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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
0.25 42.0 0.1365 0.7575
0.25 54.0 0.1065 0.7761
0.35 42.0 1.4119 0.801
0.35 54.0 0.9356 0.6836
0.45 30.0 0.3693 0.7936
0.45 42.0 1.1838 0.7812
0.45 54.0 -1.1162 0.5676
0.45 234.0 0.2019 0.7409
0.45 246.0 0.8533 0.7124
0.45 258.0 -0.1731 0.6443
0.55 42.0 -0.0555 0.7852
0.55 150.0 -0.3324 0.6825
0.55 162.0 0.6053 0.7931
0.55 222.0 0.579 0.6209
0.55 234.0 -0.8366 0.5048
0.55 246.0 -0.411 0.4299
0.55 258.0 0.3354 0.4998
0.55 270.0 0.0409 0.7931
0.65 150.0 -0.6673 0.6125
0.65 162.0 0.0247 0.7463
0.65 174.0 -1.0436 0.5969
0.65 186.0 -0.4705 0.7704
0.65 210.0 0.5858 0.766
0.65 222.0 0.2885 0.603
0.65 234.0 -0.6628 0.4237
0.65 246.0 0.7513 0.4878
0.65 258.0 0.4324 0.5163
0.75 138.0 -1.0372 0.5507
0.75 150.0 -0.9064 0.6366
0.75 162.0 0.8456 0.6651
0.75 174.0 0.3894 0.7514
0.75 186.0 0.6611 0.8023
0.75 234.0 -0.1399 0.4562
0.75 246.0 0.43 0.4528
0.75 258.0 0.222 0.4616
0.75 270.0 0.1329 0.6959
0.85 222.0 0.7328 0.5846
0.85 234.0 -0.5035 0.4701
0.85 246.0 0.3634 0.5159
0.85 258.0 0.7326 0.4792
0.85 270.0 -0.611 0.5078
0.95 246.0 1.2879 0.6187
0.95 258.0 -0.2205 0.5704
Created in SINP MSU, CLAS Collaboration