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Measurement E151M30

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: 0.2767
Q2: 0.0415 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8908

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.15 42.0 0.4434 0.5518 0.0587
0.15 54.0 0.1427 0.5779 0.0341
0.25 42.0 0.186 0.3841 0.0367
0.25 54.0 -0.848 0.381 0.101
0.35 42.0 -0.1911 0.3947 0.037
0.35 54.0 0.2019 0.4787 0.0378
0.35 282.0 -0.9431 0.4523 0.1114
0.45 270.0 0.1382 0.4482 0.0339
0.45 282.0 0.1646 0.3861 0.0354
0.55 246.0 -0.6091 0.4846 0.0755
0.55 258.0 -0.299 0.3469 0.0454
0.55 270.0 0.0002 0.2782 0.03
0.55 282.0 0.0115 0.3666 0.03
0.65 246.0 -0.7645 0.3234 0.092
0.65 258.0 0.1358 0.2813 0.0337
0.65 270.0 0.2939 0.265 0.0449
0.65 282.0 0.4174 0.3484 0.0562
0.65 294.0 0.0755 0.5045 0.0312
0.75 150.0 -0.0355 0.4737 0.0303
0.75 162.0 0.4821 0.579 0.0625
0.75 174.0 0.5823 0.5025 0.0727
0.75 186.0 0.1984 0.5021 0.0375
0.75 198.0 0.0715 0.5708 0.0311
0.75 210.0 -0.8951 0.4526 0.1062
0.75 234.0 -0.2786 0.4292 0.0436
0.75 246.0 0.1782 0.3549 0.0362
0.75 258.0 0.1478 0.3032 0.0344
0.75 270.0 -0.0634 0.2899 0.0309
0.75 282.0 0.4461 0.372 0.059
0.85 126.0 0.0072 0.4965 0.03
0.85 138.0 -0.0945 0.3906 0.0319
0.85 150.0 -0.5791 0.3051 0.0724
0.85 162.0 -0.4788 0.2586 0.0622
0.85 174.0 0.192 0.3099 0.0371
0.85 186.0 0.1643 0.3467 0.0353
0.85 198.0 -0.2802 0.3486 0.0438
0.85 210.0 -1.0023 0.3492 0.1179
0.85 222.0 0.0569 0.4545 0.0307
0.85 234.0 0.4326 0.471 0.0576
0.85 246.0 0.3293 0.3861 0.048
0.85 258.0 -0.0967 0.3223 0.032
0.85 270.0 0.1815 0.3378 0.0364
0.95 150.0 -0.7092 0.3069 0.0861
0.95 162.0 -0.3615 0.3871 0.0509
0.95 174.0 -0.166 0.3507 0.0354
0.95 186.0 -0.6567 0.3065 0.0805
0.95 198.0 -0.1143 0.4128 0.0327
Created in SINP MSU, CLAS Collaboration