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Measurement E151M2176

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: 1.1922
Q2: 0.348 GeV2
W: 1235.0 GeV
Ebeam: 2.999 GeV
ε: 0.9589

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.05 66.0 0.5906 0.7448 0.0523
0.15 66.0 -0.9435 0.7278 0.0747
0.25 66.0 0.3648 0.7149 0.04
0.35 66.0 -1.1337 0.6933 0.0875
0.35 282.0 -0.0726 0.7507 0.0305
0.35 294.0 0.2726 0.6499 0.0359
0.45 282.0 -0.4554 0.643 0.0446
0.45 294.0 0.3184 0.6291 0.0379
0.55 270.0 -0.6748 0.6013 0.0574
0.55 282.0 0.0627 0.5258 0.0303
0.55 294.0 0.5243 0.501 0.0484
0.65 66.0 0.1194 0.613 0.0312
0.65 78.0 -0.1446 0.5975 0.0318
0.65 90.0 0.3941 0.6097 0.0414
0.65 270.0 -0.6499 0.4877 0.0559
0.65 282.0 0.5196 0.5349 0.0482
0.65 294.0 0.3218 0.4971 0.038
0.65 306.0 -0.8141 0.6864 0.0662
0.75 54.0 -0.4886 0.6174 0.0464
0.75 66.0 0.3584 0.5141 0.0397
0.75 78.0 -0.4316 0.6553 0.0434
0.75 90.0 -0.9651 0.4903 0.0761
0.75 102.0 -0.9712 0.6051 0.0765
0.75 258.0 -1.1078 0.603 0.0857
0.75 270.0 -0.0615 0.5073 0.0303
0.75 282.0 0.3889 0.5041 0.0412
0.75 294.0 -0.7319 0.4638 0.061
0.75 306.0 1.0467 0.575 0.0816
0.85 54.0 1.221 0.5194 0.0935
0.85 66.0 -0.1731 0.5393 0.0325
0.85 78.0 0.5417 0.471 0.0494
0.85 90.0 -0.2947 0.5416 0.0368
0.85 102.0 -0.7864 0.4546 0.0644
0.85 114.0 -0.3579 0.7024 0.0397
0.85 258.0 -0.7136 0.6966 0.0598
0.85 270.0 -0.2261 0.545 0.0342
0.85 282.0 0.0253 0.6252 0.0301
0.85 294.0 0.6377 0.5256 0.0551
0.85 306.0 0.2673 0.5171 0.0357
0.85 318.0 -0.6706 0.5525 0.0571
0.95 54.0 0.1753 0.5338 0.0326
0.95 66.0 -0.008 0.6938 0.03
0.95 78.0 0.1753 0.6124 0.0326
0.95 90.0 -0.3378 0.5104 0.0387
0.95 102.0 0.4852 0.6892 0.0462
0.95 114.0 -0.6848 0.687 0.058
0.95 282.0 -0.5404 0.5778 0.0494
Created in SINP MSU, CLAS Collaboration