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Measurement E40M31

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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 : 1.6 — 1.7 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
-0.5 -168 0.219 0.316 0.0241
-0.3 -168 0.793 3.506 0.1406
-0.1 -168 -0.212 0.67 0.0117
0.1 -168 -0.223 0.313 0.0157
0.3 -168 -0.704 0.669 0.0712
0.5 -168 0.841 2.209 0.1897
0.7 -168 0.366 0.456 0.1007
-0.5 -144 -0.126 0.255 0.0153
-0.3 -144 0.504 0.89 0.1247
-0.1 -144 -0.004 0.307 0.0174
0.1 -144 -0.312 0.37 0.0307
0.3 -144 0.339 0.454 0.0431
0.5 -144 0.054 0.281 0.0226
0.7 -144 0.143 0.304 0.0375
-0.7 -120 0.82 0.488 0.0902
-0.5 -120 0.363 0.193 0.0337
-0.3 -120 0.283 0.218 0.0323
-0.1 -120 0.155 0.146 0.0234
0.1 -120 0.567 0.254 0.0515
0.3 -120 0.031 0.237 0.0059
0.5 -120 0.521 0.335 0.0706
0.7 -120 0.008 0.223 0.0282
-0.9 -96 -2.055 4.178 0.9482
-0.7 -96 -0.527 0.398 0.0429
-0.5 -96 0.131 0.388 0.0196
-0.3 -96 0.443 0.22 0.0328
-0.1 -96 0.471 0.186 0.0367
0.1 -96 0.118 0.147 0.0181
0.3 -96 0.331 0.194 0.027
-0.9 -72 -0.586 0.257 0.0618
-0.7 -72 0.052 0.225 0.0216
-0.5 -72 -0.06 0.232 0.0211
-0.3 -72 0.224 0.239 0.025
-0.1 -72 0.322 0.173 0.0267
0.1 -72 0.226 0.168 0.0186
0.3 -72 0.304 0.295 0.0302
-0.9 -48 -0.019 0.209 0.0257
-0.7 -48 -0.205 0.187 0.0307
-0.5 -48 -0.243 0.171 0.0295
-0.3 -48 0.004 0.197 0.025
-0.1 -48 -0.085 0.151 0.0293
0.1 -48 0.137 0.194 0.0231
-0.9 -24 -0.15 0.313 0.0119
-0.7 -24 -0.151 0.152 0.0198
-0.5 -24 -0.03 0.161 0.0174
-0.3 -24 -0.135 0.146 0.0193
-0.1 -24 -0.134 0.157 0.0241
-0.9 0 0.013 0.388 0.0235
-0.7 0 -0.329 0.268 0.0316
-0.5 0 -0.234 0.269 0.0325
-0.3 0 -0.214 0.315 0.0373
-0.1 0 -0.282 0.171 0.0235
-0.9 24 0.57 0.354 0.0531
-0.7 24 -0.187 0.206 0.0235
-0.5 24 0.5 0.278 0.0531
-0.3 24 -0.001 0.267 0.02
-0.1 24 -0.193 0.2 0.0277
-0.9 48 0.648 0.425 0.088
-0.7 48 0.11 0.128 0.0206
-0.5 48 -0.102 0.144 0.0287
-0.3 48 -0.179 0.169 0.0292
-0.1 48 0.076 0.143 0.0272
0.1 48 0.204 0.208 0.0307
-0.9 72 0.122 0.299 0.0209
-0.7 72 0.377 0.18 0.0311
-0.5 72 -0.479 1.015 0.0805
-0.3 72 -0.286 0.195 0.0268
-0.1 72 0.091 0.145 0.0165
0.1 72 -0.194 0.135 0.0104
0.3 72 -0.332 0.192 0.0192
-0.9 96 0.241 0.262 0.0263
-0.7 96 -0.207 0.171 0.0144
-0.5 96 -0.622 0.25 0.043
-0.1 96 -0.172 0.171 0.0308
0.1 96 -0.249 0.161 0.0231
0.3 96 -0.769 0.365 0.0827
-0.7 120 -0.35 0.176 0.0151
-0.5 120 -0.379 0.117 0.0208
-0.3 120 -0.306 0.151 0.0303
-0.1 120 -0.315 0.125 0.0283
0.3 120 -0.339 0.109 0.0153
0.5 120 -0.34 0.156 0.0367
0.7 120 -0.135 0.337 0.0835
-0.5 144 0.215 0.539 0.0531
-0.3 144 -0.433 0.204 0.0229
-0.1 144 0.192 0.282 0.0523
0.1 144 -0.307 0.133 0.0208
0.3 144 -0.36 0.259 0.0498
0.5 144 -0.747 0.249 0.0845
0.7 144 -0.656 0.818 0.4353
-0.5 168 -0.238 0.204 0.0118
-0.3 168 -0.268 0.437 0.0165
-0.1 168 0.081 0.22 0.0403
0.1 168 -0.287 0.19 0.0239
0.3 168 -0.101 0.139 0.0063
0.5 168 -0.288 0.167 0.0286
0.7 168 -0.504 0.287 0.1191