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Measurement E40M30

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Experiment: EG1, 2000

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

Publication:

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

Q2 : 0.187 — 0.317 GeV2
W : 1.5 — 1.6 GeV

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

Parameter (X axis): φ, degrees

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Measured data:

cos(θ),
dimensionless 		φ,
degrees 		At,
dimensionless 		Data errors,
dimensionless 		Systematic errors,
dimensionless
-0.3 -168 -0.482 0.376 0.0203
-0.1 -168 0.079 1.133 0.0559
0.1 -168 -0.78 0.801 0.159
0.3 -168 -0.078 1.07 0.1153
0.5 -168 0.583 0.782 0.1913
0.7 -168 -1.521 1.999 0.3195
-0.7 -144 -0.06 0.475 0.0324
-0.5 -144 0.343 0.172 0.0256
-0.3 -144 0.535 0.194 0.0378
-0.1 -144 0.673 0.193 0.0428
0.1 -144 0.171 0.144 0.0312
0.3 -144 -0.139 0.35 0.046
0.5 -144 0.43 0.34 0.0777
0.7 -144 0.408 2.078 0.1779
-0.9 -120 0.211 0.294 0.0181
-0.7 -120 1.2 0.446 0.1002
-0.5 -120 0.263 0.155 0.0234
-0.3 -120 0.434 0.111 0.029
-0.1 -120 0.229 0.091 0.0274
0.1 -120 0.411 0.107 0.0361
0.5 -120 0.025 0.237 0.0478
0.7 -120 0.103 0.359 0.056
-0.9 -96 0.738 0.268 0.0944
-0.7 -96 0.437 0.193 0.0472
-0.5 -96 -0.112 0.219 0.0301
-0.3 -96 0.198 0.154 0.0425
-0.1 -96 0.174 0.118 0.0315
0.1 -96 0.371 0.268 0.052
0.3 -96 0.066 0.112 0.0338
0.5 -96 0.303 0.23 0.0501
-0.9 -72 0.125 0.264 0.061
-0.7 -72 -0.186 0.124 0.0675
-0.5 -72 0.017 0.133 0.0654
-0.3 -72 0.156 0.101 0.0505
-0.1 -72 0.002 0.115 0.0446
0.1 -72 -0.077 0.111 0.0367
-0.9 -48 -0.222 0.398 0.0806
-0.7 -48 -0.011 0.152 0.0912
-0.5 -48 0.05 0.113 0.0764
-0.3 -48 -0.199 0.103 0.0678
-0.1 -48 -0.068 0.101 0.053
-0.9 -24 0.177 0.511 0.0475
-0.7 -24 -0.557 0.214 0.0632
-0.5 -24 -0.054 0.156 0.0548
-0.3 -24 -0.364 0.123 0.0516
-0.9 0 1.058 1.273 0.402
-0.7 0 -0.447 0.199 0.0355
-0.5 0 -0.091 0.264 0.0154
-0.3 0 -0.004 0.161 0.0076
-0.9 24 -0.096 0.294 0.053
-0.7 24 -0.157 0.2 0.0598
-0.5 24 -0.085 0.15 0.0556
-0.3 24 0.078 0.124 0.0463
-0.9 48 -0.222 0.424 0.1195
-0.7 48 -0.22 0.235 0.087
-0.5 48 0.166 0.111 0.0745
-0.3 48 0.109 0.082 0.0669
-0.1 48 0.213 0.111 0.0563
-0.9 72 -0.289 0.236 0.072
-0.7 72 -0.152 0.124 0.0632
-0.5 72 -0.106 0.127 0.0599
-0.3 72 -0.021 0.091 0.0537
-0.1 72 -0.05 0.123 0.0411
0.1 72 -0.047 0.097 0.0335
-0.9 96 -0.324 0.207 0.0573
-0.7 96 -1.505 7.927 1.6884
-0.5 96 -0.237 0.17 0.0347
-0.3 96 -0.212 0.092 0.0319
-0.1 96 -0.239 0.088 0.0336
0.1 96 -0.255 0.089 0.0314
0.3 96 -0.37 0.102 0.0378
0.5 96 -0.1 0.129 0.0327
-0.9 120 -0.789 0.355 0.1321
-0.7 120 -0.903 0.632 0.0648
-0.5 120 -0.472 0.119 0.0252
-0.3 120 -0.458 0.08 0.0278
-0.1 120 -0.477 0.083 0.0309
0.1 120 -0.538 0.081 0.0354
0.3 120 -0.395 0.096 0.0395
0.5 120 -0.258 0.123 0.0383
0.7 120 -0.21 0.154 0.0317
-0.5 144 -0.391 0.151 0.0155
-0.3 144 -1.311 1.066 0.134
-0.1 144 -0.552 0.125 0.0294
0.1 144 -0.345 0.121 0.0347
0.3 144 -0.402 0.174 0.0509
0.5 144 -0.634 0.8 0.2009
0.7 144 -0.44 0.287 0.0859
-0.3 168 -0.055 0.418 0.0291
-0.1 168 -0.179 0.224 0.0166
0.1 168 -0.401 0.177 0.035
0.3 168 0.078 0.199 0.0209
0.5 168 -0.702 2.779 0.1022
0.7 168 0.112 4.555 0.105