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Measurement E151M29

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: 0.2379
Q2: 0.0348 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8967

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.15 42.0 -0.1385 0.5038
0.15 54.0 1.6332 0.5534
0.25 42.0 -0.2862 0.4318
0.25 54.0 0.5796 0.4346
0.35 42.0 0.5607 0.4762
0.35 54.0 0.3611 0.4244
0.35 66.0 -0.5571 0.5628
0.45 42.0 0.2003 0.6179
0.45 54.0 -0.3396 0.5386
0.45 270.0 -0.4088 0.4065
0.45 282.0 -0.1654 0.3806
0.55 246.0 -0.5024 0.4496
0.55 258.0 0.1203 0.3601
0.55 270.0 0.2463 0.323
0.55 282.0 -0.0559 0.3141
0.65 234.0 0.6095 0.4759
0.65 246.0 -0.8132 0.28
0.65 258.0 -0.0595 0.264
0.65 270.0 0.1693 0.2838
0.65 282.0 -0.0248 0.3345
0.75 138.0 0.0663 0.5911
0.75 150.0 0.3609 0.5078
0.75 162.0 0.3395 0.4151
0.75 174.0 -0.243 0.4226
0.75 186.0 0.3861 0.4896
0.75 198.0 -0.2335 0.4352
0.75 210.0 -0.2422 0.4538
0.75 234.0 -0.2362 0.4506
0.75 246.0 0.3228 0.3806
0.75 258.0 -0.0543 0.2432
0.75 270.0 0.0301 0.2833
0.75 282.0 -0.2769 0.3267
0.85 138.0 -0.1923 0.3819
0.85 150.0 0.5107 0.393
0.85 162.0 0.2368 0.3359
0.85 174.0 0.7811 0.3469
0.85 186.0 0.3725 0.3745
0.85 198.0 0.5645 0.4275
0.85 210.0 0.1001 0.4205
0.85 222.0 0.2989 0.484
0.85 234.0 0.2551 0.4081
0.85 246.0 -0.652 0.3122
0.85 258.0 0.0684 0.3284
0.85 270.0 -0.0536 0.3484
0.95 150.0 -0.5774 0.3378
0.95 162.0 1.2228 0.4673
0.95 186.0 -0.5202 0.3593
0.95 198.0 -0.3742 0.3973
Created in SINP MSU, CLAS Collaboration