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Measurement E151M1571

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: 0.0273
Q2: 0.0143 GeV2
W: 1445.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8069

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.45 42.0 1.5102 1.0123
0.45 222.0 2.8167 2.8167
0.45 234.0 -0.2905 0.9911
0.55 18.0 -0.2446 1.0402
0.55 30.0 1.6001 0.699
0.55 42.0 -0.4875 0.9352
0.55 138.0 1.7784 0.8326
0.55 150.0 1.3639 1.091
0.55 210.0 -0.8117 1.3003
0.55 222.0 -0.0497 1.0836
0.55 234.0 0.6404 0.9022
0.55 246.0 -0.6393 0.8126
0.65 126.0 -0.5163 1.1046
0.65 138.0 0.6345 1.1558
0.65 150.0 -0.3303 1.0934
0.65 162.0 0.6517 1.1441
0.65 210.0 -0.8151 0.9244
0.65 222.0 -0.2296 0.7574
0.65 234.0 -1.8418 0.7161
0.65 246.0 0.5312 1.1031
0.75 138.0 -1.0758 1.0963
0.75 150.0 0.115 1.1405
0.75 162.0 -1.2339 1.3397
0.75 210.0 0.1565 1.0539
0.75 222.0 -0.517 0.8767
0.75 234.0 -0.1046 0.7732
0.75 246.0 0.0468 1.0108
0.85 126.0 2.9951 2.9951
0.85 210.0 -0.4736 0.9105
0.85 222.0 0.3068 1.0085
0.85 234.0 -1.2469 0.6294
0.85 246.0 1.583 0.7315
0.95 234.0 -0.4338 0.926
0.35 42.0 -1.2604 0.8073
0.45 42.0 1.0912 0.7849
0.55 18.0 -0.6092 0.7998
0.55 30.0 0.0375 0.7363
0.55 42.0 -1.3854 0.7546
0.55 138.0 -0.288 0.7578
0.55 150.0 -0.3428 0.7194
0.55 210.0 0.0776 0.8861
0.55 222.0 0.3123 0.6176
0.55 234.0 1.1687 0.6944
0.55 246.0 -0.1999 0.6538
0.65 126.0 -0.1669 0.6418
0.65 138.0 -1.4885 0.6103
0.65 150.0 -0.3792 0.8134
0.65 210.0 0.4489 0.792
0.65 222.0 0.3979 0.5545
0.65 234.0 -0.7484 0.6491
0.65 246.0 0.0555 0.7093
0.75 138.0 -0.5451 0.9056
0.75 150.0 -1.6113 0.6996
0.75 222.0 0.0406 0.725
0.75 234.0 -0.9486 0.492
0.75 246.0 0.2165 0.6666
0.85 138.0 -1.595 0.6955
0.85 222.0 0.2876 0.6861
0.85 234.0 0.0176 0.6156
0.85 246.0 -0.3457 0.6708
Created in SINP MSU, CLAS Collaboration