CLAS Physics Database

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Measurement E76M34

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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 = 0.7955

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 : 3.17 — 3.79 GeV2
W : 1.38 — 1.42 GeV
xb : 0
ε : 0.7955

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 -0.02718 0.0398
-0.125 67.5 -0.029 0.04443
-0.125 112.5 -0.05303 0.04806
-0.125 157.5 0.00344 0.10594
-0.125 202.5 -0.005 0.10137
-0.125 247.5 0.02729 0.04735
-0.125 292.5 0.0957 0.04714
-0.125 337.5 0.02145 0.03998
0.125 22.5 -0.02104 0.03567
0.125 67.5 -0.00424 0.04466
0.125 112.5 -0.00448 0.04475
0.125 157.5 -0.03143 0.09233
0.125 202.5 0.00809 0.0879
0.125 247.5 0.0048 0.04779
0.125 292.5 0.01309 0.04405
0.125 337.5 0.03504 0.03606
-0.375 22.5 -0.06269 0.05481
-0.375 67.5 -0.10906 0.05506
-0.375 112.5 -0.12959 0.05606
-0.375 157.5 -0.00235 0.18767
-0.375 202.5 -0.0031 0.27134
-0.375 247.5 0.01449 0.05874
-0.375 292.5 0.00688 0.05357
-0.375 337.5 0.00428 0.05404
0.375 22.5 0.00288 0.03372
0.375 67.5 -0.09505 0.04762
0.375 112.5 -0.02566 0.0523
0.375 157.5 -0.0024 0.10027
0.375 202.5 0.00607 0.09871
0.375 247.5 0.16631 0.05483
0.375 292.5 0.02024 0.04572
0.375 337.5 -0.04728 0.0339
-0.625 22.5 0.04751 0.07247
-0.625 67.5 0.04662 0.07896
-0.625 112.5 -0.11682 0.08248
-0.625 157.5 -0.20617 0.13322
-0.625 202.5 0.54478 0.12046
-0.625 247.5 0.09058 0.088
-0.625 292.5 -0.01194 0.07622
-0.625 337.5 -0.02218 0.07848
0.625 22.5 0.01346 0.03767
0.625 67.5 -0.02262 0.04462
0.625 112.5 -0.08346 0.05493
0.625 157.5 0.05271 0.05129
0.625 202.5 0.00981 0.05198
0.625 247.5 0.07773 0.05345
0.625 292.5 0.0512 0.04298
0.625 337.5 0.1079 0.03697
-0.875 22.5 -0.2215 0.20851
-0.875 67.5 0.40989 0.16637
-0.875 112.5 -0.64831 0.24784
-0.875 157.5 0.1932 0.34533
-0.875 202.5 0.19218 0.34496
-0.875 247.5 -0.37293 0.20421
-0.875 292.5 -0.04145 0.15996
-0.875 337.5 -0.14172 0.17015
0.875 22.5 -0.08467 0.03502
0.875 67.5 -0.09534 0.03689
0.875 112.5 -0.02315 0.04072
0.875 157.5 0.00338 0.03922
0.875 202.5 -0.00329 0.03692
0.875 247.5 0.12017 0.03964
0.875 292.5 0.01834 0.03716
0.875 337.5 -0.06208 0.03403