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Measurement E151M1578

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: ALL
εL: 0.0862
Q2: 0.0496 GeV2
W: 1445.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7797

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 42.0 -0.4542 0.7414
0.45 30.0 -0.6482 0.8977
0.45 42.0 -1.3583 0.8711
0.55 138.0 -1.0918 0.9693
0.55 150.0 1.0338 0.9188
0.55 222.0 0.1401 0.9201
0.55 234.0 0.3861 0.6977
0.55 246.0 1.295 0.7237
0.65 126.0 -0.3302 0.6896
0.65 138.0 -1.1645 0.6143
0.65 150.0 -0.2831 0.7956
0.65 210.0 -0.8468 0.8701
0.65 222.0 1.0317 0.7291
0.65 234.0 -0.946 0.6016
0.65 246.0 -0.6076 0.576
0.75 126.0 -0.8442 0.7075
0.75 138.0 0.2587 0.6168
0.75 150.0 0.105 0.6951
0.75 222.0 0.26 0.6455
0.75 234.0 -0.2545 0.7952
0.75 246.0 -0.6701 0.5986
0.75 258.0 -0.0501 0.7306
0.85 126.0 -0.6356 0.8001
0.85 138.0 0.9286 0.897
0.85 222.0 0.0563 0.6715
0.85 234.0 -0.2812 0.6326
0.85 246.0 0.8041 0.5907
0.85 258.0 1.2695 0.6924
0.85 270.0 0.2198 0.9851
0.95 114.0 -0.5956 0.7846
0.95 126.0 1.15 0.5945
0.95 234.0 -0.125 0.6797
0.95 246.0 1.3003 0.7086
0.95 258.0 0.2223 0.6455
0.95 270.0 1.0045 0.6688
0.35 30.0 -0.834 1.0111
0.35 42.0 -0.8895 0.9969
0.45 42.0 2.1893 0.7308
0.45 234.0 0.5256 1.2491
0.45 246.0 -0.4794 1.1588
0.55 126.0 -0.8852 1.1353
0.55 222.0 -0.1425 1.1924
0.55 234.0 -1.735 0.969
0.55 246.0 1.1831 0.8503
0.65 126.0 -1.0531 0.9375
0.65 138.0 -1.2275 1.135
0.65 150.0 -0.6779 0.9189
0.65 162.0 0.8526 1.0902
0.65 210.0 0.235 1.0495
0.65 222.0 1.2017 0.7585
0.65 234.0 -1.5337 0.702
0.65 246.0 -1.1361 0.766
0.65 258.0 -0.8833 0.9268
0.75 126.0 -0.6876 0.8808
0.75 138.0 0.0293 0.9744
0.75 150.0 1.5521 0.9189
0.75 198.0 -0.5384 1.1065
0.75 210.0 -1.8069 0.7065
0.75 222.0 1.1884 0.8338
0.75 234.0 0.3024 0.8034
0.75 246.0 0.7286 0.7801
0.75 258.0 2.0195 0.633
0.85 102.0 2.3894 0.8056
0.85 126.0 -0.6564 1.3214
0.85 150.0 -1.4349 0.757
0.85 210.0 0.6408 1.265
0.85 222.0 0.4291 0.8137
0.85 234.0 0.5464 0.8111
0.85 246.0 -0.8457 0.6971
0.85 258.0 -0.386 0.7124
0.85 270.0 -0.1946 0.9584
0.95 234.0 0.5212 0.86
0.95 246.0 0.5244 0.7651
0.95 258.0 0.3491 0.8649
Created in SINP MSU, CLAS Collaboration