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Measurement E40M34

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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 : 1.2 — 1.25 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
-0.9 -168 -0.229 0.136 0.0172
-0.7 -168 -0.154 0.095 0.0077
-0.5 -168 -0.252 0.121 0.0149
-0.3 -168 -0.206 0.095 0.0117
-0.1 -168 -0.177 0.082 0.0101
0.1 -168 -0.027 0.09 0.0071
0.3 -168 -0.189 0.071 0.0082
0.5 -168 -0.178 0.079 0.008
0.7 -168 -0.031 0.082 0.0033
0.9 -168 -0.054 0.089 0.0044
-0.9 -144 -0.114 0.115 0.0106
-0.7 -144 -0.09 0.08 0.0089
-0.5 -144 -0.284 0.072 0.0146
-0.3 -144 -0.307 0.054 0.0145
-0.1 -144 -0.342 0.056 0.0164
0.1 -144 -0.261 0.05 0.0129
0.3 -144 -0.248 0.05 0.0119
0.5 -144 -0.263 0.053 0.0118
0.7 -144 -0.157 0.06 0.0091
0.9 -144 -0.076 0.059 0.0094
-0.9 -120 -0.16 0.086 0.0096
-0.7 -120 -0.213 0.074 0.0117
-0.5 -120 -0.18 0.048 0.0084
-0.3 -120 -0.228 0.04 0.0091
-0.1 -120 -0.231 0.037 0.0087
0.1 -120 -0.203 0.036 0.0081
0.3 -120 -0.177 0.039 0.0077
0.5 -120 -0.17 0.045 0.0078
0.7 -120 -0.254 0.05 0.0105
0.9 -120 -0.025 0.075 0.0122
-0.9 -96 0.085 0.07 0.0049
-0.7 -96 -0.073 0.053 0.0036
-0.5 -96 -0.063 0.043 0.0038
-0.3 -96 -0.173 0.038 0.0058
-0.1 -96 -0.093 0.036 0.0044
0.1 -96 -0.121 0.038 0.0049
0.3 -96 -0.088 0.042 0.0044
0.5 -96 -0.17 0.051 0.0069
0.7 -96 -0.094 0.056 0.0056
0.9 -96 -0.206 0.098 0.0188
-0.9 -72 0.098 0.097 0.0061
-0.7 -72 -0.014 0.06 0.0013
-0.5 -72 -0.101 0.046 0.0035
-0.3 -72 -0.054 0.041 0.0026
-0.1 -72 -0.056 0.046 0.0028
0.9 -72 -0.149 0.07 0.0159
-0.9 -48 -0.067 0.082 0.0041
-0.7 -48 -0.007 0.064 0.0004
-0.9 -24 0.112 0.077 0.005
-0.7 -24 0.14 0.12 0.0086
-0.9 0 0.115 0.1 0.0083
-0.9 24 -0.016 0.085 0.0006
-0.7 24 -0.003 0.081 0.0008
-0.9 48 -0.017 0.069 0.001
-0.7 48 -0.118 0.064 0.0055
-0.9 72 -0.069 0.067 0.0034
-0.7 72 -0.006 0.048 0.0012
-0.5 72 -0.002 0.042 0.0018
-0.3 72 0.055 0.043 0.0027
-0.1 72 0.026 0.042 0.0025
0.9 72 0.096 0.086 0.0152
-0.9 96 -0.011 0.072 0.0042
-0.7 96 0.095 0.048 0.0041
-0.5 96 0.075 0.039 0.0038
-0.3 96 0.135 0.039 0.005
-0.1 96 0.121 0.037 0.0047
0.1 96 0.112 0.037 0.0045
0.3 96 0.119 0.039 0.0046
0.5 96 0.024 0.044 0.0038
0.7 96 0.154 0.059 0.0072
0.9 96 -0.037 0.093 0.0134
-0.9 120 -0.022 0.066 0.0064
-0.7 120 0.123 0.053 0.0065
-0.5 120 0.117 0.045 0.0068
-0.3 120 0.141 0.043 0.0076
-0.1 120 0.215 0.043 0.0089
0.1 120 0.165 0.04 0.0075
0.3 120 0.159 0.042 0.0073
0.5 120 0.177 0.052 0.0085
0.7 120 0.101 0.057 0.0071
0.9 120 0.089 0.106 0.0129
-0.9 144 0.068 0.097 0.0084
-0.7 144 0.073 0.071 0.0084
-0.5 144 0.29 0.069 0.0151
-0.3 144 0.214 0.064 0.0136
-0.1 144 0.269 0.059 0.0142
0.1 144 0.189 0.058 0.0117
0.3 144 0.268 0.057 0.0121
0.5 144 0.071 0.056 0.0079
0.7 144 0.183 0.077 0.0115
0.9 144 0.022 0.107 0.009
-0.9 168 0.093 0.136 0.008
-0.7 168 0.326 0.11 0.0161
-0.5 168 0.126 0.103 0.0095
-0.3 168 -0.023 0.093 0.0086
-0.1 168 0.042 0.088 0.0085
0.1 168 0.153 0.087 0.0091
0.3 168 0.022 0.082 0.0056
0.5 168 0.085 0.088 0.0055
0.7 168 0.011 0.091 0.0032
0.9 168 0.016 0.118 0.0031