CLAS Physics Database

Measurement E40M1

Experiment: EG1
Year: 2000
Spokespersons: P. Stoler, V. Burkert, R. Minehart
Reaction: ep → π0p
Polarization: beam, target (longitudinal)
Quantity: Aet
Q2: 0.187 — 0.317 GeV2
W: 1.1 — 1.15 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 0.353 0.34
-0.7 -168.0 0.145 0.328
-0.5 -168.0 -0.547 0.264
-0.3 -168.0 0.046 0.31
-0.1 -168.0 -0.352 0.305
0.1 -168.0 -0.959 0.428
0.3 -168.0 -0.784 0.53
0.5 -168.0 -0.26 0.265
0.7 -168.0 0.32 0.222
0.9 -168.0 -0.336 0.31
-0.9 -144.0 0.276 0.312
-0.7 -144.0 0.019 0.285
-0.5 -144.0 -0.361 0.201
-0.3 -144.0 0.18 0.247
-0.1 -144.0 -0.368 0.202
0.1 -144.0 -0.334 0.182
0.3 -144.0 -0.059 0.237
0.5 -144.0 -0.404 0.268
0.7 -144.0 -0.338 0.453
0.9 -144.0 -0.412 0.292
-0.9 -120.0 -0.57 0.625
-0.7 -120.0 -0.134 0.18
-0.5 -120.0 -0.132 0.191
-0.3 -120.0 -0.349 0.181
-0.1 -120.0 -0.14 0.178
0.1 -120.0 -0.438 0.195
0.3 -120.0 0.159 0.258
0.5 -120.0 -0.061 0.213
0.7 -120.0 -0.405 0.361
0.9 -120.0 -0.617 0.443
-0.9 -96.0 -0.103 0.447
-0.7 -96.0 0.227 0.284
-0.5 -96.0 -0.171 0.243
-0.9 96.0 -2.671 3.928
-0.7 96.0 -0.153 0.292
-0.5 96.0 -0.014 0.267
-0.9 120.0 0.281 0.56
-0.7 120.0 -0.012 0.249
-0.5 120.0 -0.022 0.203
-0.3 120.0 0.241 0.277
-0.1 120.0 -0.501 0.319
0.1 120.0 -0.417 0.32
0.3 120.0 0.128 0.212
0.5 120.0 -0.52 0.301
0.7 120.0 -0.234 0.355
0.9 120.0 0.575 2.41
-0.9 144.0 -0.047 0.29
-0.7 144.0 -0.037 0.284
-0.5 144.0 -0.336 0.206
-0.3 144.0 -0.141 0.269
-0.1 144.0 0.338 0.232
0.1 144.0 -0.189 0.232
0.3 144.0 -0.267 0.246
0.5 144.0 -0.073 0.251
0.7 144.0 -0.102 0.175
0.9 144.0 -0.005 0.461
-0.9 168.0 -0.283 1.037
-0.7 168.0 0.276 0.479
-0.5 168.0 -0.289 0.264
-0.3 168.0 0.051 0.265
-0.1 168.0 -0.051 0.38
0.1 168.0 -0.371 0.341
0.3 168.0 -0.278 0.249
0.5 168.0 -0.626 0.56
0.7 168.0 -1.023 0.513
0.9 168.0 1.26 1.405