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Measurement E151M673

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: AUL
εL: 0.0505
Q2: 0.0593 GeV2
W: 1625.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8011

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.35 78.0 -0.0526 0.8507
0.35 90.0 1.1926 0.8873
0.35 282.0 0.2007 0.6174
0.45 78.0 -0.3108 0.6651
0.45 126.0 0.0106 0.855
0.45 270.0 -0.7571 0.6642
0.45 282.0 1.1265 0.7343
0.45 294.0 -1.1012 0.6344
0.55 126.0 -1.0449 0.6967
0.55 210.0 1.6546 0.839
0.55 222.0 0.8586 0.801
0.55 258.0 0.0671 0.8038
0.55 270.0 1.2138 0.6521
0.55 282.0 1.8096 0.7409
0.65 78.0 -0.5439 0.7537
0.65 114.0 0.4716 0.812
0.65 126.0 0.9553 0.7517
0.65 138.0 -0.6234 0.6271
0.65 150.0 -0.6137 0.7171
0.65 198.0 -0.2024 0.6279
0.65 210.0 1.2271 0.7426
0.65 222.0 0.8089 0.647
0.65 258.0 0.6563 0.8285
0.65 294.0 0.3055 0.6072
0.75 66.0 -0.6113 0.6278
0.75 78.0 0.2984 0.8142
0.75 126.0 -0.3167 0.737
0.75 138.0 -1.3035 0.5948
0.75 198.0 0.8662 0.8096
0.75 210.0 1.1857 0.7408
0.75 222.0 0.29 0.5841
0.75 234.0 -0.91 0.5882
0.75 270.0 -0.1527 0.5084
0.75 282.0 -0.5162 0.5304
0.75 294.0 -0.303 0.7414
0.85 102.0 -0.0839 0.5917
0.85 114.0 -0.0002 0.5493
0.85 126.0 0.6885 0.6709
0.85 198.0 -0.4611 0.7085
0.85 210.0 1.7652 0.5888
0.85 222.0 0.6648 0.6369
0.85 234.0 0.7363 0.6348
0.85 246.0 1.8339 0.7092
Created in SINP MSU, CLAS Collaboration