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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 syst. uncert.
0.25 66.0 0.4692 0.6685 0.0413
0.25 78.0 -0.1255 0.6124 0.0309
0.25 282.0 -1.2795 0.6909 0.0831
0.25 294.0 -1.8046 0.5588 0.1134
0.25 330.0 -1.1506 0.7691 0.0759
0.35 18.0 1.3907 0.7171 0.0895
0.35 30.0 -0.7356 0.7706 0.0537
0.35 66.0 0.6402 0.5179 0.049
0.35 78.0 -0.169 0.4956 0.0317
0.35 90.0 -0.6082 0.5838 0.0475
0.35 258.0 0.6256 0.7892 0.0483
0.35 270.0 0.2967 0.4964 0.035
0.35 282.0 -0.54 0.452 0.0444
0.35 294.0 -0.8729 0.4865 0.0608
0.35 318.0 -0.5591 0.7588 0.0453
0.35 330.0 -2.0002 2.0002 0.1249
0.45 18.0 -1.1067 0.688 0.0735
0.45 30.0 -1.0523 0.6371 0.0705
0.45 66.0 -0.7265 0.5249 0.0533
0.45 78.0 -0.2187 0.4219 0.0328
0.45 90.0 -0.3267 0.5261 0.0359
0.45 102.0 0.0574 0.6464 0.0302
0.45 126.0 -0.0627 0.6706 0.0302
0.45 258.0 0.4692 0.579 0.0413
0.45 270.0 -0.0396 0.4265 0.0301
0.45 282.0 -0.1005 0.3999 0.0306
0.45 294.0 -0.0789 0.5855 0.0304
0.55 66.0 -0.2078 0.748 0.0325
0.55 78.0 -0.737 0.4671 0.0538
0.55 90.0 0.4532 0.5861 0.0407
0.55 102.0 0.4169 0.6246 0.0392
0.55 114.0 0.2216 0.5674 0.0329
0.55 126.0 -0.6596 0.485 0.05
0.55 138.0 -0.0487 0.5296 0.0301
0.55 150.0 0.1818 0.6681 0.032
0.55 198.0 -0.6841 0.7668 0.0512
0.55 210.0 -0.2325 0.6521 0.0331
0.55 222.0 -0.5629 0.554 0.0454
0.55 234.0 -1.2658 0.4491 0.0824
0.55 246.0 -0.2537 0.5738 0.0337
0.55 258.0 0.3806 0.5413 0.0378
0.55 270.0 -0.2791 0.4312 0.0344
0.55 282.0 0.5761 0.4791 0.046
0.55 294.0 0.3682 0.565 0.0374
0.65 66.0 0.1338 0.651 0.0311
0.65 78.0 0.1223 0.5805 0.0309
0.65 90.0 -0.2664 0.6707 0.0341
0.65 102.0 1.3053 0.5771 0.0846
0.65 114.0 0.0056 0.5015 0.03
0.65 126.0 -0.9093 0.4444 0.0627
0.65 138.0 0.1351 0.5296 0.0311
0.65 150.0 -0.9302 0.5763 0.0639
0.65 186.0 1.3024 0.7067 0.0844
0.65 198.0 0.707 0.5785 0.0523
0.65 210.0 -0.8237 0.433 0.0582
0.65 222.0 -0.3308 0.4574 0.0361
0.65 234.0 -0.3558 0.5265 0.0369
0.65 246.0 0.1841 0.5117 0.032
0.65 258.0 -0.2324 0.5379 0.0331
0.65 270.0 -1.0212 0.6984 0.0688
0.65 282.0 1.1113 0.6447 0.0737
0.65 294.0 -1.0944 0.5335 0.0728
0.75 66.0 0.2347 0.6754 0.0332
0.75 78.0 0.5231 0.5621 0.0436
0.75 102.0 0.2758 0.7674 0.0343
0.75 114.0 -0.8195 0.5364 0.058
0.75 126.0 0.8192 0.4958 0.058
0.75 138.0 -0.1821 0.457 0.032
0.75 150.0 0.7584 0.6285 0.0549
0.75 162.0 -0.2699 0.814 0.0342
0.75 198.0 -0.3091 0.593 0.0354
0.75 210.0 -0.3013 0.4773 0.0351
0.75 222.0 0.2219 0.4607 0.0329
0.75 234.0 0.6008 0.4663 0.0472
0.75 246.0 1.1169 0.5286 0.074
0.75 270.0 0.246 0.5181 0.0335
0.75 282.0 -1.1278 0.4075 0.0746
0.75 294.0 -0.7646 0.5348 0.0552
0.85 102.0 -0.8532 0.5949 0.0598
0.85 114.0 -0.5439 0.5568 0.0446
0.85 126.0 0.8993 0.607 0.0622
0.85 138.0 0.757 0.7598 0.0548
0.85 198.0 -0.7305 0.5316 0.0535
0.85 210.0 0.3866 0.4934 0.0381
0.85 222.0 -0.8285 0.435 0.0585
0.85 234.0 0.2095 0.4438 0.0326
0.85 246.0 -1.0818 0.5234 0.0721
0.95 222.0 -0.1978 0.6561 0.0323
0.95 234.0 0.7261 0.599 0.0533
Created in SINP MSU, CLAS Collaboration