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Measurement E11M21

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Experiment: EG1, 2000

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

Measurement comment: Only statistical errors are presented

Publication:

Quantity measured: Abt(θπ, φπ), 1/sterad
Double beam-target asymmetry.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π0p, polarization: none

Q2 : 0.54 — 0.77 GeV2
W : 1.5 — 1.6 GeV

Select data slice:
cos(θπ) = dimensionless
Observable quantity measured (Y axis): Abt(θπ, φπ), 1/sterad
Plot measurement data

Parameter (X axis): φπ, deg

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ),
dimensionless 		φπ,
deg 		Abt(θπ, φπ),
1/sterad 		Data errors,
1/sterad 		Systematic errors,
1/sterad
-0.929 -162 -0.262 0.698 0
-0.786 -162 -0.14 0.909 0
-0.643 -162 1.79 2.532 0
-0.5 -162 0.277 0.998 0
-0.357 -162 0 0 0
-0.214 -162 0.356 0.682 0
-0.071 -162 -0.114 2.417 0
0.071 -162 -0.831 0.722 0
0.214 -162 -0.383 0.89 0
0.357 -162 -0.183 2.327 0
0.5 -162 -3.19 23.476 0
0.643 -162 2.739 4.608 0
0.786 -162 -1.823 23.363 0
0.929 -162 0.332 2.795 0
-0.929 -126 0.689 1.436 0
-0.786 -126 -1.004 1.017 0
-0.643 -126 -1.959 2.536 0
-0.5 -126 -0.255 0.963 0
-0.357 -126 0.77 0.659 0
-0.214 -126 6.47 34.677 0
-0.071 -126 1.508 1.067 0
0.071 -126 1.142 0.676 0
0.214 -126 2.049 1.979 0
0.357 -126 0.343 1.766 0
0.5 -126 0.662 0.804 0
0.643 -126 0.028 0.416 0
0.786 -126 -0.211 0.73 0
0.929 -126 5.658 40.896 0
-0.929 -90 0.167 1.999 0
-0.786 -90 0.366 2.047 0
-0.643 -90 0.385 1.212 0
-0.5 -90 0.745 8.102 0
-0.357 -90 -0.566 1.084 0
-0.214 -90 -2.626 15.617 0
-0.071 -90 2.13 2.517 0
0.071 -90 -0.689 3.09 0
0.214 -90 1.131 0.969 0
0.357 -90 1.239 1.019 0
0.5 -90 1.114 0.883 0
0.643 -90 -0.09 0.357 0
0.786 -90 -0.353 1.823 0
0.929 -90 -0.394 1.045 0
-0.929 90 -2.445 6.503 0
-0.786 90 7.82 338.981 0
-0.643 90 1.681 2.964 0
-0.5 90 -7.86 38.784 0
-0.357 90 1.902 2.123 0
-0.214 90 -0.278 0.486 0
-0.071 90 0.644 0.471 0
0.071 90 0.128 0.672 0
0.214 90 0.677 1.162 0
0.357 90 1.607 1.537 0
0.5 90 -0.248 0.353 0
0.643 90 9.489 41.747 0
0.786 90 5.482 14.783 0
0.929 90 2.08 2.437 0
-0.929 126 -5.977 77.084 0
-0.786 126 2.065 2.529 0
-0.643 126 0.91 1.174 0
-0.5 126 -0.219 0.744 0
-0.357 126 2.523 1.844 0
-0.214 126 1.769 2.164 0
-0.071 126 1.416 1.284 0
0.071 126 0.255 0.784 0
0.214 126 1.815 1.685 0
0.357 126 0.452 1.156 0
0.5 126 0.444 0.553 0
0.643 126 -0.331 0.639 0
0.786 126 -0.897 0.611 0
0.929 126 0.126 0.461 0
-0.929 162 -2.359 9.344 0
-0.786 162 -4.043 10.94 0
-0.643 162 -1.974 2.792 0
-0.5 162 6.86 29.924 0
-0.357 162 0.372 1.021 0
-0.214 162 -1.756 2.066 0
-0.071 162 -0.176 0.793 0
0.071 162 0.406 0.664 0
0.214 162 0.678 0.918 0
0.357 162 5.869 19.515 0
0.5 162 -2.301 16.062 0
0.643 162 3.804 24.767 0
0.786 162 1.08 1.616 0
0.929 162 3.505 10.161 0
0 0 0 0 0
22 0 0 0 0
0 0 0 0 0
0.223 0.379 0 0 0
0 0 0 0 0
1.1 1.15 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
2 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
-0.929 -162 -0.1 0.316 0
-0.786 -162 -0.078 0.333 0
-0.643 -162 -0.083 0.153 0
-0.5 -162 -0.017 0.111 0
-0.357 -162 0.143 0.126 0
-0.214 -162 -0.092 0.117 0
-0.071 -162 -0.197 0.191 0
0.071 -162 0.074 0.158 0
0.214 -162 0.102 0.26 0
0.357 -162 -0.038 0.132 0
0.5 -162 0.32 0.154 0
0.643 -162 -0.169 0.213 0
0.786 -162 0.001 0.139 0
0.929 -162 0.111 0.123 0
-0.929 -126 0.149 0.447 0
-0.786 -126 0.119 0.219 0
-0.643 -126 -0.27 0.135 0
-0.5 -126 0.178 0.143 0
-0.357 -126 -0.034 0.13 0
-0.214 -126 0.032 0.098 0
-0.071 -126 -0.009 0.118 0
0.071 -126 -0.07 0.092 0
0.214 -126 -0.091 0.13 0
0.357 -126 0.116 0.118 0
0.5 -126 -0.081 0.131 0
0.643 -126 0.018 0.136 0
0.786 -126 0.221 0.263 0
0.929 -126 0.1 0.133 0
-0.929 -90 -0.266 0.231 0
-0.786 -90 0.308 0.242 0
-0.643 -90 0.277 0.306 0
-0.5 -90 0.05 0.217 0
-0.357 -90 0.001 0.324 0
-0.214 -90 -0.044 0.125 0
-0.071 -90 0.092 0.177 0
0.071 -90 0.158 0.167 0
0.214 -90 0.054 0.177 0
0.357 -90 0.248 0.164 0
0.5 -90 0.11 0.207 0
0.643 -90 -0.051 0.229 0
0.786 -90 0.063 0.128 0
0.929 -90 -0.001 0.133 0
-0.929 90 -0.895 2.278 0
-0.786 90 0.253 0.194 0
-0.643 90 -0.203 0.221 0
-0.5 90 0.064 0.21 0
-0.357 90 0.147 0.2 0
-0.214 90 0.259 0.174 0
-0.071 90 -0.398 0.172 0
0.071 90 -0.124 0.192 0
0.214 90 -0.105 0.15 0
0.357 90 -0.032 0.25 0
0.5 90 -0.259 0.637 0
0.643 90 0.34 0.214 0
0.786 90 -0.049 0.175 0
0.929 90 -0.025 0.164 0
-0.929 126 -0.075 0.241 0
-0.786 126 0.154 0.379 0
-0.643 126 0.214 0.114 0
-0.5 126 0.01 0.154 0
-0.357 126 0.08 0.124 0
-0.214 126 0.06 0.146 0
-0.071 126 0.103 0.146 0
0.071 126 0.079 0.156 0
0.214 126 -0.119 0.141 0
0.357 126 0.02 0.114 0
0.5 126 -0.051 0.098 0
0.643 126 0.18 0.225 0
0.786 126 -0.186 0.138 0
0.929 126 -0.308 0.201 0
-0.929 162 -0.278 0.271 0
-0.786 162 0.361 0.233 0
-0.643 162 -0.144 0.169 0
-0.5 162 -0.049 0.152 0
-0.357 162 -0.111 0.137 0
-0.214 162 0.095 0.136 0
-0.071 162 0.029 0.14 0
0.071 162 -0.065 0.121 0
0.214 162 -0.093 0.155 0
0.357 162 0.109 0.148 0
0.5 162 0.45 0.21 0
0.643 162 0.092 0.127 0
0.786 162 0.158 0.262 0
0.929 162 -0.105 0.23 0