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Measurement E151M2025

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: 0.1201
Q2: 0.0496 GeV2
W: 1415.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9437

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 66.0 -0.1891 0.6221 0.0328
0.35 66.0 -0.0901 0.5145 0.0434
0.35 78.0 -0.5724 0.4647 0.0515
0.35 282.0 0.2114 0.4508 0.0491
0.35 294.0 0.1273 0.4715 0.0313
0.45 66.0 -0.7895 0.4858 0.0664
0.45 78.0 0.2397 0.4448 0.0389
0.45 90.0 0.0078 0.6417 0.0559
0.45 270.0 0.2047 0.5882 0.0345
0.45 282.0 -0.2166 0.462 0.0935
0.45 294.0 0.4084 0.448 0.0612
0.55 66.0 0.1206 0.5904 0.0711
0.55 78.0 -0.3309 0.4942 0.0542
0.55 90.0 0.6974 0.5802 0.059
0.55 114.0 -0.42 0.6128 0.1078
0.55 126.0 -0.4803 0.7843 0.0433
0.55 246.0 -0.3988 0.7995 0.0397
0.55 270.0 0.5384 0.5695 0.0517
0.55 282.0 -0.1641 0.4619 0.0325
0.55 294.0 0.2843 0.5109 0.0365
0.65 66.0 1.5079 0.5439 0.1102
0.65 78.0 -1.3235 0.5487 0.1047
0.65 102.0 -0.87 0.7005 0.0641
0.65 114.0 0.3755 0.5212 0.0712
0.65 126.0 -0.0045 0.5486 0.0461
0.65 138.0 -1.0628 0.6439 0.0876
0.65 150.0 -0.6234 1.3851 0.0647
0.65 222.0 -0.118 0.5698 0.0844
0.65 234.0 0.2198 0.5668 0.0343
0.65 246.0 0.6184 0.5269 0.0525
0.65 258.0 -0.1878 0.6418 0.0609
0.65 270.0 -0.7421 0.6203 0.0753
0.75 102.0 -1.4517 1.3144 0.1367
0.75 114.0 0.624 1.0368 0.0647
0.75 126.0 -0.4116 1.0046 0.0483
0.75 138.0 -0.3021 0.9396 0.0409
0.75 210.0 -2.8461 1.039 0.2633
0.75 222.0 1.0131 0.9893 0.0978
0.75 234.0 0.1863 0.871 0.0345
0.75 246.0 -0.0243 0.9239 0.0301
0.75 258.0 -0.8327 1.1876 0.0822
0.85 114.0 -0.4946 1.3148 0.0545
0.85 126.0 -0.1125 1.2729 0.0317
0.85 138.0 -1.6634 1.2661 0.1558
0.85 210.0 1.7724 1.6247 0.1656
0.85 222.0 0.4686 1.1377 0.0525
0.85 234.0 2.6151 0.8444 0.2422
0.85 246.0 0.983 0.9076 0.0952
0.85 258.0 -1.0776 0.9691 0.1035
0.95 234.0 8.5089 3.3484 0.7826
0.95 246.0 0.682 3.5816 0.0695
0.65 306.0 1.8784 0.6366 0.1258
0.75 78.0 0.7925 0.688 0.0596
0.75 102.0 0.2479 0.8818 0.0341
0.75 114.0 0.1502 0.5674 0.0316
0.75 126.0 0.8886 0.5679 0.0651
0.75 138.0 -0.1522 0.7908 0.0316
0.75 150.0 -0.3516 0.7236 0.0377
0.75 210.0 -2.0205 0.7868 0.1348
0.75 222.0 -0.1158 0.7081 0.0309
0.75 234.0 -0.2438 0.5906 0.0339
0.75 246.0 0.6293 0.5886 0.0508
0.75 258.0 -0.0529 0.7382 0.0302
0.85 90.0 -0.1031 0.9172 0.0307
0.85 114.0 -0.0524 0.8275 0.0302
0.85 126.0 -0.1834 0.7861 0.0323
0.85 138.0 0.3662 0.8059 0.0383
0.85 222.0 0.7821 0.7372 0.0591
0.85 234.0 -0.4254 0.596 0.0408
0.85 246.0 0.6718 0.7301 0.053
0.85 258.0 1.1066 0.6331 0.078
0.95 222.0 -0.7182 1.6169 0.0555
0.95 234.0 -0.6538 1.2796 0.052
0.95 246.0 1.5205 1.2702 0.1034
Created in SINP MSU, CLAS Collaboration