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Measurement E151M488

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: 0.2851
Q2: 0.0496 GeV2
W: 1265.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9664

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.15 306.0 0.6023 0.5042 0.0475
0.25 78.0 0.2095 0.6145 0.0326
0.25 294.0 0.1129 0.5151 0.0308
0.25 306.0 0.6069 0.4602 0.0477
0.35 66.0 0.2849 0.3992 0.0347
0.35 78.0 -0.5347 0.2885 0.0444
0.35 294.0 0.3633 0.4016 0.0373
0.35 306.0 -0.0492 0.4257 0.0302
0.45 66.0 0.4866 0.4146 0.0423
0.45 78.0 0.0817 0.2678 0.0304
0.45 90.0 0.2729 0.3661 0.0343
0.45 270.0 -0.5513 0.5127 0.0451
0.45 282.0 -0.6129 0.3718 0.048
0.45 294.0 0.262 0.4814 0.034
0.55 66.0 -0.337 0.5808 0.0364
0.55 78.0 0.02 0.295 0.03
0.55 90.0 0.0012 0.2961 0.03
0.55 102.0 -0.0551 0.4988 0.0302
0.55 258.0 -0.0732 0.3703 0.0303
0.55 270.0 -0.2394 0.3384 0.0334
0.55 282.0 -0.1513 0.3594 0.0314
0.55 294.0 1.3007 0.692 0.085
0.65 78.0 0.4107 0.4353 0.0391
0.65 90.0 0.2745 0.3554 0.0344
0.65 102.0 -0.4119 0.4413 0.0392
0.65 114.0 0.4535 0.523 0.0409
0.65 234.0 -0.8525 0.4274 0.0602
0.65 246.0 0.1318 0.3462 0.0311
0.65 258.0 0.0284 0.2888 0.0301
0.65 270.0 -0.0814 0.2989 0.0304
0.65 282.0 0.4122 0.4106 0.0392
0.75 90.0 0.2665 0.6042 0.0341
0.75 102.0 -0.1715 0.4488 0.0318
0.75 114.0 0.1504 0.3845 0.0314
0.75 126.0 0.2637 0.3529 0.0341
0.75 138.0 -0.4474 0.3041 0.0406
0.75 150.0 -0.4389 0.4301 0.0403
0.75 222.0 0.4676 0.5247 0.0414
0.75 234.0 0.0652 0.3428 0.0303
0.75 246.0 0.1404 0.3014 0.0312
0.75 258.0 0.2928 0.2686 0.0349
0.75 270.0 -0.1655 0.2977 0.0317
0.75 282.0 -0.6915 0.4258 0.0519
0.85 102.0 0.2781 0.5119 0.0345
0.85 114.0 -0.2375 0.3044 0.0333
0.85 126.0 -0.2551 0.273 0.0338
0.85 138.0 0.4824 0.3205 0.0421
0.85 150.0 0.7354 0.3605 0.0541
0.85 162.0 0.5397 0.4319 0.0446
0.85 174.0 -0.0678 0.3881 0.0303
0.85 186.0 -0.0838 0.5038 0.0304
0.85 198.0 0.023 0.5919 0.03
0.85 210.0 0.3562 0.598 0.0371
0.85 222.0 0.3619 0.391 0.0373
0.85 234.0 -0.255 0.3209 0.0338
0.85 246.0 0.0361 0.2842 0.0301
0.85 258.0 -0.2128 0.2694 0.0327
0.85 270.0 -0.1843 0.4402 0.032
0.95 126.0 0.695 0.4766 0.052
0.95 138.0 -0.0965 0.3832 0.0306
0.95 150.0 0.0044 0.3795 0.03
0.95 162.0 -0.1471 0.3352 0.0313
0.95 174.0 0.2761 0.4119 0.0344
0.95 186.0 0.013 0.4724 0.03
0.95 222.0 -0.0579 0.4389 0.0302
0.95 234.0 0.3701 0.5008 0.0376
Created in SINP MSU, CLAS Collaboration