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Measurement E40M16

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Experiment: EG1, 2000

Spokespersons: P. Stoler, V. Burkert, R. Minehart

Publication:

Quantity measured: Aet, dimensionless
Double spin asymmetry Aet=(dσet/dΩ*)/(dσ0/dΩ*).
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π0p, polarization: none

Q2 : 0.317 — 0.452 GeV2
W : 1.6 — 1.7 GeV

Select data slice:
cos(θ) = dimensionless
Observable quantity measured (Y axis): Aet, dimensionless
Plot measurement data

Parameter (X axis): φ, degrees

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Measured data:

cos(θ),
dimensionless 		φ,
degrees 		Aet,
dimensionless 		Data errors,
dimensionless 		Systematic errors,
dimensionless
-0.3 -168 0.667 0.67 0.0482
-0.1 -168 0.504 0.342 0.0165
0.1 -168 0.172 0.589 0.0304
0.3 -168 0.207 1.154 0.0358
0.5 -168 0.453 0.516 0.0346
-0.5 -144 -0.709 0.726 0.0547
-0.3 -144 0.706 1.492 0.2066
-0.1 -144 -0.185 0.381 0.0103
0.1 -144 0.704 0.565 0.046
0.3 -144 0.93 1.432 0.1344
0.7 -144 0.99 1.569 0.2567
-0.7 -120 0.073 0.791 0.0453
-0.5 -120 0.147 0.334 0.0142
-0.3 -120 0.023 1.342 0.053
-0.1 -120 -0.192 0.312 0.0326
0.1 -120 -0.573 1.572 0.0992
0.3 -120 0.401 0.426 0.0278
0.5 -120 0.292 0.406 0.0158
0.7 -120 -0.127 0.607 0.0266
-0.9 -96 0.3 0.499 0.0281
-0.7 -96 -1.387 0.812 0.1084
-0.5 -96 0.031 0.37 0.0075
-0.3 -96 -0.114 0.523 0.0098
-0.1 -96 -0.437 0.352 0.0278
0.1 -96 0.008 0.42 0.023
0.3 -96 0.315 0.244 0.0194
0.5 -96 1.378 0.761 0.2167
-0.9 -72 -0.241 0.525 0.0534
-0.7 -72 -0.331 0.438 0.0286
-0.5 -72 0.271 0.596 0.0331
-0.3 -72 -0.799 0.285 0.0398
-0.1 -72 -0.234 0.289 0.0157
0.1 -72 0.022 0.361 0.0083
0.3 -72 4.124 5.146 2.2397
-0.9 -48 -0.473 1.49 0.0671
-0.7 -48 -0.052 0.328 0.0197
-0.5 -48 -0.664 0.436 0.0469
-0.3 -48 -0.305 0.28 0.0197
-0.1 -48 -0.65 0.319 0.0418
0.1 -48 -0.72 0.691 0.1032
-0.9 -24 -0.178 0.386 0.0324
-0.7 -24 -0.528 0.346 0.0549
-0.5 -24 0.245 1.102 0.0324
-0.3 -24 -0.633 0.31 0.0469
-0.1 -24 -0.369 0.346 0.0252
-0.9 0 -0.068 0.659 0.0396
-0.7 0 -1.081 0.617 0.0962
-0.5 0 -0.779 0.39 0.0582
-0.3 0 -0.354 0.247 0.022
-0.1 0 0.379 0.145 0.0205
-0.9 24 0.647 0.791 0.0763
-0.7 24 -2.386 4.374 1.6217
-0.5 24 0.146 0.394 0.0341
-0.3 24 -0.104 3.929 0.1353
-0.1 24 0.268 0.251 0.0168
-0.7 48 0.021 0.267 0.008
-0.5 48 -0.579 0.444 0.0506
-0.3 48 -0.413 0.274 0.0204
-0.1 48 -0.613 0.201 0.0278
0.1 48 -0.192 0.313 0.0121
-0.9 72 1.056 1.012 0.1866
-0.7 72 -0.836 0.412 0.0591
-0.5 72 -0.211 0.296 0.0112
-0.3 72 -0.145 0.327 0.0223
-0.1 72 -0.471 0.239 0.0275
0.1 72 -0.461 0.223 0.0209
0.3 72 0.627 0.814 0.1087
-0.9 96 0.671 0.622 0.0352
-0.7 96 -0.306 0.466 0.04
-0.5 96 -0.814 0.445 0.0471
-0.3 96 -0.421 0.352 0.0304
-0.1 96 -0.08 0.308 0.0086
0.1 96 0.239 0.294 0.0138
0.3 96 0.267 0.64 0.0513
0.5 96 1.73 0.951 0.2866
-0.7 120 -0.353 0.597 0.0221
-0.5 120 -0.013 0.337 0.0106
-0.3 120 0.304 0.375 0.0292
-0.1 120 0.136 0.298 0.0084
0.1 120 0.317 0.223 0.0153
0.3 120 0.256 0.314 0.025
0.5 120 0.977 0.459 0.0981
0.7 120 -1.19 8.616 0.2844
-0.5 144 0.273 0.579 0.0224
-0.3 144 0.15 0.446 0.0167
-0.1 144 0.139 0.409 0.0245
0.1 144 0.649 0.357 0.0271
0.3 144 0.15 2.237 0.1071
0.5 144 1.276 1.028 0.2686
0.7 144 0.244 0.308 0.0176
-0.3 168 0.247 0.416 0.0189
-0.1 168 -0.283 0.536 0.0677
0.1 168 0.587 0.324 0.0317
0.3 168 -0.866 7.05 0.2486
0.5 168 0.317 0.405 0.029
0.7 168 1.131 0.677 0.227