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Measurement E40M11

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Experiment: EG1, 2000

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

Publication:

Quantity measured: Aet, dimensionless
Double spin asymmetry Aet=(dσet/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): Aet, dimensionless
Plot measurement data

Parameter (X axis): φ, degrees

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Measured data:

cos(θ),
dimensionless 		φ,
degrees 		Aet,
dimensionless 		Data errors,
dimensionless 		Systematic errors,
dimensionless
-0.9 -168 0.937 0.227 0.0628
-0.7 -168 0.119 0.135 0.0039
-0.5 -168 -0.164 0.173 0.0081
-0.3 -168 -0.434 0.141 0.0165
-0.1 -168 -0.559 0.122 0.0172
0.1 -168 -0.703 0.138 0.0288
0.3 -168 -0.632 0.107 0.0184
0.5 -168 -0.709 0.125 0.0266
0.7 -168 -0.647 0.128 0.0278
0.9 -168 -0.239 0.127 0.0117
-0.9 -144 0.3 0.166 0.016
-0.7 -144 0.004 0.113 0.0012
-0.5 -144 -0.24 0.103 0.0088
-0.3 -144 -0.416 0.08 0.0121
-0.1 -144 -0.447 0.083 0.0157
0.1 -144 -0.512 0.075 0.015
0.3 -144 -0.49 0.075 0.0148
0.5 -144 -0.341 0.078 0.0109
0.7 -144 -0.395 0.088 0.0155
0.9 -144 0.014 0.084 0.0049
-0.9 -120 0.374 0.126 0.0162
-0.7 -120 -0.168 0.106 0.0084
-0.5 -120 -0.183 0.07 0.0056
-0.3 -120 -0.252 0.059 0.0065
-0.1 -120 -0.311 0.055 0.0069
0.1 -120 -0.28 0.052 0.0062
0.3 -120 -0.367 0.057 0.0092
0.5 -120 -0.294 0.066 0.0084
0.7 -120 -0.061 0.072 0.002
0.9 -120 -0.172 0.106 0.0075
-0.9 -96 0.021 0.096 0.0023
-0.7 -96 -0.198 0.075 0.0055
-0.5 -96 -0.211 0.061 0.0055
-0.3 -96 -0.216 0.054 0.0051
-0.1 -96 -0.314 0.052 0.0067
0.1 -96 -0.32 0.055 0.0076
0.3 -96 -0.232 0.06 0.0057
0.5 -96 -0.27 0.073 0.0087
0.7 -96 -0.1 0.08 0.0033
0.9 -96 0.044 0.139 0.0077
-0.9 -72 -0.193 0.133 0.0111
-0.7 -72 -0.293 0.085 0.0107
-0.5 -72 -0.366 0.066 0.0099
-0.3 -72 -0.32 0.059 0.007
-0.1 -72 -0.346 0.065 0.0079
0.9 -72 0.096 0.1 0.0056
-0.9 -48 -0.241 0.116 0.0109
-0.7 -48 -0.262 0.091 0.009
-0.9 -24 -0.231 0.106 0.0089
-0.7 -24 -0.584 0.174 0.0344
-0.9 0 -0.302 0.138 0.0182
-0.9 24 -0.262 0.119 0.0128
-0.7 24 -0.487 0.119 0.017
-0.9 48 -0.184 0.097 0.0064
-0.7 48 -0.252 0.091 0.011
-0.9 72 -0.147 0.095 0.0054
-0.7 72 -0.275 0.069 0.0083
-0.5 72 -0.28 0.06 0.0079
-0.3 72 -0.133 0.059 0.0036
-0.1 72 -0.256 0.059 0.0053
0.9 72 0.098 0.118 0.0066
-0.9 96 -0.016 0.101 0.0012
-0.7 96 -0.166 0.066 0.0046
-0.5 96 -0.278 0.054 0.0062
-0.3 96 -0.192 0.053 0.0044
-0.1 96 -0.222 0.051 0.005
0.1 96 -0.243 0.052 0.0056
0.3 96 -0.231 0.054 0.0052
0.5 96 -0.137 0.062 0.0036
0.7 96 -0.177 0.079 0.0063
0.9 96 0.292 0.135 0.017
-0.9 120 0.131 0.093 0.0039
-0.7 120 0.05 0.072 0.0019
-0.5 120 -0.161 0.062 0.0047
-0.3 120 -0.224 0.058 0.0059
-0.1 120 -0.202 0.058 0.0061
0.1 120 -0.354 0.055 0.0087
0.3 120 -0.309 0.058 0.0079
0.5 120 -0.272 0.07 0.0095
0.7 120 -0.238 0.079 0.0089
0.9 120 0.07 0.145 0.0065
-0.9 144 0.274 0.135 0.0119
-0.7 144 0.095 0.098 0.0039
-0.5 144 -0.1 0.09 0.004
-0.3 144 -0.441 0.088 0.0167
-0.1 144 -0.321 0.078 0.0109
0.1 144 -0.525 0.081 0.0174
0.3 144 -0.538 0.078 0.0165
0.5 144 -0.433 0.079 0.014
0.7 144 -0.412 0.107 0.0213
0.9 144 -0.02 0.149 0.0044
-0.9 168 0.441 0.191 0.0259
-0.7 168 -0.073 0.139 0.004
-0.5 168 -0.217 0.142 0.0107
-0.3 168 -0.507 0.136 0.0222
-0.1 168 -0.521 0.131 0.0229
0.1 168 -0.821 0.137 0.0347
0.3 168 -0.601 0.12 0.0213
0.5 168 -0.585 0.131 0.0233
0.7 168 -0.484 0.134 0.0203
0.9 168 -0.575 0.177 0.0371