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Measurement E154M2

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Experiment: eg1-dvcs, 2009

Spokespersons: A. Kim

Measurement comment: Target and double spin asymmetries

Publication:

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π0p, polarization: none

Q2 : 2.83 GeV2
xb : 0.4

Select data slice:
-t = (GeV/c)^2
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ, deg

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Measured data:

-t,
(GeV/c)^2
φ,
deg
AUL Data errors
0.27 25 0.035 0.063
0.27 59 0.161 0.075
0.27 90 0.073 0.094
0.27 118 0.237 0.106
0.27 146 -0.103 0.169
0.27 179 0.065 0.323
0.27 208 -0.269 0.187
0.27 242 -0.142 0.125
0.27 270 -0.123 0.118
0.27 302 -0.114 0.083
0.27 337 -0.097 0.064
0.52 25 0.112 0.043
0.52 58 0.157 0.051
0.52 89 0.089 0.08
0.52 122 0.152 0.065
0.52 147 0.234 0.079
0.52 177 0.067 0.105
0.52 209 -0.271 0.085
0.52 241 -0.101 0.101
0.52 271 -0.165 0.083
0.52 301 -0.171 0.057
0.52 335 -0.042 0.041
0.88 28 0.019 0.051
0.88 57 0.114 0.055
0.88 88 0.515 0.134
0.88 123 0.103 0.075
0.88 147 0.166 0.081
0.88 176 0.168 0.108
0.88 211 -0.156 0.085
0.88 241 0.11 0.143
0.88 270 -0.038 0.09
0.88 302 -0.047 0.064
0.88 333 0.006 0.047
1.24 31 0.178 0.084
1.24 59 0.141 0.089
1.24 88 0.011 0.122
1.24 123 0.198 0.139
1.24 146 0.288 0.126
1.24 178 0.164 0.191
1.24 210 -0.161 0.129
1.24 243 -0.387 0.128
1.24 268 0.031 0.107
1.24 303 -0.057 0.1
1.24 330 0.124 0.074
1.59 29 0.036 0.094
1.59 58 0.123 0.112
1.59 90 0.229 0.11
1.59 122 0.256 0.136
1.59 146 0.311 0.175
1.59 176 0.185 0.211
1.59 213 -0.554 0.194
1.59 243 -0.264 0.112
1.59 268 -0.166 0.093
1.59 303 -0.124 0.125
1.59 331 0.103 0.09