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Measurement E40M38

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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 : 0.317 — 0.452 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
-0.1 -168 -0.07 0.303 0.0184
0.5 -168 -0.006 0.583 0.0309
0.7 -168 -2.501 3.595 2.3275
-0.7 -144 0.135 0.406 0.0187
-0.5 -144 0.367 0.202 0.04
-0.3 -144 0.147 0.236 0.0188
-0.1 -144 -0.127 0.177 0.0166
0.1 -144 0.596 0.274 0.0533
0.3 -144 1.2 0.75 0.1639
0.5 -144 0.802 0.396 0.0756
-0.9 -120 -0.058 0.261 0.032
-0.7 -120 0.147 0.28 0.0067
-0.5 -120 0.212 0.167 0.0321
-0.3 -120 0.219 0.173 0.0362
-0.1 -120 0.284 0.13 0.0334
0.1 -120 0.195 0.183 0.0393
0.3 -120 0.709 0.416 0.0775
0.5 -120 0.027 0.209 0.0476
0.7 -120 0.43 0.289 0.0505
-0.9 -96 0.118 0.204 0.0368
-0.7 -96 0.265 0.186 0.0418
-0.5 -96 0.217 1.318 0.0772
-0.3 -96 0.271 0.171 0.0428
-0.1 -96 0.168 0.156 0.0482
0.1 -96 0.124 0.114 0.0321
0.3 -96 0.043 0.142 0.0422
0.5 -96 0.134 0.216 0.0421
0.7 -96 -0.232 0.579 0.2105
0.9 -96 -0.22 0.395 0.058
-0.9 -72 -0.004 0.232 0.0507
-0.7 -72 0.017 0.154 0.0613
-0.5 -72 0.206 0.23 0.065
-0.3 -72 0.259 0.168 0.0582
-0.1 -72 -0.059 0.125 0.0479
0.1 -72 -0.211 0.119 0.037
0.3 -72 -0.063 0.13 0.0301
-0.9 -48 -0.818 0.434 0.1146
-0.7 -48 -0.26 0.176 0.0771
-0.5 -48 -0.384 0.147 0.0747
-0.3 -48 0.204 0.148 0.0673
-0.1 -48 0.057 0.091 0.0501
0.1 -48 -0.132 0.142 0.0453
-0.9 -24 -0.351 0.336 0.0448
-0.7 -24 -0.679 3.598 0.1358
-0.5 -24 0.055 0.168 0.0556
-0.3 -24 -0.228 0.126 0.0458
-0.1 -24 0.064 0.146 0.0357
-0.9 0 0.127 0.572 0.0373
-0.7 0 1.357 2.195 1.1771
-0.5 0 0.314 0.224 0.0292
-0.3 0 0.085 0.157 0.0092
-0.1 0 0.052 0.109 0.0068
-0.9 24 -0.376 0.645 0.1108
-0.7 24 -0.454 0.434 0.098
-0.5 24 0.314 0.306 0.0676
-0.3 24 -0.077 0.148 0.0451
-0.1 24 -0.115 0.121 0.0419
-0.9 48 0.011 0.396 0.0519
-0.7 48 0.007 0.167 0.0827
-0.5 48 0.157 0.153 0.0791
-0.3 48 -0.021 0.125 0.0675
-0.1 48 0.085 0.108 0.055
0.1 48 0.014 0.127 0.0439
-0.9 72 -0.25 0.212 0.0563
-0.7 72 0.257 0.705 0.0853
-0.5 72 0.009 0.174 0.066
-0.3 72 -0.1 0.121 0.0548
-0.1 72 0.191 0.107 0.0527
0.1 72 0.023 0.093 0.0408
0.3 72 -0.203 0.119 0.033
-0.9 96 -0.142 0.282 0.0425
-0.7 96 -0.335 0.148 0.0383
-0.5 96 -0.481 0.241 0.0529
-0.3 96 -0.659 0.134 0.0411
-0.1 96 -0.281 0.112 0.0347
0.1 96 -0.232 0.117 0.0352
0.3 96 -0.6 0.379 0.0488
0.5 96 -0.194 0.132 0.0343
0.7 96 -0.116 0.345 0.043
-0.9 120 -0.463 0.305 0.0585
-0.7 120 -0.424 0.258 0.0297
-0.5 120 -0.896 0.206 0.0563
-0.3 120 -0.341 0.117 0.0252
-0.1 120 -0.462 0.109 0.0389
0.1 120 -0.238 0.142 0.0388
0.3 120 -0.313 0.12 0.0394
0.5 120 -0.811 0.552 0.0923
0.7 120 0.084 0.545 0.102
-0.7 144 -1.286 1.091 0.1194
-0.5 144 -0.582 1.716 0.0611
-0.3 144 -0.478 0.159 0.0394
-0.1 144 -0.589 0.156 0.0364
0.1 144 -0.295 0.157 0.0451
0.3 144 -0.753 0.179 0.0502
0.5 144 -0.091 0.252 0.0439
0.7 144 -0.612 0.34 0.0714
-0.1 168 -0.15 0.284 0.0165
0.1 168 -0.125 0.199 0.031
0.3 168 -0.192 0.154 0.0206
0.5 168 -0.284 0.261 0.0571
0.7 168 0.081 0.496 0.0634