CLAS Physics Database

Measurement E76M26

Experiment: E99-107 CLAS experiment
Year: 2005

Measurement comment:

Epsilon for this measurement is ε = 0.9096

Experiment comment:

asymmetry
Spokespersons: V. D. Burkert, R. Minehart
Reaction: ep → π+n
Polarization: beam
Quantity: ALU
Q2: 1.87 — 2.23 GeV2
W: 1.34 — 1.38 GeV
x: 0.0
ε: 0.9096

Slice: cos(θπ) =

Measurement data
cos(θπ) φπ ALU uncertainty
-0.125 22.5 0.00926 0.03185
-0.125 67.5 0.06477 0.03646
-0.125 112.5 -0.13284 0.03433
-0.125 247.5 0.03141 0.03374
-0.125 292.5 0.05604 0.03545
-0.125 337.5 -0.01407 0.03338
0.125 22.5 0.02293 0.02413
0.125 67.5 0.0415 0.02893
0.125 112.5 -0.03788 0.02962
0.125 157.5 0.04201 0.06621
0.125 202.5 -0.04603 0.06059
0.125 247.5 0.05338 0.02898
0.125 292.5 0.05038 0.02814
0.125 337.5 -0.02718 0.02463
-0.375 22.5 0.01819 0.04357
-0.375 67.5 -0.00642 0.05041
-0.375 112.5 -0.04092 0.05327
-0.375 247.5 0.00723 0.05205
-0.375 292.5 0.10701 0.04776
-0.375 337.5 -0.05184 0.0424
0.375 22.5 0.00033 0.02015
0.375 67.5 0.01524 0.02753
0.375 112.5 0.04456 0.03309
0.375 157.5 0.02011 0.06518
0.375 202.5 0.06078 0.0627
0.375 247.5 0.06946 0.03398
0.375 292.5 -0.01182 0.02584
0.375 337.5 -0.08652 0.02024
-0.625 22.5 0.05212 0.04967
-0.625 67.5 0.03499 0.04381
-0.625 112.5 0.11196 0.05906
-0.625 157.5 0.12798 0.08174
-0.625 202.5 -0.05698 0.08434
-0.625 247.5 0.24726 0.0606
-0.625 292.5 0.01998 0.04406
-0.625 337.5 0.03538 0.05393
0.625 22.5 -0.00916 0.01869
0.625 67.5 0.00304 0.02499
0.625 112.5 -0.06078 0.04068
0.625 157.5 -0.04615 0.04176
0.625 202.5 0.03547 0.03988
0.625 247.5 0.07367 0.03876
0.625 292.5 0.03079 0.0246
0.625 337.5 0.01454 0.0189
-0.875 202.5 1.42857 0.01276
0.875 22.5 0.02006 0.0264
0.875 67.5 -0.00196 0.03441
0.875 112.5 0.08281 0.06036
0.875 157.5 0.00959 0.01795
0.875 202.5 0.04612 0.01743
0.875 247.5 -1e-05 0.06003
0.875 292.5 0.04668 0.03411
0.875 337.5 0.00052 0.02665