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Measurement E7M7

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Experiment: E89-042 CLAS Experiment, 2003

Spokespersons: V. D. Burkert, R. Minehart

Publication:

Quantity measured: Abπ, φπ), 1/sterad
Asymmetry.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π0p, polarization: none

Q2 : 0.4 GeV2
W : 1.34 GeV
xb : 0.2809

Select data slice:
cos(θπ) = dimensionless

Fit φ dependence:

Observable quantity measured (Y axis): Abπ, φπ), 1/sterad
Plot measurement data

Parameter (X axis): φπ, deg

Click here to get data in text file, delimited with tabs.

Click here to get calculated fit coefficients in text file, delimited with tabs.

Data analysis

Measured data:

cos(θπ),
dimensionless
φπ,
deg
Abπ, φπ),
1/sterad
Data errors,
1/sterad
Systematic errors,
1/sterad
-0.875 22.5 0.0299 0.0425 0
-0.875 67.5 0.049 0.0439 0
-0.875 112.5 0.126 0.0488 0
-0.875 157.5 0.00313 0.0478 0
-0.875 202.5 -0.023 0.0491 0
-0.875 247.5 -0.0948 0.0497 0
-0.875 292.5 -0.107 0.0439 0
-0.875 337.5 -0.0268 0.043 0
-0.625 22.5 -0.0188 0.0304 0
-0.625 67.5 -0.00939 0.0338 0
-0.625 112.5 0.0794 0.0433 0
-0.625 157.5 -0.0049 0.0574 0
-0.625 202.5 -0.0201 0.0607 0
-0.625 247.5 -0.0484 0.0433 0
-0.625 292.5 -0.0423 0.0333 0
-0.625 337.5 -0.0545 0.0297 0
-0.375 22.5 0.04 0.0248 0
-0.375 67.5 -0.00212 0.0284 0
-0.375 112.5 0.000617 0.0278 0
-0.375 157.5 0.0728 0.0593 0
-0.375 202.5 -0.0152 0.0603 0
-0.375 247.5 -0.0378 0.0275 0
-0.375 292.5 -0.0267 0.0284 0
-0.375 337.5 0.0346 0.0248 0
-0.125 22.5 -0.0325 0.0265 0
-0.125 67.5 -0.0481 0.0246 0
-0.125 112.5 0.0187 0.0213 0
-0.125 157.5 -0.0164 0.0416 0
-0.125 202.5 0.0609 0.0404 0
-0.125 247.5 0.0336 0.0214 0
-0.125 292.5 0.0243 0.0248 0
-0.125 337.5 0.00301 0.0261 0
0.125 22.5 -0.0301 0.0257 0
0.125 67.5 -0.0102 0.0232 0
0.125 112.5 -0.0504 0.0199 0
0.125 157.5 -0.0635 0.0401 0
0.125 202.5 -0.0252 0.0406 0
0.125 247.5 0.0312 0.0197 0
0.125 292.5 0.0532 0.0229 0
0.125 337.5 -0.00031 0.0249 0
0.375 22.5 -0.059 0.0203 0
0.375 67.5 -0.00839 0.0239 0
0.375 112.5 -0.0484 0.0213 0
0.375 157.5 -0.0806 0.0465 0
0.375 202.5 0.00274 0.0486 0
0.375 247.5 0.0217 0.0214 0
0.375 292.5 0.0674 0.0238 0
0.375 337.5 0.0401 0.02 0
0.625 22.5 -0.039 0.0223 0
0.625 67.5 -0.11 0.0272 0
0.625 112.5 -0.0304 0.0246 0
0.625 157.5 -0.167 0.0549 0
0.625 202.5 0.0435 0.0545 0
0.625 247.5 0.0572 0.0245 0
0.625 292.5 0.0617 0.027 0
0.625 337.5 0.0158 0.0222 0
0.875 22.5 -0.0594 0.0352 0
0.875 67.5 -0.129 0.0394 0
0.875 112.5 -0.0214 0.0396 0
0.875 157.5 -0.0265 0.0613 0
0.875 202.5 -0.0467 0.0629 0
0.875 247.5 0.0886 0.0403 0
0.875 292.5 0.0968 0.039 0
0.875 337.5 0.0364 0.0349 0