CLAS Physics Database

Measurement E40M21

Experiment: EG1
Year: 2000
Spokespersons: P. Stoler, V. Burkert, R. Minehart
Reaction: ep → π0p
Polarization: beam, target (longitudinal)
Quantity: Aet
Q2: 0.452 — 0.77 GeV2
W: 1.3 — 1.4 GeV
Publication:
A. S. Biselli, V. D. Burkert, and CLAS Collaboration First measurement of target and double spin asymmetries for polarized e- polarized p → e p π0 in the nucleon resonance region above the Δ(1232) // PRC 78, 045204 (2008)

Slice: cos(θ) = dimensionless

Measurement data
cos(θ) φ, [deg] Aet uncertainty
-0.9 -168.0 0.434 0.661
-0.7 -168.0 0.409 0.354
-0.5 -168.0 0.736 0.283
-0.3 -168.0 0.391 0.384
-0.1 -168.0 0.08 0.341
0.9 -168.0 -0.048 0.522
-0.9 -144.0 0.578 0.66
-0.7 -144.0 0.568 0.302
-0.5 -144.0 0.402 0.243
-0.3 -144.0 0.111 0.176
-0.1 -144.0 0.008 0.211
0.1 -144.0 -0.085 0.218
0.3 -144.0 -0.15 0.205
0.5 -144.0 -0.577 0.481
0.7 -144.0 -0.432 0.582
0.9 -144.0 0.179 0.435
-0.9 -120.0 0.171 0.393
-0.7 -120.0 0.267 0.186
-0.5 -120.0 -0.086 0.181
-0.3 -120.0 0.033 0.154
-0.1 -120.0 -0.227 0.145
0.1 -120.0 -0.09 0.198
0.3 -120.0 -0.064 0.195
0.5 -120.0 -0.368 0.273
0.7 -120.0 -0.122 0.219
0.9 -120.0 2.15 1.967
-0.9 -96.0 0.18 0.24
-0.7 -96.0 -0.133 0.154
-0.5 -96.0 -0.125 0.122
-0.3 -96.0 0.017 0.129
-0.1 -96.0 -0.103 0.108
0.1 -96.0 -0.338 0.113
0.3 -96.0 -0.102 0.135
0.5 -96.0 0.071 0.175
0.7 -96.0 -0.022 0.208
0.9 -96.0 0.886 0.755
-0.9 -72.0 0.066 0.412
-0.7 -72.0 -0.489 0.169
-0.5 -72.0 -0.245 0.136
-0.3 -72.0 -0.015 0.114
-0.1 -72.0 -0.433 0.108
0.1 -72.0 -0.014 0.111
0.3 -72.0 -0.305 0.133
0.5 -72.0 0.176 0.188
0.7 -72.0 -0.223 0.261
-0.9 -48.0 -0.406 0.387
-0.7 -48.0 -0.47 0.224
-0.5 -48.0 -0.702 0.183
-0.3 -48.0 -0.465 0.129
-0.1 -48.0 -0.568 0.161
0.1 -48.0 -0.243 0.14
0.3 -48.0 -0.305 0.192
0.5 -48.0 -0.231 0.247
0.7 -48.0 0.005 0.229
0.9 -48.0 2.227 2.163
-0.9 -24.0 -0.444 0.355
-0.7 -24.0 -0.457 0.249
-0.5 -24.0 -0.6 0.243
-0.3 -24.0 -0.641 0.174
-0.1 -24.0 -0.611 0.177
0.9 -24.0 0.028 0.261
-0.9 0.0 0.465 1.169
-0.7 0.0 -0.804 0.488
-0.5 0.0 -0.411 0.167
-0.3 0.0 -0.047 0.116
-0.1 0.0 -0.152 0.156
0.9 0.0 1.395 1.03
-0.9 24.0 0.845 1.485
-0.7 24.0 -0.265 0.241
-0.5 24.0 -0.864 0.292
-0.3 24.0 -0.692 0.157
-0.1 24.0 -0.421 0.199
0.9 24.0 -0.108 0.425
-0.9 48.0 -0.083 0.361
-0.7 48.0 -0.177 0.184
-0.5 48.0 -0.254 0.121
-0.3 48.0 -0.463 0.15
-0.1 48.0 -0.566 0.129
0.1 48.0 -0.401 0.139
0.3 48.0 -0.426 0.158
0.5 48.0 -0.141 0.224
0.7 48.0 -0.049 0.245
-0.9 72.0 0.041 0.249
-0.7 72.0 0.074 0.162
-0.5 72.0 -0.085 0.115
-0.3 72.0 -0.229 0.119
-0.1 72.0 -0.219 0.099
0.1 72.0 -0.448 0.119
0.3 72.0 -0.266 0.128
0.5 72.0 -0.054 0.14
0.7 72.0 -0.502 0.213
0.9 72.0 0.629 0.99
-0.9 96.0 0.861 0.546
-0.7 96.0 0.22 0.155
-0.5 96.0 0.007 0.13
-0.3 96.0 -0.352 0.127
-0.1 96.0 -0.191 0.123
0.1 96.0 -0.117 0.115
0.3 96.0 -0.181 0.144
0.5 96.0 -0.282 0.142
0.7 96.0 -0.128 0.213
0.9 96.0 -0.174 0.339
-0.9 120.0 0.031 0.278
-0.7 120.0 0.164 0.207
-0.5 120.0 -0.07 0.208
-0.3 120.0 0.073 0.188
-0.1 120.0 0.083 0.183
0.1 120.0 0.09 0.211
0.3 120.0 -0.375 0.174
0.5 120.0 -0.216 0.218
0.7 120.0 -0.235 0.227
0.9 120.0 0.245 0.464
-0.9 144.0 0.649 0.388
-0.7 144.0 0.314 0.274
-0.5 144.0 0.384 0.188
-0.3 144.0 -0.001 0.204
-0.1 144.0 -0.078 0.235
0.1 144.0 -0.213 0.21
0.3 144.0 -0.402 0.34
0.5 144.0 -0.102 0.284
0.7 144.0 -0.756 0.735
0.9 144.0 -0.245 1.464
-0.9 168.0 -0.462 0.643
-0.7 168.0 2.226 1.762
-0.5 168.0 1.216 0.565
-0.3 168.0 0.042 0.344
-0.1 168.0 -0.107 0.325
0.9 168.0 1.056 1.019