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Measurement E151M2016

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: 0.2961
Q2: 0.1205 GeV2
W: 1385.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9362

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 -0.4825 0.6621
0.25 294.0 -0.3425 0.4847
0.35 66.0 0.6205 0.5397
0.35 78.0 -0.6955 0.6562
0.35 282.0 -0.8872 0.6823
0.35 294.0 1.3435 0.4685
0.45 66.0 -0.0708 0.5413
0.45 78.0 0.311 0.5903
0.45 282.0 1.5227 1.0087
0.45 294.0 0.0544 0.4113
0.55 66.0 -0.0212 0.5523
0.65 102.0 -0.2664 1.1315
0.65 114.0 0.4284 1.1903
0.65 126.0 -1.3782 1.3591
0.65 246.0 1.9995 1.0455
0.65 258.0 0.1766 1.1173
0.65 270.0 0.1334 1.1727
0.75 90.0 0.3748 1.2802
0.75 102.0 -0.8995 0.973
0.75 114.0 -3.5515 1.036
0.75 126.0 0.6625 1.2111
0.75 138.0 -0.1691 1.2993
0.75 222.0 -3.7118 3.7118
0.75 234.0 0.2629 0.9438
0.75 246.0 0.8468 0.8974
0.75 258.0 0.5879 0.7731
0.75 270.0 1.1256 1.2074
0.85 102.0 1.7866 1.221
0.85 114.0 0.7925 1.2566
0.85 126.0 -2.7203 1.2648
0.85 138.0 0.4816 1.4373
0.85 222.0 -1.4074 1.367
0.85 234.0 2.238 1.0375
0.85 246.0 1.7559 1.0536
0.85 258.0 1.1322 0.9045
0.85 270.0 -1.9907 1.1569
0.85 282.0 2.354 1.0773
0.95 210.0 5.7936 4.0737
0.95 234.0 6.46 3.2968
0.95 246.0 -5.943 3.3799
0.95 258.0 0.1027 3.3238
0.95 270.0 -2.1895 2.8004
0.95 282.0 -2.9908 3.263
0.55 78.0 1.0308 0.6813
0.55 282.0 -0.1824 0.6533
0.65 102.0 0.2247 0.6043
0.65 114.0 0.1968 0.672
0.65 126.0 -0.8475 0.7632
0.65 246.0 1.2373 0.6946
0.65 258.0 -0.1141 0.6782
0.75 90.0 0.3685 0.5799
0.75 102.0 0.2997 0.4747
0.75 114.0 -1.0664 0.5624
0.75 126.0 0.0895 0.7172
0.75 222.0 -1.3699 0.8551
0.75 234.0 1.22 0.6244
0.75 246.0 0.3319 0.6246
0.75 258.0 0.6027 0.5418
0.75 270.0 -0.2772 0.5738
0.85 90.0 -0.7969 0.8184
0.85 102.0 0.2998 0.6893
0.85 114.0 0.3081 0.5917
0.85 126.0 0.2173 0.6789
0.85 138.0 1.0392 0.8181
0.85 210.0 0.0368 0.7766
0.85 222.0 1.1898 0.8071
0.85 234.0 -0.8713 0.7642
0.85 246.0 0.874 0.5649
0.85 258.0 -1.1677 0.5846
0.85 270.0 -0.0225 0.5338
0.85 282.0 0.0285 0.6525
0.95 90.0 1.6678 1.0585
0.95 126.0 1.6576 1.3267
0.95 222.0 1.8282 1.3226
0.95 234.0 -0.2084 1.1622
0.95 246.0 -1.3374 1.018
0.95 258.0 -0.634 1.0339
0.95 270.0 -0.9473 0.9346
0.95 282.0 0.9277 1.0894
Created in SINP MSU, CLAS Collaboration