CLAS Physics Database

Measurement E40M23

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: 1.5 — 1.6 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
0.3 -168.0 0.533 0.605
0.5 -168.0 4.404 4.626
0.7 -168.0 1.887 4.986
-0.3 -144.0 2.836 2.909
-0.1 -144.0 0.203 0.433
0.1 -144.0 0.476 0.666
0.3 -144.0 0.692 0.403
0.5 -144.0 0.686 1.212
0.7 -144.0 -0.063 0.308
0.9 -144.0 0.277 3.419
-0.9 -120.0 -0.059 1.384
-0.7 -120.0 1.062 0.724
-0.5 -120.0 0.859 0.65
-0.3 -120.0 0.931 0.424
-0.1 -120.0 0.082 2.814
0.1 -120.0 1.354 0.718
0.3 -120.0 0.432 0.651
0.5 -120.0 1.716 1.04
0.7 -120.0 0.027 0.444
-0.9 -96.0 -2.177 3.197
-0.7 -96.0 1.218 1.361
-0.5 -96.0 -0.201 0.806
-0.3 -96.0 0.514 0.643
-0.1 -96.0 0.154 0.307
0.1 -96.0 0.557 0.376
0.3 -96.0 -0.182 0.283
0.5 -96.0 0.414 0.373
0.7 -96.0 0.933 0.924
-0.9 -72.0 0.689 3.955
-0.7 -72.0 -1.472 2.213
-0.5 -72.0 0.784 0.373
-0.3 -72.0 0.446 0.286
-0.1 -72.0 0.267 0.405
0.1 -72.0 0.636 0.501
0.3 -72.0 0.448 0.463
0.5 -72.0 1.059 0.65
-0.9 -48.0 -1.362 3.361
-0.7 -48.0 0.71 0.427
-0.5 -48.0 -0.3 0.33
-0.3 -48.0 0.11 0.402
-0.1 -48.0 0.484 0.323
0.1 -48.0 0.138 0.337
-0.9 -24.0 -1.317 7.812
-0.7 -24.0 -0.799 0.86
-0.5 -24.0 -0.938 0.644
-0.3 -24.0 -0.123 0.296
-0.1 -24.0 -0.019 0.299
-0.5 0.0 -0.616 1.136
-0.3 0.0 0.441 0.232
-0.1 0.0 0.615 0.193
-0.7 24.0 0.542 0.433
-0.5 24.0 -2.044 1.957
-0.3 24.0 1.098 3.507
-0.1 24.0 -0.048 0.327
-0.9 48.0 1.194 2.388
-0.5 48.0 1.53 0.924
-0.3 48.0 0.346 0.248
-0.1 48.0 0.677 0.43
0.1 48.0 0.427 0.189
-0.9 72.0 -0.098 0.654
-0.7 72.0 0.382 0.42
-0.5 72.0 0.374 0.343
-0.3 72.0 0.282 0.269
-0.1 72.0 0.193 0.247
0.1 72.0 0.279 0.202
0.3 72.0 -0.096 0.761
0.5 72.0 0.848 0.564
-0.9 96.0 -0.248 0.396
-0.7 96.0 0.174 0.498
-0.5 96.0 0.297 0.441
-0.3 96.0 0.563 0.324
0.1 96.0 0.505 0.455
0.3 96.0 -0.557 6.813
0.5 96.0 0.704 0.317
0.9 96.0 -0.183 0.444
-0.9 120.0 0.261 0.663
-0.7 120.0 1.172 0.766
-0.5 120.0 0.385 0.446
-0.3 120.0 0.46 0.28
-0.1 120.0 0.591 0.495
0.1 120.0 -0.595 5.438
0.3 120.0 0.387 0.413
0.5 120.0 0.616 0.308
0.7 120.0 -0.153 0.69
-0.3 144.0 -0.95 9.358
-0.1 144.0 0.444 0.333
0.1 144.0 0.212 0.469
0.3 144.0 0.547 0.423
0.5 144.0 1.101 1.081
0.7 144.0 0.977 3.115
0.9 144.0 2.757 6.886
0.3 168.0 0.318 0.545
0.5 168.0 1.869 1.722
0.7 168.0 -0.696 8.914