0315
0.55 282.0 -0.2337 0.393 0.0333
0.65 138.0 0.3629 0.5279 0.0375
0.65 222.0 -0.2888 0.5116 0.0349
0.65 234.0 0.1456 0.3971 0.0313
0.65 246.0 0.4678 0.2495 0.0417
0.65 258.0 -0.1688 0.2401 0.0318
0.65 270.0 -0.1913 0.2633 0.0323
0.65 282.0 -0.0385 0.3718 0.0301
0.75 126.0 0.4389 0.4286 0.0405
0.75 138.0 -0.3329 0.324 0.0364
0.75 150.0 -0.2418 0.3437 0.0335
0.75 162.0 0.559 0.3992 0.0458
0.75 174.0 -0.5681 0.4367 0.0462
0.75 186.0 -0.2645 0.4715 0.0342
0.75 222.0 -0.0489 0.3683 0.0302
0.75 234.0 -0.1818 0.3265 0.032
0.75 246.0 -0.5095 0.2234 0.0435
0.75 258.0 -0.3367 0.217 0.0365
0.75 270.0 -0.306 0.2548 0.0355
0.75 282.0 0.5665 0.3345 0.0462
0.85 114.0 -0.1185 0.471 0.0309
0.85 126.0 0.0639 0.3658 0.0303
0.85 138.0 -0.1336 0.3134 0.0311
0.85 150.0 0.6602 0.2947 0.0507
0.85 162.0 0.5277 0.3299 0.0444
0.85 174.0 -0.6539 0.3266 0.0504
0.85 186.0 0.384 0.4849 0.0383
0.85 198.0 -0.2015 0.3691 0.0325
0.85 210.0 -0.3464 0.3888 0.0369
0.85 222.0 0.0322 0.3726 0.0301
0.85 234.0 0.3775 0.3127 0.038
0.85 246.0 0.4157 0.2729 0.0395
0.85 258.0 -0.3301 0.2272 0.0363
0.85 270.0 0.3171 0.2561 0.0359
0.85 282.0 -0.4004 0.4043 0.0389
0.95 150.0 0.3456 0.4105 0.0369
0.95 162.0 0.666 0.4506 0.051
0.95 174.0 0.018 0.414 0.03
0.95 186.0 -0.1377 0.3981 0.0312
0.95 246.0 0.2637 0.4067 0.0342
0.95 258.0 0.1354 0.404 0.0311
0.05 42.0 0.8081 0.9464 0.0572
0.15 42.0 -1.4082 0.2582 0.0899
0.15 54.0 -1.0402 0.4761 0.0695
0.25 42.0 -0.1524 0.6932 0.0314
0.25 54.0 0.9546 0.9358 0.0648
0.35 30.0 0.778 0.7566 0.0556
0.35 42.0 0.729 0.7852 0.0532
0.45 42.0 0.5488 0.799 0.0446
0.45 270.0 0.47 0.7283 0.0412
0.45 282.0 -0.6421 0.5076 0.0489
0.55 246.0 -0.2874 0.472 0.0346
0.55 258.0 -0.2407 0.443 0.0333
0.55 270.0 0.4058 0.5158 0.0387
0.55 282.0 1.2778 0.6155 0.0826
0.65 138.0 2.006 2.006 0.1245
0.65 150.0 -0.8222 0.56 0.0579
0.65 222.0 -0.0606 0.757 0.0302
0.65 234.0 -0.1086 0.5228 0.0307
0.65 246.0 -0.5853 0.3152 0.0463
0.65 258.0 -0.4757 0.2985 0.0415
0.65 270.0 -0.2793 0.3281 0.0344
0.65 282.0 0.0483 0.4607 0.0301
0.75 114.0 -1.3501 0.3461 0.0867
0.75 126.0 1.9357 1.9357 0.1204
0.75 138.0 1.8214 0.6736 0.1137
0.75 150.0 3.0062 3.0062 0.1835
0.75 162.0 -0.33 0.6016 0.036
0.75 174.0 1.0475 0.8819 0.0698
0.75 210.0 0.141 0.7653 0.0312
0.75 222.0 -0.2614 0.4788 0.0339
0.75 234.0 0.0618 0.4554 0.0302
0.75 246.0 0.2365 0.4226 0.0332
0.75 258.0 -0.1055 0.3215 0.0307
0.75 270.0 0.4063 0.3946 0.0387
0.75 282.0 0.5867 0.5487 0.0464
0.85 114.0 0.3284 0.8007 0.0359
0.85 126.0 1.1259 0.7109 0.0741
0.85 138.0 0.0439 0.4872 0.0301
0.85 150.0 0.9465 0.6337 0.0644
0.85 162.0 0.0401 0.4503 0.0301
0.85 174.0 -0.0302 0.5065 0.0301
0.85 186.0 -0.1353 0.5312 0.0311
0.85 198.0 -0.1719 0.5213 0.0317
0.85 210.0 0.7893 0.8484 0.0562
0.85 222.0 0.6257 0.6153 0.0482
0.85 234.0 -0.3741 0.4194 0.0375
0.85 246.0 0.651 0.4843 0.0494
0.85 258.0 0.8471 0.4606 0.0592
0.85 270.0 0.3939 0.4022 0.0382
0.85 282.0 0.9262 0.77 0.0633
0.95 138.0 0.6482 0.8141 0.0492
0.95 150.0 0.6032 0.6702 0.0471
0.95 246.0 -0.0079 0.6163 0.03