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Measurement E76M8

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Experiment: E99-107 CLAS experiment, 2005

Spokespersons: V. D. Burkert, R. Minehart

Experiment comment: asymmetry

Measurement comment: Epsilon for this measurement is ε = 0.8776

No publications available for this experiment

Quantity measured: ALU,
Beam asymmetry.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none

Q2 : 2.66 — 3.17 GeV2
W : 1.14 — 1.18 GeV
xb : 0
ε : 0.8776

Select data slice:
cos(θπ) =

Fit φ dependence:

Observable quantity measured (Y axis): ALU,
Plot measurement data

Parameter (X axis): φπ,

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

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

Measured data:

cos(θπ) φπ ALU Data errors
-0.125 22.5 -0.37252 0.08853
-0.125 67.5 0.01173 0.081
-0.125 112.5 -0.13442 0.08036
-0.125 247.5 0.07081 0.08167
-0.125 292.5 -0.20245 0.0763
-0.125 337.5 0.02585 0.08774
0.125 22.5 -0.1956 0.08046
0.125 67.5 -0.01052 0.06433
0.125 112.5 0.012 0.08291
0.125 247.5 0.13295 0.08654
0.125 292.5 0.09393 0.06881
0.125 337.5 0.12217 0.08146
-0.375 67.5 0.20598 0.09634
-0.375 112.5 -0.08871 0.0805
-0.375 247.5 0.10745 0.0725
-0.375 292.5 -0.18907 0.09523
0.375 22.5 0.09308 0.07062
0.375 67.5 -0.14721 0.06273
0.375 112.5 -0.23082 0.0811
0.375 247.5 0.08836 0.08386
0.375 292.5 -0.17617 0.06478
0.375 337.5 -0.15427 0.07455
-0.625 22.5 -0.12725 0.14815
-0.625 67.5 0.07513 0.10863
-0.625 112.5 0.12899 0.12214
-0.625 157.5 -0.16899 0.56898
-0.625 202.5 0.08939 0.47136
-0.625 247.5 0.15467 0.11875
-0.625 292.5 0.09771 0.10658
-0.625 337.5 -0.10402 0.14669
0.625 22.5 -0.0932 0.05901
0.625 67.5 -0.02359 0.05894
0.625 112.5 0.06082 0.06609
0.625 157.5 0.00082 0.08693
0.625 202.5 -0.20584 0.08512
0.625 247.5 -0.04977 0.06266
0.625 292.5 -0.05319 0.05555
0.625 337.5 -0.08865 0.06423
-0.875 22.5 1.42857 0
-0.875 292.5 1.42857 0
0.875 22.5 -0.02904 0.06014
0.875 67.5 -0.00716 0.05783
0.875 112.5 0.01872 0.06052
0.875 157.5 -0.30092 0.07478
0.875 202.5 0.009 0.07365
0.875 247.5 0.00815 0.06311
0.875 292.5 -0.0625 0.06042
0.875 337.5 -0.05144 0.05837