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Measurement E151M176

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: 0.0676
Q2: 0.0496 GeV2
W: 1445.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6115

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 42.0 0.1365 0.7575 0.0338
0.25 54.0 0.1065 0.7761 0.0324
0.35 42.0 1.4119 0.801 0.1634
0.35 54.0 0.9356 0.6836 0.1106
0.45 30.0 0.3693 0.7936 0.0516
0.45 42.0 1.1838 0.7812 0.138
0.45 54.0 -1.1162 0.5676 0.1305
0.45 234.0 0.2019 0.7409 0.0378
0.45 246.0 0.8533 0.7124 0.1016
0.45 258.0 -0.1731 0.6443 0.0359
0.55 42.0 -0.0555 0.7852 0.0307
0.55 150.0 -0.3324 0.6825 0.0483
0.55 162.0 0.6053 0.7931 0.0751
0.55 222.0 0.579 0.6209 0.0724
0.55 234.0 -0.8366 0.5048 0.0998
0.55 246.0 -0.411 0.4299 0.0556
0.55 258.0 0.3354 0.4998 0.0485
0.55 270.0 0.0409 0.7931 0.0304
0.65 150.0 -0.6673 0.6125 0.0816
0.65 162.0 0.0247 0.7463 0.0301
0.65 174.0 -1.0436 0.5969 0.1225
0.65 186.0 -0.4705 0.7704 0.0614
0.65 210.0 0.5858 0.766 0.0731
0.65 222.0 0.2885 0.603 0.0445
0.65 234.0 -0.6628 0.4237 0.0812
0.65 246.0 0.7513 0.4878 0.0906
0.65 258.0 0.4324 0.5163 0.0576
0.75 138.0 -1.0372 0.5507 0.1218
0.75 150.0 -0.9064 0.6366 0.1074
0.75 162.0 0.8456 0.6651 0.1008
0.75 174.0 0.3894 0.7514 0.0535
0.75 186.0 0.6611 0.8023 0.081
0.75 234.0 -0.1399 0.4562 0.034
0.75 246.0 0.43 0.4528 0.0574
0.75 258.0 0.222 0.4616 0.0392
0.75 270.0 0.1329 0.6959 0.0336
0.85 222.0 0.7328 0.5846 0.0886
0.85 234.0 -0.5035 0.4701 0.0647
0.85 246.0 0.3634 0.5159 0.0511
0.85 258.0 0.7326 0.4792 0.0886
0.85 270.0 -0.611 0.5078 0.0757
0.95 246.0 1.2879 0.6187 0.1496
0.95 258.0 -0.2205 0.5704 0.0391
Created in SINP MSU, CLAS Collaboration