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Measurement E40M26

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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 : 1.2 — 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 -0.117 0.18 0.0099
-0.7 -168 -0.003 0.153 0.0062
-0.5 -168 -0.156 0.12 0.0113
-0.3 -168 -0.436 0.14 0.0214
-0.1 -168 -0.291 0.111 0.0216
0.1 -168 -0.176 0.075 0.0104
0.3 -168 -0.075 0.072 0.0069
0.5 -168 -0.259 0.078 0.0123
0.7 -168 -0.204 0.082 0.0081
0.9 -168 0.126 0.125 0.0089
-0.9 -144 -0.026 0.117 0.0064
-0.7 -144 -0.141 0.066 0.0104
-0.5 -144 -0.206 0.048 0.0126
-0.3 -144 -0.273 0.05 0.0162
-0.1 -144 -0.294 0.044 0.0151
0.1 -144 -0.266 0.049 0.0145
0.3 -144 -0.153 0.057 0.0108
0.5 -144 -0.194 0.068 0.0113
0.7 -144 -0.237 0.089 0.0154
0.9 -144 -0.078 0.163 0.0126
-0.9 -120 -0.032 0.075 0.005
-0.7 -120 -0.058 0.048 0.0057
-0.5 -120 -0.189 0.038 0.0087
-0.3 -120 -0.23 0.033 0.0092
-0.1 -120 -0.226 0.034 0.0096
0.1 -120 -0.236 0.034 0.0093
0.3 -120 -0.223 0.045 0.0093
0.5 -120 -0.266 0.064 0.0121
0.7 -120 -0.128 0.088 0.0102
0.9 -120 -0.126 0.121 0.0148
-0.9 -96 -0.015 0.083 0.0034
-0.7 -96 -0.092 0.04 0.0041
-0.5 -96 -0.14 0.035 0.0055
-0.3 -96 -0.145 0.034 0.0057
-0.1 -96 -0.154 0.035 0.0062
0.1 -96 -0.114 0.036 0.0053
0.3 -96 -0.124 0.038 0.0056
0.5 -96 -0.106 0.044 0.0054
0.7 -96 -0.101 0.068 0.0068
0.9 -96 -0.179 0.104 0.0194
-0.9 -72 -0.059 0.071 0.0036
-0.7 -72 -0.044 0.044 0.0021
-0.5 -72 -0.033 0.041 0.0023
-0.9 -48 0.069 0.073 0.0026
-0.9 -24 -0.217 0.12 0.011
-0.9 0 -0.027 0.097 0.0017
-0.9 24 0.038 0.074 0.0026
-0.9 48 -0.143 0.058 0.0062
-0.9 72 -0.072 0.063 0.0037
-0.7 72 0.016 0.039 0.0014
-0.5 72 -0.017 0.035 0.0021
-0.9 96 -0.091 0.058 0.0047
-0.7 96 -0.044 0.04 0.0034
-0.5 96 0.107 0.036 0.0047
-0.3 96 0.113 0.033 0.005
-0.1 96 0.114 0.035 0.0052
0.1 96 0.059 0.034 0.0043
0.3 96 0.075 0.033 0.0045
0.5 96 0.12 0.04 0.0058
0.7 96 0.136 0.046 0.0075
0.9 96 0.085 0.103 0.0155
-0.9 120 0.044 0.061 0.0053
-0.7 120 0.053 0.047 0.0054
-0.5 120 0.105 0.043 0.0071
-0.3 120 0.112 0.039 0.0075
-0.1 120 0.152 0.038 0.0084
0.1 120 0.149 0.039 0.0082
0.3 120 0.07 0.039 0.0066
0.5 120 0.18 0.048 0.0093
0.7 120 0.048 0.063 0.0069
0.9 120 -0.05 0.147 0.0135
-0.9 144 0.174 0.075 0.0109
-0.7 144 0.048 0.059 0.0082
-0.5 144 0.138 0.053 0.0115
-0.3 144 0.244 0.053 0.0148
-0.1 144 0.193 0.054 0.014
0.1 144 0.164 0.052 0.0122
0.3 144 0.098 0.055 0.0099
0.5 144 0.216 0.075 0.0157
0.7 144 -0.075 0.062 0.0085
0.9 144 0.046 0.186 0.0104
-0.9 168 -0.051 0.149 0.0062
-0.7 168 0.012 0.107 0.0058
-0.5 168 0.001 0.089 0.0087
-0.3 168 0.045 0.097 0.0097
-0.1 168 0.213 0.106 0.0127
0.1 168 0.097 0.088 0.0082
0.3 168 0.021 0.083 0.0065
0.5 168 0.007 0.095 0.0047
0.7 168 -0.358 0.252 0.0224
0.9 168 -0.089 0.13 0.0062