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Measurement E151M671

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: 0.0364
Q2: 0.0415 GeV2
W: 1625.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8087

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 78.0 1.1015 0.8951 0.0737
0.35 78.0 0.4055 0.7637 0.0389
0.35 258.0 -0.4732 0.7473 0.0417
0.45 18.0 1.6903 0.8177 0.1076
0.45 78.0 -0.4578 0.6399 0.041
0.45 90.0 0.7788 0.7824 0.0563
0.45 210.0 1.7227 0.808 0.1096
0.45 222.0 1.4308 0.781 0.0925
0.45 270.0 -0.4691 0.5426 0.0415
0.45 282.0 0.3782 0.7222 0.0379
0.55 114.0 -0.707 0.6307 0.0526
0.55 126.0 -0.1558 0.6202 0.0315
0.55 138.0 0.4022 0.7681 0.0388
0.55 198.0 1.6344 0.8567 0.1044
0.55 210.0 0.729 0.8389 0.0537
0.55 222.0 0.2301 0.7033 0.0331
0.55 234.0 -0.0212 0.7623 0.03
0.55 246.0 -0.6821 0.6996 0.0514
0.55 258.0 1.3135 0.7045 0.0858
0.55 270.0 -0.7219 0.4493 0.0534
0.55 282.0 1.1971 0.8037 0.0791
0.65 78.0 -0.2209 0.7444 0.0329
0.65 102.0 -0.5092 0.7358 0.0432
0.65 114.0 -0.7443 0.6158 0.0545
0.65 126.0 1.1137 0.7273 0.0744
0.65 138.0 0.0775 0.6984 0.0304
0.65 198.0 1.3117 0.7348 0.0857
0.65 210.0 1.2849 0.7253 0.0841
0.65 222.0 1.4833 0.6795 0.0956
0.65 234.0 1.0152 0.8662 0.069
0.65 246.0 -0.3155 0.7279 0.0357
0.65 258.0 0.4107 0.7786 0.0391
0.65 282.0 0.6068 0.8199 0.0477
0.65 294.0 0.6021 0.8976 0.0475
0.75 66.0 1.0443 0.8086 0.0706
0.75 78.0 0.2368 0.6603 0.0333
0.75 90.0 -0.4339 0.675 0.0401
0.75 138.0 -1.1483 0.6485 0.0764
0.75 210.0 0.2905 0.6215 0.0349
0.75 222.0 1.1628 0.5891 0.0772
0.75 234.0 0.2689 0.7933 0.0342
0.75 258.0 0.0179 0.5894 0.03
0.75 270.0 0.0296 0.5418 0.0301
0.75 282.0 0.4633 0.5305 0.0413
0.75 294.0 -0.0552 0.7292 0.0302
0.85 102.0 0.5753 0.7745 0.0462
0.85 114.0 0.2111 0.5517 0.0327
0.85 126.0 1.3318 0.6642 0.0868
0.85 138.0 0.4203 0.7354 0.0395
0.85 198.0 -0.2506 0.7608 0.0337
0.85 210.0 -0.0445 0.6278 0.0301
0.85 222.0 -0.948 0.515 0.0653
0.85 234.0 0.2409 0.7084 0.0334
0.85 246.0 -0.1565 0.6829 0.0315
0.85 282.0 0.3495 0.6948 0.0368
Created in SINP MSU, CLAS Collaboration