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Measurement E151M1042

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: 0.4169
Q2: 0.348 GeV2
W: 1475.0 GeV
Ebeam: 2.999 GeV
ε: 0.9185

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.05 54.0 -0.4326 0.6266 0.0436
0.05 66.0 1.4815 0.8511 0.1124
0.15 54.0 1.3756 0.8656 0.1049
0.15 66.0 1.7585 0.7337 0.132
0.15 294.0 -0.8537 0.5103 0.0692
0.25 66.0 0.6388 0.7725 0.0555
0.25 282.0 -0.6896 0.6199 0.0587
0.25 294.0 0.4227 0.725 0.0431
0.35 54.0 0.7873 0.8616 0.0649
0.35 282.0 -0.4163 0.5164 0.0427
0.35 294.0 0.0729 0.6094 0.0305
0.45 90.0 1.3978 0.8873 0.1065
0.45 102.0 -0.1196 0.5844 0.0312
0.45 270.0 1.2052 0.9755 0.0931
0.45 282.0 1.0157 0.8079 0.0801
0.45 294.0 -0.5939 0.5869 0.0528
0.45 306.0 -0.1969 0.7372 0.0333
0.55 78.0 0.2725 0.6418 0.036
0.55 90.0 0.0102 0.5168 0.03
0.55 102.0 -0.2213 0.6049 0.0341
0.55 114.0 -0.9408 0.646 0.075
0.55 258.0 0.1803 0.7323 0.0328
0.55 270.0 0.0395 0.7655 0.0301
0.55 282.0 0.8531 0.8303 0.0692
0.55 306.0 -1.1238 0.483 0.0874
0.65 54.0 0.1687 0.7995 0.0324
0.65 78.0 0.1245 0.5659 0.0314
0.65 90.0 0.2869 0.4839 0.0366
0.65 102.0 0.8939 0.5961 0.0719
0.65 114.0 0.5202 0.7556 0.0484
0.65 126.0 -0.3377 0.6209 0.0388
0.65 234.0 1.3827 0.8877 0.1054
0.65 246.0 0.0772 0.5784 0.0305
0.65 258.0 -0.1064 0.5459 0.031
0.65 270.0 -0.9501 0.5548 0.0756
0.75 54.0 -0.6359 0.4764 0.0553
0.75 66.0 1.3413 0.7885 0.1025
0.75 78.0 -1.2441 0.4252 0.0958
0.75 90.0 0.5979 0.4895 0.053
0.75 102.0 -0.6917 0.3836 0.0588
0.75 114.0 0.5829 0.5587 0.0521
0.75 126.0 -1.0978 0.4669 0.0857
0.75 138.0 0.1262 0.8308 0.0314
0.75 222.0 0.1264 0.6998 0.0314
0.75 234.0 0.5908 0.5574 0.0526
0.75 246.0 0.6036 0.5942 0.0534
0.75 258.0 0.6913 0.5522 0.0588
0.75 270.0 0.5476 0.6034 0.05
0.75 282.0 -0.6441 0.4934 0.0558
0.85 54.0 -0.5838 0.474 0.0522
0.85 66.0 -0.2675 0.5647 0.0358
0.85 90.0 0.2028 0.6155 0.0335
0.85 102.0 -0.9797 0.38 0.0776
0.85 114.0 -1.0754 0.4272 0.0841
0.85 126.0 0.7093 0.8015 0.0599
0.85 198.0 0.2509 0.8345 0.0352
0.85 210.0 2.1963 0.7164 0.1633
0.85 222.0 0.3172 0.5818 0.0379
0.85 234.0 0.0912 0.4451 0.0307
0.85 246.0 0.6923 0.5205 0.0588
0.85 258.0 0.3125 0.4493 0.0377
0.85 270.0 0.641 0.4563 0.0556
0.85 282.0 0.185 0.47 0.0329
0.85 294.0 0.2311 0.5782 0.0344
0.85 306.0 -0.4591 0.4932 0.045
0.85 318.0 0.6571 0.7949 0.0566
0.95 66.0 -0.4959 0.6285 0.0471
0.95 102.0 0.265 0.7856 0.0357
0.95 114.0 0.4248 0.7773 0.0432
0.95 186.0 -0.2035 0.7467 0.0335
0.95 198.0 0.2981 0.7395 0.0371
0.95 210.0 1.3987 0.7986 0.1065
0.95 222.0 0.3708 0.6387 0.0404
0.95 234.0 0.3184 0.5421 0.038
0.95 246.0 0.3135 0.5281 0.0378
0.95 258.0 0.1829 0.5394 0.0328
0.95 270.0 1.022 0.5184 0.0805
0.95 282.0 0.1403 0.4864 0.0317
0.95 294.0 0.0893 0.4527 0.0307
0.95 306.0 0.0464 0.471 0.0302
0.95 318.0 0.0386 0.5275 0.0301
0.95 330.0 0.0122 0.6324 0.03
Created in SINP MSU, CLAS Collaboration