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Measurement E151M1830

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: 0.0541
Q2: 0.0348 GeV2
W: 1505.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8895

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 0.4692 0.6685
0.25 78.0 -0.1255 0.6124
0.25 282.0 -1.2795 0.6909
0.25 294.0 -1.8046 0.5588
0.25 330.0 -1.1506 0.7691
0.35 18.0 1.3907 0.7171
0.35 30.0 -0.7356 0.7706
0.35 66.0 0.6402 0.5179
0.35 78.0 -0.169 0.4956
0.35 90.0 -0.6082 0.5838
0.35 258.0 0.6256 0.7892
0.35 270.0 0.2967 0.4964
0.35 282.0 -0.54 0.452
0.35 294.0 -0.8729 0.4865
0.35 318.0 -0.5591 0.7588
0.35 330.0 -2.0002 2.0002
0.45 18.0 -1.1067 0.688
0.45 30.0 -1.0523 0.6371
0.45 66.0 -0.7265 0.5249
0.45 78.0 -0.2187 0.4219
0.45 90.0 -0.3267 0.5261
0.45 102.0 0.0574 0.6464
0.45 126.0 -0.0627 0.6706
0.45 258.0 0.4692 0.579
0.45 270.0 -0.0396 0.4265
0.45 282.0 -0.1005 0.3999
0.45 294.0 -0.0789 0.5855
0.55 66.0 -0.2078 0.748
0.55 78.0 -0.737 0.4671
0.55 90.0 0.4532 0.5861
0.55 102.0 0.4169 0.6246
0.55 114.0 0.2216 0.5674
0.55 126.0 -0.6596 0.485
0.55 138.0 -0.0487 0.5296
0.55 150.0 0.1818 0.6681
0.55 198.0 -0.6841 0.7668
0.55 210.0 -0.2325 0.6521
0.55 222.0 -0.5629 0.554
0.55 234.0 -1.2658 0.4491
0.55 246.0 -0.2537 0.5738
0.55 258.0 0.3806 0.5413
0.55 270.0 -0.2791 0.4312
0.55 282.0 0.5761 0.4791
0.55 294.0 0.3682 0.565
0.65 66.0 0.1338 0.651
0.65 78.0 0.1223 0.5805
0.65 90.0 -0.2664 0.6707
0.65 102.0 1.3053 0.5771
0.65 114.0 0.0056 0.5015
0.65 126.0 -0.9093 0.4444
0.65 138.0 0.1351 0.5296
0.65 150.0 -0.9302 0.5763
0.65 186.0 1.3024 0.7067
0.65 198.0 0.707 0.5785
0.65 210.0 -0.8237 0.433
0.65 222.0 -0.3308 0.4574
0.65 234.0 -0.3558 0.5265
0.65 246.0 0.1841 0.5117
0.65 258.0 -0.2324 0.5379
0.65 270.0 -1.0212 0.6984
0.65 282.0 1.1113 0.6447
0.65 294.0 -1.0944 0.5335
0.75 66.0 0.2347 0.6754
0.75 78.0 0.5231 0.5621
0.75 102.0 0.2758 0.7674
0.75 114.0 -0.8195 0.5364
0.75 126.0 0.8192 0.4958
0.75 138.0 -0.1821 0.457
0.75 150.0 0.7584 0.6285
0.75 162.0 -0.2699 0.814
0.75 198.0 -0.3091 0.593
0.75 210.0 -0.3013 0.4773
0.75 222.0 0.2219 0.4607
0.75 234.0 0.6008 0.4663
0.75 246.0 1.1169 0.5286
0.75 270.0 0.246 0.5181
0.75 282.0 -1.1278 0.4075
0.75 294.0 -0.7646 0.5348
0.85 102.0 -0.8532 0.5949
0.85 114.0 -0.5439 0.5568
0.85 126.0 0.8993 0.607
0.85 138.0 0.757 0.7598
0.85 198.0 -0.7305 0.5316
0.85 210.0 0.3866 0.4934
0.85 222.0 -0.8285 0.435
0.85 234.0 0.2095 0.4438
0.85 246.0 -1.0818 0.5234
0.95 222.0 -0.1978 0.6561
0.95 234.0 0.7261 0.599
Created in SINP MSU, CLAS Collaboration