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Measurement E40M12

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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 : 1.25 — 1.3 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
-0.9 -168 0.379 0.399 0.0525
-0.7 -168 0.31 0.475 0.0502
-0.5 -168 -0.355 0.251 0.0298
-0.3 -168 -0.546 0.233 0.0335
-0.1 -168 -0.931 0.307 0.0687
0.1 -168 -0.363 0.17 0.0137
0.3 -168 -0.659 0.228 0.0281
0.5 -168 -0.375 0.228 0.0162
0.7 -168 -0.367 0.189 0.0183
0.9 -168 -0.517 0.245 0.0489
-0.9 -144 0.538 0.336 0.0659
-0.7 -144 -0.145 0.165 0.0102
-0.5 -144 -0.069 0.144 0.0066
-0.3 -144 -0.205 0.112 0.0109
-0.1 -144 -0.341 0.1 0.0143
0.1 -144 -0.38 0.125 0.0195
0.3 -144 -0.617 0.16 0.0325
0.5 -144 -0.518 0.161 0.0265
0.9 -144 -0.405 0.223 0.041
-0.9 -120 0.168 0.222 0.014
-0.7 -120 -0.105 0.755 0.0311
-0.5 -120 -0.149 0.084 0.0066
-0.3 -120 -0.226 0.086 0.0104
-0.1 -120 -0.337 0.085 0.0138
0.1 -120 -0.187 0.083 0.0072
0.3 -120 -0.3 0.101 0.0121
0.5 -120 -0.185 0.102 0.0093
0.7 -120 -0.065 0.139 0.0092
0.9 -120 -0.146 0.185 0.0157
-0.9 -96 -0.117 0.272 0.0203
-0.7 -96 -0.032 0.106 0.0031
-0.5 -96 -0.278 0.09 0.0139
-0.3 -96 -0.274 0.073 0.0099
-0.1 -96 -0.185 0.07 0.0063
0.1 -96 -0.327 0.081 0.0133
0.3 -96 -0.15 0.075 0.0051
0.5 -96 -0.175 0.092 0.0068
0.7 -96 -0.271 0.14 0.0157
0.9 -96 1.149 0.668 0.277
-0.9 -72 -0.424 0.183 0.035
-0.7 -72 -0.462 0.118 0.0244
-0.5 -72 -0.066 0.098 0.0086
-0.3 -72 -0.162 0.078 0.0066
-0.1 -72 -0.302 0.08 0.0112
0.1 -72 -0.333 0.098 0.0138
0.9 -72 0.205 0.187 0.0204
-0.9 -48 -0.117 0.134 0.009
-0.7 -48 -0.511 0.12 0.0249
-0.5 -48 -0.454 0.13 0.026
-0.9 -24 -0.371 0.142 0.0217
-0.7 -24 -0.773 0.207 0.072
-0.9 0 -0.249 0.214 0.0245
-0.7 0 -0.647 0.206 0.0606
-0.9 24 -0.526 0.208 0.0496
-0.7 24 -0.179 0.124 0.0103
-0.9 48 0.011 0.156 0.0072
-0.7 48 -0.258 0.109 0.0144
-0.5 48 -0.153 0.083 0.0056
-0.9 72 0.028 0.153 0.0041
-0.7 72 -0.268 0.11 0.0159
-0.5 72 -0.177 0.072 0.0061
-0.3 72 -0.22 0.07 0.0072
-0.1 72 -0.325 0.072 0.01
0.1 72 -0.186 0.076 0.0056
0.9 72 -0.304 0.261 0.0484
-0.9 96 0.344 0.171 0.0313
-0.7 96 -0.085 0.089 0.0053
-0.5 96 -0.187 0.095 0.0109
-0.3 96 -0.193 0.071 0.0068
-0.1 96 -0.274 0.085 0.0117
0.1 96 -0.316 0.071 0.0101
0.3 96 -0.165 0.073 0.0054
0.5 96 -0.141 0.087 0.0063
0.7 96 -0.387 0.134 0.0248
0.9 96 0.101 0.17 0.0114
-0.9 120 0.417 0.225 0.0496
-0.7 120 0.32 0.148 0.027
-0.5 120 -0.11 0.092 0.0058
-0.3 120 -0.15 0.107 0.0091
-0.1 120 -0.204 0.101 0.0107
0.1 120 -0.347 0.098 0.0142
0.3 120 -0.2 0.11 0.01
0.5 120 -0.341 0.118 0.0185
0.7 120 -0.136 0.136 0.0118
0.9 120 -0.061 0.217 0.0138
-0.9 144 0.361 0.22 0.0274
-0.7 144 -0.007 0.201 0.0049
-0.5 144 -0.225 1.814 0.0636
-0.3 144 -0.253 0.13 0.0159
-0.1 144 -0.259 0.156 0.018
0.1 144 -0.55 0.161 0.0312
0.3 144 -0.604 0.172 0.0339
0.5 144 -0.654 0.203 0.0449
0.7 144 -0.607 0.253 0.0675
0.9 144 -0.083 0.248 0.0146
-0.9 168 0.413 0.481 0.0778
-0.7 168 0.514 0.331 0.0632
-0.5 168 -0.352 0.311 0.0524
-0.3 168 -0.353 0.196 0.0267
-0.1 168 -0.414 0.315 0.0507
0.1 168 -0.729 0.249 0.0463
0.3 168 -0.623 0.386 0.0578
0.5 168 -1.332 0.288 0.0689
0.7 168 -0.33 0.303 0.0184
0.9 168 -0.606 0.308 0.0621