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Measurement E151M301

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: 0.2309
Q2: 0.0844 GeV2
W: 1355.0 GeV
Ebeam: 1.3383 GeV
ε: 0.84

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.55 258.0 0.2017 0.4991 0.0328
0.55 270.0 -0.1709 0.4329 0.0325
0.65 114.0 1.0369 0.6352 0.0709
0.65 126.0 -0.0729 0.4593 0.0596
0.65 138.0 -0.6854 0.4518 0.0578
0.65 234.0 -0.5944 0.4271 0.0559
0.65 246.0 -0.4247 0.3745 0.0404
0.65 258.0 -0.1647 0.376 0.0327
0.65 270.0 0.3334 0.4438 0.0466
0.75 114.0 -0.0161 0.4751 0.0312
0.75 126.0 -0.1836 0.3605 0.0322
0.75 138.0 0.8264 0.4059 0.0593
0.75 150.0 -0.5109 0.5473 0.0436
0.75 162.0 -0.27 0.6137 0.0343
0.75 222.0 0.5541 0.4492 0.0454
0.75 234.0 -0.3702 0.3379 0.038
0.75 246.0 -0.4261 0.318 0.0398
0.75 258.0 0.0372 0.3742 0.0372
0.75 270.0 -0.9167 0.286 0.0634
0.75 282.0 0.6853 0.5094 0.0523
0.85 114.0 -0.9056 0.3473 0.063
0.85 126.0 -0.5257 0.3363 0.0441
0.85 138.0 0.3711 0.3933 0.0408
0.85 150.0 0.1727 0.408 0.032
0.85 162.0 0.4162 0.5763 0.0395
0.85 174.0 -0.7525 0.6572 0.0543
0.85 222.0 0.0485 0.4584 0.0338
0.85 234.0 0.002 0.3742 0.0301
0.85 246.0 0.2588 0.3499 0.041
0.85 258.0 -0.302 0.3381 0.0491
0.85 270.0 -0.1489 0.3415 0.0343
0.85 282.0 -0.0468 0.3492 0.0442
0.95 78.0 -0.1513 0.5577 0.0314
0.95 90.0 0.2677 0.3729 0.0351
0.95 102.0 -0.0114 0.4035 0.0354
0.95 114.0 0.282 0.4438 0.0382
0.95 138.0 0.1538 0.731 0.0314
0.95 222.0 -0.1121 0.5232 0.0308
0.95 234.0 1.0268 0.4393 0.0701
0.95 246.0 -0.3112 0.2951 0.0363
0.95 258.0 -0.305 0.3727 0.0581
0.95 270.0 -0.2738 0.3066 0.0345
0.95 282.0 0.0065 0.3779 0.0308
Created in SINP MSU, CLAS Collaboration