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Measurement E151M291

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: 0.0476
Q2: 0.0143 GeV2
W: 1355.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8862

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.45 42.0 1.2178 0.6114
0.55 222.0 0.4649 0.5926
0.55 234.0 0.2882 0.4608
0.55 246.0 -0.3146 0.4611
0.55 258.0 -0.4968 0.5393
0.65 138.0 -0.9118 0.5482
0.65 150.0 0.1624 0.5952
0.65 162.0 -0.3613 0.5888
0.65 210.0 0.7432 0.6219
0.65 222.0 -0.0819 0.4943
0.65 234.0 -0.0564 0.4359
0.65 246.0 0.7195 0.5134
0.65 258.0 -0.226 0.5525
0.75 126.0 -0.3666 0.603
0.75 138.0 -0.045 0.5129
0.75 150.0 -0.9272 0.4504
0.75 210.0 0.4853 0.6382
0.75 222.0 0.223 0.5494
0.75 234.0 -0.4417 0.4281
0.75 246.0 -0.0122 0.4607
0.75 258.0 -0.9342 0.4526
0.85 222.0 0.3237 0.5449
0.85 234.0 -0.3168 0.4765
0.85 246.0 -0.1178 0.3939
0.85 258.0 0.2923 0.5432
0.35 42.0 -0.1145 0.8199
0.45 42.0 0.1409 0.9524
0.55 234.0 -1.2521 0.4734
0.55 246.0 -0.1987 0.7679
0.65 138.0 -0.7006 0.7003
0.65 150.0 0.7024 1.1673
0.65 222.0 -0.744 0.498
0.65 234.0 -0.6884 0.4704
0.65 246.0 -0.4201 0.6505
0.75 126.0 0.2651 0.9862
0.75 138.0 -1.2108 0.5531
0.75 150.0 -0.5845 0.7071
0.75 222.0 -0.1728 0.6143
0.75 234.0 -0.1012 0.4995
0.75 246.0 -0.2851 0.5946
0.75 258.0 0.5937 1.0191
0.85 222.0 0.8099 1.0093
0.85 234.0 0.0124 0.5531
0.85 246.0 0.9676 0.7802
0.85 258.0 0.7534 0.8034
Created in SINP MSU, CLAS Collaboration