CLAS Physics Database

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Measurement E76M31

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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 = 0.9049

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 : 1.87 — 2.23 GeV2
W : 1.38 — 1.42 GeV
xb : 0
ε : 0.9049

Select data slice:
cos(θπ) =

Fit φ dependence:

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

Parameter (X axis): φπ,

Click here to view sliced data.

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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 -0.03265 0.02732
-0.125 67.5 -0.07854 0.02799
-0.125 112.5 -0.07038 0.02555
-0.125 157.5 0.01073 0.09374
-0.125 202.5 0.0204 0.09059
-0.125 247.5 0.03652 0.02521
-0.125 292.5 0.04588 0.02653
-0.125 337.5 0.03294 0.02671
0.125 22.5 -0.05743 0.02191
0.125 67.5 -0.02891 0.02443
0.125 112.5 -0.01302 0.0222
0.125 157.5 -0.00889 0.04192
0.125 202.5 0.02325 0.04269
0.125 247.5 0.06956 0.02261
0.125 292.5 0.04712 0.0229
0.125 337.5 0.04205 0.02214
-0.375 22.5 -0.0915 0.03229
-0.375 67.5 -0.08435 0.03438
-0.375 112.5 -0.02687 0.03516
-0.375 157.5 0.12167 0.08724
-0.375 202.5 0.01552 0.09408
-0.375 247.5 0.05165 0.03482
-0.375 292.5 -0.00223 0.033
-0.375 337.5 -0.05617 0.03415
0.375 22.5 -0.06239 0.01809
0.375 67.5 -0.02826 0.0226
0.375 112.5 -0.09855 0.02463
0.375 157.5 0.04049 0.04397
0.375 202.5 0.02644 0.04798
0.375 247.5 0.02312 0.02513
0.375 292.5 0.01056 0.02185
0.375 337.5 0.01958 0.01801
-0.625 22.5 -0.11089 0.04981
-0.625 67.5 -0.01577 0.04342
-0.625 112.5 0.12398 0.06073
-0.625 157.5 -0.08104 0.07083
-0.625 202.5 -0.09892 0.08012
-0.625 247.5 0.0021 0.05557
-0.625 292.5 0.08327 0.04424
-0.625 337.5 0.14648 0.05332
0.625 22.5 0.03432 0.01629
0.625 67.5 -0.03736 0.02109
0.625 112.5 -0.06418 0.0275
0.625 157.5 0.08403 0.02774
0.625 202.5 0.02828 0.02618
0.625 247.5 0.02111 0.0274
0.625 292.5 0.03246 0.02045
0.625 337.5 0.01825 0.01668
-0.875 22.5 0.24962 0.1409
-0.875 67.5 -0.23153 0.09583
-0.875 112.5 -0.2454 0.13365
-0.875 157.5 -0.20227 0.24568
-0.875 202.5 0.00123 0.26764
-0.875 247.5 -0.11956 0.13509
-0.875 292.5 0.07903 0.10747
-0.875 337.5 0.12739 0.13468
0.875 22.5 -0.02487 0.01671
0.875 67.5 -0.0442 0.01775
0.875 112.5 -0.00547 0.02003
0.875 157.5 0.0376 0.01927
0.875 202.5 0.03222 0.01837
0.875 247.5 -0.00147 0.01895
0.875 292.5 0.04889 0.01775
0.875 337.5 -0.03491 0.0166